CAS OpenIR  > 湿法冶金清洁生产技术国家工程实验室
CFD Modeling of Nucleation, Growth, Aggregation, and Breakage in Continuous Precipitation of Barium Sulfate in a Stirred Tank
Cheng, Jingcai1; Yang, Chao1,2; Mao, Zai-Sha1; Zhao, Chengjun3; Yang, C
2009-08-05
Source PublicationINDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH
ISSN0888-5885
Volume48Issue:15Pages:6992-7003
AbstractIn this work, the precipitation of barium sulfate (BaSO(4)) in a continuous stirred tank reactor (CSTR) is modeled. The flow field is obtained through solving the single-phase Reynolds averaged Navier-Stokes equations with a standard single-phase k-epsilon turbulence model. The population balance equation is solved through the standard method of moments (SMM) and the quadrature method of moments (QMOM) both with and without aggregation and breakage terms. In the cases of precipitation simulation without aggregation and breakage, the results predicted from 2-node QMOM, 3-node QMOM, and SMM are very close. Thus, 2-node QMOM could replace SMM and be well-incorporated into an in-house CFD code to simulate the precipitation in CSTR with acceptable accuracy. The predicted area-averaged crystal size d(32) decreases almost linearly with increasing feed concentration, and the deviation from experimental data becomes significant at high feed concentration. Numerical simulation using 2-node QMOM with the Brownian motion and shear-induced aggregation kernels as well as a power-law breakage kernel indicates that the predicted d(32) shows good qualitative agreement with experimental results, and the quantitative agreement is achieved when the appropriate breakage rate equation is adopted.
KeywordFeed Semibatch Precipitation Computational Fluid-dynamics Population Balance Equation Calcium-oxalate Monohydrate Quadrature Method Particle-size Shear-flow Coagulation Simulation Kinetics
SubtypeArticle
WOS HeadingsScience & Technology ; Technology
DOI10.1021/ie9004282
Indexed BySCI
Language英语
WOS KeywordFEED SEMIBATCH PRECIPITATION ; COMPUTATIONAL FLUID-DYNAMICS ; POPULATION BALANCE EQUATION ; CALCIUM-OXALATE MONOHYDRATE ; QUADRATURE METHOD ; PARTICLE-SIZE ; SHEAR-FLOW ; COAGULATION ; SIMULATION ; KINETICS
WOS Research AreaEngineering
WOS SubjectEngineering, Chemical
WOS IDWOS:000268479500013
Citation statistics
Cited Times:36[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Version出版稿
Identifierhttp://ir.ipe.ac.cn/handle/122111/6606
Collection湿法冶金清洁生产技术国家工程实验室
Corresponding AuthorYang, C
Affiliation1.Chinese Acad Sci, Inst Proc Engn, Key Lab Green Proc & Engn, Beijing 100190, Peoples R China
2.Jiangsu Marine Resources Dev Res Inst, Lianyungang 222005, Peoples R China
3.Shijiazhuang Chem Fiber Corp, Shijiazhuang 050032, Hebei, Peoples R China
Recommended Citation
GB/T 7714
Cheng, Jingcai,Yang, Chao,Mao, Zai-Sha,et al. CFD Modeling of Nucleation, Growth, Aggregation, and Breakage in Continuous Precipitation of Barium Sulfate in a Stirred Tank[J]. INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH,2009,48(15):6992-7003.
APA Cheng, Jingcai,Yang, Chao,Mao, Zai-Sha,Zhao, Chengjun,&Yang, C.(2009).CFD Modeling of Nucleation, Growth, Aggregation, and Breakage in Continuous Precipitation of Barium Sulfate in a Stirred Tank.INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH,48(15),6992-7003.
MLA Cheng, Jingcai,et al."CFD Modeling of Nucleation, Growth, Aggregation, and Breakage in Continuous Precipitation of Barium Sulfate in a Stirred Tank".INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH 48.15(2009):6992-7003.
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