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Recovery of molybdenum by solvent extraction from simulated high level liquid waste

  • Santosh S. Chikkamath
  • Dinesh M. Patil
  • Anand S. Kabadagi
  • Vaidehi S. Tripathi
  • Aishwarya S. Kar
  • Jayappa ManjannaEmail author
Article

Abstract

In this study, simple and a rapid solvent extraction method is investigated to recover Mo(VI) from simulated HLLW. The (NH4)6Mo7O24·4H2O dissolved in 3 M HNO3 was treated with ascorbic acid and KSCN to form orange red colored Mo(V)-SCN. Reduction of Mo(VI) was confirmed by cyclic voltammetry. The freshly formed complex was completely extracted to ethyl acetate layer. The organic solvent could be recovered using rotary evaporator. The Mo-complex disproportionated gradually to form a yellow solid, Mo(OH)2(SCN)3·6H2O, which forms MoO3 @ 400 °C. The solid product was characterized by XRD, FT-IR, EDX, TG–DSC and SQUID measurements.

Graphic abstract

Keywords

Molybdenum(VI) HLLW Solvent extraction Ethyl acetate Mo(V)-SCN complex 

Notes

Acknowledgements

Authors are thankful to funding agencies, BRNS, Dept of Atomic energy [37(2)/14/20/2015/BRNS] and DST-FIST, Ministry of Science and Technology [SR/FST/CSI-273/2016], Govt. of India.

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Copyright information

© Akadémiai Kiadó, Budapest, Hungary 2019

Authors and Affiliations

  • Santosh S. Chikkamath
    • 1
  • Dinesh M. Patil
    • 1
  • Anand S. Kabadagi
    • 1
  • Vaidehi S. Tripathi
    • 2
  • Aishwarya S. Kar
    • 3
  • Jayappa Manjanna
    • 1
    Email author
  1. 1.Department of ChemistryRani Channamma UniversityBelagaviIndia
  2. 2.Radiation and Photochemistry DivisionBARCMumbaiIndia
  3. 3.Radioanalytical Chemistry DivisionBARCMumbaiIndia

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