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Biologic deodorization method and its device

A biological deodorization and microbial technology, applied in deodorization, separation methods, chemical instruments and methods, etc., can solve the problems of failing to meet the requirements of industrial practical application, high investment cost, low deodorization efficiency, etc., and the possibility of achieving it is low. , The effect of low equipment operating cost and simple installation

Inactive Publication Date: 2003-10-01
GUANGDONG INST OF MICROORGANISM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

These methods have high investment costs, various equipment, complex processes, and large energy consumption.
For this reason, people began to study the method of using biological filtration to deodorize, but most of the currently disclosed biological deodorization methods have too low deodorization efficiency and complicated processes, and have failed to meet the requirements of practical industrial applications.

Method used

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  • Biologic deodorization method and its device
  • Biologic deodorization method and its device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] The structural details of the embodiment of the biological deodorization device are illustrated below by accompanying drawings. The device mainly includes a blower 1, a scrubber 2 and a biological filter tower 6. The malodorous gas in the odor source is blown into the scrubber 2 by the blower 1, and is washed The gas outlet of the gas pool 2 is connected to the air inlet at the bottom of the biological filter tower through a pipeline. The lower part of the biological filter tower 6 has a gas distributor 7, and the upper part of the gas distributor is filled with a biological filter material layer 8. The gas from the scrubber is passed through The gas distributor 7 flows into the biological filter material layer 8, is deodorized and purified after being contacted with the biological filter material and filtered, and then discharged from the top of the tower. The top of the tower is provided with a spraying device consisting of a spraying device nozzle 10 and a water pump ...

Embodiment 2

[0037] Inoculate yeasts with an inoculum of 1:10: Schizosaccharomyces pombe, Hansenula anomala, Candida utilis, Saceharomyces cerevisiae; Bacillus megaterium, Bacillus pumilus, Bacillus subtilis, and streptomyces microflavus were added to 500ml of liquid medium, shaken overnight and mixed thoroughly.

[0038] The filler ingredients are mixed according to the following ratio (volume ratio), coconut palm: straw mushroom mud: sawdust = 50:4:46

[0039] After inoculating the above culture solution, put it into the biofiltration tower.

[0040] at 20m 3 h -1 The gas flow is passed into the organic malodorous gas.

[0041] After passing through the scrubber, the odorous gas of garbage enters the biological filter tower from the bottom of the tower, and is purified by contacting with the biological filter material inoculated with microorganisms, and the purified gas is discharged from the top of the tower. Regularly spray tap water to the filter material to keep the water content...

Embodiment 3

[0044] Inoculate yeasts with an inoculum of 1:10: Schizosaccharomyces pombe, Hansenula anomala, Candida utilis, Saceharomyces cerevisiae; Bacillus megaterium, Bacillus pumilus, Bacillus subtilis, and streptomyces microflavus were added to 300ml of liquid culture medium, and mixed thoroughly after shaking the flask overnight.

[0045] The filler components are mixed in the following ratio (volume ratio), perlite: ceramsite = 30:70

[0046] After inoculating the above culture solution, put it into the filter tower.

[0047] at 20m 3 h -1 The gas flow rate is passed into the malodorous gas.

[0048] After passing through the scrubber, the odorous gas of garbage enters the biological filter tower from the bottom of the tower, and is purified by contacting with the biological filter material inoculated with microorganisms, and the purified gas is discharged from the top of the tower. Spray the microbial culture to the filter material regularly, keep the water content of the fil...

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Abstract

A biological deodouring process for the stink gas features that the stink gas is forced to pass through the biologic filter material prepared from anticorrosion plant fibres, porous materia, or theirmixture through inoculating microns (yeast, bacteria, etc) to it. Its apparatus is composed of blower, gas washing pool and biological filter tower. Its advantages are simple apparatus, high effect, low cost, and no secondary pollution.

Description

technical field [0001] The invention relates to a treatment method and device for deodorizing malodorous gas. Background technique [0002] Odor refers to a kind of psychological discomfort or disgust produced by gaseous substances through human sense of smell. Odor pollution is a kind of sensory public hazard and has become one of the seven major environmental public hazards in the world. With the continuous development of social economy, the problem of garbage and stench has become increasingly prominent, which seriously interferes with people's normal life and endangers people's health. With the improvement of people's requirements for environmental quality, the control of odor pollution is becoming more and more urgent. The traditional methods for treating malodorous gases are physical and chemical methods, mainly including acid-base adsorption, chemical adsorption, catalytic combustion and other methods. These methods have high investment costs, various equipment, com...

Claims

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Application Information

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IPC IPC(8): A61L9/00B01D53/85
CPCY02A50/20
Inventor 孙国萍方向平罗永华许玫英曾国驱蔡小伟邓穗儿岑英华
Owner GUANGDONG INST OF MICROORGANISM
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