Reasons and control measures for viscous bulking of activated sludge in A2O process

Sludge viscosity expansion has always been a difficulty in the operation control of A2O process. The sludge viscosity expansion problem occurred in a sewage treatment plant in Zhengzhou City, resulting in poor sludge settling performance with SVI gradually increasing to about 240 mL/g and the mud le...

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Bibliographic Details

Published in:	Gongye shui chuli
Main Authors:	ZHAO Xiaojuan, ZHANG Zhirui, LIU Dongyang, LEI Bin
Format:	Article
Language:	Chinese
Published:	Editorial Office of Industrial Water Treatment 2024-04-01
Subjects:	a2o process sludge viscous bulking biological floating mud flocculant
Online Access:	https://www.iwt.cn/CN/10.19965/j.cnki.iwt.2023-0608