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Numerical simulation of struvite crystallization in fluidized bed reactor
Ye, Xin1; Gao, Yongchuan2; Cheng, Jingcai3; Chu, Dongyuan1; Ye, Zhi-Long1; Chen, Shaohua1
2018-02-02
Source PublicationCHEMICAL ENGINEERING SCIENCE
ISSN0009-2509
Volume176Issue:00Pages:242-253
Abstract

A numerical model has been developed for struvite-crystallization in a fluidized bed reactor (FBR). For the first time, the flow field and crystal size distribution (CSD) are simultaneously obtained via solving the model that couples computational fluid dynamics (CFD) and population balance equation (PBE). The model was first verified based on the experimental data, and used to explore the influences of operating conditions and reactor geometry. The results showed that the predictions were in good agreement with the experimental observations, giving similar phosphorus removal trend. The predicted supersaturation levels, solid concentrations, and CSDs were found to be strongly dependent on the recycle ratio, pH, and inflow rate. Moreover, the split module was considered better as compared with the traditional integrated module in terms of the supersaturation control. The proposed CFD-PBE modeling framework is thus considered to be a useful tool for performance evaluation and geometry optimization of struvite crystallization. (C) 2017 Elsevier Ltd. All rights reserved.

KeywordComputational Fluid Dynamics Population Balance Equation Struvite Crystallization Fluidized Bed Reactor
SubtypeArticle
WOS HeadingsScience & Technology ; Technology
DOI10.1016/j.ces.2017.10.048
Indexed BySCI
Language英语
WOS KeywordWaste-water Treatment ; Phosphorus Recovery ; Growth-kinetics ; Continuous Precipitation ; Process Parameters ; Crystal-growth ; Barium-sulfate ; Stirred-tank ; Nucleation ; Cfd
WOS Research AreaEngineering
WOS SubjectEngineering, Chemical
Funding OrganizationNational Natural Science Foundation of China(51608503) ; China-Japanese Research Cooperative Program(2016YFE0118000) ; Young Scientists Frontier Foundation of Institute of Urban Environment, Chinese Academy of Sciences(IUEQN201501)
WOS IDWOS:000418484200021
Citation statistics
Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/23452
Collection研究所(批量导入)
Corresponding AuthorChen, Shaohua
Affiliation1.Chinese Acad Sci, Inst Urban Environm, Key Lab Urban Pollutant Convers, Xiamen 361021, Peoples R China
2.Luoyang Ruichang Petrochem Equipment Ltd, Luoyang 471000, Peoples R China
3.Chinese Acad Sci, Inst Proc Engn, Key Lab Green Proc & Engn, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Ye, Xin,Gao, Yongchuan,Cheng, Jingcai,et al. Numerical simulation of struvite crystallization in fluidized bed reactor[J]. CHEMICAL ENGINEERING SCIENCE,2018,176(00):242-253.
APA Ye, Xin,Gao, Yongchuan,Cheng, Jingcai,Chu, Dongyuan,Ye, Zhi-Long,&Chen, Shaohua.(2018).Numerical simulation of struvite crystallization in fluidized bed reactor.CHEMICAL ENGINEERING SCIENCE,176(00),242-253.
MLA Ye, Xin,et al."Numerical simulation of struvite crystallization in fluidized bed reactor".CHEMICAL ENGINEERING SCIENCE 176.00(2018):242-253.
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