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A microporous aeration-biology-ecological floating bed integrated device and method for treating black and odorous water using the device

A technology of microporous aeration and ecological floating bed, applied in the direction of sustainable biological treatment, biological water/sewage treatment, chemical instruments and methods, etc., can solve black and odorous water pollution, oxygen-enriched capacity, bed structure anti-risk ability biological- Insufficient repair ability of plant roots and other problems, to achieve the effect of solving pollution problems, solving water ecological problems, and improving treatment efficiency

Active Publication Date: 2018-08-28
HUNAN HENGKAI ENVIRONMENT TECH INVESTMENT CO LTD
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Problems solved by technology

[0005] In view of the deficiencies in the prior art, an object of the present invention is to provide a microporous aeration-biological-ecological floating bed integrated device, aiming at solving the problem of oxygen-enrichment ability, The anti-risk ability of the bed structure and the lack of bio-plant root repair ability in the bed system can efficiently purify water for a long time, and fundamentally solve the pollution problem of black and odorous water

Method used

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  • A microporous aeration-biology-ecological floating bed integrated device and method for treating black and odorous water using the device

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Embodiment 1

[0045] Microbial immobilization pellets were prepared as follows:

[0046] 1) Soak 12wt% polyvinyl alcohol and 3wt% sodium alginate in water for 24 hours, heat and dissolve to form a mixed solution, and cool the mixed solution to room temperature;

[0047] 2) Mix the aerobic activated sludge with the above mixed solution; form a mixture; the aerobic activated sludge is mixed with the activated sludge and the solution at a volume ratio of 1:1.7;

[0048] 3) After the mixed solution was first treated in an ice bath, a solution containing 3wt% CaCl was added dropwise to the above mixture. 2 , 6wt%H 3 BO 3 The mixed solution, the amount of the mixed solution added dropwise accounted for 25% of the volume of the mixture, stirred and cross-linked, and cross-linked for 24h.

[0049] 4) After filtering, the immobilized microbial pellets are obtained, the pellets are cleaned, and then refrigerated for future use. Through measurement and calculation, the particle size and diameter r...

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Abstract

The invention relates to a microporous aeration-biology-ecological floating bed integrated device and a method for treating a black and odorous water body by applying the device and belongs to the technical field of sewage treatment of industrial wastewater. The integrated device comprises an aerator, a floating bed body, an ecological float bowl, elastic filler groups, micro-porous aeration tubes, a protecting net, immobilized microbe pellet groups and aquatic plants, wherein the elastic filler groups and the immobilized microbe pellet groups are alternatively distributed; one row of micro-porous aeration tubes are arranged at each of the bottom and the middle part of the protecting net; micro-porous aeration discs are arranged on the micro-porous aeration tubes. The device is used for treating the black and odorous water body, so that the treatment efficiency of the water body can be improved for a long term, the content of dissolved oxygen and aerobic microbial biomass in the water body are enabled to be within a normal range, and further the problem of pollution of the black and odorous water body is thoroughly solved.

Description

technical field [0001] The invention relates to a microporous aeration-biology-ecological floating bed integrated device and a method for using the device to treat black and odorous water, belonging to the technical field of industrial wastewater treatment. technical background [0002] Black and odorous water is an extreme manifestation of water organic pollution. The mechanism of black and odor in most water bodies is basically the same. It is caused by the lack of oxygen in the water and the corruption of organic matter. When a large amount of organic pollutants enter the water body, under the biochemical action of aerobic microorganisms, a large amount of oxygen in the water body is consumed, and the water body is transformed into an anoxic state, resulting in the proliferation of anaerobic bacteria, and the corruption, decomposition, and fermentation of organic matter make the water body become Black and smelly. A few days ago, low dissolved oxygen and low aerobic micr...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C02F3/32C02F3/34C02F7/00
CPCC02F3/32C02F3/34C02F7/00C02F2103/007C02F2209/22Y02W10/10
Inventor 李贤贺治国李晶
Owner HUNAN HENGKAI ENVIRONMENT TECH INVESTMENT CO LTD
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