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Reductive leaching of low-grade manganese ore with pre-processed cornstalk
Yi, Ai-fei1,2,3; Wu, Meng-ni1,2,3; Liu, Peng-wei1,2,3; Feng, Ya-li1,2; Li, Hao-ran3
2015-12-01
Source PublicationINTERNATIONAL JOURNAL OF MINERALS METALLURGY AND MATERIALS
ISSN1674-4799
Volume22Issue:12Pages:1245-1251
AbstractCornstalk is usually directly used as a reductant in reductive leaching manganese. However, low utilization of cornstalk makes low manganese dissolution ratio. In the research, pretreatment for cornstalk was proposed to improve manganese dissolution ratio. Cornstalk was preprocessed by a heated sulfuric acid solution (1.2 M of sulfuric acid concentration) for 10 min at 80A degrees C. Thereafter, both the pretreated solution and the residue were used as a reductant for manganese leaching. This method not only exhibited superior activity for hydrolyzing cornstalk but also enhanced manganese dissolution. These effects were attributed to an increase in the amount of reductive sugars resulting from lignin hydrolysis. Through acid pretreatment for cornstalk, the manganese dissolution ratio was improved from 50.14% to 83.46%. The present work demonstrates for the first time the effective acid pretreatment of cornstalk to provide a cost-effective reductant for manganese leaching.
KeywordManganese Ore Treatment Cornstalk Reductants Leaching
SubtypeArticle
WOS HeadingsScience & Technology ; Technology ; Physical Sciences
DOI10.1007/s12613-015-1191-y
Indexed BySCI
Language英语
WOS KeywordEXTRACTION ; PYRITE ; STRAW
WOS Research AreaMaterials Science ; Metallurgy & Metallurgical Engineering ; Mining & Mineral Processing
WOS SubjectMaterials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering ; Mining & Mineral Processing
Funding OrganizationNational Water Pollution Control and Treatment Science and Technology Major Project(2015ZX07205-003) ; China Ocean Mineral Resource RD Association(DY125-15-T-08) ; National Natural Science Foundation of China(21176242 ; 21176026)
WOS IDWOS:000365817700002
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/19896
Collection生化工程国家重点实验室
Affiliation1.Univ Sci & Technol Beijing, Sch Civil & Environm Engn, Beijing 100083, Peoples R China
2.Minist Educ, State Key Lab High Efficient Min & Safety Met Min, Beijing 100083, Peoples R China
3.Chinese Acad Sci, Inst Proc Engn, State Key Lab Biochem Engn, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Yi, Ai-fei,Wu, Meng-ni,Liu, Peng-wei,et al. Reductive leaching of low-grade manganese ore with pre-processed cornstalk[J]. INTERNATIONAL JOURNAL OF MINERALS METALLURGY AND MATERIALS,2015,22(12):1245-1251.
APA Yi, Ai-fei,Wu, Meng-ni,Liu, Peng-wei,Feng, Ya-li,&Li, Hao-ran.(2015).Reductive leaching of low-grade manganese ore with pre-processed cornstalk.INTERNATIONAL JOURNAL OF MINERALS METALLURGY AND MATERIALS,22(12),1245-1251.
MLA Yi, Ai-fei,et al."Reductive leaching of low-grade manganese ore with pre-processed cornstalk".INTERNATIONAL JOURNAL OF MINERALS METALLURGY AND MATERIALS 22.12(2015):1245-1251.
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