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Sewage treatment system and treatment method for solidifying microorganisms

The technology of a sewage treatment system and a sewage treatment method is applied in the sewage treatment system and treatment field of solidified microorganisms, which can solve the problems of affecting sewage treatment, high treatment and disposal costs, and difficult disposal at the disposal terminal, so as to promote growth and reproduction and reduce loss. , The effect of enhancing the denitrification effect

Pending Publication Date: 2022-04-15
FUJIAN HAIXIA ENVIRONMENTAL PROTECTION GRP
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Problems solved by technology

At present, sludge has problems such as high treatment and disposal costs, and difficulty in disposal terminal consumption. The problem of sludge directly affects sewage treatment.

Method used

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  • Sewage treatment system and treatment method for solidifying microorganisms

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Embodiment Construction

[0030] see figure 1 As shown, the present invention provides a technical solution: a sewage treatment system for immobilizing microorganisms, comprising:

[0031] Regulating tank 1, denitrification tank 2, aeration tank 3 and membrane tank 4;

[0032] The regulating tank 1, the denitrification tank 2, the aeration tank 3 and the membrane tank 4 are sequentially connected from front to back;

[0033] A plurality of solidified microbial carriers 41 are uniformly arranged in the membrane pool 4, and an aeration tube is arranged inside each of the solidified microbial carrier 41, and each of the aeration tubes is connected with an external air pump. The bottom is also provided with a flat membrane 42, and the rear end of the membrane pool 4 is connected with the water purification pipeline through the delivery pump 43, which can fix the free microorganisms on the carrier, separate the microorganisms from the treated wastewater, and keep them in a certain space. Highly enriched, ...

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Abstract

The invention discloses a sewage treatment system and a sewage treatment method for solidifying microorganisms in the technical field of sewage treatment. The sewage treatment system comprises a regulating tank, a denitrification tank, an aeration tank and a membrane tank, the regulating tank, the denitrification tank, the aeration tank and the membrane tank are sequentially communicated from front to back; a plurality of immobilized microorganism carriers are uniformly arranged in the aeration tank, and an aeration pipe is arranged in each immobilized microorganism carrier, so that free microorganisms can be immobilized on the carriers, and the microorganisms are separated from treated wastewater and are highly enriched in a certain space, so that the microorganisms can effectively treat the wastewater, and the wastewater treatment efficiency is improved. Compared with the traditional process for applying the immobilized microorganisms to sewage treatment, the immobilized microorganisms have a better sludge process reduction effect and a better microorganism reutilization effect, so that the amount of residual sludge generated in the sewage treatment process is greatly reduced.

Description

technical field [0001] The invention relates to the technical field of sewage treatment, in particular to a sewage treatment system and treatment method for immobilizing microorganisms. Background technique [0002] In recent years, with the continuous improvement of China's urbanization level, the construction of sewage treatment facilities has developed rapidly, and the associated product after sewage treatment-surplus sludge has also increased. According to statistics, as of the end of 2017, the amount of sludge produced by China's urban sewage treatment plants has exceeded 50 million t / a, and 70% of the sludge has not been properly treated. The composition of sludge is complex. It not only contains a large amount of available components such as nitrogen and phosphorus, but also contains toxic and harmful pathogenic bacteria, parasites (eggs) and heavy metals. If it is not disposed of properly, it will cause great harm to the ecological environment and human health. The ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F3/30C02F7/00C02F101/16C02F101/38
CPCY02W10/10
Inventor 陈美香周纳张莉敏
Owner FUJIAN HAIXIA ENVIRONMENTAL PROTECTION GRP
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