Recovery of Sc3+ from Red Mud Leaching Solution by Emulsion Liquid Membrane

Abstract:

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In this paper, recovery of scandium from red mud leaching solution by emulsion liquid membrane (ELM) was studied. Composition of ELM is P507+ span80 + sulfonated kerosene + HCl. Effects of mobile carrier and surfactant concentration, Roi, Rwe, internal and external aqueous phase acidity on the extracting rate of Sc3+ were studied. Results show that it is feasible for ELM extracting Sc3+ from the red mud leaching solution. The optimum condition for ELM extracting scandium from the red mud is P507%=8%, Span80%=7%, Roi=2:3, Rwe=6, internal aqueous c(HCl)=2 mol/L, external aqueous phase pH=2. The extracting rate of Sc3+ can reach to 98% under optimal condition.

Info:

Periodical:

Advanced Materials Research (Volumes 335-336)

Edited by:

Yun-Hae Kim, Prasad Yarlagadda, Xiaodong Zhang and Zhijiu Ai

Pages:

1465-1468

DOI:

10.4028/www.scientific.net/AMR.335-336.1465

Citation:

C. Z. Wang et al., "Recovery of Sc3+ from Red Mud Leaching Solution by Emulsion Liquid Membrane", Advanced Materials Research, Vols. 335-336, pp. 1465-1468, 2011

Online since:

September 2011

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Price:

$35.00

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