Computational fluid dynamics study on first reaction chamber of internal circulation anaerobic reactor

被引：0
|
作者：
Wang, Sheng [1 ,2 ,3 ]
Ma, Hanlu [1 ,2 ,3 ]
Meng, Fang [1 ,2 ,3 ]
Dong, He [1 ,2 ,3 ]
机构：
[1] Tianjin Univ, Key Lab Green Chem Technol, Minist Educ, Tianjin 300072, Peoples R China
[2] Tianjin Univ, R&D Ctr Petrochem Technol, Tianjin 300072, Peoples R China
[3] Collaborat Innocat Ctr Chem Sci & Engn, Tianjin 300072, Peoples R China
来源：
BIORESOURCE TECHNOLOGY | 2024年 / 410卷
关键词：
IC anaerobic reactor; Wastewater treatment; Gas-liquid-solid flow; Porous and permeable granule; CFD; WASTE-WATER TREATMENT; GRANULAR SLUDGE REACTORS; CFD; FLOW; EFFLUENT; TIME; PERFORMANCE; SIMULATION; MODEL;
D O I：
10.1016/j.biortech.2024.131277
中图分类号：
S2 [农业工程];
学科分类号：
0828 ;
摘要：
This study aims to investigate the characteristics of gas-liquid-solid three-phase flow in an Internal Circulation (IC) anaerobic reactor during the treatment of wastewater. Through computational fluid dynamics (CFD) simulations of the gas-liquid-solid three-phase in the first reaction chamber and based on the anaerobic granule swarms drag coefficient model, the study investigates the effects of superficial liquid velocity and superficial gas velocity on granules distribution, uniformity index, gas holdup, flow velocities of each phase, and the dimensionless variance of residence time distribution. In addition, the relationship between the fully mixed superficial velocities of gas and liquid in the first reaction chamber is also determined.
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收藏
页数：9
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