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Waste gas treatment equipment for air film-biological reactor

A technology for waste gas treatment equipment and bioreactors, which is applied in air quality improvement, chemical instruments and methods, separation methods, etc., can solve the problems of substandard exhaust gas, prolonged residence time, high operating costs, and achieve stable outlet gas concentration. The effect of reducing auxiliary equipment and the number of sprays

Inactive Publication Date: 2005-06-08
RES CENT FOR ECO ENVIRONMENTAL SCI THE CHINESE ACAD OF SCI
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AI Technical Summary

Problems solved by technology

but cannot handle high concentrations of pollutants
[0007] The common defect of these three types of exhaust gas biological treatment equipment is that it is difficult to effectively remove the slow biodegradable substances due to the need to maintain a certain biomass and residence time for microbial degradation of pollutants
Using the method of increasing the volume of the equipment to prolong the residence time will bring problems such as large floor area, complex equipment, large investment, and high operating costs.
When the load of the bioreactor changes, especially when it suddenly increases, the pollutants in the exhaust gas cannot be degraded by microorganisms in time, resulting in the phenomenon that the exhaust gas does not meet the standard
In addition, the gas pre-wetting equipment in the biological filter, the gas scrubbing equipment in the biological scrubber and the biological trickling filter all need a large amount of circulating water, which consumes a lot of energy.

Method used

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  • Waste gas treatment equipment for air film-biological reactor
  • Waste gas treatment equipment for air film-biological reactor
  • Waste gas treatment equipment for air film-biological reactor

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Embodiment 1

[0032] See figure 1 .

[0033] Air film-bioreactor exhaust gas treatment equipment made of plastic plates, its length, width and height are 30cm, 15cm, 1200cm respectively, including bioreactor 11 with packing, gas separator 5, etc.; Bioreactor 11, equipped with air membrane module 13 (membrane area is 0.2-0.3m 2 ) gas separator 5 and a desiccant drier 6 constitute;

[0034] An air inlet 2 is opened on the lower side wall of the bioreactor 11, and a perforated pipe 1 is installed at the air inlet 2. The other side wall of the lower part is provided with a water outlet 12, the air inlet 2 should be lower than the water outlet 12, and the upper side wall is provided with a spray liquid inlet 9, and there is another perforated pipe 8 at the inlet 9;

[0035] The inside of the bioreactor 11 is filled with fillers 10 such as sponge or perlite, and the other side wall of the upper part is provided with an air outlet pipe 7, and the air outlet pipe 7 is connected to the dryer 6; ...

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Abstract

A gas film-type bioreactor system for treating waste gas is composed of a bioreactor, a gas separator, containing a gas film module and with concentrated gas flowing-back tube and gas outlet, and a drier. Said bioreactor containing filler in it has gas inlet, water outlet and gas outlet tube. Its advantage is through degradation of harmfull substance in waste gas.

Description

technical field [0001] The invention relates to the field of environmental protection technology, and belongs to equipment for treating exhaust gas by using a bioreactor, in particular to an air film-bioreactor exhaust gas treatment equipment. Background technique [0002] Pollutants in exhaust gas include organic pollutants and inorganic pollutants. It mainly comes from life and industrial production. Such as manure treatment, domestic garbage and food decay, petrochemical industry, livestock slaughtering and meat processing, aquatic product processing, oil industry, oil refining, coking, gas, fertilizer, pharmaceuticals, leather manufacturing, papermaking, synthetic materials, sewage treatment and garbage treatment and other industries. [0003] The biological treatment of waste gas is the process of using microorganisms to degrade or convert organic pollutants or odorous substances in waste gas into harmless or low-harm substances. Compared with other physical and chem...

Claims

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Application Information

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IPC IPC(8): B01D53/84
CPCY02A50/20
Inventor 李琳刘俊新
Owner RES CENT FOR ECO ENVIRONMENTAL SCI THE CHINESE ACAD OF SCI
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