Preparation of high-purity γ-Mn3O4 by decomposing MnCO3 from low-grade rhodochrosite ore

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成果类型：

期刊论文

作者：

J. Zhao;L. Xu;T. Xie;C. Xie

通讯作者：

Xu, L.

作者机构：

[J. Zhao; L. Xu; T. Xie] State Key Laboratory of Coal Mine Disaster Dynamics and ControlChongqing University, Chongqing400044, China

[C. Xie] School of Environmental Protection and Safety EngineeringUniversity of South China, Hengyang421001, China

通讯机构：

[L. Xu] S

State Key Laboratory of Coal Mine Disaster Dynamics and ControlChongqing University, Chongqing400044, China

语种：

英文

关键词：

Mn3O4;LGRO;MnCO3;Thermal decomposition

期刊：

Mineral Processing and Extractive Metallurgy: Transactions of the Institute of Mining and Metallurgy

ISSN：

2572-6641

年：

2015

卷：

124

期：

页码：

132-136

DOI：

10.1179/1743285514Y.0000000086

机构署名：

本校为其他机构

院系归属：

环境与安全工程学院

摘要：

High-purity Mn<inf>3</inf>O<inf>4</inf>was prepared from low-grade rhodochrosite ore (LGRO). The Mn recovery efficiency was more than 97% with the blended precipitant of Na<inf>2</inf>CO<inf>3</inf>and NH<inf>4</inf>HCO<inf>3</inf>(1:1 mol mol<sup>-1</sup>). The total Mn content (TMC) of product increased with increase of decomposition time and temperature. The quantitative relationship between TMC and decomposition time as well as decompositions temperature could be fitted by empirical formulae. When decomposi...

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Preparation of high-purity γ-Mn3O4 by decomposing MnCO3 from low-grade rhodochrosite ore

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