The Extraction of Silica from Nickel Laterite Ore by Alkaline Hydrothermal Process

Society for Mining, Metallurgy & Exploration
Shiyuan Cao Longjiao Chang Xiaolong Bi Shaohua Luo Jianan Liu
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Society for Mining, Metallurgy & Exploration
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9
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2815 KB
Publication Date:
Apr 21, 2022

Abstract

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The abstract discusses the extraction of silica from nickel laterite ore using a hydrothermal process with sodium hydroxide. The effects of reaction temperature, time, and NaOH-to-ore ratio on silica extraction were investigated. The optimal conditions were determined, achieving over 98% silica extraction. The mechanism involves the reaction of Si in lizardite and quartz with sodium hydroxide, forming sodium silicate solution. Other metals like Mg, Fe, and Ni are enriched in the residue.
Citation

APA: Shiyuan Cao Longjiao Chang Xiaolong Bi Shaohua Luo Jianan Liu  (2022)  The Extraction of Silica from Nickel Laterite Ore by Alkaline Hydrothermal Process

MLA: Shiyuan Cao Longjiao Chang Xiaolong Bi Shaohua Luo Jianan Liu The Extraction of Silica from Nickel Laterite Ore by Alkaline Hydrothermal Process. Society for Mining, Metallurgy & Exploration, 2022.

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