Micellar-enhanced ultrafiltration (MEUF) with mixed surfactants for removing Cu(II) ions

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題名:	Micellar-enhanced ultrafiltration (MEUF) with mixed surfactants for removing Cu(II) ions
作者:	李奇旺;Li, Chi-wang;Liu, Chuan-kun;Yen, Wei-shuen
貢獻者:	淡江大學水資源及環境工程學系
關鍵詞:	MEUF;Mixed surfactants;Copper removal;Membrane fouling
日期:	2006-04-01
上傳時間:	2010-03-26 16:37:57 (UTC+8)
出版者:	Elsevier
摘要:	A nonionic surfactant, polyoxyethylene Octyl phenyl ether (Triton-X), is added to a micellar-enhanced ultrafiltration process to lower the critical micellar concentration (CMC) of an anionic surfactant, sodium dodecyl sulfate (SDS). The effects of adding Triton-X on the copper removal efficiency, the permeate SDS concentration, the copper binding capacity of SDS micelles, and membrane fouling are investigated. Our results show that the addition of Triton-X at concentrations greater than its CMC can reduce the SDS dosage required for effective Cu removal, and at the same time, minimize the permeate SDS concentration. Although, no adverse effect on the copper binding capacity of SDS micelle is observed by the addition of Triton-X, the membrane fouling is worsen. Cleaning the membrane with DI water allowed restoring the membrane flux, indicating that the fouling caused by Triton-X was reversible.
關聯:	Chemosphere 63(2), pp.353-358
DOI:	10.1016/j.chemosphere.2005.07.017
顯示於類別:	[水資源及環境工程學系暨研究所] 期刊論文

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