Sustainability of green solvents - review and perspective

被引:167
作者
Hessel, Volker [1 ,2 ]
Tran, Nam Nghiep [1 ,3 ]
Asrami, Mahdieh Razi [4 ]
Tran, Quy Don [1 ]
Van Duc Long, Nguyen [1 ,2 ]
Escriba-Gelonch, Marc [5 ]
Tejada, Jose Osorio [2 ]
Linke, Steffen [6 ]
Sundmacher, Kai [6 ,7 ]
机构
[1] Univ Adelaide, Sch Chem Engn & Adv Mat, Adelaide, SA, Australia
[2] Univ Warwick, Sch Engn, Coventry, W Midlands, England
[3] Can Tho Univ, Dept Chem Engn, Can Tho, Vietnam
[4] Univ Ulsan, Dept Civil & Environm Engn, Ulsan, South Korea
[5] Univ Lleida, Dept Chem, Lleida, Spain
[6] Otto von Guericke Univ, Proc Syst Engn, Magdeburg, Germany
[7] Max Planck Inst Dynam Complex Tech Syst, Proc Syst Engn, Magdeburg, Germany
关键词
DEEP EUTECTIC SOLVENTS; CATALYTIC TRANSFER HYDROGENATION; LIFE-CYCLE ASSESSMENT; POSTCOMBUSTION CO2 CAPTURE; PHASE-CHANGE SOLVENTS; IONIC LIQUIDS; SELECTIVE HYDROGENATION; CHOLINE CHLORIDE; PROCESS DESIGN; HIGHLY EFFICIENT;
D O I
10.1039/d1gc03662a
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Solvents define pivotal properties for chemical processing and chemical reactions, and can be as game-changing as catalysts. A solvent can be the key to a good chemical process, rather than being just an asset and a reaction space. It determines the solubility, meaning the concentration at which reactants can be processed, determines the stability of excited states, and thus guides the potential-energy curves of activation. As a net outcome, solvents rule over productivity and economic/environmental benefit. Expanding the capabilities of conventional solvents, a new class of so-called master solvents has been proposed and investigated in the last two decades, which have also been termed "green" or "designer" solvents. They comprise first of all ionic liquids and supercritical carbon dioxide, yet also deep eutectic, thermomorphic and fluorous solvents. There is a vast literature on and experience with these solvents and their applications. However, their sustainability has been reported mostly by considering only one class of master solvent and hardly benchmarking several classes. Thus, a comparative, complete, and holistic view of their sustainability is missing. This perspective review aims to fill this gap and focuses on a holistic overview of sustainability assessments of master solvents. It encompasses green chemistry principles, life cycle assessments, and modern circularity evaluations based on the "10R framework"; standing for 10 principles starting with "R" such as recycling, reuse, repair, rethink, remanufacture, and so on. This review will show what "green" actually denotes and means for each class of master solvent when it comes to a 'weighting' by a certified sustainability assessment.
引用
收藏
页码:410 / 437
页数:28
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