1,3-丙二醇发酵液脱盐工艺研究进展  

Research Progress in Desalination Process of 1,3-Propanediol Fermentation Broth

作　　者：陶春平 Tao Chunping(Jiangsu Provincial Engineering Research Center for Green Chlor-alkali Chemical Industry,Changzhou Xindong Chemical Development Co.,Ltd,Jiangsu Changzhou 213034)

机构地区：[1]常州新东化工发展有限公司江苏省绿色氯碱化工工程技术研究中心,江苏常州213034

出　　处：《化工时刊》2021年第8期20-23,共4页Chemical Industry Times

摘　　要：1,3-丙二醇发酵液脱盐是生物法生产1,3-丙二醇提取工艺的难点,本文介绍了离子交换法、刮板薄膜蒸发法、电渗析法、醇沉法、反应萃取法等几种脱盐方法,并分析了各方法的优缺点。针对1,3-丙二醇发酵液脱盐遇到的困难,本文提出从分离工艺和菌株基因改造两个方向共同研究来解决的建议。Desalination of fermentation broth is a bottleneck in the separation process for bio-production of 1,3-propanediol.This paper introduces several desalination methods such as ion exchange,scraper thin film evaporation,electrodialysis,alcohol precipitation and reactive extraction.The advantages and disadvantages of the methods were reviewed.In the face of the difficulties encountered in the desalination process,this paper proposed a solution by combination of the optimization of separation process and the genetic modification of 1,3-propanediol producer.

关 键 词：1 3-丙二醇 脱盐 离子交换 刮板蒸发 电渗析 

分 类 号：TQ923[轻工技术与工程—发酵工程]