Two-stage A/O activated sludge process sewage treatment system and process

The invention provides a two-stage A/O activated sludge process sewage treatment system and process, and relates to the technical field of sewage treatment. Comprising a first-stage treatment system and a second-stage treatment system, the first-stage treatment system comprises a first-stage anaerob...

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Bibliographic Details
Main Authors LI XIAOYAN, WANG SHUNHE, LI ZIJIAN, LI KAI
Format Patent
LanguageChinese
English
Published 25.11.2022
Subjects
CHEMISTRY
METALLURGY
TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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Summary:The invention provides a two-stage A/O activated sludge process sewage treatment system and process, and relates to the technical field of sewage treatment. Comprising a first-stage treatment system and a second-stage treatment system, the first-stage treatment system comprises a first-stage anaerobic tank, a first-stage anoxic tank, a first-stage aerobic tank and a first-stage internal reflux well which are communicated in sequence, and the second-stage treatment system comprises a second-stage maneuvering tank, a second-stage anoxic tank, a second-stage aerobic tank and a second-stage reflux well which are communicated in sequence; a water inlet channel is arranged between the first-stage treatment system and the second-stage treatment system in a penetrating mode, a water outlet channel is arranged on the outer side of the first-stage treatment system and the second-stage treatment system, the water outlet channel is communicated with the second-stage motorized pond through a series-connection water inlet
Bibliography:Application Number: CN202210972312