Sorption of rhenium by carbon composite from nitric acid leaching solution of product of copper-molybdenum sulfide ore pro-cessing

Authors

DOI:

https://doi.org/10.17308/sorpchrom.2025.25/13571

Keywords:

sorption, rhenium, carbon composite, fluoropolymer, batch experiments, kinetics, molybdenum sulfide, nitric acid leaching

Abstract

The article is devoted to the study of the sorption characteristics of carbon composites in comparison with the AC grades VSK and Tatsorb, which serve as the basis of the composites, and the macroporous weakly basic resin Purolite A170 during the sorption of rhenium from solutions of nitric acid leaching of middlings of molybdenum. The degree of rhenium extraction from solutions of nitric acid leaching of middlings of molybdenum by carbon composites based on carbon grades Tatsorb and VSK was 41 and 86.2%, and the degree of rhenium desorption was 28.1 and 55.1%, respectively. The effect of nitrate ion on the sorption of rhenium by carbon composites was preliminarily studied. Nitrate ion reduces the capacity of carbon composites based on AC grades Tatsorb and VSK by 3.5 times in the range of anion concentrations up to 20 mg/dm3. The obtained integral kinetic curves of rhenium sorption by carbon composites indicate a high rate of rhenium sorption in the initial period of time. The process of complete rhenium sorption by the composite based on Tatsorb grade AС coal occurs within 1 hour, and based on VSK grade AС coal within 2 hours. The integral kinetic curve of rhenium sorption by the carbon composite based on VSK grade coal is best described by the pseudo-second-order model (R2 0.9924) with a constant K2 1.55·10-2 g·mg-1·min-1, and based on Tatsorb grade coal by the pseudo-first-order model (R2 0.9850) with a constant K1 2.4·10-2 min-1.

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Author Biographies

  • Alisa V. Bardysh, D. Mendeleev University of Chemical Technology of Russia, Moscow

    graduate student Mendeleev University of Chemical Technology, Moscow, Russian Federation, ORCID iD 0000-0003-0538-4376, e-mail: bardysh0101@mail.ru

  • Irina D. Troshkina, D. Mendeleev University of Chemical Technology of Russia, Moscow,

    Doctor of Technical Sciences, Professor, Chair of technology of rare elements and nanomaterials, Mendeleev University of Chemical Technology, Moscow, Russian Federation, ORCID iD 0000-0002-5523-0247, e-mail: troshkina.i.d@muctr.ru

  • Sitorabonu N. Rasulova, Institute of General Inorganic Chemistry of the Academy of Sciences of the Republic of Uzbekistan, Tash-kent,

    Chief Researcher, Laboratory of Metallurgical Processes and Technogenic Raw Materials, Institute of General and Inorganic Chemistry, Academy of Sciences of the Republic of Uzbekistan, Doctor of Chemical Sciences, Russian Federation, ORCID iD 0000-0001-6592-9492, e-mail: sitora_r91@gmail.ru

  • Khayitali F. Adinaev, Institute of General Inorganic Chemistry of the Academy of Sciences of the Republic of Uzbekistan, Tash-kent,

    Chief Researcher, Laboratory of Metallurgical Processes and Technogenic Raw Materials, Institute of General and Inorganic Chemistry, Academy of Sciences of the Republic of Uzbekistan, Doctor of Chemical Sciences, Russian Federation, ORCID iD 0000-0001-6592-9492, e-mail: sitora_r91@gmail.ru

  • Vitaly P. Guro, Institute of General Inorganic Chemistry of the Academy of Sciences of the Republic of Uzbekistan, Tash-kent

    Head of the Laboratory of Metallurgical Processes and Technogenic Raw Materials, Institute of General and Inorganic Chemistry, Academy of Sciences of the Republic of Uzbekistan, Doctor of Chemical Sciences, Professor, Tashkent, Republic of Uzbekistan, ORCID iD 0000-0001-5765-0408, e-mail: vpguro@gmail.com 

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Published

2026-02-10

Issue

Vol. 25 No. 6 (2025): Sorbtsionnye i Khromatograficheskie Protsessy

Section

Статьи

How to Cite

Sorption of rhenium by carbon composite from nitric acid leaching solution of product of copper-molybdenum sulfide ore pro-cessing. (2026). Sorbtsionnye I Khromatograficheskie Protsessy, 25(6), 868-878. https://doi.org/10.17308/sorpchrom.2025.25/13571

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