摘要
对泡沫分离法除去水溶液中微量硫酸铜及曙红Y的工艺进行研究,以十二烷基苯磺酸(DBSA)和十六烷基三甲基氢氧化铵(CTAOH)作为表面活性物质研究除去水溶液中的硫酸铜及色素曙红Y,将脱盐和脱色有机的结合在一起.考察了表面活性剂浓度、pH、气速和装液量对分离效果的影响.确定了最佳操作工艺,在DBSA浓度0.23g/L,CTAOH浓度0.12 g/L,pH5/pH6;气速150mL/min,装液量300mL时,Cu2+的去除率为97.2%,富集比为10.8;SO24的去除率为91.2%,富集比为7.4;曙红Y的去除率为95.1%,富集比为8.5.实验结果说明,通过先后加入DBSA和CTAOH两种活性剂,实现了盐离子和色素的同时去除,且泡沫分离过程结束不会引入新的盐离子解决了离子残留问题,脱盐脱色获得了良好的效果.
In this work,dodecyl benzene sulphonic acid（DBSA） and（1-Hexadecyl） trimethyl ammonium hydroxide（CTAOH） were used as surfactants for studying removal of CuSO4 and eosin Y from aqueous solution by foam separation.The processes of desalination and decolorization were integrated as one process.The effects of surfactants concentration,pH,gas flow rate,loading volume on the removal percentage and the enrichment ratio were studied.Under the optimized conditions,the removal percentages of Cu2＋,SO42 and eosin Y were 97.2%,91.2% and 95.1%,respectively;the enrichment ratios of Cu2＋,SO42 and eosin Y were 10.8,7.4 and 8.5,respectively.The results indicated that the method has been proved to be effective for desalination and decolorization without introducing new ions by adding DBSA and CTAOH into aqueous solution.
出处
《河北工业大学学报》
CAS
北大核心
2011年第2期50-54,共5页
Journal of Hebei University of Technology
基金
天津市应用基础及前沿技术研究计划重点项目(08JCZDJC25200)
关键词
泡沫分离
脱盐脱色
表面活性剂
去除率
富集比
气泡
foam separation
desalination
decolorization
surfactant
removal percentage
enrichment ratio
bubbles
