Applications of two electric arc plasma torches for the beneficiation of natural quartz

Yuri-Mikhailovich Grishin; Long Miao; Lev-Alekseevich Borisov; Nikolay-Mikhailovich Serykh; Alexey-Yurievich Kulagin

doi:10.1007/s12613-019-1734-8

Volume 26 Issue 3

Mar. 2019

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文章导航 > 矿物冶金与材料学报（英文） > 2019 > 26(3): 267-273

Yuri-Mikhailovich Grishin, Long Miao, Lev-Alekseevich Borisov, Nikolay-Mikhailovich Serykh, and Alexey-Yurievich Kulagin, Applications of two electric arc plasma torches for the beneficiation of natural quartz, Int. J. Miner. Metall. Mater., 26(2019), No. 3, pp. 267-273. https://doi.org/10.1007/s12613-019-1734-8

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Yuri-Mikhailovich Grishin, Long Miao, Lev-Alekseevich Borisov, Nikolay-Mikhailovich Serykh, and Alexey-Yurievich Kulagin, Applications of two electric arc plasma torches for the beneficiation of natural quartz, Int. J. Miner. Metall. Mater., 26(2019), No. 3, pp. 267-273. https://doi.org/10.1007/s12613-019-1734-8

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研究论文

Applications of two electric arc plasma torches for the beneficiation of natural quartz

Department of Thermal physics, Bauman Moscow State Technical University, Moscow 125005, Russia
Federal State Unitary Enterprise Tsentrkvarts, Moscow 127486, Russia

通讯作者:
Long Miao E-mail: miaolongbmstu@gmail.com

中文摘要

Experimental beneficiation processes of quartz concentrate in arc plasma torches of two different types and electric powers were studied. An emission scanning electron microscope and a universal laser analyzer were used to investigate the structures as well as the size distributions of grains and microparticles. Inductively coupled plasma-mass spectrometry was used to determine the chemical compositions of nonstructural solid-phase mineral impurities in quartz concentrate. Results related to the modified grains' structure and size distribution, the compositions of impurities, and the gas-liquid inclusions in the quartz concentrate were investigated. The total impurities concentrations in the processed grains were found to satisfy the IOTA-STD standard (industry standard for grading high quality fused quartz products). The optimal condition (i.e., the optimal specific plasma enthalpy) for the production of high-purity quartz in arc plasma torches was found to depend on the geological-genetic type and the structural and textural features (i.e., chemical composition and gas-liquid inclusions) of the quartz concentrate.

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Research Article

Applications of two electric arc plasma torches for the beneficiation of natural quartz

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Abstract

Abstract

Experimental beneficiation processes of quartz concentrate in arc plasma torches of two different types and electric powers were studied. An emission scanning electron microscope and a universal laser analyzer were used to investigate the structures as well as the size distributions of grains and microparticles. Inductively coupled plasma-mass spectrometry was used to determine the chemical compositions of nonstructural solid-phase mineral impurities in quartz concentrate. Results related to the modified grains' structure and size distribution, the compositions of impurities, and the gas-liquid inclusions in the quartz concentrate were investigated. The total impurities concentrations in the processed grains were found to satisfy the IOTA-STD standard (industry standard for grading high quality fused quartz products). The optimal condition (i.e., the optimal specific plasma enthalpy) for the production of high-purity quartz in arc plasma torches was found to depend on the geological-genetic type and the structural and textural features (i.e., chemical composition and gas-liquid inclusions) of the quartz concentrate.
- low-temperature plasma;
- beneficiation;
- high purity quartz;
- arc plasma torch;
- IOTA-STD standard

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Applications of two electric arc plasma torches for the beneficiation of natural quartz

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Applications of two electric arc plasma torches for the beneficiation of natural quartz

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