Research on the quick and efficient recovery of 1-allyl-3-methylimidazolium chloride after biomass pretreatment with ionic liquid-aqueous alcohol system. (December 2017)

• Record Type: Journal Article
• Authors: Liang, Xiaocong; Fu, Yan; Chang, Jie
• Is Part Of: Bioresource technology. Volume 245:Part A(2017)
• Page Start: 760
• Page End: 767
• Publication Date: 2017-12
• Subjects: AmimCl -- Recovery -- Membrane -- Electrodialysis -- Biomass; Biomass -- Periodicals; Biomass energy -- Periodicals; Bioremediation -- Periodicals; Agricultural wastes -- Periodicals; Factory and trade waste -- Periodicals; Organic wastes -- Periodicals; Bioénergie -- Périodiques; Déchets agricoles -- Périodiques; Déchets industriels -- Périodiques; Déchets organiques -- Périodiques; Déchets (Combustible) -- Périodiques; 662.88
• DOI: 10.1016/j.biortech.2017.08.145
• Languages: English
• ISSNs: 0960-8524

Abstract

Graphical abstract: Highlights: No more chemicals introduced to IL systems after IL recovery. Effective recovery of AmimCl after biomass pretreatment. IL recovery ratio reached 93%. IL recovery performance reached 482 g/kw h. Abstract: Membrane-based methodology electrodialysis (ED) was employed for the quick and efficient recovery of ionic liquid AmimCl from the aqueous solutions after biomass pretreatment with AmimCl-aqueous methanol/ethanol systems. IL recovery performance was relatively stable as the variation of IL-alcohol systems employed in the pretreatment process. IL recovery ratio (R) of 66%–71%, IL recovery performance of specific energy consumption (Sp) of 429–467 g/kw h and IL transport rate (Tr) of 5.3–8.2 g/(m 2 min) were obtained by single ED treatment. Enhanced IL recovery performance was resulted with the semi-continuous ED-assisted process with R reached 93% and Sp reached 482 g/kw h. Based on the characteristics of IL solutions, influence of different AmimCl-based solvents pretreatment on IL recovery was discussed and feasibility of electrodialysis treatment for such IL recovery task was also analyzed. Potential gained from this study suggests a feasible methodology for the quick and efficient recovery of ionic liquid after biomass pretreatment.