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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
发表期刊CHEMICAL ENGINEERING SCIENCE
ISSN0009-2509
卷号176期号:00页码:242-253
摘要

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.

关键词Computational Fluid Dynamics Population Balance Equation Struvite Crystallization Fluidized Bed Reactor
文章类型Article
WOS标题词Science & Technology ; Technology
DOI10.1016/j.ces.2017.10.048
收录类别SCI
语种英语
关键词[WOS]Waste-water Treatment ; Phosphorus Recovery ; Growth-kinetics ; Continuous Precipitation ; Process Parameters ; Crystal-growth ; Barium-sulfate ; Stirred-tank ; Nucleation ; Cfd
WOS研究方向Engineering
WOS类目Engineering, Chemical
项目资助者National 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记录号WOS:000418484200021
引用统计
文献类型期刊论文
条目标识符http://ir.ipe.ac.cn/handle/122111/23452
专题研究所(批量导入)
通讯作者Chen, Shaohua
作者单位1.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
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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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