精苯废酸工艺的萃取剂再生研究  

Study on the extractant recycling of waste acid from benzene refining

作　　者：李其祥[1] 吴高明[2] 靳美程[2] 史世庄[1] 刘萃霞[2] 毛磊[1] 

机构地区：[1]武汉科技大学化工学院,湖北武汉430081 [2]武汉钢铁集团公司,湖北武汉430083

出　　处：《应用化工》2007年第3期229-231,共3页Applied Chemical Industry

基　　金：武汉市科技计划项目(20066002049)

摘　　要：采用盐析萃取工艺对焦化精苯废酸进行治理回收利用,以粗酚作萃取剂,向萃取相中掺入3%-5%的阻垢剂,成功地解决了萃取剂蒸馏再生时起泡、结渣的问题。对再生萃取剂的组成进行了GC/MS分析,结果表明,在萃取剂重复再生使用后,其酚相组成基本没有变化,因此,萃取剂可重复再生使用。In this paper, the process of the extractant recycling by salting-out extraction treatment was studied, some problems caused by distillation of extractant can be solved through 3% - 5% scale inhibitor added, and the composition of extractant after recycling was analyzed by GC/MS. The results showed that the main compositions of the recovered extracting agent had no significant difference from the crude phenol and the extracting agent could be reused.

关 键 词：精苯废酸 盐析萃取 萃取剂 再生 

分 类 号：X703[环境科学与工程—环境工程]