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.,(2023). https://doi.org/10.1007/s12613-022-2586-1
Cite this article as:
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.,(2023). https://doi.org/10.1007/s12613-022-2586-1
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 2022Revised: 6 December 2022Accepted: 9 December 2022Available online: 10 December 2022
  • 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.
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