Direct extraction of Mo(VI) from sulfate solution by synergistic extractants in the rotation column

Benyamin Shakib; Meisam Torab-Mostaedi; Mohammad Outokesh; Mehdi Asadollahzadeh

doi:10.1016/j.cjche.2019.11.011

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Direct extraction of Mo(VI) from sulfate solution by synergistic extractants in the rotation column

Separation Science and Engineering | Updated：2026-01-06

- Direct extraction of Mo(VI) from sulfate solution by synergistic extractants in the rotation column
- Chinese Journal of Chemical Engineering Vol. 28, Issue 2, Pages: 445-455(2020)
- Affiliations：
  
  1. Department of Energy Engineering, Sharif University of Technology, P.O. Box 11365-8639, Tehran,Iran
  2. Materials and Nuclear Fuel Research School, Nuclear Science and Technology Research Institute, P.O. Box:11365-8486, Tehran,Iran
- Author bio：
- Funds：
- DOI：10.1016/j.cjche.2019.11.011
  CLC：
- Published：2020
- Accepted：
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Benyamin Shakib, Meisam Torab-Mostaedi, Mohammad Outokesh, Mehdi Asadollahzadeh. Direct extraction of Mo(VI) from sulfate solution by synergistic extractants in the rotation column[J]. Chinese Journal of Chemical Engineering, 2020, 28(2): 445-455.
DOI：

Benyamin Shakib, Meisam Torab-Mostaedi, Mohammad Outokesh, Mehdi Asadollahzadeh. Direct extraction of Mo(VI) from sulfate solution by synergistic extractants in the rotation column[J]. Chinese Journal of Chemical Engineering, 2020, 28(2): 445-455. DOI： 10.1016/j.cjche.2019.11.011.

摘要

Abstract

Direct extraction of molybdenum from sulfate solution with synergistic extractants (mixture of D

EHPA and TBP) was studied in the rotation column. The influence of extractant concentration and initial pH of aqueous phase was studied in the bench scale experiments. The outcomes demonstrated that the synergistic solvent extraction enhances the constancy of the extracted complexes for transfer into the organic phase. In the continuous experiments

the effect of different operating parameters such as speed of agitation

inlet solvent flow rate and inlet aqueous flow rate on the holdup

mean drop size

drop size distribution

slip and characteristic velocities and extraction percentage were examined. Modified correlations were proposed for prediction of hydrodynamic parameters with consideration of reaction extraction condition in the rotation column. Furthermore

these correlations were compared with the experimental data. According to the results

the direct extraction of Mo (VI) from aqueous solution and sulfuric media with extraction efficiency of 90.4% was obtained at higher rotor speed (240 r·min

-1

rpm) in this column.

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