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Kinetic Study on Phosphate Enrichment Behavior in CaO-SiO2-FeO-Fe2O3-P2O5 Steelmaking Slags
Li, Jin-yan1,2; Zhang, Mei1; Guo, Min1; Yang, Xue-min3
2018-05-01
Source PublicationHIGH TEMPERATURE MATERIALS AND PROCESSES
ISSN0334-6455
Volume37Issue:5Pages:477-486
AbstractThe iso-thermal crystallization behavior of phosphate-enriched phase has been experimentally investigated in the rapidly quenched CaO-SiO2-FeO-Fe2O3-P2O5 steelmaking slags under different cooling schedules. The experimental results indicate that increasing endpoint temperature from 1453 to 1533 K and prolonging holding time from 2 to 60 min can result in an increasing tendency of the size of phosphate-enriched phase in the shape of one-dimensional rod. The crystallization kinetics of phosphate-enriched phase in steelmaking slags has been described by Avrami equation. The Avrami constant n was obtained to be 0.472, while the crystallization rate constant k was recommended as In k = 57.40 + 12, 273.96/T - 8.25 In T - 5.5 x 10(-3)T. Thus, the apparent activation energy E of crystallization is recommended as E = 537.60 - 206.015T kJ/mol.
KeywordPhosphate Enrichment Crystallization Kinetics Steelmaking Slags Apparent Activation Energy
SubtypeArticle
WOS HeadingsScience & Technology ; Technology
DOI10.1515/htmp-2016-0241
Indexed BySCI
Language英语
WOS KeywordADJUSTED CONVERTER SLAG ; PHOSPHORUS ENRICHMENT ; CRYSTALLIZATION BEHAVIOR ; CAO-SIO2-FETO SLAGS ; EQUATION ; P2O5 ; DEPHOSPHORIZATION ; PARTICLES ; MECHANISM ; SYSTEM
WOS Research AreaMaterials Science
WOS SubjectMaterials Science, Multidisciplinary
Funding OrganizationNational Natural Science Foundation of China(51372019 ; 51174186 ; 51072022)
WOS IDWOS:000431131000009
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/24428
Collection湿法冶金清洁生产技术国家工程实验室
Affiliation1.Univ Sci & Technol Beijing, Sch Met & Ecol Engn, Beijing 100083, Peoples R China
2.China Met Ind Planning & Res Inst, Beijing 100711, Peoples R China
3.Chinese Acad Sci, Inst Proc Engn, Key Lab Green Proc & Engn, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Li, Jin-yan,Zhang, Mei,Guo, Min,et al. Kinetic Study on Phosphate Enrichment Behavior in CaO-SiO2-FeO-Fe2O3-P2O5 Steelmaking Slags[J]. HIGH TEMPERATURE MATERIALS AND PROCESSES,2018,37(5):477-486.
APA Li, Jin-yan,Zhang, Mei,Guo, Min,&Yang, Xue-min.(2018).Kinetic Study on Phosphate Enrichment Behavior in CaO-SiO2-FeO-Fe2O3-P2O5 Steelmaking Slags.HIGH TEMPERATURE MATERIALS AND PROCESSES,37(5),477-486.
MLA Li, Jin-yan,et al."Kinetic Study on Phosphate Enrichment Behavior in CaO-SiO2-FeO-Fe2O3-P2O5 Steelmaking Slags".HIGH TEMPERATURE MATERIALS AND PROCESSES 37.5(2018):477-486.
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