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A high-concentration odor treatment process

A treatment process, high-concentration technology, applied in the direction of air quality improvement, separation method, dispersed particle separation, etc., to achieve the effect of reducing treatment time, reducing treatment cost, and improving deodorization effect

Active Publication Date: 2022-07-15
CHINA URBAN CONSTR DESIGN & RES INST CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] In the prior art, the treatment processes for high-concentration odor mainly include biological method, ion method and combined deodorization method. To be further improved to improve deodorization efficiency and reduce deodorization cost

Method used

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  • A high-concentration odor treatment process

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Experimental program
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Effect test

Embodiment 1

[0026] like figure 1 As shown, the biological filter box of the present application is divided into three independent chambers 1, 2, and 3, and the combination ratios of the microbial strains of the biological fillers in the chambers 1, 2, and 3 are different, and the first chamber 1 is connected to the air inlet pipeline. 4. The third chamber is connected to the air outlet pipeline 5 and the waste liquid discharge pipeline 6. H is set in the chambers 1, 2, and 3. 2 S Concentration Monitor 10 and NH 3 The concentration monitor 11 and the nutrient solution spraying device 9, the nutrient solution is provided by the nutrient solution supply device 7, the weight ratio of microorganisms in the biological fillers in the first, second and third chambers is 7%, and the first, second, A thermometer and a temperature control device 8 are arranged in the third chamber, the temperature control device is a cooling device, and the temperature in the chamber is kept at 29-32°C; the treatme...

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Abstract

The application discloses a high-concentration odor treatment process. The biological filtration process is used to treat the high-concentration odor. The filter box is divided into three independent chambers. The combination ratio of strains is different, and H is set in the chamber 2 S and NH 3 Concentration monitor for high concentrations of H 2 S and NH 3 The adjustment of the treatment process of the sludge drying tail gas can significantly reduce the treatment time of high-concentration odor and increase the H 2 S and NH 3 The removal rate of high-concentration odor is reduced, and the treatment cost of high-concentration odor is reduced.

Description

technical field [0001] The invention belongs to the field of environmental protection, in particular to a high-concentration odor treatment process. Background technique [0002] The sludge drying process can greatly reduce the moisture content of the wet sludge, but then a large amount of exhaust gas will be discharged. In the thin-layer drying process, as the heating medium heats and evaporates the wet sludge, water and The vaporizable solutes and volatile organic compounds are discharged from the dryer to form drying tail gas. The tail gas contains high concentration of odor, and the odor is mainly H 2 S and NH 3 , H 2 The concentration of S is 800-1500mg / m 3 , NH 3 The concentration of 900-1700mg / m 3 . [0003] In the prior art, the treatment processes for high-concentration odor mainly include biological method, ion method and combined deodorization method. The combination of various deodorization processes can realize deodorization processes with different charac...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01D53/85B01D53/52B01D53/58B01D53/30
CPCB01D53/85B01D53/52B01D53/58B01D53/30B01D2251/95Y02A50/20
Inventor 皮猛张波王莉童琳郝粼波刘涛
Owner CHINA URBAN CONSTR DESIGN & RES INST CO LTD
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