☆ 4.8 Review

Advanced approaches for resource recovery from wastewater and activated sludge: A review

BIORESOURCE TECHNOLOGY (2023)

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Article Environmental Sciences

Layered double hydroxides for phosphorus recovery from lipid-rich waste anaerobic fermentation liquor

Yuqi Wu et al.

Summary: This study aimed to extract orthophosphate (ortho-P) from lipid-rich waste AF liquor (AFL) by Mg/Al layered double hydroxides (Mg/Al LDHs) adsorption. Low carbonate level was found to be favorable for P extraction. Kinetics and mechanisms analysis indicated that the adsorption of P onto Mg/Al LDHs was a rapid physiochemical process.

JOURNAL OF ENVIRONMENTAL MANAGEMENT (2023)

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Review Environmental Sciences

Macro-nutrients recovery from liquid waste as a sustainable resource for production of recovered mineral fertilizer: Uncovering alternative options to sustain global food security cost-effectively

Bogna Sniatala et al.

Summary: This article reviews the technical applicability of various water technologies for recovering macro-nutrients from wastewater, focusing on phosphorus (P), nitrogen (N), and potassium (K). The strengths and drawbacks of technologies such as struvite precipitation, adsorption, ion exchange, and membrane filtration are evaluated and compared. The study also explores the use of artificial intelligence (AI) in optimizing treatment processes and scaling up water treatment plants to facilitate the reuse of recovered materials for ensuring food security.

SCIENCE OF THE TOTAL ENVIRONMENT (2023)

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Article Environmental Sciences

Effects of microbial inoculum on microbial community and enzyme activity involved in nitrogen-sulfur metabolism during sewage sludge composting

Tingting Hou et al.

Summary: The purpose of this study was to assess the effects of thermotolerant nitrifying microorganisms and sulfur-oxidizing bacteria on the microbial community and enzyme activity involved in nitrogen-sulfur metabolism during sewage sludge composting. The results showed that the microbial inocula had little impact on the diversity of the microbial community but changed its succession direction, and decreased the abundance of Actinobacteria. The addition of microbial inocula promoted the conversion of nitrogen and sulfur in the compost and increased the activities of key enzymes and microbial genera involved in nitrogen-sulfur conversion.

SCIENCE OF THE TOTAL ENVIRONMENT (2023)

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Article Biotechnology & Applied Microbiology

Evaluation of olive mill wastewater as culture medium to produce lipolytic enzymes by Bacillus aryabhattai BA03

Alicia Paz et al.

Summary: In this study, olive mill wastewater (OMWW) was used as a low-cost substrate to produce lipases by Bacillus aryabhattai BA03, reducing the production costs. Non-sterilized or sterilized media formulated with 25% OMWW showed double or triple the enzyme activity compared to synthetic medium, while the highest activity was observed at pH 8, 27 degrees C, and 50% OMWW under non-sterile conditions.

BIOCATALYSIS AND AGRICULTURAL BIOTECHNOLOGY (2023)

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Review Agricultural Engineering

Rewiring of metabolic pathways in yeasts for sustainable production of biofuels

Rupesh Maurya et al.

Summary: The increasing global energy demand has negative consequences, such as depletion of fossil fuels, pollution, global warming, and climate change. Designing microbial cell factories for sustainable biofuel production is an active area of research.

BIORESOURCE TECHNOLOGY (2023)

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Review Environmental Sciences

Current research trends on cosmetic microplastic pollution and its impacts on the ecosystem: A review

Yuwen Zhou et al.

Summary: Since the emergence of microplastics, they have become an essential part of our daily lives, especially in personal care, cosmetics, and cleaning products, leading to domestic environmental pollution. The harmful effects of microplastics on the environment have been widely recognized, necessitating the assessment and monitoring of microplastics in these products. Furthermore, there is a need to develop innovative and sustainable technologies to combat microplastic pollution.

ENVIRONMENTAL POLLUTION (2023)

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Review Biotechnology & Applied Microbiology

Microbial bioprocess performance in nanoparticle-mediated composting

Meghana Gattupalli et al.

Summary: Microbial composting is a cost-effective technique for degradation and remediation, but the presence of nanoparticles (NPs) can have both positive and negative effects on the composting process. This article reviews the role of NPs in composting and suggests further research on nanozymes and their potential in composting.

CRITICAL REVIEWS IN BIOTECHNOLOGY (2023)

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Article Energy & Fuels

Kinetic modeling and interrelationship aspects of biogas production from waste activated sludge solubilized by enzymatic and thermal pre-treatment

Ailton Joao Goncalves Moreira et al.

Summary: This study used Monte Carlo Simulation (MCS) and kinetic models to analyze data from biogas production tests on waste activated sludge pre-treated samples. Eleven different pre-treatments were applied, combining enzymatic and thermal technologies. The results showed that most of the evaluated scenarios significantly improved biogas production, with the highest potential achieved through a combination of thermal and enzymatic solubilization. The importance of this study is rated as 8 out of 10.

FUEL (2023)

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Article Agricultural Engineering

Iron-based biochar derived from waste-activated sludge enhances anaerobic digestion of synthetic salty organic wastewater for methane production

Linxuan Che et al.

Summary: The synthetic iron-based biochar improved methane production at lower NaCl concentrations, but failed to have a catalytic effect at higher NaCl concentrations due to complete suppression of methanogenesis. Iron-based biochar demonstrated potential benefits for enhanced anaerobic digestion and treatment of salty organic wastewater by promoting hydrolysis-acidification and methanogenesis at lower salt concentrations.

BIORESOURCE TECHNOLOGY (2022)

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Review Environmental Sciences

Human and livestock pathogens and their control during composting

Muriel Lepesteur

Summary: This article evaluates the inactivation of pathogens during composting and explores ways to improve the inactivation process. While most pathogens are eliminated by the heat generated, spore-forming bacteria and Group II viruses may survive, and other bacteria may also persist. Reports on the inactivation of protozoa and helminths show contradictory results due to the lack of affordable and reliable detection methods. Promoting the activity of beneficial microorganisms contributes to pathogen inactivation. Future research should focus on the impact of composting recipe and different phases on pathogen inactivation.

CRITICAL REVIEWS IN ENVIRONMENTAL SCIENCE AND TECHNOLOGY (2022)

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Review Environmental Sciences

Current advances and future outlook on pretreatment techniques to enhance biosolids disintegration and anaerobic digestion: A critical review

Ushani Uthirakrishnan et al.

Summary: Anaerobic treatment is a popular method for converting organic waste into bioenergy, but hydrolysis is often a rate-limiting step due to the complexity and structure of the waste. Various pretreatment strategies are needed to enhance biogas production efficiency. Additionally, considerations of cost, inhibitors in biosolids, and strategies for overcoming these challenges are crucial for improving the overall process.

CHEMOSPHERE (2022)

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Review Materials Science, Multidisciplinary

Multifunctional applications of biochar beyond carbon storage

Nanthi Bolan et al.

Summary: Biochar is a charred material with high surface area and abundant functional groups produced by pyrolysis, and it has multifunctional values when applied in soil, but may also lead to unintended consequences.

INTERNATIONAL MATERIALS REVIEWS (2022)

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Article Chemistry, Physical

Sustainable Production of Thermostable Laccase from Agro-Residues Waste by Bacillus aquimaris AKRC02

Adarsh Kumar et al.

Summary: A thermo-tolerant halophilic Bacillus aquimaris AKRC02 was isolated from pulp and paper mill waste sludge for efficient laccase production. Rice bran was found to support the maximum laccase production. Optimized environmental conditions and nutritional sources significantly enhanced laccase production, resulting in purified enzyme with high specific activity and thermal stability.

CATALYSIS LETTERS (2022)

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Article Agricultural Engineering

Plant-scale hyperthermophilic composting of sewage sludge shifts bacterial community and promotes the removal of organic pollutants

Xiao-Hong Chen et al.

Summary: The study found that plant-scale hyperthermophilic composting effectively reduces the concentration of organic pollutants and alters the structure and function of bacterial communities. Microbes capable of degrading pollutants were found in the compost, and hyperthermophilic composting promotes the dissipation and humification of organic pollutants.

BIORESOURCE TECHNOLOGY (2022)

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Article Agronomy

Modification in the Composting Environment through Additives

Parveen Shelly et al.

Summary: Globally, recycling crop residues through composting offers a valuable solution for converting waste into useful products, meeting crop nutrient requirements, and improving soil quality. The use of additives in composting process modifies the physical, chemical, and microbial properties of compost, resulting in improved plant growth and modification of soil properties.

COMMUNICATIONS IN SOIL SCIENCE AND PLANT ANALYSIS (2022)

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Article Environmental Sciences

Composting temperature directly affects the removal of antibiotic resistance genes and mobile genetic elements in livestock manure

Guoying Wang et al.

Summary: This study compared the effects of heap composting and thermophilic composting on antibiotic resistance genes (ARGs) and mobile genetic elements (MGEs) in livestock manure, finding that ARGs abundance significantly increased in heap composting while decreased in thermophilic composting. Bacterial hosts were associated with variations in ARGs and MGEs, with different bacterial communities playing different roles in the two composting methods.

ENVIRONMENTAL POLLUTION (2022)

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Article Energy & Fuels

Enhanced biodiesel production by optimizing growth conditions of Chlorella marina in tannery wastewater

Veerasekar Nambukrishnan et al.

Summary: This study investigated the lipid-producing ability of marine microalgae cultured in secondary effluent from tannery wastewater treatment plants. Chlorella marina showed the highest biomass and lipid yield, and the biodiesel obtained from it also met the standards. This study indicates that tannery effluent can be a suitable feedstock for marine microalgae in biofuel production.

FUEL (2022)

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Review Chemistry, Multidisciplinary

Current approaches in CRISPR-Cas9 mediated gene editing for biomedical and therapeutic applications

Gargi Bhattacharjee et al.

Summary: A single gene mutation can cause human diseases. The CRISPR-Cas9 system is a powerful tool for correcting these mutations and has been used in various diseases. Effective delivery of CRISPR components is crucial.

JOURNAL OF CONTROLLED RELEASE (2022)

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Article Environmental Sciences

Assessment of leachable and persistent dissolved organic carbon in sludges and biosolids from municipal wastewater treatment plants

Juliette O'Keeffe et al.

Summary: This study provides a simple and cost-effective method for assessing the risks of organic pollutants in waste materials. The results showed little variability in dissolved organic carbon levels in primary sludges from different wastewater treatment plants, but significant differences in secondary sludges. Treated biosolids leached less dissolved organic carbon but had higher proportions of persistent or poorly biodegradable dissolved organic carbon.

JOURNAL OF ENVIRONMENTAL MANAGEMENT (2022)

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Review Green & Sustainable Science & Technology

Biotechnological strategies for bio-transforming biosolid into resources toward circular bio-economy: A review

Mukesh Kumar Awasthi et al.

Summary: This review provides a comprehensive illustration of biotechnological approaches for the utilization of biosolids, including various process strategies for the production of energy, fuels, and value-added products. The importance of utilizing biosolids under a circular economy is also emphasized.

RENEWABLE & SUSTAINABLE ENERGY REVIEWS (2022)

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Article Environmental Sciences

Co-Pyrolysis of Sewage Sludge and Wetland Biomass Waste for Biochar Production: Behaviors of Phosphorus and Heavy Metals

Ilham Gbouri et al.

Summary: Large amounts of sewage sludge and wetland plant wastes are generated in the wastewater treatment system. In this study, biochar was prepared through co-pyrolysis of sewage sludge and reed, and it was found that co-pyrolysis could reduce the phosphorus content and toxicity of heavy metals in the biochar, improving its quality.

INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH (2022)

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Article Green & Sustainable Science & Technology

Production and Characterization of Polyhydroxyalkanoates from Wastewater via Mixed Microbial Cultures and Microalgae

Simone Bagatella et al.

Summary: By utilizing microalgae and sludge in the treatment of municipal wastewater, this project investigated the feasibility of producing sustainable polyhydroxyalkanoates (PHA) with high molecular weights and different compositions. The obtained amorphous PHA materials suggest a potential diversification of uses and applications.

SUSTAINABILITY (2022)

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Review Biotechnology & Applied Microbiology

Microbiological insights into anaerobic digestion for biogas, hydrogen or volatile fatty acids (VFAs): a review

Sharareh Harirchi et al.

Summary: This review comprehensively analyzes the interactions and influences of different microorganisms in anaerobic digestion process, and discusses the latest applications and challenges of AD in the production of novel bio-products.

BIOENGINEERED (2022)

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Article Engineering, Environmental

Biochar amendment aids in the reduction of antibiotic-resistant bacteria and heavy metals during composting of poultry litter

Flora N. Ezugworie et al.

Summary: Poultry litter is a complex waste mixture that can be effectively stabilized and have its heavy metals and antibiotic-resistant bacteria reduced through the addition of biochar during composting.

BIOREMEDIATION JOURNAL (2022)

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Article Energy & Fuels

Towards the Physiological Understanding of Yarrowia lipolytica Growth and Lipase Production Using Waste Cooking Oils

Mattia Colacicco et al.

Summary: The yeast Yarrowia lipolytica has been used to convert waste cooking oil into high-value bio-based products. This study focused on the simultaneous production of intracellular lipids and extracellular lipases by optimizing the culture conditions. The results showed a direct correlation between the availability of free fatty acids in the media and the levels of lipase activity and single-cell oil accumulation.

ENERGIES (2022)

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Article Engineering, Environmental

Exploring the Limits of Polyhydroxyalkanoate Production by Municipal Activated Sludge

Ruizhe Pei et al.

Summary: This study found that municipal activated sludge can be used for polyhydroxyalkanoate (PHA) production. The maximum biomass PHA content ranged from 0.18 to 0.42 gPHA/gVSS, and the degree of enrichment ranged from 0.16 to 0.51 volume/volume. The average PHA content within the PHA-accumulating biomass fraction was relatively constant (0.58 ± 0.07 gPHA/gVSS). The degree of enrichment was identified as the key factor to maximize PHA content.

ENVIRONMENTAL SCIENCE & TECHNOLOGY (2022)

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Article Engineering, Environmental

Succession and change of potential pathogens in the co-composting of rural sewage sludge and food waste

Jun Zhan et al.

Summary: Composting is an effective method to control the spread of pathogenic bacteria in rural solid waste. This study analyzed the changes of pathogenic bacteria during the co-composting of sewage sludge and food waste and found a significant reduction in pathogenic bacteria after composting, with temperature being the key influencing factor.

WASTE MANAGEMENT (2022)

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Review Green & Sustainable Science & Technology

Pyrolysis of Biosolids to Produce Biochars: A Review

Samar Elkhalifa et al.

Summary: The increasing population leads to a higher demand for products and services, resulting in a significant increase in waste being released into the environment. New and innovative waste management solutions are needed, such as converting waste into value-added chemicals and products using biological, thermochemical, and physiochemical methods. The treatment of biosolids, a major by-product of human activities, also requires sustainable solutions. Pyrolysis, a thermochemical conversion technology, is explored in this review as a method to convert biosolids into biochars.

SUSTAINABILITY (2022)

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Article Agricultural Engineering

Real textile industrial wastewater treatment and biodiesel production using microalgae

Fahed Javed et al.

Summary: The study shows that 50% diluted RTWW under mixotrophic conditions is the most suitable choice for high treatment performance and FAMEs yield. Cultivation in mixotrophic conditions resulted in higher FAME content and COD removal compared to photo-autotrophic conditions.

BIOMASS & BIOENERGY (2022)

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Article Green & Sustainable Science & Technology

Phycoremediation of textile and tannery industrial effluents using microalgae and their consortium for biodiesel production

Chithirai Arutselvan et al.

Summary: The study demonstrates the potential of freshwater microalgae in treating textile and tannery effluents. The algae-mediated remediation effectively reduced the levels of pollutants in the wastewater, and certain microalgal strains showed promise in lipid production for biodiesel.

JOURNAL OF CLEANER PRODUCTION (2022)

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Article Green & Sustainable Science & Technology

La-Fe magnetic bentonite stimulated denitrifying phosphorus removal from low C/N wastewater in the A2/O process: Performance, microbial community, and potential mechanism

Xiejuan Lu et al.

Summary: A novel process combining A(2)/O bioreactor with La-Fe-MB material was proposed for highly efficient phosphorus removal from municipal sewage. Long-term operation indicated that this process achieved a highly-efficient TP removal by enhancing denitrifying phosphorus removal and chemical precipitation. The addition of La-Fe-MB also facilitated the enrichment of denitrifying phosphorus accumulating organisms.

JOURNAL OF CLEANER PRODUCTION (2022)

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Review Environmental Sciences

Valorization of wastewater: A paradigm shift towards circular bioeconomy and sustainability

Debajyoti Kundu et al.

Summary: Resource recovery from wastewater is crucial for addressing the limitations in natural resources availability and management issues. Utilizing biotechnological processes for resource recovery can promote the development of a circular economy, enabling effective utilization of organic materials, nutrients, metals, and other valuable resources in wastewater.

SCIENCE OF THE TOTAL ENVIRONMENT (2022)

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Article Environmental Sciences

Effect of biochar amendment on compost quality, gaseous emissions and pathogen reduction during in-vessel composting of chicken manure

Woo Jin Chung et al.

Summary: Adding 10% biochar during in-vessel chicken manure composting showed the most significant effects on improving compost nutrient quality, reducing gaseous emissions, and controlling pathogenic microorganisms. The study highlights the benefits of biochar addition in enhancing compost quality and environmental safety during the composting process.

CHEMOSPHERE (2021)

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Article Environmental Sciences

Integrating bioremediation of textile wastewater with biodiesel production using microalgae (Chlorella vulgaris)

Tahir Fazal et al.

Summary: Microalgae-led wastewater treatment using Chlorella vulgaris shows promising results in terms of growth, dye decolorization, and COD removal. Cultivation in diluted textile wastewater leads to higher growth rate, dye decolorization, and COD efficiency compared to undiluted wastewater. This study suggests that Chlorella vulgaris can be cultivated in both types of wastewater for biodiesel production, with better results observed in diluted wastewater.

CHEMOSPHERE (2021)

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Article Environmental Sciences

Industrial wastewater treatment: Current trends, bottlenecks, and best practices

Deblina Dutta et al.

Summary: The rapid urbanization and industrialization have led to a close link between water consumption, wastewater generation, and resource recovery from industrial wastewater. Despite challenges such as inefficient treatment options and lack of financial support, there are opportunities for economic benefits and sustainable development through effective wastewater management and resource recovery.

CHEMOSPHERE (2021)

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Article Engineering, Environmental

Production of compost with biopesticide property from toxic weed Lantana: Quantification of alkaloids in compost and bacterial pathogen suppression

Rani Rai et al.

Summary: Composting toxic weed Lantana camara foliage with cow dung resulted in increased nutrient content and decreased organic carbon. The compost showed prevention against Escherichia coll. and Salmonella, while exhibiting strong pathogen-inhibiting properties. GC MS analysis revealed the presence of biocidal compounds in the Lantana compost, suggesting its potential as a bio-manure with biopesticide properties for sustainable organic farming.

JOURNAL OF HAZARDOUS MATERIALS (2021)

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Article Engineering, Environmental

Potassium struvite (slow release fertilizer) and activated carbon production: Resource recovery from vinasse and grape marc organic waste using thermal processing

Hasan Arslanoglu et al.

Summary: This study investigated the production of potassium magnesium phosphate fertilizer from vinasse and grape marc through pyrolysis and extraction processes. The results showed that pyrolysis and treatment can be used to produce activated carbon from vinasse.

PROCESS SAFETY AND ENVIRONMENTAL PROTECTION (2021)

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Article Multidisciplinary Sciences

Induced changes of pyrolysis temperature on the physicochemical traits of sewage sludge and on the potential ecological risks

Claudineia de Souza Souza et al.

Summary: Increasing the pyrolysis temperature can decrease the concentration of volatile elements in biochar and increase the content of stable aromatic carbon, ash, alkalinity, some macro and micronutrients, and toxic elements. It also facilitates the transformation of metals from toxic and available forms into more stable potentially available and non-available forms. Despite the presence of Cd in the sewage sludge and biochar, the potential ecological risk index of both was rated as low.

SCIENTIFIC REPORTS (2021)

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Article Environmental Sciences

Pyrolysis of sewage sludge for sustainable biofuels and value-added biochar production

Praveen Kumar Ghodke et al.

Summary: This study focuses on the pyrolysis of sewage sludge to produce eco-friendly fuels and value-added biochar products. The experiments showed that at the optimal temperature of 500 degrees C, the product yield consisted of 22.4 wt% bio-oil, 18.9 wt% pyrolysis gases, and 58.7 wt% biochar. The chemical composition and fuel qualities of bio-oil and pyrolysis gases make them suitable for engine use. Additionally, the biochar analysis demonstrated its potential as organic manure in the agriculture sector.

JOURNAL OF ENVIRONMENTAL MANAGEMENT (2021)

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Article Energy & Fuels

Sewage sludge and phytomass co-pyrolysis and the gasification of its chars: A kinetics and reaction mechanism study

Beata Urych et al.

Summary: This paper investigates the kinetics and mechanisms of pyrolysis and gasification processes of sewage sludge and phytomass blends, suggesting that mixing these two types of waste can improve fuel quality and conversion efficiency. The two-stage gasification process combining co-pyrolysis and hot char gasification is considered sustainable for the production of combustible gas.

FUEL (2021)

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Article Public, Environmental & Occupational Health

Fate of faecal pathogen indicators during faecal sludge composting with different bulking agents in tropical climate

M. Manga et al.

Summary: The study found that different bulking agents significantly affect the temperature and survival of pathogen indicators in compost, with coffee husks being the most suitable bulking agent for composting with FS. Time-temperature is the key factor for pathogen inactivation, while other mechanisms such as indigenous microbial also play an important role in pathogen disinfection.

INTERNATIONAL JOURNAL OF HYGIENE AND ENVIRONMENTAL HEALTH (2021)

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Article Biotechnology & Applied Microbiology

Polyhydroxyalkanoates and pigments coproduction by Arthrospira (Spirulina) platensis cultivated in crude glycerol

Priscila Santos Correa et al.

Summary: Valorization of industrial waste as a carbon source, such as crude glycerol, can reduce cultivation costs and increase PHAs production; It is found in the study that adding a certain concentration of pure or crude glycerol can significantly increase the biomass and PHAs content of microalgae, while glycerol mixotrophic cultivations with simultaneous nutrient depletion (nitrogen or phosphorus) did not improve PHAs accumulation.

JOURNAL OF APPLIED PHYCOLOGY (2021)

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Review Biotechnology & Applied Microbiology

Biochar from slow pyrolysis of biological sludge from wastewater treatment: characteristics and effect as soil amendment

Ana C. M. Vilas-Boas et al.

Summary: Research on biological sludge pyrolysis to produce biochar as a soil amendment showed that biochar yield decreased with increasing peak temperature and heating rate, with carbon content ranging from 42.8% to 47.0% and pH ranging from 6.9 to 11.2. The study demonstrated the potential of using biochar produced from biological sludge in the pulp and paper industry for soil improvement.

BIOFUELS BIOPRODUCTS & BIOREFINING-BIOFPR (2021)

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Review Energy & Fuels

Integrated Approach for Wastewater Treatment and Biofuel Production in Microalgae Biorefineries

Sanjeet Mehariya et al.

Summary: Microalgae biorefineries offer a sustainable alternative to conventional wastewater treatment processes, with potential for lower costs and energy consumption. They provide valuable compounds for biofuel production while effectively combining wastewater treatment and energy production, addressing the environmental problems caused by increasing world population and energy demand.

ENERGIES (2021)

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Review Biotechnology & Applied Microbiology

Bioengineered biochar as smart candidate for resource recovery toward circular bio-economy: a review

Hong Liu et al.

Summary: Biochar has gained significant interest due to its ability to mediate microbial degradation and sequester carbon. This review evaluates its potential advantages and future perspectives, focusing on resource recovery and waste recycling. Current breakthroughs in engineered biochar application techniques for sustainable technology are highlighted, demonstrating its importance in promoting a circular bioeconomy.

BIOENGINEERED (2021)

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Article Engineering, Environmental

Surfactant-assisted thermal hydrolysis off waste activated sludge for improved dewaterability, organic release, and volatile fatty acid production

Xuchuan Shi et al.

Summary: The study found that the addition of surfactants enhances the hydrolysis and organic solubilization of waste activated sludge during thermal hydrolysis pretreatment, resulting in improved dewaterability and organic production of the sludge. This surfactant-assisted technology is promising for WAS treatment, waste reduction, and resource recovery.

WASTE MANAGEMENT (2021)

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Article Engineering, Environmental

Integrating dairy manure for enhanced resource recovery at a WRRF: Environmental life cycle and pilot-scale analyses

Casey Bryant et al.

Summary: Research was conducted on converting a wastewater treatment plant into a water resource recovery facility, where the production of electricity via combined heat and power was found to be crucial for achieving environmental sustainability by offsetting energy demand. Results showed that diversifying the portfolio of products and integrating dairy manure for bioplastics production can help maintain the facility's environmental performance while yielding a diverse range of resources.

WATER ENVIRONMENT RESEARCH (2021)

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Article Chemistry, Multidisciplinary

Isoprene Production from Municipal Wastewater Biosolids by Engineered Archaeon Methanosarcina acetivorans

Sean Carr et al.

Summary: Research on engineered Methanosarcina acetivorans in municipal wastewater to produce renewable bioisoprene for value-added chemicals. The engineered strain can adapt to grow and produce bioisoprene in municipal wastewater. The potential for utilizing methanogens as a platform for low-cost production of renewable materials is demonstrated through the production of bioisoprene using available methane substrate in wastewater.

APPLIED SCIENCES-BASEL (2021)

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Review Energy & Fuels

Valorization of Wastewater Resources Into Biofuel and Value-Added Products Using Microalgal System

Kanika Arora et al.

Summary: Wastewater is considered a resource for microbial fermentation and value-added products, with microalgae playing a key role in treating wastewater and recovering resources. By consuming nutrients in the wastewater, microalgae reduce biochemical oxygen demand and produce valuable compounds.

FRONTIERS IN ENERGY RESEARCH (2021)

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Article Engineering, Environmental

Polyhydroxyalkanoates production from fermented domestic wastewater using phototrophic mixed cultures

J. R. Almeida et al.

Summary: This study evaluated the capability of phototrophic mixed cultures (PMC) to produce polyhydroxyalkanoates (PHA) using real fermented domestic wastewater as feedstock. Various operational strategies were assessed to increase PHA productivity, leading to the discovery of methods to improve the selection of PHA accumulating bacteria.

WATER RESEARCH (2021)

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Review Green & Sustainable Science & Technology

Microalgal Production of Biofuels Integrated with Wastewater Treatment

Merrylin Jayaseelan et al.

Summary: Developing sustainable biofuels is essential for reducing human impacts on air and water quality, and decreasing the use of fossil fuels. Using microalgae to treat wastewater and produce biofuels simultaneously is a promising approach, with the potential to minimize costs and environmental hazards by utilizing nutrients and water already present in wastewater.

SUSTAINABILITY (2021)

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Article Multidisciplinary Sciences

Effect of biosolids on the nitrogen and phosphorus contents of soil used for sugarcane cultivation

Jorge Antonio Silva-Leal et al.

Summary: The application of biosolids improves soil nutrient availability and crop productivity but must be carefully evaluated to avoid contamination. Biosolid treatments exceeded the phosphorus requirement for sugarcane cultivation, leading to excessive soil phosphorus content.

HELIYON (2021)

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Review Environmental Sciences

Validated innovative approaches for energy-efficient resource recovery and re-use from municipal wastewater: From anaerobic treatment systems to a biorefinery concept

Cagri Akyol et al.

CRITICAL REVIEWS IN ENVIRONMENTAL SCIENCE AND TECHNOLOGY (2020)

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Article Environmental Sciences

Biological fixation of carbon dioxide and biodiesel production using microalgae isolated from sewage waste water

Neha Maheshwari et al.

ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH (2020)

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Article Public, Environmental & Occupational Health

The investigation of antibiotic residues, antibiotic resistance genes and antibiotic-resistant organisms in a drinking water reservoir system in Germany

A. M. Voigt et al.

INTERNATIONAL JOURNAL OF HYGIENE AND ENVIRONMENTAL HEALTH (2020)

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Review Biotechnology & Applied Microbiology

Carbon, nitrogen and phosphorus recovery from liquid swine wastes: a review

Silvio Montalvo et al.

JOURNAL OF CHEMICAL TECHNOLOGY AND BIOTECHNOLOGY (2020)

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Article Agricultural Engineering

Effect of inoculating microorganisms in chicken manure composting with maize straw

Leibing Wan et al.

BIORESOURCE TECHNOLOGY (2020)

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Article Engineering, Chemical

The influence of feedstock characteristics on processability of biosolid slurries for conversion to renewable crude oil via hydrothermal liquefaction

Sylvia Y. Edifor et al.

CHEMICAL ENGINEERING RESEARCH & DESIGN (2020)

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Article Ecology

Potential environmental toxicity of sewage effluent with pharmaceuticals

Ramiro Pereira Bisognin et al.

ECOTOXICOLOGY (2020)

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Article Green & Sustainable Science & Technology

Refining biomass residues for sustainable energy and bio-products: An assessment of technology, its importance, and strategic applications in circular bio-economy

Mukesh Kumar Awasthi et al.

RENEWABLE & SUSTAINABLE ENERGY REVIEWS (2020)

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Article Engineering, Environmental

A green method for the simultaneous recovery of phosphate and potassium from hydrolyzed urine as value-added fertilizer using wood waste

Jingyan Liu et al.

RESOURCES CONSERVATION AND RECYCLING (2020)

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Review Green & Sustainable Science & Technology

Renewable Energy Products through Bioremediation of Wastewater

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SUSTAINABILITY (2020)

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Article Thermodynamics

Biohydrogen production from waste activated sludge pretreated by combining sodium citrate with ultrasonic: Energy conversion and microbial community

Guang Yang et al.

ENERGY CONVERSION AND MANAGEMENT (2020)

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Article Engineering, Environmental

Sustainable valorization of paper mill sludge into cellulose nanofibrils and cellulose nanopaper

Haishun Du et al.

JOURNAL OF HAZARDOUS MATERIALS (2020)

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Article Engineering, Environmental

Hydrothermal alkaline conversion of actual acrylonitrile wastewater to organic acids

Zheng Shen et al.

PROCESS SAFETY AND ENVIRONMENTAL PROTECTION (2020)

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Article Biotechnology & Applied Microbiology

Reusing phosphate sludge enriched by phosphate solubilizing bacteria as biofertilizer: Growth promotion of Zea Mays

Brahim Benbrik et al.

BIOCATALYSIS AND AGRICULTURAL BIOTECHNOLOGY (2020)

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Article Water Resources

Exploration of low-cost agro-industrial waste substrate for cellulase and xylanase production using Aspergillus heteromorphus

Somvir Bajar et al.

APPLIED WATER SCIENCE (2020)

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Article Biotechnology & Applied Microbiology

Kitchen waste for economical amylase production using Bacillus amyloliquefaciens KCP2

Bhumi Bhatt et al.

BIOCATALYSIS AND AGRICULTURAL BIOTECHNOLOGY (2020)

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Review Engineering, Environmental

A critical review of resource recovery from municipal wastewater treatment plants - market supply potentials, technologies and bottlenecks

Philipp Kehrein et al.

ENVIRONMENTAL SCIENCE-WATER RESEARCH & TECHNOLOGY (2020)

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Article Thermodynamics

Effect of dewatered sludge microwave pretreatment temperature and duration on net energy generation and biosolids quality from anaerobic digestion

Gokce Kor-Bicakci et al.

ENERGY (2019)

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Article Chemistry, Physical

Improvement of biohythane production from Chlorella sp. TISTR 8411 biomass by co-digestion with organic wastes in a two-stage fermentation

Aminee Jehlee et al.

INTERNATIONAL JOURNAL OF HYDROGEN ENERGY (2019)

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Article Engineering, Environmental

Production of polyhydroxyalkanoates by activated sludge: Correlation with extracellular polymeric substances and characteristics of activated sludge

Heng Li et al.

CHEMICAL ENGINEERING JOURNAL (2019)

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Review Biochemistry & Molecular Biology

Microalgae as source of polyhydroxyalkanoates (PHAs) - A review

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INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES (2019)

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Article Environmental Sciences

Effects of inoculation with lignocellulose-degrading microorganisms on antibiotic resistance genes and the bacterial community during co-composting of swine manure with spent mushroom substrate

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ENVIRONMENTAL POLLUTION (2019)

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Review Green & Sustainable Science & Technology

Biosolids: What are the different types of reuse?

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JOURNAL OF CLEANER PRODUCTION (2019)

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Evaluation of microbial inoculants pretreatment in straw and manure co-composting process enhancement

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JOURNAL OF CLEANER PRODUCTION (2019)

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On a voyage of recovery: a review of the UK's resource recovery from waste infrastructure

Phil Purnell

SUSTAINABLE AND RESILIENT INFRASTRUCTURE (2019)

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Review Biotechnology & Applied Microbiology

Technologies for Biogas Upgrading to Biomethane: A Review

Amir Izzuddin Adnan et al.

BIOENGINEERING-BASEL (2019)

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Article Engineering, Environmental

Hyperthermophilic Composting Accelerates the Removal of Antibiotic Resistance Genes and Mobile Genetic Elements in Sewage Sludge

Hanpeng Liao et al.

ENVIRONMENTAL SCIENCE & TECHNOLOGY (2018)

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Article Agricultural Engineering

Development and application of a continuous fast microwave pyrolysis system for sewage sludge utilization

Junwen Zhou et al.

BIORESOURCE TECHNOLOGY (2018)

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Improved photobio-H2 production regulated by artificial miRNA targeting psbA in green microalga Chlamydomonas reinhardtii

Hui Li et al.

BIOTECHNOLOGY FOR BIOFUELS (2018)

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Article Energy & Fuels

Harvesting and pre-treatment of microalgae cultivated in wastewater for biodiesel production: A review

Wan Nadiah Amalina Kadir et al.

ENERGY CONVERSION AND MANAGEMENT (2018)

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Review Energy & Fuels

A comprehensive review on pretreatment of microalgae for biogas production

Ece Kendir et al.

INTERNATIONAL JOURNAL OF ENERGY RESEARCH (2018)

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Review Agriculture, Multidisciplinary

Valuable Compound Extraction, Anaerobic Digestion, and Composting: A Leading Biorefinery Approach for Agricultural Wastes

Fernando G. Fermoso et al.

JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY (2018)

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Article Biotechnology & Applied Microbiology

Metabolic engineering of Escherichia coli for the synthesis of polyhydroxyalkanoates using acetate as a main carbon source

Jing Chen et al.

MICROBIAL CELL FACTORIES (2018)

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Article Chemistry, Analytical

Co-pyrolysis of sewage sludge and sawdust/rice straw for the production of biochar

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JOURNAL OF ANALYTICAL AND APPLIED PYROLYSIS (2017)

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Ultra high temperature gasification of municipal wastewater primary biosolids in a rotary kiln reactor for the production of synthesis gas

Petros Gikas

JOURNAL OF ENVIRONMENTAL MANAGEMENT (2017)

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Article Green & Sustainable Science & Technology

Bio-oil production from dry sewage sludge by fast pyrolysis in an electrically-heated fluidized bed reactor

Renato O. Arazo et al.

SUSTAINABLE ENVIRONMENT RESEARCH (2017)

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Article Agricultural Engineering

Inoculation with a psychrotrophic-thermophilic complex microbial agent accelerates onset and promotes maturity of dairy manure-rice straw composting under cold climate conditions

Changlong Gou et al.

BIORESOURCE TECHNOLOGY (2017)

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Article Agricultural Engineering

Evaluation of biochar amended biosolids co-composting to improve the nutrient transformation and its correlation as a function for the production of nutrient-rich compost

Mukesh Kumar Awasthi et al.

BIORESOURCE TECHNOLOGY (2017)

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Article Agricultural Engineering

Cumulative effects of bamboo sawdust addition on pyrolysis of sewage sludge: Biochar properties and environmental risk from metals

Junwei Jin et al.

BIORESOURCE TECHNOLOGY (2017)

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Review Engineering, Chemical

Removal of Heavy Metals from Industrial Wastewaters: A Review

Arezoo Azimi et al.

CHEMBIOENG REVIEWS (2017)

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Article Biochemistry & Molecular Biology

Optimization of polyhydroxybutyrate production utilizing waste water as nutrient source by Botryococcus braunii Kutz using response surface methodology

Ganapathy Kavitha et al.

INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES (2016)

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Article Engineering, Environmental

Biogas Production from Anaerobic Codigestion of Microalgae and Septic Sludge

Dingnan Lu et al.

JOURNAL OF ENVIRONMENTAL ENGINEERING (2016)

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Article Biotechnology & Applied Microbiology

Harvesting microalgae using activated sludge can decrease polymer dosing and enhance methane production via co-digestion in a bacterial-microalgal process

Dorottya S. Wagner et al.

ALGAL RESEARCH-BIOMASS BIOFUELS AND BIOPRODUCTS (2016)

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Review Microbiology

Metabolic Engineering of Microalgal Based Biofuel Production: Prospects and Challenges

Chiranjib Banerjee et al.

FRONTIERS IN MICROBIOLOGY (2016)

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Article Engineering, Environmental

Biogas Production from Anaerobic Codigestion of Microalgae and Septic Sludge

Dingnan Lu et al.

JOURNAL OF ENVIRONMENTAL ENGINEERING (2016)

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Article Agricultural Engineering

Combining urban wastewater treatment with biohydrogen production - An integrated microalgae-based approach

Ana Paula Batista et al.

BIORESOURCE TECHNOLOGY (2015)

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Article Agricultural Engineering

Anaerobic co-digestion of pig manure and algae: Impact of intracellular algal products recovery on co-digestion performance

S. Astals et al.

BIORESOURCE TECHNOLOGY (2015)

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Article Chemistry, Applied

Catalytic post-treatment of the vapors from sewage sludge pyrolysis by means of γ-Al2O3: Effect on the liquid product properties

M. Azuara et al.

FUEL PROCESSING TECHNOLOGY (2015)

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Article Engineering, Environmental

Recovery of ammonia from swine manure using gas-permeable membranes: Effect of waste strength and pH

M. C. Garcia-Gonzalez et al.

WASTE MANAGEMENT (2015)

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Article Biotechnology & Applied Microbiology

Polyhydroxybutyrate production using a wastewater microalgae based media

Asif Rahman et al.

ALGAL RESEARCH-BIOMASS BIOFUELS AND BIOPRODUCTS (2015)

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Tar-free fuel gas production from high temperature pyrolysis of sewage sludge

Leguan Zhang et al.

WASTE MANAGEMENT (2014)

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Article Agricultural Engineering

Anaerobic co-digestion of the marine microalga Nannochloropsis salina with energy crops

Sebastian Schwede et al.

BIORESOURCE TECHNOLOGY (2013)

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Article Chemistry, Physical

Solar-to-bioH2 production enhanced by homologous overexpression of hydrogenase in green alga Chlorella sp. DT

Lee-Feng Chien et al.

INTERNATIONAL JOURNAL OF HYDROGEN ENERGY (2012)

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Review Green & Sustainable Science & Technology

Towards sewage sludge based biofuels via thermochemical conversion - A review

P. Manara et al.

RENEWABLE & SUSTAINABLE ENERGY REVIEWS (2012)

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Article Engineering, Environmental

Effect of sewage sludge content on gas quality and solid residues produced by cogasification in an updraft gasifier

Maurizia Seggiani et al.

WASTE MANAGEMENT (2012)

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Article Biotechnology & Applied Microbiology

Distinct Responses in Ammonia-Oxidizing Archaea and Bacteria after Addition of Biosolids to an Agricultural Soil

John J. Kelly et al.

APPLIED AND ENVIRONMENTAL MICROBIOLOGY (2011)

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Review Agricultural Engineering

Techniques for transformation of biogas to biomethane

E. Ryckebosch et al.

BIOMASS & BIOENERGY (2011)

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Article Agricultural Engineering

Improved biohydrogen production with an expression of codon-optimized hemH and lba genes in the chloroplast of Chlamydomonas reinhardtii

Shuangxiu Wu et al.

BIORESOURCE TECHNOLOGY (2011)

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Article Agricultural Engineering

An assessment of pathogen removal during composting of the separated solid fraction of pig manure

Gemma Mc Carthy et al.

BIORESOURCE TECHNOLOGY (2011)

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Article Chemistry, Physical

Introducing pyruvate oxidase into the chloroplast of Chlamydomonas reinhardtii increases oxygen consumption and promotes hydrogen production

Fu-Qiao Xu et al.

INTERNATIONAL JOURNAL OF HYDROGEN ENERGY (2011)

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Article Chemistry, Physical

Hydrogen and syngas production from sewage sludge via steam gasification

Nimit Nipattummakul et al.

INTERNATIONAL JOURNAL OF HYDROGEN ENERGY (2010)

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Article Biotechnology & Applied Microbiology

Quality evaluation of co-composted wheat straw, poultry droppings and oil seed cakes

Sunita Gaind et al.

BIODEGRADATION (2009)

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Article Engineering, Environmental

Characteristics of municipal solid waste and sewage sludge co-composting

Yanjun Lu et al.

WASTE MANAGEMENT (2009)

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Article Engineering, Environmental

Co-composting of faecal sludge and organic solid waste for agriculture: Process dynamics

Olufunke Cofie et al.

WATER RESEARCH (2009)

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Article Agricultural Engineering

Transformation of organic matter during co-composting of pig manure with sawdust

G. F. Huang et al.

BIORESOURCE TECHNOLOGY (2006)

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Article Engineering, Environmental

Wastewater sludge as a potential raw material for antagonistic fungus (Trichoderma sp.):: Role of pre-treatment and solids concentration

M Verma et al.

WATER RESEARCH (2005)

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Review Engineering, Environmental

Simultaneous production of biopesticide and alkaline proteases by Bacillus thuringiensis using sewage sludge as a raw material

RD Tyagi et al.

WATER SCIENCE AND TECHNOLOGY (2002)

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Article Engineering, Environmental

Gas chromatographic analysis of polyhydroxybutyrate in activated sludge: a round-robin test

D Baetens et al.

WATER SCIENCE AND TECHNOLOGY (2002)

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Article Agricultural Engineering

Co-composting of soybean residues and leaves in Hong Kong

JWC Wong et al.

BIORESOURCE TECHNOLOGY (2001)

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