Critical Assessment of P2O5 Activity Coefficients in CaO-based Slags during Dephosphorization Process of Iron-based Melts
Yang, Xue-Min1; Li, Jin-Yan1,2; Chai, Guo-Ming1,3; Duan, Dong-Ping1; Zhang, Jian2
2016-08-01
发表期刊METALLURGICAL AND MATERIALS TRANSACTIONS B-PROCESS METALLURGY AND MATERIALS PROCESSING SCIENCE
ISSN1073-5615
卷号47期号:4页码:2330-2346
摘要According to the experimental results of hot metal dephosphorization by CaO-based slags at a commercial-scale hot metal pretreatment station, activity of P2O5 in the CaO-based slags has been determined using the calculated comprehensive mass action concentration of iron oxides by the ion and molecule coexistence theory (IMCT) for representing the reaction ability of Fe (t) O, i.e., activity of . The collected ten models from the literature for predicting activity coefficient of P2O5 in CaO-based slags have been evaluated based on the determined activity of P2O5 by the IMCT as the criterion. The collected ten models of activity coefficient of P2O5 in CaO-based slags can be described in the form of a linear function as , in which independent variable represents the chemical composition of slags, intercept including the constant term depicts temperature effect and other unmentioned or acquiescent thermodynamic factors, and slope is regressed by the experimental results. Thus, a general approach for obtaining good prediction results of activity of P2O5 in CaO-based slags is proposed by revising the constant term in intercept for the collected ten models. The better models with an ideal revising possibility or flexibility in the collected ten models have been selected and recommended.
文章类型Article
WOS标题词Science & Technology ; Technology
DOI10.1007/s11663-016-0654-5
收录类别SCI
语种英语
关键词[WOS]MOLECULE COEXISTENCE THEORY ; CAO-SIO2-MGO-AL2O3 IRONMAKING SLAGS ; SULFUR DISTRIBUTION RATIO ; LARGE VARIATION RANGE ; MGO SATURATED SLAGS ; OPTICAL BASICITY ; LIQUID-IRON ; PHOSPHORUS DISTRIBUTION ; METALLURGICAL SLAGS ; STEELMAKING SLAGS
WOS研究方向Materials Science ; Metallurgy & Metallurgical Engineering
WOS类目Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
项目资助者National Natural Science Foundation of China (NSFC)(51174186)
WOS记录号WOS:000379510000024
引用统计
文献类型期刊论文
条目标识符http://ir.ipe.ac.cn/handle/122111/21240
专题湿法冶金清洁生产技术国家工程实验室
作者单位1.Chinese Acad Sci, Inst Proc Engn, Key Lab Green Proc & Engn, Beijing 100190, Peoples R China
2.Univ Sci & Technol Beijing, Sch Met & Ecol Engn, Beijing 100083, Peoples R China
3.Shanxi Taigang Stainless Steel Corp Ltd, 2 Steelmaking Steel Plant, Taiyuan 030003, Peoples R China
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Yang, Xue-Min,Li, Jin-Yan,Chai, Guo-Ming,et al. Critical Assessment of P2O5 Activity Coefficients in CaO-based Slags during Dephosphorization Process of Iron-based Melts[J]. METALLURGICAL AND MATERIALS TRANSACTIONS B-PROCESS METALLURGY AND MATERIALS PROCESSING SCIENCE,2016,47(4):2330-2346.
APA Yang, Xue-Min,Li, Jin-Yan,Chai, Guo-Ming,Duan, Dong-Ping,&Zhang, Jian.(2016).Critical Assessment of P2O5 Activity Coefficients in CaO-based Slags during Dephosphorization Process of Iron-based Melts.METALLURGICAL AND MATERIALS TRANSACTIONS B-PROCESS METALLURGY AND MATERIALS PROCESSING SCIENCE,47(4),2330-2346.
MLA Yang, Xue-Min,et al."Critical Assessment of P2O5 Activity Coefficients in CaO-based Slags during Dephosphorization Process of Iron-based Melts".METALLURGICAL AND MATERIALS TRANSACTIONS B-PROCESS METALLURGY AND MATERIALS PROCESSING SCIENCE 47.4(2016):2330-2346.
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