用DBA为流动载体的液膜法分离富集苯酚

Separation and enrichment of phenol by DBA(N,N′- dibutyl acetamide as mobile carrier with liquid mem

摘要: 用 DBA(N,N′二甲庚基乙酰胺 ,简称 DBA)、L1 1 3 B、液体石蜡、磺化煤油和内相 Na OH溶液液膜体系 ,研究了苯酚的迁移富集行为 ,确定了乳状液膜迁移富集苯酚的最佳适宜条件 .苯酚在 1 0 min内 ,迁移率达 99.5 %以上 .在此条件下 ,一般常见共存离子都不迁移透过此乳状液膜 .只有苯酚能从共存离子中得到满意的分离 .此法已成功地应用到富集测定水和工业废水中的微量苯酚 ,结果相当满意

Abstract: The transport and enrichment of phenol through the liquid membrane of DBA(N,N′ dibutyl acetamide,abbreviated as DBA),L113B,liquid paraffin,sulphonated kerosene and the internal phase(NaOH solution)system were studied and the optimal experimental conditions for transoprting and enrichment phenol were obtained.The transport rate in 10 min is above 99.5%.In this case many co existed ions can not transport through this emulsion liquid membrane.So phenol can be separated from co existedions satisfactorily.The...