CN1445013A - Biologic deodorization method and its device - Google Patents

Biologic deodorization method and its device Download PDF

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Publication number
CN1445013A
CN1445013A CN02114976A CN02114976A CN1445013A CN 1445013 A CN1445013 A CN 1445013A CN 02114976 A CN02114976 A CN 02114976A CN 02114976 A CN02114976 A CN 02114976A CN 1445013 A CN1445013 A CN 1445013A
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Prior art keywords
yeast
bacillus
filler
gas
biofilter
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CN02114976A
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CN1194798C (en
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
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Guangdong Institute of Microbiology
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Guangdong Institute of Microbiology
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters

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 their mixture 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

A kind of biologic deodorization method and device thereof
Technical field
The present invention relates to processing method and device to the foul gas deodorize.
Background technology
Stench is meant that gaseous material passes through a kind of psychological unplessantness displeasure or the detest sense of people's olfactory sensation generation, and odor pollution is a kind of sensation public hazards, has become one of seven overall situation public hazards in the world.Along with socioeconomic continuous development, rubbish stench problem becomes increasingly conspicuous, and seriously disturbs people's orthobiosis, and harm people's health.Along with the raising of people to environmental quality requirement, odor pollution is administered and is seemed more and more urgent.The method of conventional process foul gas is physics, chemical method, mainly contains methods such as soda acid absorption, chemisorbed, catalytic combustion.These method cost of investment height, equipment is various, complex process, energy consumption is big.For this reason, people begin one's study with the method for biofiltration deodorize, but the most deodorization efficiency of disclosed at present biological deodorization method is low excessively, and complex process fails to reach industrial requirement of actual application.
Summary of the invention
It is simple to the objective of the invention is to propose a kind of process equipment, and operating cost is low, can make the foul gas deodorize make it to reach the biologic deodorization method and the application apparatus thereof of discharge standard rapidly.
The present invention is the method for a kind of applying biological Filtration to the foul gas deodorize, it is characterized in that making and wait to remove odour by a kind of biofilter material, this gas is contacted with biofilter material filter back one-tenth Purge gas discharge, said biofilter material is the filler that a kind of inoculation has microorganism, said filler is the mixture of corrosion resistant Plant fiber thing or porous materials or corrosion resistant Plant fiber thing and porous materials, these materials mainly have following effect: the absorption microorganism, as microbe carrier, nutrient is provided for the microorganism of being inoculated.The microorganism of being inoculated in the filler is yeast and antibacterial, said yeast is mycocandida (Candida) yeast, Geotrichum (Geotrichum) yeast, Hansenula (Hansenula) yeast, pichia (Pichia) yeast, a kind of in Saccharomyces (Saceharomyces) yeast and Schizosaccharomyces (Schizosaccharomyces) yeast or several, said antibacterial is Nitrobacter (Nitrobacter) antibacterial, Bacillus cercus (Bacillus cereus), Bacillus licheniformis (Bacillus licheriformis), bacillus megaterium (Bacillus megaterium), Bacillus pumilus (Bacillus pumilus), bacillus subtilis (Bacillus subtilis), a kind of in pseudomonas fluorescens (Pseudomonas fluorescens) and the crooked pseudomonas (Pseudomonas geniculata) or several.
On the basis of inoculation mentioned microorganism, adding inoculation has Nocardia (Nocardia) actinomycetes or streptomyces microflavus (streptomyces microflavus), better effects if in the said filler.
Said corrosion resistant Plant fiber thing can adopt one or more mixture of dried bark, mushroom mud, coconut fibre and wood flour.
Said porous materials can adopt haydite or perlite.
Can attach loam in the said filler,, also contain the required nutrient of microorganism in the loam simultaneously to improve the ability of absorption microorganism.But the loam in the filler, its content is advisable to be not more than 30% of filler gross weight.
In filler,, also can but only plant with list to contain corrosion resistant Plant fiber thing and porous materials simultaneously for well.
Said biofilter material, its water content should be controlled at 20~50% scopes.Can be by reaching to regular shower water of filler or microbial culture medium.The spray microbial culture medium also can replenish necessary nutrient to filler.
When only adopting porous materials, then need regularly to spray culture of microorganism and keep and replenish necessary nutrient to filler as filler.
For obtaining deodorising effect preferably, need to regulate the flow that flows through said biofilter material, make the biofilter material surface loading be not more than 560m 3M -1H -1
Adopt the device of the biologic deodorization method of the invention described above to have following structure, comprise aerator, gas washing pond and biofiltration tower.Aerator need the deodorant foul gas blasts the gas washing pond and carries out pretreatment, biofiltration tower is arranged at after the gas washing pond, gas distributor is arranged at the bottom of this biofiltration tower, the top of gas distributor is filled with the biofilter material layer, cat head has spray equipment, tower bottom has air inlet to link to each other with the gas outlet in gas washing pond, and the biofilter material that said biofilter material layer is filled is the filler that the inoculation described in the biologic deodorization method of the invention described above has described microorganism.
Described biofiltration tower, its cat head spray equipment are to inner-tower filling material shower water or microbial culture medium, and keeping the water content of biofilter material in the tower is 20~50%.
Use apparatus of the present invention to the foul gas deodorization, need corrosion-resistant Plant fiber's thing and this two classes material of porous materials or single the kind after material inoculates various described microorganisms respectively with a certain size, be positioned in the biofiltration tower, after foul gas blasts the gas washing pond by aerator, gas outlet output from the gas washing pond, import the air inlet of biofiltration tower bottom again, feed the biofilter material layer through gas distributor, contact, filter and be cleaned with the biofilter material of microbe inoculation, purified gas is discharged by cat head.The spray equipment of cat head keeps certain relative humidity environment in the tower regularly to biofilter material shower water or microbial culture medium, and spray liquid is gone out by tower bottom flow.
Regulate the gas flow that flows into biofiltration tower, make the surface gas load that flows through the biofilter material layer be not more than 560m 3M -1H -1, to obtain satisfied deodorising effect.
The inventive method is to the good deodorization effect of foul gas, use the inventive method to foul gas deodorant measure of merit result such as following table:
Biofiltration tower odorant pollutant removal effect (mg/m 3)
Ammonia hydrogen sulfide two sulfur styrene methanthiol methyl sulfide methyl disulfide first two
Change carbon benzene first
Benzene is handled preceding 2.7 0.0066 and is not detected 0.64 0.44 0.06 not
Go out the inspection inspection
Going out out after the processing 0.075 0.0017 does not detect not
Go out the inspection inspection
Go out out primary standard 1.0 0.03 2.0 0.01 0.004 0.03 0.03 //
Biological deodorizing device of the present invention, it is simple to have a device, and the equipment operating cost is low, and maintenance management is convenient, produces advantages such as the probability of secondary pollution is low, therefore has broad application prospects.
Description of drawings
Accompanying drawing is the structural representation of this biological deodorizing device.
Among the figure, 1 is aerator, and 2 is the gas washing pond, and 3 is gas washing pond recirculated water shower nozzle, and 4 is circulating pump, and 5 is mass air flow sensor, and 6 is biofiltration tower, and 7 is gas distributor, and 8 is biological filter material layer, and 9 is drain pipe, and 10 is the spray equipment shower nozzle, and 11 is water pump.
The specific embodiment
Embodiment one
Below pass through the CONSTRUCTED SPECIFICATION of this biological deodorizing device of description of drawings embodiment, this device mainly comprises aerator 1, gas washing pond 2 and biofiltration tower 6, foul gas in the smelly source blasts gas washing pond 2 by aerator 1, the gas outlet in gas washing pond 2 is connected to the air inlet of biofiltration tower bottom by pipeline, gas distributor 7 is arranged at biofiltration tower 6 bottoms, the top of gas distributor is filled with biofilter material layer 8, gas from the gas washing pond flows into biofilter material layer 8 through gas distributor 7, after contacting and filter, purified, discharge by cat head then by deodorize with biofilter material.Cat head has the spray equipment that is made of spray equipment shower nozzle 10 and water pump 11, and the drain pipe 9 of spray liquid at the bottom of by tower discharged.
It is as follows to utilize this biological deodorizing device to carry out the concrete grammar of biological deodorizing: respectively with 1: 100 inoculum concentration inoculation yeast bacterium: Candida utilis (Candida utilis), saccharomyces cerevisiae (Ssceharomyces cerevisiae) chestnut wine fission yeast (Schizosaccharomyces pombe), unusual Hansenula yeast (Hansenula anomala), Christian Breton Pichia sp. (Pichia burtonii); Antibacterial: Bacillus cercus (Bacillus cereus), Bacillus licheniformis (Bacilluslicheriformis), bacillus megaterium (Bacillus megaterium), Bacillus pumilus (Bacillus pumilus), bacillus subtilis (Bacillus subtilis), pseudomonas fluorescens (Pseudomonas fluorescens), crooked pseudomonas (Pseudomonas geniculata); Actinomycetes: streptomyces microflavus (streptomyces microflavus) is to the 200ml fluid medium, and shake-flask culture spends the night.
The filler composition is dry and soft bark, mushroom mud, loam and haydite, by following mixed (volume ratio), and dry and soft bark: mushroom mud: flower mud: haydite=96: 1: 1: 2, be soaked in the tap water, inoculate above-mentioned culture fluid simultaneously, take out after 3 hours, drop in the biofiltration tower.
With the house refuse of Guangzhou garbage compression station as the smelly source of stench, with 48m 3H -1Gas flow feed foul gas.
The rubbish foul gas is by behind the gas washing pond, by entering biofiltration tower at the bottom of the tower, contacts and is cleaned with the biofilter material of microbe inoculation, and purified gas is discharged by cat head.Regularly to filtrate spray tap water, the water content that keeps filtrate is in 30~40% scopes, and spray liquid is gone out by tower bottom flow.
Foul gas is discharged by the biofiltration tower upper end after gas washing, biofiltration tower are handled.Contrast national odorant pollutant factory circle standard value, the concentration of discharging gas is all up to standard.
Embodiment two
Respectively with 1: 10 inoculum concentration inoculation yeast bacterium: chestnut wine fission yeast (Schizosaccharomyces pombe), unusual Hansenula yeast (Hansenula anomala), Candida utilis (Candida utilis), saccharomyces cerevisiae (Saceharomyces cerevisiae); Bacillus megaterium (Bacillus megaterium), Bacillus pumilus (Bacillus pumilus), bacillus subtilis (Bacillus subtilis), streptomyces microflavus (streptomycesmicroflavus) are to the 500ml fluid medium, spend the night behind the shake-flask culture, fully mix.
The filler composition is by following mixed (volume ratio), coconut fibre: Volvariella volvacea (Bull.Ex Franch.) Singer mud: wood flour=50: 4: 46
After inoculating above-mentioned culture fluid, drop in the biofiltration tower.
With 20m 3H -1Gas flow feed organic foul gas.
The rubbish foul gas is by behind the gas washing pond, by entering biofiltration tower at the bottom of the tower, contacts and is cleaned with the biofilter material of microbe inoculation, and purified gas is discharged by cat head.Regularly to filtrate spray tap water, the water content that keeps filtrate is in 30~40% scopes, and spray liquid is gone out by tower bottom flow.
Foul gas is discharged by the biofiltration tower upper end after gas washing, biofiltration tower are handled.Contrast national odorant pollutant factory circle standard value, the concentration of discharging gas is all up to standard.
Embodiment three
Respectively with 1: 10 inoculum concentration inoculation yeast bacterium: chestnut wine fission yeast (Schizosaccharomyces pombe), unusual Hansenula yeast (Hansenula anomala), Candida utilis (Candida utilis), saccharomyces cerevisiae (Saceharomyces cerevisiae); Bacillus megaterium (Bacillus megaterium), Bacillus pumilus (Bacillus pumilus), bacillus subtilis (Bacillus subtilis), streptomyces microflavus (streptomycesmicroflavus) are to the 300ml fluid medium, spend the night behind the shake-flask culture, fully mix.
The filler composition is by following mixed (volume ratio), perlite: haydite=30: 70
After inoculating above-mentioned culture fluid, drop in the filtration tank.
With 20m 3H -1Gas flow feed foul gas.
The rubbish foul gas is by behind the gas washing pond, by entering biofiltration tower at the bottom of the tower, contacts and is cleaned with the biofilter material of microbe inoculation, and purified gas is discharged by cat head.Regularly to filtrate spray culture of microorganism, the water content that keeps filtrate is in 30~50% scopes, and nutrient is provided, and spray liquid is gone out by tower bottom flow.
Foul gas is discharged by the biofiltration tower upper end after gas washing, biofiltration tower are handled.Contrast national odorant pollutant factory circle standard value, the concentration of discharging gas is all up to standard.

Claims (10)

1. biologic deodorization method, it is characterized in that making and wait to remove odour by a kind of biofilter material, this gas is contacted with biofilter material filter back one-tenth Purge gas discharge, said biofilter material is the filler that a kind of inoculation has microorganism, said filler is the mixture of corrosion resistant Plant fiber thing or porous materials or corrosion resistant Plant fiber thing and porous materials, the microorganism of being inoculated in the filler is yeast and antibacterial, said yeast is mycocandida (Candida) yeast, Geotrichum (Geotrichum) yeast, Hansenula (Hansenula) yeast, pichia (Pichia) yeast, a kind of in Saccharomyces (Saceharomyces) yeast and Schizosaccharomyces (Schizosaccharomyces) yeast or several, said antibacterial is Nitrobacter (Nitrobacter) antibacterial, Bacillus cercus (Bacillus cereus), Bacillus licheniformis (Bacillus licheriformis), bacillus megaterium (Bacillus megaterium), Bacillus pumilus (Bacilluspumilus), bacillus subtilis (Bacillus subtilis), a kind of in pseudomonas fluorescens (Pseudomonas fluorescens) and the crooked pseudomonas (Pseudomonas geniculata) or several.
2. biologic deodorization method according to claim 1 is characterized in that in the said filler that also inoculation has Nocardia (Nocardia) actinomycetes or streptomyces microflavus (streptomyces microflavus).
3. biologic deodorization method according to claim 1 is characterized in that said filler also contains loam, and its content is not more than 30% of filler gross weight.
4. biologic deodorization method according to claim 1, the mixture of one or more that it is characterized in that said corrosion resistant Plant fiber thing is dried bark, mushroom mud, coconut fibre and wood flour.
5. biologic deodorization method according to claim 1 is characterized in that said porous materials is haydite or perlite.
6. biologic deodorization method according to claim 1 is characterized in that making its water content be controlled at 20~50% scopes to regular shower water of said biofilter material or microbial culture medium.
7. biologic deodorization method according to claim 1 is characterized in that the surface gas load that flows through said biofilter material is not more than 560m 3M -1H -1
8. biological deodorizing device, comprise aerator, the gas washing pond, it is characterized in that being provided with a biological filtration tank (6) after the gas washing pond, gas distributor is arranged at the bottom of this biofiltration tower, the top of gas distributor is filled with the biofilter material layer, cat head has spray equipment, tower bottom has air inlet to link to each other with the gas outlet in gas washing pond, said biofilter material is the filler that a kind of inoculation has microorganism, said filler is the mixture of corrosion resistant Plant fiber thing or porous materials or corrosion resistant Plant fiber thing and porous materials, the microorganism of being inoculated in the filler is yeast and antibacterial, said yeast is mycocandida (Candida) yeast, Geotrichum (Geotrichum) yeast, Hansenula (Hansenula) yeast, pichia (Pichia) yeast, a kind of in Saccharomyces (Saceharomyces) yeast and Schizosaccharomyces (Schizosaccharomyces) yeast or several, said antibacterial is Nitrobacter (Nitrobacter) antibacterial, Bacillus cercus (Bacillus cereus), Bacillus licheniformis (Bacillus licheriformis), bacillus megaterium (Bacillus megaterium), Bacillus pumilus (Bacillus pumilus), bacillus subtilis (Bacillus subtilis), a kind of in pseudomonas fluorescens (Pseudomonas fluorescens) and the crooked pseudomonas (Pseudomonas geniculata) or several.
9. biological deodorizing device according to claim 7 is characterized in that in the said filler that also inoculation has Nocardia (Nocardia) actinomycetes or streptomyces microflavus (streptomyces microflavus).
10. biologic deodorization method according to claim 7 is characterized in that described biofiltration tower, and its cat head spray equipment makes the water content of biofilter material in the tower remain on 20~50% scopes to inner-tower filling material shower water or microbial culture medium.
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CN1320947C (en) * 2004-08-25 2007-06-13 李晓飞 Method of deodour using biofiltration
CN100375637C (en) * 2005-05-12 2008-03-19 中国农业大学 Biological deodorization and purification agent, and its use
CN100518834C (en) * 2006-01-12 2009-07-29 香港理工大学 System for treating odour compound in dirty air and its method
CN100525886C (en) * 2003-12-01 2009-08-12 杨孟君 Process and system apparatus of biological purification for indoor air
CN101812408A (en) * 2010-03-15 2010-08-25 胡峻 Deodorant yeast for refuse landfill and application technology thereof for refuse deodorization
CN101999519A (en) * 2010-11-02 2011-04-06 戴承镛 Deodorization conditioner and preparation method thereof for bacillus megaterium
CN101284209B (en) * 2008-05-23 2011-06-29 浙江大学 method and system for purifying odor and exhaust gas by liquid phase and solid phase biological integration
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CN107737523A (en) * 2017-10-16 2018-02-27 安庆市华劲农化有限责任公司 A kind of preparation method of trough type fermentation pond deodorization filtrate
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CN108671740B (en) * 2018-05-14 2019-05-28 大江环境股份有限公司 A kind of application of the biological active filling material comprising Meng Shi pseudomonad in purification of sulphur-containing exhaust gas
CN108619899B (en) * 2018-05-14 2019-06-04 大江环境股份有限公司 A kind of biological active filling material comprising Meng Shi pseudomonad
CN108619899A (en) * 2018-05-14 2018-10-09 大江环境股份有限公司 A kind of biological active filling material including Meng Shi pseudomonads
CN108619900B (en) * 2018-05-14 2019-09-06 清华大学 A kind of preparation method of the biological active filling material comprising Meng Shi pseudomonad
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