Characterization and utilization of aqueous products from hydrothermal conversion of biomass for bio-oil and hydro-char production: a review

Hydrothermal conversion (HTC), including hydrothermal liquefaction and hydrothermal carbonization, is a cost-effective and environmentally friendly thermochemical technology for the utilization of biomass. Bio-oil and hydro-char have been the subjects of intense research over the past decade, during...

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Published inGreen chemistry : an international journal and green chemistry resource : GC Vol. 21; no. 7; pp. 1553 - 1572
Main Authors Usman, Muhammad, Chen, Huihui, Chen, Kaifei, Ren, Shuang, Clark, James H, Fan, Jiajun, Luo, Gang, Zhang, Shicheng
Format Journal Article
LanguageEnglish
Published Cambridge Royal Society of Chemistry 01.04.2019
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Summary:Hydrothermal conversion (HTC), including hydrothermal liquefaction and hydrothermal carbonization, is a cost-effective and environmentally friendly thermochemical technology for the utilization of biomass. Bio-oil and hydro-char have been the subjects of intense research over the past decade, during which considerable amounts of aqueous products with high concentrations of organics and nutrients have been produced, which have been largely overlooked. Compositions of hydrothermal conversion aqueous products (HTC-AP) strongly depend on the process conditions and biomass compositions, and also affect their further utilization. The present study systematically summarizes the main reactions occurring in HTC, characterization of HTC-AP, and factors affecting the compositions of HTC-AP. More importantly, recent advances of HTC-AP utilization techniques are summarized. Finally, the main challenges for future research on HTC-AP have been identified and possible solutions are given. Hydrothermal conversion (HTC), including hydrothermal liquefaction and hydrothermal carbonization, is a promising thermochemical technology for biomass utilization.
Bibliography:Dr Gang Luo is an associate professor in the Department of Environmental Science and Engineering at Fudan University. He got his PhD degree in Environmental Engineering from Tongji University, and then moved to the Technical University of Denmark for postdoc research. He joined Fudan University at the end of 2013. His current research interests include anaerobic digestion, anaerobic microbiology, organic waste treatments, hydrothermal conversion and biological syngas conversion. He has developed several novel technologies including
Dr Jiajun (Alice) Fan is an Assistant Professor working in the Green Chemistry Centre of Excellence (GCCE), University of York and the GCCE microwave technology platform leader. She has been researching the microwave decomposition of biomass
Shicheng Zhang is a Professor of Environmental Engineering and a vice chair of the Department of Environmental Science and Engineering at Fudan University, China, and a Visiting Professor at the University of York, UK. His research group is focusing on biofuels, bio-based chemicals and materials production from biomass waste by chemical, biochemical and biological methods. He has published over 100 original articles with over 2800 ISI citations (H index 27) and 30 patents. He has served as a Guest Editor of Bioresource Technology (2017) and Green Chemistry (2018).
Muhammad Usman obtained his bachelor's and master's degrees in Chemical Engineering in 2010 and 2013 respectively, from the University of Engineering & Technology Lahore, Pakistan. He has seven years of experience in operations, research & development and health & safety. Currently he is a PhD scholar under the supervision of Professor Shicheng Zhang in the School of Environmental Science and Engineering at Fudan University, China. His research is focused on bioenergy and utilization of waste water generated through hydrothermal treatment from a variety of biomass.
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He has more than 50 ISI publications, and several patents.
James Clark is a Professor of Chemistry at the University of York, and Director of the Green Chemistry Centre of Excellence and the Bio-renewables Development Centre. His research has led to numerous awards including Honorary Doctorates from universities in Belgium, Germany and Sweden. He is a Distinguished Visitor at the University of Cape Town, a Senior Fellow at Fudan University and a Visiting Professor at Sichuan University. He has published over 500 original articles (h index 71) and written or edited over 20 books. He has received numerous prizes including the 2018 Royal Society of Chemistry prize for Green Chemistry.
both pyrolytic and hydrothermal methods for 8 years since the beginning of her PhD. This has culminated in significant findings of the mechanisms of interaction of cellulose and microwaves, and specific decomposition pathways elucidating new research directions. Alice has published more than 20 peer reviewed papers, conference proceedings and book chapters. Alice is also Co-I to several research grants.
biogas upgrading, syngas biomethanation, utilization of wastewater from hydrothermal conversion of biomass
Huihui Chen works in Prof. Shicheng Zhang's research group as a postdoctoral fellow and she obtained her PhD in Environmental Engineering (2018) from Fudan University, China. She had a half year's visiting study experience in 2017 at the Green Chemistry Centre of Excellence and the Bio-renewables Development Centre of University of York. Her research interest is comprehensive utilization of biomass through hydrothermal and anaerobic digestion (AD) technologies. She focused on the wastewater analysis and AD properties from biomass hydrothermal treatment during her doctoral studies and published several high-level research papers on hydrothermal wastewater utilization.
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ISSN:1463-9262
1463-9270
1463-9270
DOI:10.1039/c8gc03957g