A depressant for marmatite flotation: Synthesis, characterisation and floatation performance

Tichen Wang; Guiju Sun; Jiushuai Deng; Hongxiang Xu; Guoyong Wang; Mingzhen Hu; Qizheng Qin; Xiaohao Sun

doi:10.1007/s12613-022-2586-1

Volume 30 Issue 6

Jun. 2023

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Article Navigation > International Journal of Minerals, Metallurgy and Materials > 2023 > 30(6): 1048-1056

Tichen Wang, Guiju Sun, Jiushuai Deng, Hongxiang Xu, Guoyong Wang, Mingzhen Hu, Qizheng Qin, and Xiaohao Sun, A depressant for marmatite flotation: Synthesis, characterisation and floatation performance, Int. J. Miner. Metall. Mater., 30(2023), No. 6, pp. 1048-1056. https://doi.org/10.1007/s12613-022-2586-1

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Tichen Wang, Guiju Sun, Jiushuai Deng, Hongxiang Xu, Guoyong Wang, Mingzhen Hu, Qizheng Qin, and Xiaohao Sun, A depressant for marmatite flotation: Synthesis, characterisation and floatation performance, Int. J. Miner. Metall. Mater., 30(2023), No. 6, pp. 1048-1056. https://doi.org/10.1007/s12613-022-2586-1

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Research Article

A depressant for marmatite flotation: Synthesis, characterisation and floatation performance

+ Author Affiliations

Corresponding authors:
Jiushuai Deng E-mail: dengshuai689@163.com

Hongxiang Xu E-mail: 201535@cumtb.edu.cn
Received: 21 February 2022; Revised: 6 December 2022; Accepted: 9 December 2022; Available online: 10 December 2022

Abstract

Abstract

This study synthesised a zincic salt (ZS) as a depressant for marmatite–galena separation. The effect of ZS on the flotation of marmatite and galena was investigated through micro-flotation tests. 88.89% of the galena was recovered and 83.39% of the marmatite was depressed with ZS dosage of 750 mg·L⁻¹ at pH = 4. The depression mechanism of ZS on marmatite was investigated by a variety of techniques, including adsorption measurements, Fourier transform infrared (FTIR), X-ray photoelectron spectroscopic (XPS) analysis, and time of flight secondary ion mass spectrometry (ToF-SIMS). Results of adsorption tests and FTIR reveal that ZS adsorbed on marmatite surface and impeded the subsequent adsorption of butyl xanthate (BX). The results of XPS and ToF-SIMS indicate that the $ {\mathrm{Z}\mathrm{n}\mathrm{O}}_{2}^{2-} $ released by ZS could be chemisorbed on the marmatite surface and depress marmatite flotation.
- marmatite;
- zincic salt;
- flotation separation;
- depression mechanism;
- time of flight secondary ion mass spectrometry

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