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RESPONSE SURFACE OPTIMIZATION OF FLUIDIZED ROASTING REDUCTION OF LOW-GRADE PYROLUSITE COUPLING WITH PRETREATMENT OF STONE COAL
Feng, Y.1; Cai, Z.1; Li, H.2; Du, Z.2; Liu, X.1
2013
Source PublicationJOURNAL OF MINING AND METALLURGY SECTION B-METALLURGY
Volume49Issue:1Pages:33-41
AbstractResearch on the novel technology of fluidized roasting reduction of low-grade pyrolusite coupling with pretreatment of stone coal 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 reduction efficiency have been studied. The quadratic model between the manganese reduction efficiency and the factors has been established. Meanwhile, the contour or 3D response surface of the manganese reduction efficiency among various factors has been presented. The maximum manganese reduction efficiency could be optimized to nearly 100 %, when the mass ratio of stone coal to pyrolusite was 2.5: 1, the roasting temperature of stone coal was 1080 degrees C, the roasting temperature of pyrolusite was 775 degrees C, and the roasting time was 2 h. The results of the manganese reduction 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 reduction efficiency.
KeywordResponse Surface Optimization Fluidized Roasting Coupling Technology Low-grade Pyrolusite Reduction Stone Coal Pretreatment
SubtypeArticle
WOS HeadingsScience & Technology ; Technology
Indexed BySCI
Language英语
WOS KeywordMANGANESE OXIDE ORE ; SULFURIC-ACID-MEDIUM ; HYDROGEN-PEROXIDE ; KINETICS ; DIOXIDE ; MOLASSES ; H2SO4 ; SO2
WOS Research AreaMetallurgy & Metallurgical Engineering
WOS SubjectMetallurgy & Metallurgical Engineering
WOS IDWOS:000328704500006
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/13769
Collection研究所(批量导入)
Affiliation1.Univ Sci & Technol Beijing, Sch Civil & Environm Engn, Beijing 100083, Peoples R China
2.Chinese Acad Sci, Inst Proc Engn, State Key Lab Biochem Engn, Beijing, Peoples R China
Recommended Citation
GB/T 7714
Feng, Y.,Cai, Z.,Li, H.,et al. RESPONSE SURFACE OPTIMIZATION OF FLUIDIZED ROASTING REDUCTION OF LOW-GRADE PYROLUSITE COUPLING WITH PRETREATMENT OF STONE COAL[J]. JOURNAL OF MINING AND METALLURGY SECTION B-METALLURGY,2013,49(1):33-41.
APA Feng, Y.,Cai, Z.,Li, H.,Du, Z.,&Liu, X..(2013).RESPONSE SURFACE OPTIMIZATION OF FLUIDIZED ROASTING REDUCTION OF LOW-GRADE PYROLUSITE COUPLING WITH PRETREATMENT OF STONE COAL.JOURNAL OF MINING AND METALLURGY SECTION B-METALLURGY,49(1),33-41.
MLA Feng, Y.,et al."RESPONSE SURFACE OPTIMIZATION OF FLUIDIZED ROASTING REDUCTION OF LOW-GRADE PYROLUSITE COUPLING WITH PRETREATMENT OF STONE COAL".JOURNAL OF MINING AND METALLURGY SECTION B-METALLURGY 49.1(2013):33-41.
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