Modeling of Flocculation and Sedimentation Using Population Balance Equation

Flocculation is a special phenomenon for fine sediment or silt in reservoirs and estuaries. Flocculation usually results in changes of size, morphology, and settling velocity of sediment particles and finally changes of bed topography of reservoirs and estuaries. The process of flocculation and sedi...

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Main Authors: Zhipeng Shi, Genguang Zhang, Yuzhuo Zhang, Tingting He, Guoliang Pei
Format: Article
Language:English
Published: Wiley 2019-01-01
Series:Journal of Chemistry
Online Access:http://dx.doi.org/10.1155/2019/9187204
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author Zhipeng Shi
Genguang Zhang
Yuzhuo Zhang
Tingting He
Guoliang Pei
author_facet Zhipeng Shi
Genguang Zhang
Yuzhuo Zhang
Tingting He
Guoliang Pei
author_sort Zhipeng Shi
collection DOAJ
description Flocculation is a special phenomenon for fine sediment or silt in reservoirs and estuaries. Flocculation usually results in changes of size, morphology, and settling velocity of sediment particles and finally changes of bed topography of reservoirs and estuaries. The process of flocculation and sedimentation was simulated based on population balance modeling (PBM) and computational fluid dynamics (CFD); the changes of particle or floc size and their settling velocities over time were examined. The results showed that flocculation is a dynamic and nonlinear process containing aggregation, breakage, reaggregation, and rebreakage between particles, microflocs, and macroflocs. Furthermore, the visual process of flocculation and sedimentation was directly created by the simulation results and is in good agreement with the results of the previous experiments.
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institution Kabale University
issn 2090-9063
2090-9071
language English
publishDate 2019-01-01
publisher Wiley
record_format Article
series Journal of Chemistry
spelling doaj-art-6519651f2f2b44b1a71f3324f789ebcb2025-02-03T01:21:50ZengWileyJournal of Chemistry2090-90632090-90712019-01-01201910.1155/2019/91872049187204Modeling of Flocculation and Sedimentation Using Population Balance EquationZhipeng Shi0Genguang Zhang1Yuzhuo Zhang2Tingting He3Guoliang Pei4Key Laboratory of Agricultural Soil and Water Engineering in Arid and Semiarid Areas, Ministry of Education, Northwest A&F University, Yangling, Xianyang, Shaanxi Province 712100, ChinaKey Laboratory of Agricultural Soil and Water Engineering in Arid and Semiarid Areas, Ministry of Education, Northwest A&F University, Yangling, Xianyang, Shaanxi Province 712100, ChinaKey Laboratory of Agricultural Soil and Water Engineering in Arid and Semiarid Areas, Ministry of Education, Northwest A&F University, Yangling, Xianyang, Shaanxi Province 712100, ChinaJiangsu Vocational Institute of Architectural Technology, Xuzhou, Jiangsu Province 221116, ChinaState Key Laboratory of Crop Stress Biology for Arid Areas, Northwest A&F University, Yangling, Xianyang, Shaanxi Province 712100, ChinaFlocculation is a special phenomenon for fine sediment or silt in reservoirs and estuaries. Flocculation usually results in changes of size, morphology, and settling velocity of sediment particles and finally changes of bed topography of reservoirs and estuaries. The process of flocculation and sedimentation was simulated based on population balance modeling (PBM) and computational fluid dynamics (CFD); the changes of particle or floc size and their settling velocities over time were examined. The results showed that flocculation is a dynamic and nonlinear process containing aggregation, breakage, reaggregation, and rebreakage between particles, microflocs, and macroflocs. Furthermore, the visual process of flocculation and sedimentation was directly created by the simulation results and is in good agreement with the results of the previous experiments.http://dx.doi.org/10.1155/2019/9187204
spellingShingle Zhipeng Shi
Genguang Zhang
Yuzhuo Zhang
Tingting He
Guoliang Pei
Modeling of Flocculation and Sedimentation Using Population Balance Equation
Journal of Chemistry
title Modeling of Flocculation and Sedimentation Using Population Balance Equation
title_full Modeling of Flocculation and Sedimentation Using Population Balance Equation
title_fullStr Modeling of Flocculation and Sedimentation Using Population Balance Equation
title_full_unstemmed Modeling of Flocculation and Sedimentation Using Population Balance Equation
title_short Modeling of Flocculation and Sedimentation Using Population Balance Equation
title_sort modeling of flocculation and sedimentation using population balance equation
url http://dx.doi.org/10.1155/2019/9187204
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AT tingtinghe modelingofflocculationandsedimentationusingpopulationbalanceequation
AT guoliangpei modelingofflocculationandsedimentationusingpopulationbalanceequation