Influence of organic solvent on the separation of an ionic liquid from a lignin-ionic liquid mixture.

Abstract:

:Sixteen solvents added in lignin-ionic liquid mixture provide four types of solubility characteristics. The distinct characteristics can be classified by considering solubility parameters including ET Scale, Kamlet-Taft parameters and solubility parameters. Group 1 solvent shows promising solvents for lignin-ionic liquid separation, contributing full dissolution of ionic liquid with lignin precipitation. Isopropanol, the most potential solvent has solubility properties as following normalized molar electronic transition energies (ET(N))=0.57, hydrogen-bond acidity (α)=0.76 and Hildebrand solubility parameter (δT)=23.58. This study examines potential solvents for ionic recovery, provides simple method of separation and leads to the feasibility of using ionic liquids in industrial applications.

journal_name

Bioresour Technol

journal_title

Bioresource technology

authors

Weerachanchai P,Lim KH,Lee JM

doi

10.1016/j.biortech.2014.01.077

subject

Has Abstract

pub_date

2014-03-01 00:00:00

pages

404-7

eissn

0960-8524

issn

1873-2976

pii

S0960-8524(14)00102-3

journal_volume

156

pub_type

杂志文章