Removal of Cd2+ from synthetic wastewater using micellar-enhanced ultrafiltration with hollow fiber membrane

Removal of Cd2+ from synthetic wastewater using micellar-enhanced ultrafiltration with hollow fiber membrane
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使用中空纤维膜胶束增强超滤去除合成废水中的 Cd2

DOI:
10.1016/j.colsurfa.2006.08.017
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发表时间:
2007-02
影响因子:
5.2
通讯作者:
Wu Jiao-yi
Wu Jiao-yi
中科院分区:
化学2区
文献类型:
--
作者:
Xu Ke;Huang Jin-hui;Xi Beidou;Liu Hongliang;Zeng Guang-ming;Huang Guohe;Li Hanbing;Fang Yao-yao;Wu Jiao-yi

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采用聚砜中空纤维超滤膜,以十二烷基硫酸钠(SDS)为表面活性剂,采用胶团强化超滤(MEUF)去除模拟废水中的Cd2+。考察了操作时间、SDS浓度、跨膜压差、溶液pH值、进料电解质浓度以及SDS与Brij的混合浓度等因素对膜分离的影响。结果表明,该催化剂对Cd2+的截留率可达99%。但当人工合成废水为强酸性时,MEUF是不可行的。电解质的存在会降低MEUF的效率,而SDS和Brij的混合物会提高MEUF的效率。
Micellar-enhanced ultrafiltration (MEUF) was used to remove Cd2+from synthetic wastewater by applying polysulfone hollow fiber ultrafiltration membrane and with SDS as surfactant. The effects of some important parameters were investigated, including operating time, the concentration of SDS, transmembrane pressure, solution pH, the concentration of feed electrolyte and the mixture of SDS and Brij. The results show that the rejection of Cd2+can reach 99%. But MEUF is not feasible when the synthetic wastewater is intensively acidic. The presence of electrolyte can decrease the efficiency of MEUF, while the mixture of SDS and Brij can increase it.
DOI: 10.1016/b978-0-12-391927-4.10024-6
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