一种铁闪锌矿抑制剂的合成、特征及浮选响应

王体琛; 孙桂鞠; 邓久帅; 徐宏祥; 王国勇; 胡明振; 秦启政; 孙晓豪

doi:10.1007/s12613-022-2586-1

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Jun. 2023

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文章导航 > 矿物冶金与材料学报（英文） > 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

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., 30(2023), No. 6, pp. 1048-1056. https://doi.org/10.1007/s12613-022-2586-1

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研究论文

一种铁闪锌矿抑制剂的合成、特征及浮选响应

1)
中国矿业大学(北京)化学与环境工程学院, 有色金属工业共生伴生矿产资源分离与加工重点实验室, 稀土稀有金属-有色金属稀散物综合利用工程技术研究中心，北京 100083，中国
2)
中国矿业大学内蒙古研究院(北京)，鄂尔多斯 017001，中国
3)
铟锡资源高效利用国家工程实验室，柳州 545000，中国
4)
中国地质博物馆，北京 100034，中国

通讯作者:
邓久帅 E-mail: dengshuai689@163.com

徐宏祥 E-mail: 201535@cumtb.edu.cn

文章亮点

(1) 合成了一种含锌无机盐(ZS)，实现了铁闪锌矿的高效选择性抑制。

(2) 研究了ZS对方铅矿和铁闪锌矿浮选分离的影响。

(3) ZS在溶液中生成的$ {\mathrm{Z}\mathrm{n}\mathrm{O}}_{2}^{2-} $能够化学吸附在铁闪锌矿表面进而抑制其浮选。

中文摘要

本研究合成了一种含锌无机盐(ZS)作为铁闪锌矿与方铅矿浮选分离的抑制剂，并研究了ZS对铁闪锌矿和方铅矿浮选行为的影响。当ZS用量为750 mg·L⁻¹、pH = 4时，方铅矿回收率为88.89%，铁闪铁矿回收率为16.61%。采用紫外分光光度计、傅立叶红外光谱仪(FTIR)、X射线光电子能谱(XPS)分析和飞行时间二次离子质谱仪(ToF-SIMS)等手段研究了ZS对铁闪锌矿的抑制机理。吸附量测定和红外光谱分析结果表明，ZS选择性吸附在铁闪锌矿表面阻碍了捕收剂丁基黄药在矿物表面的进一步作用。XPS和ToF-SIMS分析结果表明，ZS在溶液中生成的$ {\mathrm{Z}\mathrm{n}\mathrm{O}}_{2}^{2-} $以化学吸附的方式吸附在铁闪锌矿表面，进而有效抑制了铁闪锌矿的浮选。

关键词:

Research Article

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

+ Author Affiliations

1)
Key Laboratory of Separation and Processing of Symbiotic-Associated Mineral Resources in Non-ferrous Metal Industry, Engineering Technology Research Center for Comprehensive Utilization of Rare Earth-Rare Metal-Rare Scattered in Non-ferrous Metal Industry, School of Chemical and Environmental Engineering, China University of Mining and Technology (Beijing), Beijing 100083, China
2)
Inner Mongolia Research Institute, China University of Mining and Technology (Beijing), Ordos 017001, China
3)
National Engineering Laboratory for Efficient Utilization of Indium and Tin Resources, Liuzhou 545000, China
4)
The Geological Museum of China, Beijing 100034, China

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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References

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