Modelling and experimental investigation of micromixing of single-feed semi-batch precipitation in a liquid-liquid stirred reactor
Cheng, Dang1,2; Feng, Xin1; Yang, Chao1; Mao, Zai-Sha1
2016-06-01
发表期刊CHEMICAL ENGINEERING JOURNAL
ISSN1385-8947
卷号293期号:JUNE页码:291-301
摘要A finite-mode probability density function (FM-PDF) model is adopted to simulate the semi-batch precipitation process of barium sulfate from aqueous solutions of barium chloride and sodium sulfate in the presence of kerosene drops in a turbulent liquid-liquid stirred reactor driven by a Rushton turbine. The turbulent kerosene-water flow field is calculated with an anisotropic two-phase explicit algebraic stress model (EASM) and the standard k-epsilon model based on an Eulerian-Eulerian approach using in-house codes. The flow predictions are validated against macromixing homogenization curves measured from tracer mixing experiments. The particle size distribution has been calculated by solving five moments of the particle size distribution coupled with both nucleation and growth kinetics. The effects of impeller speed and inert dispersed oil volume fraction have been investigated. Agreement between micromixing model predictions and experimental data is satisfactory, which suggests that the time dependent finite-mode probability density function model is a feasible approach for numerical prediction of the fast precipitation process in turbulent two-phase stirred reactors. (C) 2016 Elsevier B.V. All rights reserved.
关键词Micromixing Fast Precipitation Probability Density Function Multiphase Stirred Reactor Computational Fluid Dynamics
文章类型Article
WOS标题词Science & Technology ; Technology
DOI10.1016/j.cej.2016.02.064
收录类别SCI
语种英语
关键词[WOS]COMPUTATIONAL FLUID-DYNAMICS ; TURBULENT PRECIPITATION ; CFD SIMULATION ; NUMERICAL-SIMULATION ; DISPERSED PHASE ; STRESS MODEL ; SYSTEM ; TANK ; FLOW
WOS研究方向Engineering
WOS类目Engineering, Environmental ; Engineering, Chemical
项目资助者973 Program(2012CB224806) ; National Natural Science Foundation of China(21306197 ; Major National Scientific Instrument Development Project(21427814) ; Jiangsu National Synergetic Innovation Center for Advanced Materials ; 91434126)
WOS记录号WOS:000374602600031
引用统计
文献类型期刊论文
条目标识符http://ir.ipe.ac.cn/handle/122111/21058
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.Eindhoven Univ Technol, Dept Chem Engn & Chem, NL-5600 MB Eindhoven, Netherlands
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Cheng, Dang,Feng, Xin,Yang, Chao,et al. Modelling and experimental investigation of micromixing of single-feed semi-batch precipitation in a liquid-liquid stirred reactor[J]. CHEMICAL ENGINEERING JOURNAL,2016,293(JUNE):291-301.
APA Cheng, Dang,Feng, Xin,Yang, Chao,&Mao, Zai-Sha.(2016).Modelling and experimental investigation of micromixing of single-feed semi-batch precipitation in a liquid-liquid stirred reactor.CHEMICAL ENGINEERING JOURNAL,293(JUNE),291-301.
MLA Cheng, Dang,et al."Modelling and experimental investigation of micromixing of single-feed semi-batch precipitation in a liquid-liquid stirred reactor".CHEMICAL ENGINEERING JOURNAL 293.JUNE(2016):291-301.
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