Recovery of niobium from wastes generated in titanium production by cation exchange sorbents

О.S. Baigenzhenov; А.М. Toishybek; А.Т. Khabiyev; I.O. Aimbetova; A.T. Dagubayeva

doi:10.31643/2021/6445.33

Authors

О.S. Baigenzhenov Satbayev University, Almaty, Kazakhstan
А.М. Toishybek Satbayev University, Almaty, Kazakhstan
А.Т. Khabiyev Satbayev University, Almaty, Kazakhstan
I.O. Aimbetova Akhmet Yassawi International Kazakh-Turkish University, Turkestan, Kazakhstan.
A.T. Dagubayeva RSE «National Center on complex processing of mineral raw materials of the Republic of Kazakhstan», Almaty, Kazakhstan.

DOI:

https://doi.org/10.31643/2021/6445.33

Keywords:

chloride wastes, leaching, niobium sorption, cation exchange sorbents.

Abstract

This article presents the technology of niobium recovery by processing of chloride residues generated during the chlorination of titanium slags. For waste processing, a two-stage leaching technology is proposed. Water is used at the first stage of leaching and hydrochloric acid 4.0 M is used at the second stage. For the purpose of sorption of niobium from the solution composition obtained during leaching, cation-exchange sorbents Purolite-C104 and KU-2-8 H were used. By the usage of Purolite-C104 ion exchange resin the sorption efficiency of niobium from a solution with a concentration of 2 g/l was about 71.0 % (0.071 g/g) in 3.5 hours, while for KU-2-8 H ion exchange resin, sorption efficiency was about 89.0 % (0.089 g/g).

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Author Biographies

О.S. Baigenzhenov, Satbayev University, Almaty, Kazakhstan

Doctor Ph.D., Assoc. Professor. Non-commercial joint-stock company "Satbayev University", the department "Metallurgical processes, heat engineering and technology of special materials", Almaty, Kazakhstan

А.М. Toishybek, Satbayev University, Almaty, Kazakhstan

Ph.D. student. Non-commercial joint-stock company "Satbayev University", the department "Metallurgical processes, heat engineering and technology of special materials", Almaty, Kazakhstan.

А.Т. Khabiyev, Satbayev University, Almaty, Kazakhstan

Doctor Ph.D., Assoc. Professor. Non-commercial joint-stock company "Satbayev University", the department "Metallurgical processes, heat engineering and technology of special materials", Almaty, Kazakhstan.

I.O. Aimbetova, Akhmet Yassawi International Kazakh-Turkish University, Turkestan, Kazakhstan.

Candidate of Technical Sciences, Associate Professor of the International Kazakh-Turkish University
named after Khoja Ahmed Yasawi, Turkestan, Kazakhstan.

A.T. Dagubayeva, RSE «National Center on complex processing of mineral raw materials of the Republic of Kazakhstan», Almaty, Kazakhstan.

Master of Technical Sciences, junior researcher, RSE «National Center on complex processing of mineral raw materials of the Republic of Kazakhstan», Almaty, Kazakhstan.

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