Ganzhou Non Ferrous Metallurgy Research Institute

Ganzhou, China

Ganzhou Non Ferrous Metallurgy Research Institute

Ganzhou, China

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Yang L.,Ganzhou Non Ferrous Metallurgy Research Institute | Wang L.,Ganzhou Non Ferrous Metallurgy Research Institute | Lai H.,Ganzhou Non Ferrous Metallurgy Research Institute | Zhou J.,Ganzhou Non Ferrous Metallurgy Research Institute | And 2 more authors.
Xiyou Jinshu/Chinese Journal of Rare Metals | Year: 2011

The extraction behavior of rubidium and cesium with t-BAMBP was examined in different diluents of dimethylbenzene and diethylbenzene. The influence of extraction temperature, concentration of t-BAMBP, shake time, shake speed, alkalinity of feed solution and phase ratio of extraction on the extraction were studied, then the different effects on examine factors of two diluents were compared. The results showed that the separation coefficient was smaller but the distribution ratio was bigger when the diluent was dimethylbenzene; the separation coefficient was larger but the distribution ratio was smaller when the diluent was diethylbenzene; the influence of temperature was more significantly when the diluent was dimethylbenzene and low temperature was benefit for the extraction of rubidium and cesium; distribution ratio and separation coefficient increased with the increase of concentration of t-BAMBP whether the diluent was dimethylbenzene or diethylbenzene, but the viscosity increased with the rise of concentration of t-BAMBP, the speed of phase separation was influenced; the extraction reaction of rubidium and cesium with t-BAMBP was rapid, the balance was reached in 5 min whether the diluent was dimethylbenzene or diethylbenzene; the influence of shake speed was more significantly when the diluent was diethylbenzene and the appropriate shake speed was 180~200 r·min-1; distribution ratio and separation coefficient increase with the increase of alkalinity of feed solution and the appropriate concentration of OH- of feed solution were 1.0 mol·L-1 whether the diluent was dimethylbenzene or diethylbenzene; distribution ratio and separation coefficient reached maximum when the phase ratio of extraction O/A was 1/1 and 2/1 respectively in diluent of dimethylbenze ne and diethylbenzene.

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