HDTMA改性粉煤灰沸石对水中铬酸盐的吸附  

Adsorption of Chromate Onto HDTMA-Zeolitized Fly Ash in Water

作　　者：梁凤焦[1] 李多松[1] 邓霞[1] 

机构地区：[1]中国矿业大学环境与测绘学院,江苏徐州221008

出　　处：《环境科学与管理》2008年第6期50-52,共3页Environmental Science and Management

基　　金：中国矿业大学科技基金资助项目;项目编号:0P061058

摘　　要：以自制HDTMA-粉煤灰沸石为吸附剂,对铬酸盐的吸附进行了实验研究。讨论了吸附剂的投入量、废水pH值、吸附温度和吸附时间等各因素对Cr(VI)去除率的影响。研究表明:pH值对Cr(VI)的吸附效率无显著影响,且在HDTMA-粉煤灰沸石的投加量为20 g/L、吸附温度为30℃、吸附时间为60 min的条件下,Cr(VI)的去除率可达90%左右。The adsorption of chromate onto HDTMA - zeolitized fly ash in water has been studied in this paper. The main factors, such as adding quantity of HDTMA - zeolitized fly ash, pH value, were discussed to the removal efficiency of chromate. Furthermore, the optimal experiment condition has been defined. The results of the test show ： the pH value has no prominent effect on the removal efficiency of Cr（ Ⅵ）, and when the adding quantity of HDTMA - zeolitized fly ash is 20 g/L, temperature and time of adsorption are separately 30℃ and 60min, the removal efficiency of Cr（Ⅵ） carl reach about 90%.

关 键 词：HDTMA 粉煤灰沸石 吸附 

分 类 号：X703.1[环境科学与工程—环境工程]