期刊文献

Efficient extraction and recovery of Lignosulfonate using sunflower oil as green solvent in liquid membrane transport: Equilibrium and kinetic study 收藏

使用向日葵油作为液体膜转运中的绿色溶剂有效提取和回收木质素磺酸盐：平衡和动力学研究

原文求助发布源

作者

VikasKumar;Raghubansh K.Singh;PradipChowdhury;

作者单位

Department of Chemical Engineering, National Institution of Technology Rourkela, Rourkela 769008, Odisha, India

关键词

Lignosulfonate; Sunflower oil; Tri-n-octylamine; Bulk liquid membrane; Transport kinetics;

关键词译文

木质素磺酸盐;葵花籽油;三正辛胺;散装液膜;运输动力学;

发布日期

25 November 2018

页码

109-122

DOI

10.1016/j.jiec.2018.06.021

来源信息

Journal of Industrial and Engineering Chemistry ISSN：1226-086X, 2018年, 67卷, 109-122页

摘要

This work highlights extraction and removal of Lignosulfonate using sunflower oil-Tri-n-octylamine (TOA) system in bulk liquid membrane transport. Maximum extraction and recovery percentages of 92.4% and 75.2% were achieved. Optimum manifold operating conditions were: 4 vol.% TOA, 2 ± 0.1 feed phase pH, 300 rpm stirring speed, at 40 °C with 0.2 (M) Na₂SO₄ solution. 1:2 (organic/aqueous) and 1:1 (aqueous/aqueous) phase ratios produced best results. Extraction (36.85 kJ/mol) was found to be intermediate controlled and stripping (54.79 kJ/mol) was chemical reaction controlled. Kinetic estimation of data with higher rate constants for stripping vis-à-vis extraction showed latter to be rate determining.

摘要译文

这项工作突出了使用向日葵油 - 三正辛胺（TOA）系统在散装液体膜运输中提取和去除木质素磺酸盐。最大提取和回收率分别达到92.4％和75.2％。最佳歧管操作条件为：4体积％TOA，2±0.1进料相pH，300rpm搅拌速度，40℃下使用0.2（M）Na 2 SO 4溶液。 1：2（有机/含水）和1：1（含水/含水）相比产生最佳结果。发现萃取（36.85kJ / mol）是中间控制的，并且剥离（54.79kJ / mol）是化学反应控制的。具有较高速率常数的数据的动力学估计用于相对于提取的剥离显示后者是速率确定。

VikasKumar;Raghubansh K.Singh;PradipChowdhury;. Efficient extraction and recovery of Lignosulfonate using sunflower oil as green solvent in liquid membrane transport: Equilibrium and kinetic study[J]. Journal of Industrial and Engineering Chemistry, 2018,67: 109-122