摘要
通过自制的新型超高交联吸附树脂ZF01和ZF02与常用的吸附树脂Amberlite XAD-4对去除水溶液中的氯仿、三氯乙烯和2,4-二氯苯酚进行比较。结果表明,ZF01和ZF02的吸附能力均大于XAD-4,可用于去除水中不同浓度的氯仿和三氯乙烯。其中,ZF02树脂对各有机物的吸附量最大,分别为0.379、0.394和2.744mmol/g,并具有较好的脱附再生性能。在自来水小柱吸附试验中,ZF01和ZF02两种超高交联吸附剂对水中三氯甲烷和三氯乙烯去除率达到96%-98%;当流量60ml/min时,两种污染物残余浓度仅约0.50μg/L,表明ZF01和ZF02能有效地吸附自来水中微量氯化消毒副产物,可应用于饮用水深度净化处理工艺。
Two novel hypercrosslinked adsorption resins ZF01 and ZFO2 were employed to remove trichloromethane, trichloroethylene and 2,4 -dichlorophenol from aqueous solution, and the result was compared with that of adsorbent Amberlite XAD-4. The adsorption and desorption experiments showed that the adsorptive capacities of ZFO1 and ZFO2 are all superior to that of XAD - 4, and thus can be used to remove trichloromethane and trichloroethylene of various concentrations from water. On the other hand, ZFO2 resin exhibited maximum adsorptive capacity and optimum desorption property. Its maximum adsorption capacities for trichloromethane, trichloroethylene and 2,4 -dichlorophenol are 0.379,0.394 and 2.7ddmmol/g, respectively. With column adsorption test using tap water, the removal rate of trichloromethane and trichloroethylene by ZFO1 and ZFO2 is around 96% - 98%, and the residual concentration of the two contaminants is only about 0.50μg/L. It is thus-suggested the two polymeric adsorbents ZFO1 and ZFO2 can effectively adsorb the by - products of micro level generated from chlorination disinfection operation, and can therefore be used in advanced purification process for drinking water.
出处
《嘉兴学院学报》
2007年第6期62-66,共5页
Journal of Jiaxing University
关键词
树脂
吸附
氯化消毒副产物
饮用水净化
resin
adsorption
by-products from chlorination disinfection
purification of drinking water
作者简介
齐军（1984-），男，内蒙古海拉尔人，嘉兴学院生物与化学工程学院环境工程专业051班学生
