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	Recovery and Extraction of Tetravalence Cerium with Stripping Renewal Hollow Fiber Liquid Membrane
	Pei L.
	2012
关键词	stripping renewal hollow fiber liquid membrane di(2-ethylhexyl) phosphoric acid cerium renewal phase trivalent gadolinium carrier separation transport d2ehpa
英文摘要	The Ce4+ extraction of stripping renewal hollow fiber liquid membrane (SRHFLM) containing kerosene as a membrane solvent and di(2-ethylhexyl) phosphoric acid (P204) as a flowing carrier was investigated. The effects of acidity in the feed phase, volume ratio of membrane solution to H2SO4 solution, concentration of H2SO4 solution and concentration of carrier in the renewal phase on extraction of Ce4+ have also been studied, respectively. As a result, the optimum extraction conditions of Ce4+ are obtained, i.e. the concentration of H2SO4 solution is 2.50 mol/L, the concentration of P204 is 0.200 mol/L, and the volume ratio of membrane solution to H2SO4 solution is 2:1 in the renewal phase, and the acidity is 0.05 mol/L in the feed phase. When the initial concentration of Ce4+ is 1.00 x 10(-4) mol/L, the extraction efficiency of Ce4+ is up to 92.2 % in 45 min. The permeability coefficient kinetic equation of Ce4+ extraction in SRHFLM is developed.
出处	Rare Metal Materials and Engineering
卷	41
页	632-635
收录类别	SCI
语种	英语
ISSN号	1002-185X
内容类型	SCI/SSCI论文
源URL	[http://ir.igsnrr.ac.cn/handle/311030/30796]
专题	地理科学与资源研究所_历年回溯文献
推荐引用方式 GB/T 7714	Pei L.. Recovery and Extraction of Tetravalence Cerium with Stripping Renewal Hollow Fiber Liquid Membrane. 2012.

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