Research advancement in molten salt-mediated thermochemical upcycling of biomass waste

The thermochemical upcycling of biomass into high value-added fuels and carbon materials in molten salts has attracted much attention in recent years. Molten salts have a wide variety of applications ranging from heat transfer fluids to storage media due to their thermal conductivity, dissolution ab...

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Bibliographic Details
Published inGreen chemistry : an international journal and green chemistry resource : GC Vol. 25; no. 6; pp. 287 - 218
Main Authors Shen, Yafei, Yuan, Xiangzhou
Format Journal Article
LanguageEnglish
Published Cambridge Royal Society of Chemistry 20.03.2023
Subjects
Biomass
Carbon
Catalytic activity
Catalytic converters
Conversion
Electrochemistry
Fuels
Gasification
Green chemistry
Heat transfer
High temperature
Molten salts
Pollutant removal
Pyrolysis
Salts
Solar energy
Thermal conductivity
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Summary:The thermochemical upcycling of biomass into high value-added fuels and carbon materials in molten salts has attracted much attention in recent years. Molten salts have a wide variety of applications ranging from heat transfer fluids to storage media due to their thermal conductivity, dissolution ability, and high catalytic activity. Noteworthily, solar energy can be effectively stored in molten salts, providing high temperature heat for thermochemical conversion of biomass. Many efforts have been made in the development of molten salt-mediated thermochemical processes focusing on hydrolysis, pyrolysis and gasification. This paper discusses the advances in molten salt-mediated thermochemical conversion of biomass into chemicals, fuels and advanced carbon materials. The discussion is concentrated on the mechanisms of the molten salt-mediated thermochemical conversion of biomass. Moreover, fuels and carbon materials obtained by the pyrolysis and gasification processes are highlighted in the aspects of their synthesis processes and applications such as electrochemical applications ( e.g. , supercapacitors) and pollutant removal ( e.g. , adsorption and catalytic degradation). Furthermore, challenges and recommendations regarding various molten salt-mediated thermochemical conversions of biomass in the current stage are outlined. This paper discusses the research development and future challenges in molten salt-mediated thermochemical conversion of biomass waste into chemicals, fuels and advanced carbon materials.
Bibliography:Prof. Dr Yafei Shen received his PhD degree from Tokyo Institute of Technology (2015). Currently, he is working as a professor at the School of Environmental Science and Engineering, Nanjing University of Information Science and Technology, China. He is also employed as a research fellow at Nanyang Environment and Water Research Institute, Nanyang Technological University, Singapore. His research interests include thermochemical upcycling of organic solid waste, and porous carbon material synthesis and application. He has published more than 80 academic papers (citation times: >5700, h-index: 41 in Google Scholar). He was selected as one of the World's Top 2% Scientists by Stanford University.
ISSN:1463-9262
1463-9270
DOI:10.1039/d2gc04872h