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Citation: Zhang Weixing, Chu Naibin, Li Han. A STUDY ON THE STATIC EQUILIBRIUM FOR THREE-EXIT EXTRACTION SEPARATION PROCESS[J]. Chinese Journal of Applied Chemistry, ;1989, 6(5): 93-96. shu

A STUDY ON THE STATIC EQUILIBRIUM FOR THREE-EXIT EXTRACTION SEPARATION PROCESS

1.
Changchun Institute of Applied Chemistry, Academia Sinica

Received Date: 24 October 1988
Available Online: 14 April 1989

The three-exit extraction separation process(TESP) has been widely used in the separation of rare earths. For the simultaneous separation of A/B/C, there are four kinds of TESP. Based on the static equilibrium of A, B and C. in extraction, formulae of the extreme values were derived for determing the separation parameters of the TESP. With computer simulation, parameters for the separation of Gd/Tb/Dy were determined.It is shown that Tb component has been richened from 4.5% to 53.5% with 98% recovery in the experimental test.
- Rare earth,
- Extractive separation,
- Simultaneous separation,
- Formula of extreme value
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