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Response Surface Optimization of Reductive Leaching Manganese from Low-Grade Pyrolusite Using Biogas Residual as Reductant
Cai, ZL; Cai, Zhenlei; Feng, YL; Feng, Yali; Li, HR; Li, Haoran; Liu, XW; Liu, Xinwei
2015
Source PublicationMINERAL PROCESSING AND EXTRACTIVE METALLURGY REVIEW
Volume36Issue:1Pages:1
Abstract

Research on the novel technology of reductive leaching manganese from low-grade pyrolusite using biogas residual as reductant has been conducted. According to the response surface design and the analysis of results, orthogonal experiments have been conducted on the major factors and effects of the factors on the manganese leaching efficiency have been studied. The maximum manganese leaching efficiency could be optimized to nearly 100%, when the mass ratio of biogas residual to pyrolusite was 0.19:1, the volume-to-mass ratio of sulfuric acid to pyrolusite was 8: 1, the sulfuric acid concentration was 25%, and the reaction time was 2.5 h. The results of the manganese leaching efficiency of the actual experiments were close to those of the fitting model by the verification experiments, indicating that the optimum solution has a relatively high reliability. Other low-grade pyrolusite, such as Guangxi pyrolusite (China), Hunan pyrolusite (China), and Guizhou pyrolusite (China), were tested and all these materials responded well giving nearly 100% manganese leaching efficiency.

KeywordBiogas Residual Sulfuric-acid Low-grade Pyrolusite Waste-water Reductive Leaching Ore Response Surface Optimization Slurry Adsorption Adsorbent Molasses H2so4
SubtypeArticle
Subject AreaMetallurgy & Metallurgical Engineering ; Mining & Mineral Processing
DOI10.1080/08827508.2012.762915
Language英语
Funding ProjectNational Natural Science Foundation of China [21176026] ; National High Technology Research and Development Program (863 program) of China [2012AA062401] ; China Ocean Mineral resources RD Association [DY125-15-T-08] ; National Key Technology R&D Program of China [2012BAB14B05]
WOS SubjectMetallurgy & Metallurgical Engineering ; Mining & Mineral Processing
WOS IDWOS:000341131600001
Citation statistics
Cited Times:9[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/13847
Collection研究所(批量导入)
Corresponding AuthorCai, ZL
Recommended Citation
GB/T 7714
Cai, ZL,Cai, Zhenlei,Feng, YL,et al. Response Surface Optimization of Reductive Leaching Manganese from Low-Grade Pyrolusite Using Biogas Residual as Reductant[J]. MINERAL PROCESSING AND EXTRACTIVE METALLURGY REVIEW,2015,36(1):1.
APA Cai, ZL.,Cai, Zhenlei.,Feng, YL.,Feng, Yali.,Li, HR.,...&Liu, Xinwei.(2015).Response Surface Optimization of Reductive Leaching Manganese from Low-Grade Pyrolusite Using Biogas Residual as Reductant.MINERAL PROCESSING AND EXTRACTIVE METALLURGY REVIEW,36(1),1.
MLA Cai, ZL,et al."Response Surface Optimization of Reductive Leaching Manganese from Low-Grade Pyrolusite Using Biogas Residual as Reductant".MINERAL PROCESSING AND EXTRACTIVE METALLURGY REVIEW 36.1(2015):1.
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