混合二元酸中丁二酸的分离提纯  

Separation and Purification of Succinic Acid from Mixed Dicarboxylic Acid

作　　者：张晓燕 李世民 ZHANG Xiaoyan;LI Shimin(Technology Genter,China Pingmei Shenma Group,Pingdingshan 406700,China)

机构地区：[1]中国平煤神马集团技术中心

出　　处：《河南化工》2019年第7期19-21,共3页Henan Chemical Industry

摘　　要：丁二酸是一种重要的有机化工原料及中间体,具有优良的物理化学性质,其用途非常广泛。本研究采用重结晶方法对混合二元酸结片进行初步分离,主要针对滤渣中的丁二酸进行分离提纯,探索了料水比、结晶温度、结晶时间等条件对丁二酸纯度和回收率的影响,得到的丁二酸纯度>99.0%。Succinic acid is an important organic chemical raw material and intermediate.It has excellent physical and chemical properties,and its use is very extensive.This research creatively and only using recrystallization method to purified succinic acid,through exploring the ratio of material to water,crystallization temperature,crystallization time and crystallization method influence on crystal purity and recovery rate,under the technological conditions of finally got up to more than 99.0% of the pure succinic acid purity.

关 键 词：混合二元酸 丁二酸 重结晶 

分 类 号：TQ028.3[化学工程]