Sewage treatment process
A sewage treatment and process technology, applied in the direction of water/sewage multi-stage treatment, water/sludge/sewage treatment, chemical instruments and methods, etc., can solve problems such as high external environmental conditions, achieve good water quality, accelerate growth and reproduction , the effect of strong adaptability
Inactive Publication Date: 2017-05-10
DUJIANGYAN EMPRESS TECH CO LTD
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Abstract
The present invention relates to a sewage treatment process, which comprises a grating, a hydrolysis regulation pool, a lifting pump and a CASS pool, wherein the grating, the hydrolysis regulation pool, the lifting pump and the CASS pool are connected, the remaining sludge in the CASS pool is pumped into the hydrolysis regulation pool through a reflux pump, the sludge in the hydrolysis regulation pool is periodically discharged out, each CASS reaction pool comprises three parts such as a flora selection zone, a facultative zone and a main reaction zone, the flora selection zone is arranged on the front end of the CASS pool and is a small volume pool, most part of the selection zone works in the case of anaerobic or anaerobic condition, the main reaction zone sucks one part of the sludge through sludge reflux to the selection zone, and the sludge sucking amount is the same as the amount of the sludge in the main reaction zone after one circulation. According to the present invention, with the sewage treatment process, the sewage flows into the pretreatment zone, and the active sludge enhances the absorption and the attachment on organisms in the good case while the advantageous environment is provided for accelerating the growth and the reproduction of microorganisms so as to limit the effective breeding of filamentous fungus.
Application Domain
Multistage water/sewage treatment
Technology Topic
Pre treatmentFacultative lagoon +7
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