Fenton试剂法对苯系物的同步控制研究  

Study on Controlling Benzene Series by Fenton Reagent Treatment

作　　者：谢奕标 XIE Yi-biao(Guangdong Industry Polytechnic,Guangdong Guangzhou 510260,China)

机构地区：[1]广东轻工职业技术学院,广东广州510260

出　　处：《广州化工》2023年第10期51-54,78,共5页GuangZhou Chemical Industry

摘　　要：组建Fenton试剂处理装置,利用有机气体发生装置同时产生四种苯系物,研究表明Fenton试剂对苯、甲苯、乙苯和对二甲苯的去除过程符合一级反应动力学模式,对苯系物同步降解速率大小为:对二甲苯>苯>甲苯>乙苯;过低或过度的pH值均不利于苯系物的去除,在实验条件下最佳初始pH值为2~3、适宜的反应温度为40~50℃、在H_(2) O_(2) /Fe^(2+)比例4~6之间时,甲苯、乙苯、苯、对二甲苯的去除率最高。Setting up a Fenton reagent treatment device,the research focused on the four types of benzene,by simulating the reaction with the organic gas generator.The results showed that the removal process of p-benzene,toluene,ethylbenzene and p-xylene by Fenton reagent conformed to the first-order reaction kinetics model,and the synchronous degradation rate of p-benzene series was p-xylene>benzene>toluene>ethylbenzene.In this case,it was not conducive to have an excessive low or excessive high pH value for the removal of benzene.Under the experimental conditions,the optimum initial pH value was 2~3,the suitable reaction temperature was 40~50℃as well as when H_(2) O_(2) /Fe^(2+)ratio was between 4~6,the removal rate among toluene,ethylbenzene,benzene and para-xylene was the highest.

关 键 词：FENTON试剂 苯系物 去除率 

分 类 号：X830.2[环境科学与工程—环境工程]