Multiple-perspective research on the spatial distribution of full-size aerobic granular sludge in wastewater treatment

2022 ◽  
pp. 107135
Author(s):  
Peng Tang ◽  
Yanyan Wang ◽  
Jun Li ◽  
Guanghui Chen
Keyword(s):  
Wastewater Treatment ◽  
Spatial Distribution ◽  
Granular Sludge ◽  
Aerobic Granular Sludge ◽  
Multiple Perspective ◽  
Full Size

Textile wastewater treatment: Aerobic granular sludge vs activated sludge systems

2014 ◽  
Vol 54 ◽  
pp. 337-346 ◽  
Author(s):  
Adriana Maria Lotito ◽  
Marco De Sanctis ◽  
Claudio Di Iaconi ◽  
Giovanni Bergna
Keyword(s):  
Wastewater Treatment ◽  
Activated Sludge ◽  
Granular Sludge ◽  
Textile Wastewater ◽  
Aerobic Granular Sludge ◽  
Textile Wastewater Treatment ◽  
Activated Sludge Systems

Three-dimensional multi-species mathematical model of the aerobic granulation process based on cellular automata theory

2018 ◽  
Vol 77 (12) ◽  
pp. 2761-2771
Author(s):  
Guoqiang Zheng ◽  
Kuizu Su ◽  
Shuai Zhang ◽  
Yulan Wang ◽  
Weihong Wang
Keyword(s):  
Mathematical Model ◽  
Spatial Distribution ◽  
Cellular Automata ◽  
Three Dimensional ◽  
Granular Sludge ◽  
Automata Theory ◽  
Aerobic Granular Sludge ◽  
Granulation Process ◽  
Autotrophic Bacteria ◽  
Degrading Bacteria

Abstract Aerobic granular sludge is a kind of microbial polymer formed by self-immobilization under aerobic conditions. It has been widely studied because of its promising application in wastewater treatment. However, the granulation process of aerobic sludge is still a key factor affecting its practical application. In this paper, a three-dimensional (3D) multi-species mathematical model of aerobic granular sludge was constructed using the cellular automata (CA) theory. The growth process of aerobic granular sludge and its spatial distribution of microorganisms were studied under different conditions. The simulation results show that the aerobic granules were smaller under high shear stress and that the autotrophic bacterial content of the granular sludge interior was higher. However, the higher the dissolved oxygen concentration, the larger the size of granular sludge and the higher the content of autotrophic bacteria in the interior of the granular sludge. In addition, inhibition of toxic substances made the aerobic granule size increase more slowly, and the spatial distribution of the autotrophic bacteria and the toxic-substance-degrading bacteria were mainly located in the outer layer, with the heterotrophic bacteria mainly existing in the interior of the granular sludge.

Cultivation of aerobic granular sludge for rubber wastewater treatment

2013 ◽  
Vol 129 ◽  
pp. 620-623 ◽  
Author(s):  
Noor Hasyimah Rosman ◽  
Aznah Nor Anuar ◽  
Inawati Othman ◽  
Hasnida Harun ◽  
Muhammad Zuhdi Sulong (@ Abdul Razak) ◽  
...  
Keyword(s):  
Wastewater Treatment ◽  
Granular Sludge ◽  
Aerobic Granular Sludge ◽  
Rubber Wastewater
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