废水中十六烷基三甲基溴化铵的Fenton氧化降解  

Research on the degradation of cationic surfactant CTAB by Fenton process in waste water

作　　者：黄焕标[1] 尹平河[1] 赵玲[1] 

机构地区：[1]暨南大学化学系,广东广州510632

出　　处：《暨南大学学报（自然科学与医学版）》2009年第3期288-292,共5页Journal of Jinan University(Natural Science & Medicine Edition)

基　　金：广东省自然科学基金重点项目(04105835);广东省教育厅学科建设重点项目

摘　　要：研究了废水中阳离子表面活性剂十六烷基三甲基溴化铵(CTAB)的Fenton氧化降解.考察了H2O2及Fe2+的浓度、pH值和反应时间对去除效果的影响.优化后的降解反应的条件是:pH为3.0,H2O2与CTAB浓度质量比为1∶2.3,Fe2+质量浓度为20.0 mg.L-1.当CTAB初始质量浓度为20.0 mg.L-1时,在最佳反应条件下,CTAB的去除率可在30 m in达到90%以上,H2O2浓度的增大有助于提高TOC的去除率.降解产物中检出CHOOH和CO2等.实验结果表明Fenton氧化降解法可以快速有效除去废水中的季铵盐阳离子表面活性剂.The degradati mental conditions of Fenton on of cationic surfactant CTAB by Fenton process was studied. The experi- process were discussed. The influence of pH, H2O2 dosage, Fe^2＋ concentration, reaction time on the degradation of CTAB was investigated. The optimal conditions are as follows： m（H2O2） m/（CTAB） is 1：2. 3, H2O2 dosage is 8.0 mg.L^-1, Fe^2＋ concentration is 20. 0 mg.L^-1, pH is 3. 0, Under these optimal conditions the removal of CTAB reached up to 90% within 30 min. TOC removal rate increased with H2 O2 dosage. CHOO^- and CO2 were found in degradation products. The result shown Fenton process was capable of removing CTAB in a short time.

关 键 词：十六烷基三甲基溴化铵 FENTON试剂 去除 离子色谱 降解 

分 类 号：X131.2[环境科学与工程—环境科学]