4.7 Review

Insights into current bio-processes and future perspectives of carbon-neutral treatment of industrial organic wastewater: A critical review

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Article Agricultural Engineering

Effects of biochar addition towards the treatment of blackwater in anaerobic dynamic membrane bioreactor (AnDMBR): Comparison among room temperature, mesophilic and thermophilic conditions

Weiliang Pan et al.

Summary: This study investigated the effects of biochar addition on the performance of anaerobic dynamic membrane bioreactor (AnDMBR) for blackwater treatment under different temperatures. The results showed that the addition of biochar increased methane production and reduced membrane fouling. The thermophilic reactor with biochar had the highest methane yield and a significant increase in gene expression related to methane production.

BIORESOURCE TECHNOLOGY (2023)

Article Agricultural Engineering

Resilience of anammox application from sidestream to mainstream: A combined system coupling denitrification, partial nitritation and partial denitrification with anammox

Fumin Zuo et al.

Summary: This review article discusses the key issues and bottlenecks in the implementation of mainstream anaerobic ammonium oxidation (anammox), including startup, stable NO2--N supply, maintenance and dominance of AnAOB with high activity, prevention of NO3--N buildup, reduction of sludge loss, adaptation to seasonal temperature variations, and alleviation of COD impacts on AnAOB. In order to improve the startup, stable operation, and resilience of mainstream anammox, a combined biological nitrogen removal (CBNR) system based on conventional denitrification, shortcut nitrification-denitrification, partial nitritation, and partial denitrification combined with anammox (PANDA) process is proposed to adapt to the variations of seasonal temperature and pollutants in the influent.

BIORESOURCE TECHNOLOGY (2023)

Article Agricultural Engineering

Evaluation of anaerobic membrane bioreactor treating dairy processing wastewater: Elemental flow, bioenergy production and reduction of CO2 emission

Min Ye et al.

Summary: The study evaluated a high-rate anaerobic membrane bioreactor (AnMBR) for treating dairy processing wastewater (DPW). The AnMBR system exhibited superior performance in terms of methanogenic efficiency and bioenergy recovery, with a high net energy potential of 51.4-53.2 kWh/m3. The application of AnMBR led to a significant reduction of 54.1 kg CO2-eq/m3 compared to the conventional process, making it a promising approach for carbon neutrality and a circular economy.

BIORESOURCE TECHNOLOGY (2023)

Review Environmental Sciences

Retrospect and prospect of aerobic biodegradation of aniline: Overcome existing bottlenecks and follow future trends

Yixin Yin et al.

Summary: This review comprehensively discusses the research progress, existing challenges, and future development direction of aerobic biological treatment of aniline wastewater. The challenges include the confusion of aniline metabolic mechanism, the development of co-degradation of multiple pollutants, and the lack of practical experience of bioreactor operation. The prospects include the development of multifunctional bacteria, the reduction of greenhouse gases, and the combination of green technologies.

JOURNAL OF ENVIRONMENTAL MANAGEMENT (2023)

Article Engineering, Environmental

Iron-modified biochar boosts anaerobic digestion of sulfamethoxazole pharmaceutical wastewater: Performance and microbial mechanism

Zhili Ni et al.

Summary: This study added iron-modified biochar to an anaerobic baffled reactor (ABR) to enhance the anaerobic digestion of sulfamethoxazole (SMX) pharmaceutical wastewater. The results showed that extracellular respiratory bacteria (ERB) and hydrogenotrophic methanogen (HM) were developed after the addition of iron-modified biochar, promoting the degradation of butyric, propionic, and acetic acids. The content of volatile fatty acids (VFAs) reduced significantly, leading to improved chemical oxygen demand (COD) and SMX removal efficiency, as well as enhanced methane production. The enrichment of ERB and HM via iron-modified biochar was also found to decrease the antibiotic resistance genes (ARGs) and increase net energy production.

JOURNAL OF HAZARDOUS MATERIALS (2023)

Review Environmental Sciences

In-situ membrane fouling control and performance improvement by adding materials in anaerobic membrane bioreactor: A review

Mohammad Nabi et al.

Summary: Anaerobic membrane bioreactor (AnMBR) is a promising technology for wastewater treatment, but membrane fouling remains a major challenge. This study reviews the use of different materials to control membrane fouling and improve anaerobic digestion in AnMBR. The mechanisms of membrane fouling control, such as changes in extracellular polymeric substances (EPSs) and soluble microbial products (SMPs), material properties, stimulation of antifouling microbes, and alteration in substrate properties, are discussed. Future research should focus on material-mediated AnMBR applications, including microbial product composition changes, quorum quenching replacement, and molecular-based studies on EPSs and SMPs.

SCIENCE OF THE TOTAL ENVIRONMENT (2023)

Article Agricultural Engineering

A feasibility investigation of a pilot-scale bioelectrochemical coupled anaerobic digestion system with centric electrode module for real membrane manufacturing wastewater treatment

Jiawei Xie et al.

Summary: A pilot-scale bioelectrochemical coupled anaerobic digestion (BES-AD) system was constructed and tested for the treatment of membrane manufacturing wastewater. The results showed increased BOD5/COD ratio and significant degradation of pollutants. Spatial enrichment of microorganisms in the electrode modules was observed, with fermenters and degraders mostly enriched at the bottom and electroactive bacteria mostly enriched at the top. The economical construction and operation cost of the BES-AD system further highlights its importance.

BIORESOURCE TECHNOLOGY (2023)

Article Environmental Sciences

Strategies for enhancing the efficacy of anaerobic digestion of food industry wastewater: An insight into bioreactor types, challenges, and future scope

A. Saravanan et al.

Summary: Food waste has become a global concern due to population growth and economic development. The wastewater from food industries contains valuable and toxic components that negatively impact the ecosystem. The review highlights the potential of food industry wastewater as a rich energy source and primary source for valuable product generation. It provides a detailed analysis of the characteristics, composition, and nature of wastewater from various food sectors.

CHEMOSPHERE (2023)

Article Environmental Sciences

Anaerobic membrane bioreactor for carbon-neutral treatment of industrial wastewater containing N, N-dimethylformamide: Evaluation of electricity, bio-energy production and carbon emission

Zhe Kong et al.

Summary: This study theoretically compared the feasibility of using anaerobic membrane bioreactor (AnMBR) and conventional activated sludge (CAS) process for treating DMF-containing wastewater. The results showed that AnMBR had advantages in electricity generation, bio-energy recovery, and CO2 emission reduction, making it a promising carbon-neutral treatment process for high-strength DMF-containing wastewater in the future.

ENVIRONMENTAL RESEARCH (2023)

Review Environmental Sciences

A Review on Performance Improvement of Anaerobic Digestion Using Co-Digestion of Food Waste and Sewage Sludge

Archana Paranjpe et al.

Summary: Anaerobic co-digestion is an important technology for processing organic waste, recovering nutrients, and creating sustainable biofuel. However, the low biogas output and high installation costs limit its viability. This literature review demonstrates that anaerobic co-digestion produces more methane biogas than anaerobic digestion, and adjusting the waste-to-water waste ratio can increase methane production.

JOURNAL OF ENVIRONMENTAL MANAGEMENT (2023)

Article Agricultural Engineering

Cost-effective bio-methanation via oxalic acid coupled sonication pretreatment of Gracilaria salicornia

Rashmi Gondi et al.

Summary: The combination of oxalic acid and ultrasonic pretreatment (SP) techniques over macroalgae Gracilaria salicornia was implemented to generate energy-efficient biomethane. The optimal conditions for ultrasonic pretreatment resulted in a maximum solubilization of 9.19% and oxalic acid dosage of 0.06 N resulted in the highest biomethane production. Compared to SP, OSP was proved to be a more energy-efficient strategy for the production of biomethane.

BIOMASS & BIOENERGY (2023)

Article Environmental Sciences

A comprehensive literature mining and analysis of nitrous oxide emissions from different innovative mainstream anammox-based biological nitrogen removal processes

Shuang Liu et al.

Summary: This study reveals the potential of innovative biological nitrogen removal (BNR) processes such as simultaneous nitritation, anammox and denitrification (SNAD), partial nitritation anammox (PNA), and partial denitrification anammox (PDA) in reducing nitrous oxide (N2O) emissions compared to traditional processes through extensive big data statistical analysis. Machine learning models and correlation analysis further support these findings.

SCIENCE OF THE TOTAL ENVIRONMENT (2023)

Review Agricultural Engineering

Integrating anaerobic digestion with bioelectrochemical system for performance enhancement: A mini review

Wei Wang et al.

Summary: This review discusses the integration of AD with BES to enhance performance, introducing the working principles of BES, summarizing the integrated configurations and applications of AD-BES, analyzing the impact of reactor size and applied voltage on performance, and discussing the challenges and prospects of integrated AD-BES applications in the field.

BIORESOURCE TECHNOLOGY (2022)

Review Agricultural Engineering

A review on anaerobic digestion with focus on the role of biomass co-digestion, modelling and optimisation on biogas production and enhancement

Tawanda Kunatsa et al.

Summary: This paper investigates the current status, recent trends, and future perspectives in modelling and optimization of anaerobic co-digestion. It points out areas that can be focused on and those requiring further research to enhance biogas production. Controlling key process factors such as temperature, pH, and carbon to nitrogen ratio is crucial in improving biogas yield.

BIORESOURCE TECHNOLOGY (2022)

Article Chemistry, Multidisciplinary

Removal of organic pollutants from real pharmaceutical industrial wastewater with environmentally friendly processes

Monika Sabic Runjavec et al.

Summary: The use of activated sludge biological treatment combined with biosorption and biodegradation processes is effective in removing organic pollutants and toxic compounds from pharmaceutical industrial wastewater. The optimal concentration of activated sludge was found to be 4.96 +/- 0.23 g dm(-3), with the morphology of the activated sludge remaining stable throughout the treatment process.

CHEMICAL PAPERS (2022)

Review Green & Sustainable Science & Technology

Review on treatment technologies of coal gasification wastewater in China

Jingxin Shi et al.

Summary: This review examines the wastewater pollution problems in the Chinese coal chemical industry and analyzes the sources and limitations of pollutants through comprehensive investigation. By evaluating different treatment technologies, it identifies core treatment methods suitable for sustainable development and provides technical support for energy conservation and emission reduction.

JOURNAL OF CLEANER PRODUCTION (2022)

Review Environmental Sciences

Inhibition of wastewater pollutants on the anammox process: A review

Dong-Qi Huang et al.

Summary: This review summarizes the recent advances in the inhibition, mechanism, and recovery process of traditional and emerging pollutants on the anammox process over the past decade. The study found that different pollutants have varying effects on the anammox activity.

SCIENCE OF THE TOTAL ENVIRONMENT (2022)

Review Environmental Sciences

Algae biotechnology for industrial wastewater treatment, bioenergy production, and high-value bioproducts

Ashfaq Ahmad et al.

Summary: As the global population continues to grow, the importance of wastewater management and treatment is increasing. Using algae for wastewater treatment and biofuel production is an economically viable approach.

SCIENCE OF THE TOTAL ENVIRONMENT (2022)

Review Environmental Sciences

Anaerobic membrane bioreactors (AnMBRs) for municipal wastewater treatment- potential benefits, constraints, and future perspectives: An updated review

Alia Aslam et al.

Summary: The application of AnMBRs in municipal wastewater treatment is sustainable and beneficial, but challenges such as organic strength, membrane fouling, salinity build-up, inhibitory substances, temperature, and membrane stability need to be addressed for economic and technical viability. Further research is needed to determine the energy utilization and potential in AnMBRs for energy neutrality or positivity, as well as to address concurrent challenges in operation for future perspectives.

SCIENCE OF THE TOTAL ENVIRONMENT (2022)

Article Engineering, Environmental

Feasibility of partial-denitrification/anammox for pharmaceutical wastewater treatment in a hybrid biofilm reactor

Jingwen Zhang et al.

Summary: This study proposed and demonstrated a novel approach integrating partial-denitrification with anaerobic ammonia oxidation for efficient biological nitrogen removal from high-strength pharmaceutical wastewater. The PD/A biofilm showed high tolerance and adaptation to pharmaceutical wastewater, achieving a stable TN removal efficiency. High-throughput sequencing analysis revealed important bacterial communities contributing to high NO2- -N accumulation in the system. Overall, this new method offers a satisfactory efficiency for high-strength pharmaceutical wastewater treatment with low energy consumption and operation cost.

WATER RESEARCH (2022)

Review Engineering, Environmental

Advances in treatment of coking wastewater - a state of art review

M. Tamang et al.

Summary: Coking wastewater, containing refractory substances such as phenolic compounds and polycyclic aromatic hydrocarbons, poses a serious threat to the environment. Recent developments have focused on biological methods and microwave technology for more effective treatment of coking wastewater.

WATER SCIENCE AND TECHNOLOGY (2022)

Article Environmental Sciences

Kinetic Study of the Anaerobic Digestion of Recycled Paper Mill Effluent (RPME) by Using a Novel Modified Anaerobic Hybrid Baffled (MAHB) Reactor

Siti Roshayu Hassan et al.

Summary: This study investigated the process kinetics of anaerobic digestion for treating recycled paper mill effluent. The results showed that hydrolysis was the rate-limiting step. The Monod and Contois kinetic models demonstrated satisfactory prediction capabilities.
Article Agricultural Engineering

Treating the filtrate of mainstream anaerobic membrane bioreactor with the pilot-scale sludge-type one-stage partial nitritation/anammox process operated from 25 to 15 °C

Yan Guo et al.

Summary: This study investigated the nitrogen removal performance of a pilot-scale PNA reactor at a low temperature condition for treating the filtrate from a mainstream AnMBR. It demonstrated the applicability of the PNA process for mainstream AnMBR filtrate treatment to some extent and enriched the related knowledge.

BIORESOURCE TECHNOLOGY (2022)

Article Agricultural Engineering

Sulfate-reducing and methanogenic microbial community responses during anaerobic digestion of tannery effluent

Victoria Alex Kibangou et al.

Summary: Microbial communities in the anaerobic digestion of tannery and associated slaughterhouse effluent were studied in terms of their structure, function, and response to physicochemical variables. The results showed that the composition of methane-producing and sulfide-producing microbial communities changed initially but stabilized after the start of biogas generation. Continuous stirring favored the metabolically versatile genus Methanosarcina and resulted in higher methane production.

BIORESOURCE TECHNOLOGY (2022)

Article Environmental Sciences

The breakdown of protein hydrogen bonding networks facilitates biotransformation of protein wastewaters during anaerobic digestion methanogenesis: Focus on protein structure and conformation

Jibin Li et al.

Summary: This study investigated the characterization of secondary structure alterations of protein molecules under acid-base stress and analyzed the effect of structure and conformation alterations on the methanogenic efficiency of protein wastewater. The results showed that acid and base pretreatment increased methane yields and caused changes in protein structure and conformation.

ENVIRONMENTAL RESEARCH (2022)

Article Environmental Sciences

Pilot-scale demonstration of one-stage partial nitritation/anammox process to treat wastewater from a coal to ethylene glycol (CtEG) plant

Hong Yao et al.

Summary: This study investigated the feasibility of using one-stage partial nitritation/anammox (PN/A) process to treat coal to ethylene glycol (CtEG) wastewater, and achieved a stable nitrogen removal efficiency. The study also successfully predicted the nitrogen removal rate using a kinetic model. Microbial community characterization showed the enrichment of ammonia oxidizing bacteria (AOB) in the flocculent sludge and anammox bacteria (AnAOB) primarily located in the biofilm. Additionally, the presence of free ammonia (FA) and control of residual ammonium were effective in suppressing the growth of nitrite oxidizing bacteria (NOB).

ENVIRONMENTAL RESEARCH (2022)

Review Biotechnology & Applied Microbiology

A comprehensive review on application of bioreactor for industrial wastewater treatment

M. Meena et al.

Summary: Industrial wastewater treatment is crucial for maintaining sustainable environment and public health, with biological treatment methods proving to be cost-effective and efficient in treating industrial wastewater. Various reactors play a key role in industrial wastewater treatment, offering different advantages for different types of wastewater.

LETTERS IN APPLIED MICROBIOLOGY (2022)

Review Environmental Sciences

A review on anaerobic membrane bioreactors for enhanced valorization of urban organic wastes: Achievements, limitations, energy balance and future perspectives

Yisong Hu et al.

Summary: Sustainable urban development is at risk due to an imminent energy crisis and the generation of large amounts of organic waste, among other factors. Conventional waste management methods have limitations in terms of greenhouse gas emissions and resource recovery, making advanced techniques necessary to convert such waste into bioenergy, bio-fertilizers, and valuable-added products. The anaerobic membrane bioreactor (AnMBR) process has shown promise in valorizing urban organic waste, including food waste and waste sludge, by enhancing organic waste treatment and improving digestion efficiency through the retention and separation of functional microbes and suspended solids. However, challenges such as membrane fouling and mass transfer need to be addressed for wider application of AnMBR, particularly for high-solid organic waste digestion.

SCIENCE OF THE TOTAL ENVIRONMENT (2022)

Article Environmental Sciences

A Comprehensive Derivation and Application of Reference Values for Benchmarking the Energy Performance of Activated Sludge Wastewater Treatment

Catarina Silva et al.

Summary: This paper presents the latest developments in energy performance indices (PXs) for wastewater treatment plants (WWTPs). By comparing energy consumption with the requirements for carbon and nitrogen removal, PXs can assess and improve WWTPs performance. The paper also proposes reference values for energy consumption and operating conditions affecting the energy performance.
Review Biotechnology & Applied Microbiology

Microbial electrolysis: a promising approach for treatment and resource recovery from industrial wastewater

Yamini Koul et al.

Summary: Wastewater is a common by-product of industrial processes, requiring a significant amount of energy for treatment. Environmental concerns have led to a demand for alternative energy sources, and the development of technologies to extract energy from unconventional sources. The microbial electrolysis cell (MEC) efficiently converts waste into products without polluting the environment. This paper discusses the existing obstacles and future potential of integrating MEC with other processes.

BIOENGINEERED (2022)

Article Engineering, Environmental

Enhanced degradation of high-concentrated 2,4,6 trichlorophenol-containing wastewater by micron-grade high iron-containing fly ash/loofah sponge biochar: Metagenomic functional succession

Qiaona Xie et al.

Summary: By adding MHIFA/LsBC, the anaerobic treatment of high-concentrated 2,4,6-trichlorophenol wastewater was significantly enhanced, with increased removal rates of COD and 2,4,6-TCP. Additionally, the addition of MHIFA/LsBC led to higher biomass, conductivity, EPS concentration, and coenzyme F-420 concentration. The microbial community analysis revealed that Pseudomonas, induced by MHIFA/LsBC, played a key role in the degradation and transformation of phenolic pollutants, while Azotobacter contributed to hydrogen production.

JOURNAL OF WATER PROCESS ENGINEERING (2022)

Article Green & Sustainable Science & Technology

Carbon-neutral treatment of N, N-dimethylformamide-containing wastewater by up-flow anaerobic sludge blanket: CO2 reduction and bio-energy cleaner production

Zhe Kong et al.

Summary: N,N-dimethylformamide (DMF) is a commonly used organic solvent in chemical industries. In this study, a lab-scale up-flow anaerobic sludge blanket (UASB) reactor was used to treat high-strength DMF-containing industrial wastewater. The results showed that the UASB achieved excellent removal efficiency, reduced CO2 emission, and saved energy consumption. The study also demonstrated the economic potential of the UASB process in treating real DMF-containing wastewater.

JOURNAL OF CLEANER PRODUCTION (2022)

Article Agricultural Engineering

Carbon-neutral treatment of N, N-dimethylformamide-containing industrial wastewater by anaerobic membrane bioreactor (AnMBR): Bio-energy recovery and CO2 emission reduction

Zhe Kong et al.

Summary: In this study, high-strength industrial wastewater containing DMF was treated by an AnMBR system with the aim of carbon neutrality. The results showed that the AnMBR effectively degraded the wastewater while recovering bio-methane as energy and reducing CO2 emissions. It was considered as an alternative to the conventional activated sludge process, with significant energy savings and reduced CO2 emissions.

BIORESOURCE TECHNOLOGY (2022)

Article Agricultural Engineering

Carbohydrate-to-protein ratio regulates hydrolysis and acidogenesis processes during volatile fatty acids production

Leshi Wang et al.

Summary: This study investigated the production of volatile fatty acids (VFAs) and substrate consumption in anaerobic fermentation under different carbohydrate-to-protein (Car/Pro) ratios. The highest VFAs yields were observed at a Car/Pro ratio of 1 for BSA-dextran and amino acids-glucose fermentation. Hydrolysis and acidogenesis were identified as the limiting processes for higher and lower Car/Pro ratios, respectively. Accumulation of amino acids was found to have an inhibitory effect, but VFAs production could be increased by 25.5% through quartic fed-batch strategy. The activity of hydrolytic and acid-forming enzymes was significantly related to the efficiency of acidogenic metabolism.

BIORESOURCE TECHNOLOGY (2022)

Article Environmental Sciences

Designing of pretreatment filter technique for reduction of phenolic constituents from olive-mill wastewater and testing its impact on wheat germination

Sumera Shabir et al.

Summary: This study presents the design and testing of a trickling filter for treating olive mill wastewater (OMW). The filter effectively removes organic compounds and suspended solids, resulting in improved oxidation activity and enhanced germination efficacy.

CHEMOSPHERE (2022)

Article Engineering, Environmental

Removal of ammonia and phenol from saline chemical wastewater by ionizing radiation: Performance, mechanism and toxicity

Shizong Wang et al.

Summary: This study investigated the removal of ammonia and phenol in saline chemical wastewater by radiation technology. Factors such as solution pH, co-existence of ammonia and phenol were found to affect the removal efficiency.

JOURNAL OF HAZARDOUS MATERIALS (2022)

Review Environmental Sciences

A critical review of exogenous additives for improving the anammox process

Qi Zhang et al.

Summary: Anammox is a low-carbon wastewater biological nitrogen removal process that achieves chemoautotrophic nitrogen removal under anaerobic and anoxic conditions. However, the physiological limitations of AnAOB often cause problems in engineering applications. This paper reviews the role of exogenous additives in optimizing Anammox and provides helpful information for its engineering application.

SCIENCE OF THE TOTAL ENVIRONMENT (2022)

Article Chemistry, Analytical

Comparison of Fenton and Ozone Oxidation for Pretreatment of Petrochemical Wastewater: COD Removal and Biodegradability Improvement Mechanism

Siyu Cheng et al.

Summary: The study compared the pretreatment of petrochemical wastewater by Fenton and ozone oxidation, with Fenton oxidation showing higher COD removal efficiency and biodegradability while also having a lower treatment cost compared to ozone oxidation. Fenton oxidation was found to effectively degrade refractory pollutants in the wastewater, highlighting its potential for cost-effective pretreatment of highly concentrated petrochemical wastewater.

SEPARATIONS (2022)

Article Agricultural Engineering

Chemical oxygen demand and nitrogen removal from real membrane-manufacturing wastewater by a pilot-scale internal circulation reactor integrated with partial nitritation-anammox

Yuqin Fan et al.

Summary: This study used a pilot-scale system integrating internal circulation and partial nitritation-anammox to successfully treat high-strength membrane-manufacturing wastewater. The system achieved a high COD removal efficiency and nitrogen removal by degrading nitrogenous organic matters into ammonia nitrogen and promoting nitrite accumulation for anammox reaction. The study demonstrates the effective removal of organic matters and nitrogen from wastewater using a pilot-scale system.

BIORESOURCE TECHNOLOGY (2022)

Review Agricultural Engineering

Microalgal cultivation for the upgraded biogas by removing CO2, coupled with the treatment of slurry from anaerobic digestion: A review

Wenfeng Yang et al.

Summary: This paper reviews the integrated system of purifying anaerobic digestion slurry and upgrading biogas through microalgal cultivation technology. The mechanisms, configurations, and influencing factors of the system are elaborated, and feasibility suggestions are provided.

BIORESOURCE TECHNOLOGY (2022)

Article Agricultural Engineering

Ammonia recovery from anaerobic digestate: State of the art, challenges and prospects

Donghai Yang et al.

Summary: This review highlights the importance of ammonia recovery technologies in reducing nitrogen pollution, conserving energy, and reducing greenhouse gas emissions. The mechanisms, influencing factors, mass transfer processes, and economic analysis of ammonia recovery are critically reviewed.

BIORESOURCE TECHNOLOGY (2022)

Review Agricultural Engineering

Enhancing nitrogen removal through directly integrating anammox into mainstream wastewater treatment: Advantageous, issues and future study

Liang Zhang et al.

Summary: Anaerobic ammonium oxidation (anammox) has great potential for nitrogen removal from mainstream wastewater. However, there are limitations to its direct application. This review summarizes the technical development of partial anammox and the mechanisms of achieving partial mainstream anammox through aeration and organic control.

BIORESOURCE TECHNOLOGY (2022)

Article Agricultural Engineering

Biodegradation time series characteristics and metabolic fate of different aromatic compounds in the biochemical treatment process of coal chemical wastewater

Lu Yang et al.

Summary: Through the study of the biodegradation of aromatic compounds in coal chemical wastewater, it was found that BTEX and NHCs are more easily degraded compared to PAHs and phenols. The storage and dynamic transformation of aromatic compounds in water, EPS, and cells have significant implications for wastewater treatment.

BIORESOURCE TECHNOLOGY (2022)

Review Engineering, Environmental

Novel insights into Anammox-based processes: A critical review

Peng Wu et al.

Summary: This study presents a comprehensive review of the anammox process, the advancements in nitritation and denitratation processes, and proposes a novel wastewater treatment method for efficient nitrogen removal.

CHEMICAL ENGINEERING JOURNAL (2022)

Review Energy & Fuels

Wastewater as a Renewable Energy Source-Utilisation of Microbial Fuel Cell Technology

Renata Toczylowska-Maminska et al.

Summary: Wastewater is an underappreciated source of renewable energy, with a global production exceeding 900 km(3) per year. Traditional wastewater treatment methods consume a large amount of energy, but modern techniques such as microbial fuel cells can convert the chemical energy in wastewater into electricity without external energy input. It has been found that the energy recovery efficiency achieved with microbial fuel cells can save about 20% of the chemical energy in wastewater on a global scale, which can meet up to 15% of global energy demands.

ENERGIES (2022)

Article Chemistry, Physical

Improvement of gaseous bioenergy production from spent coffee grounds Co-digestion with pulp wastewater by physical/chemical pretreatments

Ming-Yan Shen et al.

Summary: This study investigated two steps of hydrolysis and anaerobic biogas production processes. Subcritical water hydrolysis and chemical pre-treatments were found to greatly enhance hydrolysis efficiency. The optimal biomethane yield was achieved through co-digestion of acid hydrolysate with pulp wastewater.

INTERNATIONAL JOURNAL OF HYDROGEN ENERGY (2022)

Review Environmental Sciences

Advancements of sequencing batch reactor for industrial wastewater treatment: Major focus on modifications, critical operational parameters, and future perspectives

Adarsh Singh et al.

Summary: Industrial wastewater treatment is crucial to meet discharge regulations. The sequencing batch reactor (SBR), known for its low cost and high efficiency, is widely used for treating industrial wastewater. This review explores the feasibility of SBR in treating wastewater from various industries and discusses factors affecting its treatment efficacy, as well as innovative modifications and combinations with other advanced technologies.

JOURNAL OF ENVIRONMENTAL MANAGEMENT (2022)

Article Environmental Sciences

Using carbon dioxide-added microalgal-bacterial granular sludge for carbon-neutral municipal wastewater treatment under outdoor conditions: Performance, granule characteristics and environmental sustainability

Penghui Sun et al.

Summary: This paper evaluated the feasibility of CO2-added MBGS process for the treatment of complex organic wastewater under natural day-night cycles. The results showed that the addition of CO2 improved the removal efficiency of pollutants and increased the size of MBGS granules. This study is significant for achieving carbon neutrality in wastewater treatment.

SCIENCE OF THE TOTAL ENVIRONMENT (2022)

Article Engineering, Environmental

Insights into the carbon neutrality for the treatment process engineering of municipal wastewater by anaerobic membrane bioreactor integrated with partial nitritation-anammox: CO2 reduction and energy recovery

Kong Zhe et al.

Summary: The promising sustainability and potential of the Anaerobic Membrane Bioreactor (AnMBR) integrated with Partial Nitritation-Anammox (PN/A) for carbon neutrality were evaluated in a large pilot-scale plant. The system effectively treated low-strength municipal wastewater for 217 days, with excellent COD removal efficiency of over 90%. The majority of the organic matter was converted to bio-methane, which can be used as bio-energy or bio-fuel. The AnMBR-PN/A process showed significant ecological and economical advantages, including energy conservation and recovery, reduction of CO2 emissions, and savings in electricity expenditure for wastewater treatment.

JOURNAL OF WATER PROCESS ENGINEERING (2022)

Article Engineering, Environmental

Sludge granulation in ASBR: Reactor performance, sludge physiochemical properties evolution and the unique clustered structure of the granular sludge

Yin-Ping Hou et al.

Summary: This study successfully cultivated anaerobic granular sludge with superior physicochemical characteristics, demonstrating a unique clustered microbial community structure which contributed to enhanced digestion performance in the ASBR reactor. The large substrate concentration gradient derived from the feast-famine alternation regime was a major factor influencing the microbial distribution structure within the granules.

JOURNAL OF WATER PROCESS ENGINEERING (2022)

Article Multidisciplinary Sciences

Enhancement of anaerobic digestion by co-digesting food waste and water hyacinth in improving treatment of organic waste and bio-methane recovery

William W. Oduor et al.

Summary: In Kenya, 57% of municipal solid waste is food waste, which is difficult to convert to biogas. This study compared the anaerobic digestibility of food waste alone and in co-digestion with water hyacinth. The results showed that co-digestion improved biogas production and organic matter removal efficiency. A mix ratio of 70:30 for water hyacinth to food waste yielded the highest biogas production and removal efficiency.

HELIYON (2022)

Article Agricultural Engineering

Integrative biohydrogen- and biomethane-producing bioprocesses for comprehensive production of biohythane

Hoo Hugo Kim et al.

Summary: This review provides an overview of the feasibility of biohythane production and discusses possible technologies for upgrading it to hydrogen-enriched renewable natural gas. It also highlights the crucial role of meta-omics and metabolic engineering approaches in biohythane production technology.

BIORESOURCE TECHNOLOGY (2022)

Review Environmental Sciences

A detailed review on advanced oxidation process in treatment of wastewater: Mechanism, challenges and future outlook

A. Saravanan et al.

Summary: The presence of contaminants in waterbodies poses significant risks to mankind and wildlife. Developing an effective, feasible, cost-effective, and eco-friendly approach for treating wastewater is crucial for reducing environmental pollution. Advanced oxidation process is an efficient technique that can be used for wastewater treatment, offering advantages such as high oxidation efficacy and minimal production of secondary pollutants. This review focuses on the application of advanced oxidation process, discussing the mechanisms involved and the challenges faced during wastewater treatment using various methods.

CHEMOSPHERE (2022)

Article Chemistry, Physical

Improvement of gaseous bioenergy production from spent coffee grounds Co-digestion with pulp wastewater by physical/chemical pretreatments

Ming-Yan Shen et al.

Summary: This study investigated the hydrolysis and anaerobic biogas production processes. Subcritical water hydrolysis and chemical pretreatments were found to enhance hydrolysis efficiency and bioenergy conversion.

INTERNATIONAL JOURNAL OF HYDROGEN ENERGY (2022)

Review Agriculture, Dairy & Animal Science

Decreasing ruminal methane production through enhancing the sulfate reduction pathway

Yuchao Zhao et al.

Summary: Mitigating methane production from ruminants is crucial for the sustainable development of the ruminant industry. Enhancing the ruminal sulfate reducing pathway can effectively decrease methane emissions.

ANIMAL NUTRITION (2022)

Article Green & Sustainable Science & Technology

Carbon neutrality of wastewater treatment-A systematic concept beyond the plant boundary

Lanqing Li et al.

Summary: This article focuses on the carbon accounting and roadmap to carbon neutrality in the wastewater sector. A sketch describing the boundaries of the wastewater system is provided, highlighting the significance of carbon neutrality beyond the plant boundary. The direct and indirect carbon emissions of wastewater treatment are identified. Technologies and measures for achieving carbon-neutral wastewater treatment within and beyond the plant boundary are summarized. The article also emphasizes the trend towards decentralized sewage treatment systems and the importance of holistic urban infrastructure layout.

ENVIRONMENTAL SCIENCE AND ECOTECHNOLOGY (2022)

Article Environmental Sciences

Enhanced energy recovery via separate hydrogen and methane production from two-stage anaerobic digestion of food waste with nanobubble water supplementation

Tingting Hou et al.

Summary: This study found that supplementation of N-2 and Air-nanobubble water can significantly enhance the efficiency of hydrogen and methane production in the two-stage anaerobic digestion of food waste. Air-NBW has a promoting effect on both hydrogen and methane production stages, while N-2-NBW only has a positive impact on the hydrogen production stage.

SCIENCE OF THE TOTAL ENVIRONMENT (2021)

Article Biotechnology & Applied Microbiology

Trends and progress in AnMBR for domestic wastewater treatment and their impacts on process efficiency and membrane fouling

Fatima Anjum et al.

Summary: Anaerobic membrane bioreactor is an innovative technology for treating domestic wastewater, with fouling mitigation being one of the biggest challenges in achieving positive energy balance. Hybrid processes like G-AnMBR, FO-AnMBR, and MEC-AnMBR are being developed to improve treatment efficiency and fouling mitigation. Techniques such as quorum quenching and sensing, cell entrapment, and membrane module vibrations are applied for fouling mitigation in AnMBRs. This paper reviews the latest trends in anaerobic membrane bioreactors research focusing on water quality, removal efficiencies, and fouling mitigation.

ENVIRONMENTAL TECHNOLOGY & INNOVATION (2021)

Article Agricultural Engineering

Improving sulfonamide antibiotics removal from swine wastewater by supplying a new pomelo peel derived biochar in an anaerobic membrane bioreactor

Dongle Cheng et al.

Summary: The addition of 0.5 g/L biochar significantly increased the removal rate of sulfonamide antibiotics in AnMBR while reducing the concentration of COD. SMs inhibited COD removal and methane production, but the addition of biochar helped reduce membrane fouling.

BIORESOURCE TECHNOLOGY (2021)

Article Agricultural Engineering

Biochar facilitates rapid restoration of methanogenesis by enhancing direct interspecies electron transfer after high organic loading shock

Chen Wang et al.

Summary: The study found that the addition of biochar can effectively resist high organic loading shock, with rapid recovery of biogas production and maintenance of the balance between acidogenesis and methanogenesis in R1. Furthermore, the addition of biochar helped retain the structural stability of granular sludge in R1 under pressure, ensuring the stability of the anaerobic system.

BIORESOURCE TECHNOLOGY (2021)

Article Engineering, Environmental

Evaluation of anaerobic membrane bioreactor (AnMBR) treating confectionery wastewater at long-term operation under different organic loading rates: Performance and membrane fouling

Goekhan Balcioglu et al.

Summary: The study demonstrated that the AnMBR system could operate efficiently at an OLR of 4.4 kg COD m-3 d-1, with negative effects on membrane filtration performance observed at higher OLR levels. Membrane fouling was attributed to cake layer formation consisting of protein and carbohydrate, as analyzed through various spectroscopic and microscopic techniques.

CHEMICAL ENGINEERING JOURNAL (2021)

Review Agricultural Engineering

A review of biochar in anaerobic digestion to improve biogas production: Performances, mechanisms and economic assessments

Weixin Zhao et al.

Summary: This review comprehensively summarizes the applications, performances, and economies of biochar strategies in anaerobic digestion systems, elucidating the improvement effects of biochar application on biogas production and purification, and evaluating the mechanisms for enhancing digestion efficiency through biochar addition.

BIORESOURCE TECHNOLOGY (2021)

Article Agricultural Engineering

Chemical oxygen demand and nitrogen transformation in a large pilot-scale plant with a combined submerged anaerobic membrane bioreactor and one-stage partial nitritation-anammox for treating mainstream wastewater at 25 °C

Chao Rong et al.

Summary: A novel municipal wastewater treatment process was developed by combining SAnMBR with PN/A, achieving energy neutrality and reduced carbon emissions. High removal efficiencies of COD and TN were demonstrated at pilot-scale, showing the potential for treating real municipal wastewater.

BIORESOURCE TECHNOLOGY (2021)

Article Agricultural Engineering

Evaluation of bio-energy recovery from the anaerobic treatment of municipal wastewater by a pilot-scale submerged anaerobic membrane bioreactor (AnMBR) at ambient temperature

Zhe Kong et al.

Summary: The study found that a one-stage pilot scale submerged anaerobic membrane bioreactor (AnMBR) can efficiently treat municipal wastewater at ambient temperature, achieving over 90% COD removal efficiency and demonstrating a high potential for bio-energy recovery.

BIORESOURCE TECHNOLOGY (2021)

Article Environmental Sciences

Acidic pretreatment as a chemical approach for enhanced Photorhabdus temperata bioinsecticide production from industrial wastewater

Wafa Jallouli et al.

Summary: This study investigated the chemical treatment of wastewater used for bioinsecticide production by the bacterium Photorhabdus temperata. The results showed that acidic pretreated wastewater performed the best in supporting P. temperata biopesticide production, with improved biomass production, culturable cell count, and oral toxicity against target pests. Acidic hydrolysis was demonstrated to be the unique promising chemical pretreatment for P. temperata bioinsecticide production.

JOURNAL OF ENVIRONMENTAL MANAGEMENT (2021)

Review Green & Sustainable Science & Technology

Review of micro-aeration hydrolysis acidification for the pretreatment of toxic and refractory organic wastewater

Zhuowei Zhang et al.

Summary: Micro-aeration is an effective method for promoting hydrolysis acidification, accelerating hydrolysis, improving acid production, increasing biodegradability, scavenging hydrogen sulfide, promoting enzyme activity, and enhancing diversity of functional microbes. Implementation factors and control strategies need to be considered, with challenges and future perspectives in large-scale applications.

JOURNAL OF CLEANER PRODUCTION (2021)

Article Environmental Sciences

Two-stage partial nitrification-Anammox process for nitrogen removal from slaughterhouse wastewater: Evaluation of the nitrogen loading rate and microbial community analysis

Natalia Carolina Silveira et al.

Summary: The PN/A process is a viable technology for nitrogen removal from wastewaters with high concentrations of ammonia, but its application in processing slaughterhouse byproducts wastewater has not been assessed. An increase in nitrogen loading rate did not significantly affect the removal efficiency of total nitrogen. Presence of organic matter promoted the growth of heterotrophic denitrifying bacteria while impairing the growth of Anammox bacteria.

JOURNAL OF ENVIRONMENTAL MANAGEMENT (2021)

Article Engineering, Environmental

Carbon- and metal-based mediators modulate anaerobic methanogenesis and phenol removal: Focusing on stimulatory and inhibitory mechanism

Xiaofang Pan et al.

Summary: This study investigated the effects of different types of carbon-based and metal-based mediators on the anaerobic digestion process treating phenolic wastewater. It was found that BiocharB could efficiently remove phenol and enhance methane production, while BiocharA completely inhibited methanogenesis.

JOURNAL OF HAZARDOUS MATERIALS (2021)

Article Agricultural Engineering

Biochar addition supports high digestion performance and low membrane fouling rate in an anaerobic membrane bioreactor under low temperatures

Zhen Lei et al.

Summary: Biochar enhancement in an anaerobic membrane bioreactor (AnMBR) treating sewage at low temperatures can significantly improve COD removal efficiency, methane production rate, mixed liquor properties, membrane operation duration, and alleviate membrane fouling.

BIORESOURCE TECHNOLOGY (2021)

Article Agricultural Engineering

Relieving ammonia nitrogen inhibition in high concentration anaerobic digestion of rural organic household waste by Prussian blue analogue nanoparticles addition

Yang Liu et al.

Summary: The application of Prussian blue analogue nanoparticles proved to be effective in removing ammonia nitrogen inhibition in anaerobic digestion of rural organic household waste. The high adsorption capacity of ammonia nitrogen by Prussian blue analogue nanoparticles led to a significant increase in methane production and a decrease in ammonia nitrogen concentration in anaerobic digestion. These nanoparticles have a promising prospect for use in high concentration anaerobic digestion processes enriched with ammonia nitrogen.

BIORESOURCE TECHNOLOGY (2021)

Article Green & Sustainable Science & Technology

Roles of colloidal particles and soluble biopolymers in long-term performance and fouling behaviors of submerged anaerobic membrane bioreactor treating methanolic wastewater

Xueqin Lu et al.

Summary: The study on a lab-scale AnMBR treating low-strength methanolic wastewater demonstrated good performance and process stability, but membrane fouling due to the production of colloidal particles and soluble biopolymers remains a major challenge.

JOURNAL OF CLEANER PRODUCTION (2021)

Article Environmental Sciences

Technical, economic and environmental feasibility of resource recovery technologies from wastewater

Geetanjali Yadav et al.

Summary: This paper focuses on avenues of resource recovery from WWTPs, evaluating the potential for nutrients, water, and energy recovery from different types of wastewaters and sewage sludge. It discusses a variety of available and advanced technologies for resource recovery and considers the feasibility of these technologies from a sustainable standpoint, covering technical, economic, and environmental aspects.

SCIENCE OF THE TOTAL ENVIRONMENT (2021)

Article Environmental Sciences

Assessing the occurrence of pharmaceuticals and antibiotic resistance genes during the anaerobic treatment of slaughterhouse wastewater at different temperatures

S. Zahedi et al.

Summary: This study investigated the anaerobic treatment of slaughterhouse wastewater at psychrophilic, mesophilic, and thermophilic temperatures. The highest methane yield was obtained at mesophilic temperature (35 degrees C) and the highest relative abundance of antibiotic resistance genes was found at thermophilic temperature (53 degrees C). Pharmaceuticals removal efficiency varied at different treatment temperatures, with high removal rates observed for certain antibiotics at thermophilic temperature.

SCIENCE OF THE TOTAL ENVIRONMENT (2021)

Review Engineering, Environmental

Impacts of organics on the microbial ecology of wastewater anammox processes: Recent advances and meta-analysis

Rui Xiao et al.

Summary: Organics management is crucial for the efficient and stable performance of anammox or integrated processes like denitratation-anammox. This systematic review synthesizes the state-of-the-art knowledge on the multifaceted impacts of organics on wastewater anammox community structure and function, providing insights for the design and operation of more efficient anammox-based wastewater nitrogen removal processes.

WATER RESEARCH (2021)

Article Engineering, Environmental

A successful start-up of an anaerobic membrane bioreactor (AnMBR) coupled mainstream partial nitritation-anammox (PN/A) system: A pilot-scale study on in-situ NOB elimination, AnAOB growth kinetics, and mainstream treatment performance

Jiang Wu et al.

Summary: The study proposes an innovative treatment process that combines AnMBR with a PN/A system for carbon-neutral municipal wastewater treatment. Through a 255-day start-up process, it was demonstrated that the AnMBR-PN/A process effectively eliminates NOB while retaining AOB community in suspended sludge. The mainstream treatment results showed that the TN removal performance meets discharge limits and the AnMBR-PN/A process has potential for carbon-neutral wastewater treatment plants.

WATER RESEARCH (2021)

Article Green & Sustainable Science & Technology

Potential of wood ash in purification of biogas

Elshaday Mulu et al.

Summary: The study investigated the potential of wood ash for purifying biogas and found that raw wood ash through carbonation process is a good candidate for purifying biogas in household digesters. It was also observed that the uptake by activated wood through dry adsorption was comparable to that of raw wood ash through carbonation process.

ENERGY FOR SUSTAINABLE DEVELOPMENT (2021)

Article Biotechnology & Applied Microbiology

In-situ toxicity assessment of pulp and paper industry wastewater on Trigonella foenum-graecum L: Potential source of cytotoxicity and chromosomal damage

Pooja Sharma et al.

Summary: This study conducted a comprehensive evaluation of the toxicity of pulp and paper industry wastewater on Trigonella foenum-graecum L., revealing the presence of various harmful substances in the wastewater that caused abnormalities in plant cells and genetics, leading to inhibited plant growth. Therefore, proper treatment of pulp and paper industry wastewater is urgently needed.

ENVIRONMENTAL TECHNOLOGY & INNOVATION (2021)

Review Microbiology

Advances in Studies on Microbiota Involved in Nitrogen Removal Processes and Their Applications in Wastewater Treatment

Wenning Mai et al.

Summary: Excessive discharge of nitrogenous pollutants can lead to ecological problems, and biological treatment is an effective way to remove nitrogen pollution. Various efficient methods for nitrogen removal exist, with microorganisms playing key roles in these processes, although information about them is limited.

FRONTIERS IN MICROBIOLOGY (2021)

Article Acoustics

The influence of combined low-strength ultrasonics and micro-aerobic pretreatment process on methane generation and sludge digestion: Lipase enzyme, microbial activation, and energy yield

Reza Barati Rashvanlou et al.

Summary: The study found that the combined low-frequency ultrasonic and micro-aerobic pretreatment can increase solubilization, microbial activity, and lipase enzymatic activity compared to individual pretreatment, resulting in enhanced biogas production during anaerobic digestion.

ULTRASONICS SONOCHEMISTRY (2021)

Article Chemistry, Multidisciplinary

Complementary Substrates-Brewery Wastewater and Piggery Effluent-Assessment and Microbial Community Profiling in a Hybrid Anaerobic Reactor

Ana Eusebio et al.

Summary: The study successfully utilized the complementary effluents concept by using brewery wastewater to digest piggery effluent, resulting in a higher yield and quality of biogas. The hybrid anaerobic reactor showed positive responses to operational changes, with structural changes in microbial communities observed at different hydraulic retention times.

APPLIED SCIENCES-BASEL (2021)

Review Agriculture, Dairy & Animal Science

Methane Emissions from Ruminants in Australia: Mitigation Potential and Applicability of Mitigation Strategies

John L. Black et al.

Summary: Methane is a potent greenhouse gas with significant contributions from ruminant animals like cattle and sheep. Reduction in enteric methane emissions from these animals is crucial for ecosystem preservation. Various strategies, including feed supplements and manipulation of rumen microbial population, have shown potential for reducing methane emissions.

ANIMALS (2021)

Review Engineering, Environmental

Insights into the mechanism, performance and electrode modification of BES -AD combined systems for refractory wastewater treatment: A review

Jiawei Xie et al.

Summary: The conventional anaerobic digestion of refractory wastewater has limitations, but coupling it with bioelectrochemical systems can enhance degradation. This review discusses the mechanisms and evaluates the performance of such systems in different scenarios.

JOURNAL OF WATER PROCESS ENGINEERING (2021)

Review Agricultural Engineering

Anammox bacteria in treating ammonium rich wastewater: Recent perspective and appraisal

Chanusha Weralupitiya et al.

Summary: The discovery of the anammox process has provided an eco-friendly and low-cost means of treating ammonia-rich wastewater efficiently. However, limitations in practical applications include short doubling time and sensitivity towards nutrients and environmental alterations such as salinity and temperature. Further studies are needed to overcome these limitations and broaden the application of the anammox process.

BIORESOURCE TECHNOLOGY (2021)

Review Agricultural Engineering

Anaerobic co-digestion: Current status and perspectives

Renisha Karki et al.

Summary: Co-digestion technology offers enhanced digestibility, improved process stability, and higher nutrient value compared to mono-digestion. A critical comparison of mono-digestion and co-digestion reveals the latter's greater flexibility and sustainability in handling diverse feedstocks.

BIORESOURCE TECHNOLOGY (2021)

Review Engineering, Environmental

Biochar in water and wastewater treatment-a sustainability assessment

Mohammadreza Kamali et al.

Summary: Innovation of sustainable materials is a current trend in the scientific community, with biochar being widely studied for water treatment. Assessing developed technologies for commercialization and identifying technical gaps are urgent tasks. This review aims to evaluate current trends in sustainable materials and technologies, emphasizing recent reviews and highly cited papers, while discussing existing gaps and recommendations for future studies.

CHEMICAL ENGINEERING JOURNAL (2021)

Article Environmental Sciences

Widening the applicability of AnMBR for urban wastewater treatment through PDMS membranes for dissolved methane capture: Effect of temperature and hydrodynamics

Pau Sanchis-Perucho et al.

Summary: AnMBR technology shows promise for urban wastewater treatment, but the loss of dissolved methane poses environmental challenges. This study explores the use of temperature and hydrodynamics to improve methane capture efficiency in AnMBR effluents. Improving recovery efficiency can enhance energy production and environmental sustainability of the technology.

JOURNAL OF ENVIRONMENTAL MANAGEMENT (2021)

Article Environmental Sciences

Structure and indicators of electric energy consumption in dairy wastewater treatment plant

Radoslaw Zylka et al.

Summary: The aim of the research was to determine the electricity consumption indicators at different stages of dairy sewage treatment process. It was found that biological treatment was responsible for over half of the total energy consumption in the WWTP. The real-time electricity metering system enabled optimization of electricity consumption and maintenance of treatment efficiency.

SCIENCE OF THE TOTAL ENVIRONMENT (2021)

Article Engineering, Environmental

Excellent performance of anaerobic membrane bioreactor in treatment of distillery wastewater at pilot scale

Laure Deschamps et al.

Summary: A highly efficient AnMBR was designed to treat distillery wastewater, which had a shorter start-up period, higher COD removal efficiency, higher methane production, and longer cleaning cycle compared to anaerobic packed-bed bioreactor, showing potential for industrialization. Performance of the membrane was also studied to minimize fouling without affecting anaerobic digestion.

JOURNAL OF WATER PROCESS ENGINEERING (2021)

Article Engineering, Environmental

Performance and microbial community analysis of anaerobic sludge digestion enhanced by in-situ microaeration

Zhen Zhou et al.

Summary: The study found that in-situ microaeration can increase biogas production and VS removal rate of sludge through mechanisms such as stimulating hydrolytic enzyme activity, enlarging sludge particle size, and improving sludge dewaterability.

JOURNAL OF WATER PROCESS ENGINEERING (2021)

Article Environmental Sciences

Sludge treatment and resource recovery towards carbon neutrality in China: current status and future perspective

Ying Xu et al.

Summary: This paper discusses the key elements of carbon emissions during sludge treatment and disposal, as well as the process routes with the highest potential for reducing carbon emissions in the future. It also reviews current international research hotspots to propose future development directions for sludge treatment and resource recovery.

BLUE-GREEN SYSTEMS (2021)

Article Engineering, Environmental

Recent developments of the mainstream anammox processes: Challenges and opportunities

Hoang Phuc Trinh et al.

Summary: Mainstream anammox processes face challenges such as difficulty in out-selection of nitrite-oxidizing bacteria, high organic carbon to nitrogen ratio, retention of anammox bacteria, and influence of high concentrations of ammonia and nitrite compounds. Efficient strategies are necessary to manage high carbon to nitrogen ratios, improve performance in low-intensity wastewater, and retain anammox bacteria for widespread application in full-scale WWTPs. Key elements in the design, operation, and maintenance of mainstream anammox processes in full-scale WWTPs are also suggested.

JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING (2021)

Article Chemistry, Physical

Simultaneous biohythane production and sulfate removal from rubber sheet wastewater by two-stage anaerobic digestion

Kanathip Promnuan et al.

INTERNATIONAL JOURNAL OF HYDROGEN ENERGY (2020)

Review Environmental Sciences

Review on microaeration-based anaerobic digestion: State of the art, challenges, and prospectives

Qing Chen et al.

SCIENCE OF THE TOTAL ENVIRONMENT (2020)

Article Engineering, Environmental

Psychrophilic anaerobic membrane bioreactor (AnMBR) for treating malting plant wastewater and energy recovery

Esmat Maleki

JOURNAL OF WATER PROCESS ENGINEERING (2020)

Article Green & Sustainable Science & Technology

Enhancing biodegradability of industrial park wastewater by packing carriers and limited aeration in the hydrolysis process

Ying An et al.

JOURNAL OF CLEANER PRODUCTION (2020)

Review Engineering, Chemical

Methanogenic Microorganisms in Industrial Wastewater Anaerobic Treatment

Monika Vitezova et al.

PROCESSES (2020)

Article Engineering, Environmental

Anaerobic co-digestion assessment of olive mill wastewater and food waste: Effect of mixture ratio on methane production and process stability

Y. El Gnaoui et al.

JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING (2020)

Review Green & Sustainable Science & Technology

Challenges and prospects for the anaerobic treatment of chemical-industrial organic wastewater: A review

Zhe Kong et al.

JOURNAL OF CLEANER PRODUCTION (2019)

Article Environmental Sciences

Rapid thermal-acid hydrolysis of spiramycin by silicotungstic acid under microwave irradiation

Zheng Chen et al.

ENVIRONMENTAL POLLUTION (2019)

Article Environmental Sciences

Strategies of anaerobic sludge granulation in an EGSB reactor

C. V. Faria et al.

JOURNAL OF ENVIRONMENTAL MANAGEMENT (2019)

Review Green & Sustainable Science & Technology

Anaerobic membrane bioreactor towards biowaste biorefinery and chemical energy harvest: Recent progress, membrane fouling and future perspectives

Guangyin Zhen et al.

RENEWABLE & SUSTAINABLE ENERGY REVIEWS (2019)

Article Engineering, Environmental

Assessing energy performance and critical issues of a large wastewater treatment plant through full-scale data benchmarking

Maria Rosa di Cicco et al.

WATER SCIENCE AND TECHNOLOGY (2019)

Review Engineering, Environmental

Ammonia inhibition and toxicity in anaerobic digestion: A critical review

Ying Jiang et al.

JOURNAL OF WATER PROCESS ENGINEERING (2019)

Review Agricultural Engineering

A comprehensive review on food waste anaerobic digestion: Research updates and tendencies

Yuanyuan Ren et al.

BIORESOURCE TECHNOLOGY (2018)

Article Chemistry, Physical

Impacts of nano-metal oxides on hydrogen production in anaerobic digestion of palm oil mill effluent - A novel approach

Puranjan Mishra et al.

INTERNATIONAL JOURNAL OF HYDROGEN ENERGY (2018)

Review Green & Sustainable Science & Technology

Achievements and perspectives of anaerobic co-digestion: A review

Md Nurul Islam Siddique et al.

JOURNAL OF CLEANER PRODUCTION (2018)

Review Microbiology

The microbial nitrogen-cycling network

Marcel M. M. Kuypers et al.

NATURE REVIEWS MICROBIOLOGY (2018)

Article Engineering, Environmental

Benchmarking of energy consumption in municipal wastewater treatment plants - a survey of over 200 plants in Italy

M. Vaccari et al.

WATER SCIENCE AND TECHNOLOGY (2018)

Review Biotechnology & Applied Microbiology

A little breath of fresh air into an anaerobic system: How microaeration facilitates anaerobic digestion process

Duc Nguyen et al.

BIOTECHNOLOGY ADVANCES (2018)

Review Green & Sustainable Science & Technology

Energy production from waste: Evaluation of anaerobic digestion and bioelectrochemical systems based on energy efficiency and economic factors

Jeffrey R. Beegle et al.

RENEWABLE & SUSTAINABLE ENERGY REVIEWS (2018)

Review Engineering, Environmental

Biochar characteristics and early applications in anaerobic digestion-a review

Fabio Codignole Luz et al.

JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING (2018)

Article Green & Sustainable Science & Technology

Life Cycle Assessment of wastewater treatment systems for small communities: Activated sludge, constructed wetlands and high rate algal ponds

Marianna Garfi et al.

JOURNAL OF CLEANER PRODUCTION (2017)

Article Engineering, Environmental

Hydrogen and methane production from vinasse using two-stage anaerobic digestion

Shan-Fei Fu et al.

PROCESS SAFETY AND ENVIRONMENTAL PROTECTION (2017)

Review Engineering, Environmental

A review of the potentials, challenges and current status of microalgae biomass applications in industrial wastewater treatment

Ainil Farhan Mohd Udaiyappan et al.

JOURNAL OF WATER PROCESS ENGINEERING (2017)

Article Engineering, Chemical

Pre-treating amoxicillin contained wastewater with an anaerobic expanded granular sludge bed (EGSB)

Ling-Wei Meng et al.

DESALINATION AND WATER TREATMENT (2016)

Article Biotechnology & Applied Microbiology

Selection of microalgae for simultaneous biogas upgrading and biogas slurry nutrient reduction under various photoperiods

Zhongwei Wang et al.

JOURNAL OF CHEMICAL TECHNOLOGY AND BIOTECHNOLOGY (2016)

Article Biotechnology & Applied Microbiology

The control of H2S in biogas using iron ores as in situ desulfurizers during anaerobic digestion process

Qiying Zhou et al.

APPLIED MICROBIOLOGY AND BIOTECHNOLOGY (2016)

Review Agricultural Engineering

Biological nitrogen removal from sewage via anammox: Recent advances

Bin Ma et al.

BIORESOURCE TECHNOLOGY (2016)

Review Agricultural Engineering

A review on alkaline pretreatment technology for bioconversion of lignocellulosic biomass

Jun Seok Kim et al.

BIORESOURCE TECHNOLOGY (2016)

Review Engineering, Environmental

Algal biofilm reactors for integrated wastewater treatment and biofuel production: A review

Donghee Hoh et al.

CHEMICAL ENGINEERING JOURNAL (2016)

Article Ecology

Start-up and operation of an AnMBR for winery wastewater treatment

Nuria Basset et al.

ECOLOGICAL ENGINEERING (2016)

Article Engineering, Chemical

Treatment of semiconductor wastewater using single-stage partial nitrification and anammox in a pilot-scale reactor

Ying-Chang Liang et al.

JOURNAL OF THE TAIWAN INSTITUTE OF CHEMICAL ENGINEERS (2016)

Review Green & Sustainable Science & Technology

Progress in inhibition mechanisms and process control of intermediates and by-products in sewage sludge anaerobic digestion

Haiping Yuan et al.

RENEWABLE & SUSTAINABLE ENERGY REVIEWS (2016)

Article Green & Sustainable Science & Technology

Performance and energy aspects of single and two phase thermophilic anaerobic digestion of waste activated sludge

Wanderli Rogerio Moreira Leite et al.

RENEWABLE ENERGY (2016)

Article Agricultural Engineering

Improving hydrolysis acidification by limited aeration in the pretreatment of petrochemical wastewater

Changyong Wu et al.

BIORESOURCE TECHNOLOGY (2015)

Review Biotechnology & Applied Microbiology

Microaeration for hydrogen sulfide removal during anaerobic treatment: a review

Lucie Krayzelova et al.

REVIEWS IN ENVIRONMENTAL SCIENCE AND BIO-TECHNOLOGY (2015)

Article Engineering, Environmental

Evaluation of the potential for operating carbon neutral WWTPs in China

Xiaodi Hao et al.

WATER RESEARCH (2015)

Article Engineering, Environmental

Wastewater treatment process impact on energy savings and greenhouse gas emissions

D. Mamais et al.

WATER SCIENCE AND TECHNOLOGY (2015)

Review Biotechnology & Applied Microbiology

Microaeration for hydrogen sulfide removal during anaerobic treatment: a review

Lucie Krayzelova et al.

REVIEWS IN ENVIRONMENTAL SCIENCE AND BIO-TECHNOLOGY (2015)

Review Agricultural Engineering

Applicability and trends of anaerobic granular sludge treatment processes

Seung Joo Lim et al.

BIOMASS & BIOENERGY (2014)

Article Agricultural Engineering

Effect of hydraulic retention time (HRT) on the anaerobic co-digestion of agro-industrial wastes in a two-stage CSTR system

Margarita Andreas Dareioti et al.

BIORESOURCE TECHNOLOGY (2014)

Article Engineering, Chemical

The operating cost of an anaerobic membrane bioreactor (AnMBR) treating sulphate-rich urban wastewater

R. Pretel et al.

SEPARATION AND PURIFICATION TECHNOLOGY (2014)

Article Multidisciplinary Sciences

Anaerobic oxidation of methane coupled to nitrate reduction in a novel archaeal lineage

Mohamed F. Haroon et al.

NATURE (2013)

Proceedings Paper Construction & Building Technology

A novel application of micro-aerobic hydrolysis and acidification on the treatment of refractory Chinese traditional medicine wastewater

Zhanli Chen et al.

SUSTAINABLE ENVIRONMENT AND TRANSPORTATION, PTS 1-4 (2012)

Article Agricultural Engineering

Energy saving achieved by limited filamentous bulking sludge under low dissolved oxygen

Jian-Hua Guo et al.

BIORESOURCE TECHNOLOGY (2010)

Article Engineering, Environmental

Operational energy performance assessment system of municipal wastewater treatment plants

Lingbo Yang et al.

WATER SCIENCE AND TECHNOLOGY (2010)

Article Engineering, Environmental

Benchmarking energy consumption in municipal wastewater treatment plants in Japan

Kentaro Mizuta et al.

WATER SCIENCE AND TECHNOLOGY (2010)

Article Engineering, Environmental

Biological wastewater treatment for removal of polymeric resins in UASB reactor: influence of oxygen

U. Duran et al.

WATER SCIENCE AND TECHNOLOGY (2008)