Critical Evaluation of Prediction Models for Phosphorus Partition between CaO-based Slags and Iron-based Melts during Dephosphorization Processes
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:2302-2329
摘要According to the experimental results of hot metal dephosphorization by CaO-based slags at a commercial-scale hot metal pretreatment station, the collected 16 models of equilibrium quotient or phosphorus partition between CaO-based slags and iron-based melts from the literature have been evaluated. The collected 16 models for predicting equilibrium quotient can be transferred to predict phosphorus partition . The predicted results by the collected 16 models cannot be applied to be criteria for evaluating or due to various forms or definitions of or . Thus, the measured phosphorus content [pct P] in a hot metal bath at the end point of the dephosphorization pretreatment process is applied to be the fixed criteria for evaluating the collected 16 models. The collected 16 models can be described in the form of linear functions as , in which independent variable represents the chemical composition of slags, intercept including the constant term depicts the temperature effect and other unmentioned or acquiescent thermodynamic factors, and slope is regressed by the experimental results of or . Thus, a general approach to developing the thermodynamic model for predicting equilibrium quotient or phosphorus partition L (P) or [pct P] in iron-based melts during the dephosphorization process is proposed by revising the constant term in intercept for the summarized 15 models except for Suito's model (M3). The better models with an ideal revising possibility or flexibility among the collected 16 models have been selected and recommended. Compared with the predicted result by the revised 15 models and Suito's model (M3), the developed IMCT- model coupled with the proposed dephosphorization mechanism by the present authors can be applied to accurately predict phosphorus partition with the lowest mean deviation of as 2.33, as well as to predict [pct P] in a hot metal bath with the smallest mean deviation of [pct P] as 12.31.
文章类型Article
WOS标题词Science & Technology ; Technology
DOI10.1007/s11663-016-0653-6
收录类别SCI
语种英语
关键词[WOS]MOLECULE COEXISTENCE THEORY ; MGO SATURATED SLAGS ; CAO-SIO2-MGO-AL2O3 IRONMAKING SLAGS ; COMPLEX STEELMAKING SLAGS ; SULFUR DISTRIBUTION RATIO ; LARGE VARIATION RANGE ; PURE MOLTEN IRON ; LIQUID-IRON ; HOT-METAL ; OPTICAL BASICITY
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:000379510000023
引用统计
被引频次:6[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ipe.ac.cn/handle/122111/21244
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 Evaluation of Prediction Models for Phosphorus Partition between CaO-based Slags and Iron-based Melts during Dephosphorization Processes[J]. METALLURGICAL AND MATERIALS TRANSACTIONS B-PROCESS METALLURGY AND MATERIALS PROCESSING SCIENCE,2016,47(4):2302-2329.
APA Yang, Xue-Min,Li, Jin-Yan,Chai, Guo-Ming,Duan, Dong-Ping,&Zhang, Jian.(2016).Critical Evaluation of Prediction Models for Phosphorus Partition between CaO-based Slags and Iron-based Melts during Dephosphorization Processes.METALLURGICAL AND MATERIALS TRANSACTIONS B-PROCESS METALLURGY AND MATERIALS PROCESSING SCIENCE,47(4),2302-2329.
MLA Yang, Xue-Min,et al."Critical Evaluation of Prediction Models for Phosphorus Partition between CaO-based Slags and Iron-based Melts during Dephosphorization Processes".METALLURGICAL AND MATERIALS TRANSACTIONS B-PROCESS METALLURGY AND MATERIALS PROCESSING SCIENCE 47.4(2016):2302-2329.
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