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Vaporization model of MgCl2-CaCl2 binary melts in fluidized bed
Wang, Qiao1,2; Zhu, Qingshan1; Fan, Chuanlin1; Wang, Zhen1; Li, Hongzhong1
2017
发表期刊CHINESE JOURNAL OF CHEMICAL ENGINEERING
ISSN1004-9541
卷号25期号:1页码:123-129
摘要The present study investigated the vaporization kinetics of MgCl2, CaCl2 and their binary melts in a fluidized bed at 1073-1273 K, and developed a vaporization model for the binary melts to explore the possibility of achieving enhanced vaporization rate for the feedstock containing CaO greater than 0.2 wt%. The vaporization rate constant of MgCl2 is more than seven times than that of CaCl2 at 1273 K. The vaporization rate of the binary melt was significantly affected by the composition, a small quantity of CaCl2 can remarkably deteriorate the overall vaporization rate. Experimental results coincide well with the numerical simulation by the vaporization model which regards the evolution of vaporization rate with melts composition. A correlation between the necessary operation temperature and the CaO/(CaO + MgO) of the feedstock was proposed. Predictions reveal that a similar vaporization rate for 0.2 wt%-0.4 wt% CaO content feedstock with 0.2 wt% could be achieved at lower than 1365 K. (C) 2016 The Chemical Industry and Engineering Society of China, and Chemical Industry Press. All rights reserved.
关键词Mgcl2 Cacl2 Binary Melts Vaporization Kinetics Kinetics Model
文章类型Article
WOS标题词Science & Technology ; Technology
DOI10.1016/j.cjche.2016.07.001
收录类别SCI
语种英语
关键词[WOS]ELECTROTHERMAL VAPORIZATION ; CO+CL-2 MIXTURES ; CHLORINATION ; ILMENITE ; TITANIUM ; KINETICS ; RUTILE ; NITRIDATION ; EXTRACTION ; CHEMISTRY
WOS研究方向Engineering
WOS类目Engineering, Chemical
项目资助者National Natural Science Foundation of China (NSFC) Distinguished Young Scholar project(21325628)
WOS记录号WOS:000395687900016
引用统计
文献类型期刊论文
条目标识符http://ir.ipe.ac.cn/handle/122111/22008
专题多相复杂系统国家重点实验室
作者单位1.Chinese Acad Sci, Inst Proc Engn, State Key Lab Multiphase Complex Syst, Beijing 100190, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
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Wang, Qiao,Zhu, Qingshan,Fan, Chuanlin,et al. Vaporization model of MgCl2-CaCl2 binary melts in fluidized bed[J]. CHINESE JOURNAL OF CHEMICAL ENGINEERING,2017,25(1):123-129.
APA Wang, Qiao,Zhu, Qingshan,Fan, Chuanlin,Wang, Zhen,&Li, Hongzhong.(2017).Vaporization model of MgCl2-CaCl2 binary melts in fluidized bed.CHINESE JOURNAL OF CHEMICAL ENGINEERING,25(1),123-129.
MLA Wang, Qiao,et al."Vaporization model of MgCl2-CaCl2 binary melts in fluidized bed".CHINESE JOURNAL OF CHEMICAL ENGINEERING 25.1(2017):123-129.
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