Design Example Analysis of Sewage Treatment Transformation in a Hospital in Shanghai
The Anoxic and aerobic process process was adopted in the original sewage treatment station of a a class Ⅲ class A hospital in Shanghai,In recent years,because of the vary of the water quality and quantity,there are many problems arise,such as the collapse of biochemical system,the stink of sewage treatment station,and the sludge can not be effectively disposed,so the original treatment system can not operate normally.This transformation makes full use of the space layout of the sewage station and the original treatment process design is transformed into"Hydrolytic acidification+MBBR",and adds a pre-treatment system of outpatient sewage,an odor treatment system and a sludge dewatering system.After the transformation,the the effluent quality of the treatment system meets the standard stably,the odor is effectively purified,and the sludge is effectively disposed.
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