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Preparation of block CaO from carbide slag and its compressive strength improved by H3PO4
Alternative TitleInt. J. Miner. Process.
Zhang, Shuang1; Gong, Xuzhong1; Wang, Zhi1; Cao, Jianwei1; Guo, Zhancheng1,2
2014-06-10
Source PublicationINTERNATIONAL JOURNAL OF MINERAL PROCESSING
ISSN0301-7516
Volume129Issue:1Pages:6-11
AbstractThe effects of H3PO4 on the compressive strength of block CaO, phase composition and morphology of calcined carbide slag were investigated. The results indicated that block CaO could be prepared from carbide slag through molding and calcination. H3PO4 had a promotive effect on the compressive strength of block CaO, which reached the maximum value at 32 MPa with a H3PO4 content of 4%. Meanwhile, the compressive strength of block CaO increased with an increase of molding pressure. Moreover, the P-containing phase in carbide slag shifted from hydro-phosphate to phosphate after calcination. The close connection on the surface of particles was enhanced by the formation of phosphate. (C) 2014 Elsevier B.V. All rights reserved.; The effects of H3PO4 on the compressive strength of block CaO, phase composition and morphology of calcined carbide slag were investigated. The results indicated that block CaO could be prepared from carbide slag through molding and calcination. H3PO4 had a promotive effect on the compressive strength of block CaO, which reached the maximum value at 32 MPa with a H3PO4 content of 4%. Meanwhile, the compressive strength of block CaO increased with an increase of molding pressure. Moreover, the P-containing phase in carbide slag shifted from hydro-phosphate to phosphate after calcination. The close connection on the surface of particles was enhanced by the formation of phosphate. (C) 2014 Elsevier B.V. All rights reserved.
KeywordCarbide Slag H3po4 Block Cao Molding Compressive Strength
SubtypeArticle
WOS HeadingsScience & Technology ; Technology ; Physical Sciences
DOI10.1016/j.minpro.2014.04.003
URL查看原文
Indexed BySCI
Language英语
WOS KeywordCALCIUM CARBIDE ; ALUMINUM PHOSPHATE ; XONOTLITE ; ACETYLENE ; PELLETIZATION ; BENTONITE ; BINDER ; LIME
WOS Research AreaEngineering ; Mineralogy ; Mining & Mineral Processing
WOS SubjectEngineering, Chemical ; Mineralogy ; Mining & Mineral Processing
WOS IDWOS:000338615100002
Citation statistics
Cited Times:5[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Version出版稿
Identifierhttp://ir.ipe.ac.cn/handle/122111/11033
Collection研究所(批量导入)
Affiliation1.Chinese Acad Sci, Inst Proc Engn, Natl Engn Lab Hydromet Cleaner Prod Technol, Beijing 100190, Peoples R China
2.Univ Sci & Technol Beijing, State Key Lab Adv Met, Beijing 100083, Peoples R China
Recommended Citation
GB/T 7714
Zhang, Shuang,Gong, Xuzhong,Wang, Zhi,et al. Preparation of block CaO from carbide slag and its compressive strength improved by H3PO4[J]. INTERNATIONAL JOURNAL OF MINERAL PROCESSING,2014,129(1):6-11.
APA Zhang, Shuang,Gong, Xuzhong,Wang, Zhi,Cao, Jianwei,&Guo, Zhancheng.(2014).Preparation of block CaO from carbide slag and its compressive strength improved by H3PO4.INTERNATIONAL JOURNAL OF MINERAL PROCESSING,129(1),6-11.
MLA Zhang, Shuang,et al."Preparation of block CaO from carbide slag and its compressive strength improved by H3PO4".INTERNATIONAL JOURNAL OF MINERAL PROCESSING 129.1(2014):6-11.
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