摘要
用阳离子表面活性剂十六烷基三甲基溴化铵与两性离子表面活性剂N,N-二甲基十二烷基甜菜碱复配的混合表面活性剂对天然沸石改性,研究了改性沸石吸附废水中Cr(Ⅵ)和苯酚的相关参数.研究表明:当pH值为6～8,振荡速度为160 r/min,改性剂浓度为2.0%,吸附时间为30 min时,去除率可达90%以上,为废水处理提供了一种新的环保材料,并为天然沸石的开发利用开辟了一条新的途径.
The intermixture of positive ion surfactant Cetyltrimethyl Ammonium Bromide and zwitterion surfactant N,N-C12BE was used to modify the natural zeolite. Correlative parameters of modified zeolite adsorbing Cr（ Ⅵ ） and phenol from wastewater were studied. The results indicate that when the pH is 6-8, the stirring rate is 160 r/min, the modification concentration is 2.0% and the adsorption time is 30 min, the rate of removing is more than 90%, which offers a new kind of environmental protection material for treating wastewater, open up a new way for empoldering and applying nature zeolite.
出处
《华北工学院学报》
EI
2005年第4期282-284,共3页
Journal of North China Institute of Technology
关键词
沸石
改性
吸附
zeolite
modification
adsorption
