Agricultural Engineering

Review Agricultural Engineering

Recent advances biodegradation and biosorption of organic compounds from wastewater: Microalgae-bacteria consortium-A review

Sook Sin Chan, Kuan Shiong Khoo, Kit Wayne Chew, Tau Chuan Ling, Pau Loke Show

Summary: Efforts have been made by scientists to develop methods for removing POPs from wastewater, focusing on green mechanisms such as biosorption, bioaccumulation, and biodegradation. The use of microalgae-bacteria consortia as a potential wastewater treatment system shows that synergistic interactions can enhance the existing biological wastewater treatment systems effectively.

BIORESOURCE TECHNOLOGY (2022)

Article Agricultural Engineering

Biological remediation technologies for dyes and heavy metals in wastewater treatment: New insight

Arvind Singh, Dan Bahadur Pal, Akbar Mohammad, Alaa Alhazmi, Shafiul Haque, Taeho Yoon, Neha Srivastava, Vijai Kumar Gupta

Summary: Biologically based techniques offer effective and environmentally friendly solutions to wastewater contaminated with dyes and heavy metals, with ongoing advancements and potential to further revolutionize water purification applications in the future.

BIORESOURCE TECHNOLOGY (2022)

Review Agricultural Engineering

Recent advances in lignocellulosic biomass for biofuels and value-added bioproducts-A critical review

Veeramuthu Ashokkumar, Radhakrishnan Venkatkarthick, Shanmugam Jayashree, Santi Chuetor, Selvakumar Dharmaraj, Gopalakrishnan Kumar, Wei-Hsin Chen, Chawalit Ngamcharussrivichai

Summary: Lignocellulosic biomass is a renewable, economical, and carbon-neutral feedstock, but its complex multi-scale structure poses challenges for valorization and saccharification. This review discusses the latest methods and technologies in biomass pretreatment, as well as genetic engineering techniques for developing advanced strategies in fermentation processes. The aim is to bridge the gap in developing economically feasible lignocellulosic products and chemicals using biorefining technologies.

BIORESOURCE TECHNOLOGY (2022)

Review Agricultural Engineering

Advances in pretreatment of lignocellulosic biomass for bioenergy production: Challenges and perspectives

Lei Zhao, Zhong-Fang Sun, Cheng-Cheng Zhang, Jun Nan, Nan-Qi Ren, Duu-Jong Lee, Chuan Chen

Summary: Bioenergy, as a clean and renewable energy source, shows great promise for replacing fossil fuels. Lignocellulose, with its potential for bioenergy production, can be effectively utilized through pretreatment technologies to enhance production efficiency.

BIORESOURCE TECHNOLOGY (2022)

Review Agricultural Engineering

Recent advances of thermochemical conversion processes for biorefinery

Myung Won Seo, See Hoon Lee, Hyungseok Nam, Doyeon Lee, Diyar Tokmurzin, Shuang Wang, Young-Kwon Park

Summary: The study shows that replacing biological processes with thermochemical conversion processes in biorefineries is feasible, easy, and effective. Challenges in thermochemical conversion processes were also identified, and the potential of artificial intelligence and machine learning for bio-oil and syngas production processes was highlighted.

BIORESOURCE TECHNOLOGY (2022)

Review Agricultural Engineering

Recent advances and sustainable development of biofuels production from lignocellulosic biomass

A. Saravanan, P. Senthil Kumar, S. Jeevanantham, S. Karishma, Dai-Viet N. Vo

Summary: The conversion of biomass into biofuels is an innovative approach to address environmental pollution and reduce carbon emissions. Lignocellulosic biomass has attracted researchers around the world as a main feedstock for biofuel production, with various pretreatment methods being widely used to enhance hydrolysis rate and accessibility.

BIORESOURCE TECHNOLOGY (2022)

Article Agricultural Engineering

Integrated biorefinery processes for conversion of lignocellulosic biomass to value added materials: Paving a path towards circular economy

G. Velvizhi, K. Balakumar, Nagaraj P. Shetti, Ejaz Ahmad, Kamal Kishore Pant, Tejraj M. Aminabhavi

Summary: Lignocellulosic biomass serves as an effective and sustainable alternative for producing biofuels and bio-based products, but its degradation poses a significant challenge. Integrating multiple unit processes is essential to produce a wider range of bio-based products, which can enhance yield, reduce reaction time, and lower costs. Process integration can lead to various outcomes that guide towards the development of circular economy.

BIORESOURCE TECHNOLOGY (2022)

Article Agricultural Engineering

High-efficiency removal of lead/cadmium from wastewater by MgO modified biochar derived from crofton weed

Song Cheng, Saidan Zhao, Hui Guo, Baolin Xing, Yongzhi Liu, Chuanxiang Zhang, Mingjie Ma

Summary: The MgO modified biochar derived from crofton weed (MBCW600) showed high adsorption capacities for Pb2+ and Cd2+ in wastewater, with Pb2+ being more easily captured than Cd2+ in a multimetal system. The study also highlighted the importance of Mg2+ in the adsorption process. Additionally, the exhausted MBCW600 could be effectively regenerated and showed potential for future applications in wastewater treatment containing heavy metals.

BIORESOURCE TECHNOLOGY (2022)

Review Agricultural Engineering

Hydrothermal carbonization and Liquefaction: differences, progress, challenges, and opportunities

Daniel Lachos-Perez, Paulo Cesar Torres-Mayanga, Ederson R. Abaide, Giovani L. Zabot, Fernanda De Castilhos

Summary: Hydrothermal liquefaction (HTL) and Hydrothermal Carbonization (HTC) are environmentally friendly and technologically innovative thermochemical processes that show significant differences in operation parameters, technical issues, and main products. Environmental and techno-economic assessments can evaluate the environmental sustainability and economic implications of these techniques. Perspectives and challenges are explored, along with integration approaches for hydrothermal valorization pathways and biorefining.

BIORESOURCE TECHNOLOGY (2022)

Review Agricultural Engineering

Advances in solid-state fermentation for bioconversion of agricultural wastes to value-added products: Opportunities and challenges

Chaitanya Reddy Chilakamarry, A. M. Mimi Sakinah, A. W. Zularisam, Ranjna Sirohi, Irshad Ahamad Khilji, Noormazlinah Ahmad, Ashok Pandey

Summary: This article discusses the green processing method of adding value to agricultural waste through solid-state fermentation, as well as the current knowledge on scenarios, sustainability opportunities, and future directions of a circular economy for solid waste utilization.

BIORESOURCE TECHNOLOGY (2022)

Review Agricultural Engineering

Lignin valorization: Status, challenges and opportunities

Sivasamy Sethupathy, Garbriel Murillo Morales, Lu Gao, Hongliang Wang, Bin Yang, Jianxiong Jiang, Jianzhong Sun, Daochen Zhu

Summary: As an abundant aromatic biopolymer, lignin holds great potential for producing various chemicals and biofuels through biorefinery activities, contributing to a sustainable circular economy. However, lignin valorization faces challenges such as its heterogeneous nature, intrinsic recalcitrance, strong smell, dark color, difficulties in lignocellulosic fractionation, and high bond dissociation enthalpies in its functional groups. Despite these constraints, recent research and development have shown promising applications of lignin-based hydrogels, surfactants, 3D printing materials, electrodes, and fine chemicals production. This review summarizes the main limitations and possible solutions for industrial lignin valorization, and provides future perspectives based on its abundance and potential applications reported in scientific literature.

BIORESOURCE TECHNOLOGY (2022)

Review Agricultural Engineering

Liquid hot water as sustainable biomass pretreatment technique for bioenergy production: A review

Wei-Hsin Chen, Sandro Nizetic, Ranjna Sirohi, Zuohua Huang, Rafael Luque, Agis M. Papadopoulos, R. Sakthivel, Xuan Phuong Nguyen, Anh Tuan Hoang

Summary: In recent years, lignocellulosic biomass has gained attention as a versatile energy source for biofuels and chemicals production, with biomass pretreatment playing a crucial role in enhancing product quality. Liquid hot water (LHW) pretreatment offers advantages such as minimal monomeric sugar formation and significant hemicellulose removal, but constraints need to be addressed for optimal efficiency. Future research should focus on advanced pretreatment techniques based on circular economy principles to maximize efficiency and minimize costs.

BIORESOURCE TECHNOLOGY (2022)

Review Agricultural Engineering

Global status of lignocellulosic biorefinery: Challenges and perspectives

Nisha Singh, Reeta Rani Singhania, Poonam S. Nigam, Cheng-Di Dong, Anil Kumar Patel, Munish Puri

Summary: The bioprocessing of lignocellulosic biomass to produce bio-based products is gaining global attention under biorefinery setup. However, the commercial success at industrial scale is still inadequate due to irregular biomass supply chain, market uncertainties, and scale-up challenges. Global research efforts by public and private sectors are underway to achieve deeper market penetration for the commercial success of lignocellulosic biorefineries.

BIORESOURCE TECHNOLOGY (2022)

Review Agricultural Engineering

Valorization of agro-industrial wastes for biorefinery process and circular bioeconomy: A critical review

P. R. Yaashikaa, P. Senthil Kumar, Sunita Varjani

Summary: Energy recovery from waste resources, specifically utilizing agro-industrial waste residues for biorefinery processes, has gained attention for its potential in producing valuable products. This approach not only transforms waste into energy and other products, but also improves waste management effectiveness.

BIORESOURCE TECHNOLOGY (2022)

Article Agricultural Engineering

Facile synthesis of Fe-modified lignin-based biochar for ultra-fast adsorption of methylene blue: Selective adsorption and mechanism studies

Yongchang Sun, Tingting Wang, Caohui Han, Xintian Lv, Lu Bai, Xiaoyin Sun, Pengfei Zhang

Summary: A novel Fe-modified lignin-based biochar (Fe-LB) was successfully fabricated for methylene blue (MB) removal, demonstrating high specific surface area and micropore volume compared to traditional LB. Fe-LB exhibited quick adsorption of MB with a maximum adsorption capacity of 2.7-fold higher than LB, achieving 100% removal efficiency in 15 minutes. Furthermore, Fe-LB showed selective adsorption preference for MB in a wide pH range and high salt environments, making it a promising candidate for dye wastewater treatment.

BIORESOURCE TECHNOLOGY (2022)

Review Agricultural Engineering

Recent advances in commercial biorefineries for lignocellulosic ethanol production: Current status, challenges and future perspectives

Tirath Raj, K. Chandrasekhar, A. Naresh Kumar, J. Rajesh Banu, Jeong-Jun Yoon, Shashi Kant Bhatia, Yung-Hun Yang, Sunita Varjani, Sang-Hyoun Kim

Summary: Cellulosic ethanol production is facing major sustainability issues due to changes in feedstock composition, natural resistance, and lack of cost-effective pretreatment and downstream processing. To address these challenges, a global overview of current cellulosic ethanol facilities, main roadblocks, and technical challenges has been outlined, along with advancements in R&D and solutions for low-cost sustainable fuel ethanol production.

BIORESOURCE TECHNOLOGY (2022)

Article Agricultural Engineering

Application of lignin in preparation of slow-release fertilizer: Current status and future perspectives

Jiajun Lu, Mingyang Cheng, Chao Zhao, Bin Li, Hehuan Peng, Yongjian Zhang, Qianjun Shao, Muhammad Hassan

Summary: Lignin, the most abundant renewable aromatic resource on Earth, is being utilized for producing bioproducts to support sustainable development. Studies on lignin-based slow-release fertilizer have increased due to its excellent properties in releasing nutrients slowly. By either physically impeding or chemically modifying the nutrients, lignin-based slow-release fertilizers are able to effectively release nutrients, promoting resource utilization and environmental protection.

INDUSTRIAL CROPS AND PRODUCTS (2022)

Review Agricultural Engineering

Design and applications of photobioreactors- a review

Ranjna Sirohi, Ashutosh Kumar Pandey, Panneerselvam Ranganathan, Shikhangi Singh, Aswathy Udayan, Mukesh Kumar Awasthi, Anh Tuan Hoang, Chaitanya Reddy Chilakamarry, Sang Hyoun Kim, Sang Jun Sim

Summary: There has been increasing attention on the use of photobioreactors for microalgae cultivation. Understanding the state-of-the-art designs, advantages, and limitations is crucial for classifying and applying different photobioreactors effectively.

BIORESOURCE TECHNOLOGY (2022)

Article Agricultural Engineering

Pyrolysis of waste surgical masks into liquid fuel and its life-cycle assessment

Chao Li, Xiangzhou Yuan, Ziying Sun, Manu Suvarna, Xun Hu, Xiaonan Wang, Yong Sik Ok

Summary: This study investigated the pyrolysis process and characteristics of products from waste surgical masks, and demonstrated the potential of utilizing these masks as feedstocks for energy production. Compared to conventional waste management approaches, this upcycling method offers environmental and economic benefits, contributing to the reduction of plastic pollution and sustainable energy recovery.

BIORESOURCE TECHNOLOGY (2022)

Article Agricultural Engineering

Magnetic MgFe2O4/biochar derived from pomelo peel as a persulfate activator for levofloxacin degradation: Effects and mechanistic consideration

Bin Yao, Zirui Luo, Shizhi Du, Jian Yang, Dan Zhi, Yaoyu Zhou

Summary: In this study, an innovative magnetic biochar catalyst was prepared for persulfate-based advanced oxidation process, and it efficiently removed levofloxacin. The results revealed that the catalyst promoted levofloxacin degradation through both non-radical pathway and direct electron-transfer pathway, with O2.- as the dominant active species.

BIORESOURCE TECHNOLOGY (2022)