Cobalt Ion Extraction by 2-Ethylhexyl Phosphoric Acid Mono-2-Ethylhexyl Ester Microemulsion Saponified

Du Shu Huang; Jin Hong Yin; Xian Shu Lv; Yan Xu; Jie Wu

doi:10.4028/www.scientific.net/AMR.1015.476

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 1015Cobalt Ion Extraction by 2-Ethylhexyl Phosphoric...

Cobalt Ion Extraction by 2-Ethylhexyl Phosphoric Acid Mono-2-Ethylhexyl Ester Microemulsion Saponified

Abstract:

The extraction process of cobalt using microemulsion system saponified with P₅₀₇ as extracting agent was studied. The influences of initial concentration, the concentration of P₅₀₇, initial pH, the extracting time and the volume ratio of organic phase to water phase on extraction coefficient were also studied. Experimental results show that the saponification microemulsion system using P₅₀₇ as extractant is thermodynamic stable, and it can separate cobalt better. The optimum conditions were achieved as: the initial concentration is 0.04 mol/L, pH is 2; The concentration of P₅₀₇ is 6%, extraction time is 6 min; The volume ratio of organic phase to water phase is 1.5:1.

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Periodical:

Advanced Materials Research (Volume 1015)

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476-479

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https://doi.org/10.4028/www.scientific.net/AMR.1015.476

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Online since:

August 2014

Authors:

Du Shu Huang*, Jin Hong Yin, Xian Shu Lv, Yan Xu, Jie Wu

Keywords:

Cobalt, Extraction, Microemulsion, Saponify

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