Effect of Roasting Treatment on Leaching Properties of Different Element in Mica

LIU Hongzhao; LIU Lin; WANG Wei; ZHANG Bo; WANG Shoujing

doi:10.13779/j.cnki.issn1001-0076.2020.06.013

2020 Vol. 40, No. 6

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Article navigation > Conservation and Utilization of Mineral Resources > 2020 > 40(6): 83-87

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LIU Hongzhao, LIU Lin, WANG Wei, ZHANG Bo, WANG Shoujing. Effect of Roasting Treatment on Leaching Properties of Different Element in Mica[J]. Conservation and Utilization of Mineral Resources, 2020, 40(6): 83-87. doi: 10.13779/j.cnki.issn1001-0076.2020.06.013

Citation:

LIU Hongzhao, LIU Lin, WANG Wei, ZHANG Bo, WANG Shoujing. Effect of Roasting Treatment on Leaching Properties of Different Element in Mica[J]. Conservation and Utilization of Mineral Resources, 2020, 40(6): 83-87. doi: 10.13779/j.cnki.issn1001-0076.2020.06.013

Effect of Roasting Treatment on Leaching Properties of Different Element in Mica

1.
Zhengzhou Institute of Multipurpose Utilization of Mineral Resources, CAGS, Zhengzhou 450006, China
2.
China National Engineering Research Center for Utilization of Industrial Minerals, Zhengzhou 450006, China
3.
Key Laboratory for Polymetallic Ores'Evaluation and Utilization, MNR, Zhengzhou 450006, China
4.
Key Laboratory of Comprehensive Utilization of Gold Resource in Henan Province, Zhengzhou 450006, China

Received Date: 07 December 2020

Publish Date: 25 December 2020

Abstract

Abstract

In this article the mica, which was the major impurity mineral in purification process of high purity quartz, was selected as research object. The roasting, water quenching and leaching experiments were conducted. The roasted product and leaching residue were characterized by XRD and SEM. Under different roasting conditions the contrast research onmineral transformation and multi-element leaching characteristics were conducted. Results showed that under specified roasting temperature, the removal rate of K, Na, Al, Fe, Ti and Mg vastly improved after roasting- water quenching treatment or chloridizing roasting treatment, the only difference was that the removal rate of Ca decreased slightly. After high temperature roasting or chloridizing roasting treatment, the mica transformed to other minerals mostly. The hieratite, formed in leaching process, was resistance factor restraining the effective removal of K, and the refractory corundum and mullite in chloridizing roasting product restrained the effective removal of Al.
- mica /
- high purity quartz /
- roasting /
- water quenching treatment /
- chloridizing roasting

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