%0 Journal Article
%T Adsorption of Cation-nonionic Mixed Surfactants onto Sediment and Their Effects on Adsorption of Nitrobenzene from Water<br>阳-非离子混合表面活性剂对沉积物吸附硝基苯的影响
%A ZHU Li-zhong
%A YANG Kun
%A DONG Shu
%A <br>朱利中
%A 杨坤
%A 董舒
%J 环境科学
%D 2004
%I 
%X Adsorption behaviors of nitrobenzene, a nonionic surfactant(Triton X-100), a cation surfactant(CPC) and their mixture onto a sediment were investigated. The adsorption of Triton X-100 onto the sediment is enhanced with increasing of co-existed CPC at relatively low concentrations but decreased at relatively high concentrations. The adsorption of CPC onto the sediment decreased a little with increasing of co-existed Triton X-100. In natural waters, cation surfactants and nonionic surfactants will be largely adsorbed by soils or sediments. The adsorption of nitrobenzene onto sediment is linear and enhanced by the co-existed Triton X-100 or CPC, and will be significantly enhanced by the mixture of CPC-Triton X-100. Therefore, cation-nonionic mixed surfactants are potentially used to enhance adsorption of organic contaminants onto soils or sediments and to prepare organobentonite for improving their performance in wastewater treatment.
%K surfactant
%K adsorption
%K sediment
%K nitrobenzene<br>表面活性剂
%K 吸附
%K 沉积物
%K 硝基苯
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=3FF3ABA7486768130C3FF830376F43B398E0C97F0FF2DD53&cid=A7CA601309F5FED03C078BCE383971DC&jid=64CD0AA99DD39F69401C615B85F123EF&aid=A4814AC36AD8F6FA&yid=D0E58B75BFD8E51C&vid=C5154311167311FE&iid=38B194292C032A66&sid=F260CE035846B3B8&eid=ED01F5AE50BE09C0&journal_id=0250-3301&journal_name=环境科学&referenced_num=13&reference_num=13