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Reductive leaching of manganese from low-grade pyrolusite ore in sulfuric acid using pyrolysis-pretreated sawdust as a reductant
Feng, Ya-li1; Zhang, Shi-yuan1,2; Li, Hao-ran2
2016-03-01
Source PublicationINTERNATIONAL JOURNAL OF MINERALS METALLURGY AND MATERIALS
ISSN1674-4799
Volume23Issue:3Pages:241-246
Abstract

Manganese (Mn) leaching and recovery from low-grade pyrolusite ore were studied using sulfuric acid (H2SO4) as a leachant and pyrolysis-pretreated sawdust as a reductant. The effects of the dosage of pyrolysis-pretreated sawdust to pyrolusite ore, the concentration of sulfuric acid, the liquid/solid ratio, the leaching temperature, and the leaching time on manganese and iron leaching efficiencies were investigated. Analysis of manganese and iron leaching efficiencies revealed that a high manganese leaching efficiency was achieved with low iron extraction. The optimal leaching efficiency was determined to be 20wt% pyrolysis-pretreated sawdust and 3.0 mol/L H2SO4 using a liquid/ solid ratio of 6.0 mL/g for 90 min at 90A degrees C. Other low-grade pyrolusite ores were tested, and the results showed that they responded well with manganese leaching efficiencies greater than 98%.

KeywordManganese Ore Treatment Pyrolusite Sawdust Pyrolysis Leaching Manganese
SubtypeArticle
Subject AreaMaterials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering ; Mining & Mineral Processing ; Materials Science ; Metallurgy & Metallurgical Engineering ; Mining & Mineral Processing
WOS HeadingsScience & Technology ; Technology ; Physical Sciences
DOI10.1007/s12613-016-1232-1
URL查看原文
Indexed BySCI
Language英语
WOS KeywordHydrogen-peroxide ; Oxide Ore ; Kinetics ; Dioxide ; Recovery ; Molasses ; Nodules ; Sucrose ; H2so4 ; Hcl
WOS Research AreaMaterials Science ; Metallurgy & Metallurgical Engineering ; Mining & Mineral Processing
WOS SubjectMaterials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering ; Mining & Mineral Processing
Funding OrganizationChina Ocean Mineral Resource Research and Development Association(DY125-15-T-08) ; National Key Technology Research and Development Program of China(2012BAB07B05) ; National High Technology Research and Development Program of China(2012AA062401) ; National Natural Science Foundation of China(21176242 ; 21176026)
WOS IDWOS:000371257200001
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/20694
Collection研究所(批量导入)
Corresponding AuthorFeng, Ya-li
Affiliation1.Univ Sci & Technol Beijing, Sch Civil & Environm Engn, Beijing 100083, Peoples R China
2.Chinese Acad Sci, Inst Proc Engn, Natl Key Lab Biochem Engn, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Feng, Ya-li,Zhang, Shi-yuan,Li, Hao-ran. Reductive leaching of manganese from low-grade pyrolusite ore in sulfuric acid using pyrolysis-pretreated sawdust as a reductant[J]. INTERNATIONAL JOURNAL OF MINERALS METALLURGY AND MATERIALS,2016,23(3):241-246.
APA Feng, Ya-li,Zhang, Shi-yuan,&Li, Hao-ran.(2016).Reductive leaching of manganese from low-grade pyrolusite ore in sulfuric acid using pyrolysis-pretreated sawdust as a reductant.INTERNATIONAL JOURNAL OF MINERALS METALLURGY AND MATERIALS,23(3),241-246.
MLA Feng, Ya-li,et al."Reductive leaching of manganese from low-grade pyrolusite ore in sulfuric acid using pyrolysis-pretreated sawdust as a reductant".INTERNATIONAL JOURNAL OF MINERALS METALLURGY AND MATERIALS 23.3(2016):241-246.
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