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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flocculation and sedimentation dynamic particles microflocs bed topography settling velocities computational fluid dynamics fine sediment size morphology population balance modeling nonlinear process particle or floc size settling velocity of sediment particles macroflocs aggregation breakage reaggregation and rebreakage

Zhipeng Shi,Genguang Zhang,Yuzhuo Zhang,Tingting He,Guoliang Pei,.Modeling of Flocculation and Sedimentation Using Population Balance Equation. 2019 (),.

Zhipeng Shi,Genguang Zhang,Yuzhuo Zhang,Tingting He,Guoliang Pei,"Modeling of Flocculation and Sedimentation Using Population Balance Equation" 2019

Zhipeng Shi,Genguang Zhang,Yuzhuo Zhang,Tingting He,Guoliang Pei,"Modeling of Flocculation and Sedimentation Using Population Balance Equation"