Extraction and mass transfer of glyoxylic acid in a capillary microchannel

IF 2 4区 化学 Q3 CHEMISTRY, MULTIDISCIPLINARY
Junnan Wang, Yating Li, Ting Wang, Tianyang Feng, Chunying Zhu, Youguang Ma, Taotao Fu
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引用次数: 0

Abstract

A solvent extraction system for extracting glyoxylic acid from aqueous solutions by using trioctylamine in n-octanol in a microchannel is developed, operating in the slug flow regime. The extraction system is composed of two preheating capillary loops, a T-junction micromixer, and a capillary microchannel. The influences of the volume ratio of the organic phase to the aqueous phase (O/A ratio), temperature, concentration of trioctylamine, total flow rate, and residence time on extraction and mass transfer are systematically investigated. A relationship between the total volumetric mass transfer coefficient and the capillary number, Reynolds number, capillary diameter and length is proposed. This study holds significant implications for the efficient extraction of glyoxylic acid in microchannels.

毛细管微通道中乙醛酸的提取和传质
开发了一种在段塞流状态下使用三辛胺和正辛醇在微通道中萃取乙醛酸的溶剂萃取系统。萃取系统由两个预热毛细管回路、一个t型结微混合器和一个毛细管微通道组成。系统考察了有机相与水相体积比(O/A比)、温度、三辛基胺浓度、总流速、停留时间等因素对萃取和传质的影响。提出了总体积传质系数与毛细数、雷诺数、毛细直径和毛细长度的关系式。本研究对微通道中乙醛酸的高效提取具有重要意义。
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来源期刊
Journal of Flow Chemistry
Journal of Flow Chemistry CHEMISTRY, MULTIDISCIPLINARY-
CiteScore
6.40
自引率
3.70%
发文量
29
审稿时长
>12 weeks
期刊介绍: The main focus of the journal is flow chemistry in inorganic, organic, analytical and process chemistry in the academic research as well as in applied research and development in the pharmaceutical, agrochemical, fine-chemical, petro- chemical, fragrance industry.
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