CN100998883A - System for treating odour compound in dirty air and its method - Google Patents
System for treating odour compound in dirty air and its method Download PDFInfo
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- CN100998883A CN100998883A CN 200610004940 CN200610004940A CN100998883A CN 100998883 A CN100998883 A CN 100998883A CN 200610004940 CN200610004940 CN 200610004940 CN 200610004940 A CN200610004940 A CN 200610004940A CN 100998883 A CN100998883 A CN 100998883A
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- Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
Abstract
A plant-microbe symbiotic system for treating the offensive compounds in foul air is composed of the uliginous plant, the microbial consortium consisting of bacteria, photosynthetic and sexual heterotrophic algae and yeast, and a filled bed. Its treating process includes such steps as introducing said foul air to the bottom of said system, making it flow through said filled bed for degradating it by biochemical reaction, and releasing the treated air from the top of system.
Description
Technical field
The present invention relates to a kind of system that is used for handling the air pollution malodorous compound.Especially, the present invention relates to the system that adopts a kind of novel plant-microorganism symbiotic system that the malodorous compound in the air flow is carried out a biological disposal upon.By this system, carry the malodorous compound mixture, promptly the air pollution of VOC (VOCs), sulfur-containing compound and nitrogen-containing compound can obtain effectively and processing simultaneously.In addition, the present invention also provides the method for utilizing this system that malodorous compound in the air pollution is handled.
Background technology
When industry is flourishing day by day, also brought a series of problem of environmental pollutions, it is a kind of sensation public hazards that foul gas wherein pollutes, and has become one of seven overall situation public hazards in the world.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 chemical washing method, active carbon adsorption, thermal oxidation method, medicine liquid spray method etc., but there is the cost of investment height in these methods, and equipment is various, complex process, and handling property is limited, defective such as cure the symptoms, not the disease.For this reason, people begin one's study and have proposed the biological filter deodorizing method.
For example, U.S. Patent No. 6,403,366 disclose a kind of airborne pollutant of removing, as VOC, foul smell and biodegradable aerosol/particle, and convert them to carbon dioxide and water with bioreactor and biological method.
U.S. Patent No. 6,019,810 disclose a kind of exhaust treatment system of removing waste gas from gas stream, the Calcareous material unit that has a plurality of random alignment in this intrasystem packing material, liquid staying portion in this unit can form liquid storage tank, in the part liquid storage tank, remain with suitable antibacterial, thereby make this system can serve as biofilter or biological cleaning device.
U.S. Patent No. 5,891,711 disclose a kind of biological apparatus for correcting of removing VOC (VOC ' s) from contaminated, and this device comprises multi-layer biological filter on the ground, and wherein each layer all is equipped with the medium of biologically active.
U.S. Patent No. 5,869,323 disclose a kind of air filter unit and method, and this equipment comprises at least one bioreactor bed that the air that will be purified passes therethrough.
U.S. Patent No. 5,821,114 disclose a kind of air-polluting apparatus and method of filter process of passing through, wherein this filter comprises frame parts, be arranged in the gas infiltration supporter of the opening that this frame parts limits, and being arranged on biofiltration material in this supporter, this biofiltration material comprises filter substrate and micropopulation.When the filter,, thereby pollutant have been removed in contaminant stream because pollutant contact with dampness in the biofiltration material and degraded by micropopulation.
U.S. Patent No. 5,503,738 disclose the method that makes the gas stream that contains one or more pollutant flow through and comprise the bioreactor of a plurality of biologically active bodies and remove gaseous contaminant, and wherein the biologically active bodies that is adopted comprises by the big pore matrix of anti-material manufacture of decomposing and one or more and can remove the microorganism of one or more described pollutant.
Chinese patent application No.02114976.3 discloses a kind of method and apparatus that utilizes biofilter material to carry out biological deodorizing, wherein this biofilter material is a filler with corrosion resistant Plant fiber thing or its mixture of porous materials, and inoculation has microorganisms such as yeast, antibacterial and actinomycetes in filler.
Chinese patent application No.200410056981.8 discloses and has a kind ofly utilized specific biofilter material to carry out the deodorant method, this method is issued to the purpose of degradation of contaminant by making odor pollution gas at the biochemical action of microorganism through specific biofilter material, wherein the biofilter material that is adopted is the mixture based on the multiple material of vegetative fiber metallic substance, and the microorganism Pseudomonas then comprises Thiobacillus and shuttle shape bacillus sp, Rhodopseudomonas and Nitrobacter.
This shows, in the biological filter deodorizing method of prior art, be the structure that is conceived to improve biofilter or bioreactor mostly, or adopt the new bio filtrate that is loaded with microorganism, especially antibacterial to improve the effect of removing gaseous contaminant.Yet up to now, Shang Weiyou adopts the plant-microorganism cogeneration system to handle the report of the malodorous compound in the contaminated air.For this reason, applicant's discovery employing plant-microorganism cogeneration system in experiment widely can be removed the malodorous compound in the contaminated air efficiently, and on this basis, the applicant has proposed the present invention.
Summary of the invention
The invention provides a kind of system that is used for handling the air pollution malodorous compound, this system is the plant-microorganism cogeneration system that comprises plant, microorganism consortium and packed bed, wherein said microorganism consortium comprises antibacterial, photosynthetic facultative heterotrophism algae and saccharomyces fermentati, described plant is a wetland plant, and described packed bed constitutes by being suitable for the inserts that gas and flow of liquid distribute in plant growing and fixing, attached growth of microorganisms and the system.
In system of the present invention, described plant grows in packed bed, and described microorganism consortium has then occupied whole packed bed and plant roots.Especially, the root of plant provides the mooring point for growth of microorganism, and also having concentrated simultaneously will be by biodegradable malodorous compound.Therefore, the root of plant impels microorganism to carry out the nature migration and form root nodule towards the direction of root, thereby has set up stable cogeneration system.
Aspect of system of the present invention, described microorganism consortium is made of the microorganism of degradable malodorous compound, and it comprises antibacterial, photosynthetic facultative heterotrophism algae and saccharomyces fermentati.Wherein, described antibacterial is preferably in the group that facultative bacteria, aerobic heterotrophic bacteria, photoheterotrophy antibacterial, auto-trophy antibacterial, sulfur/nitrogen degradation antibacterial and its mixture constitute.For example, described antibacterial can be lactobacillus (Lactobacillus), actinomycetes (Actinomycetes), rhodopseudomonas (Rhodopseudomonas); Described photosynthetic facultative heterotrophism algae can be Chrysophyta algae (Chrysophyta); Described saccharomyces fermentati can be Saccharomycodes yeast (Saccharomyces).Wherein, lactobacillus (Lactobacillus) is aerobic heterotrophic bacteria, and Saccharomycodes yeast (Saccharomyces) is a saccharomyces fermentati, and their effect is that VOCs is converted into water under the situation of aerobic, carbon dioxide and new life body; Actinomycetes (Actinomycetes) are facultative bacterias, and its effect is the palliating degradation degree that improves VOC, and produce the probiotic bacteria that suppresses morbific and undesirable saprophytic microbe; Rhodopseudomonas (Rhodopseudomonas) is the auto-trophy antibacterial, Chrysophyta algae (Chrysophyta) is photosynthetic facultative heterotrophism algae, they all are sulfur/nitrogen degradation microorganisms, effect is degraded sulfur-containing compound (as hydrogen sulfide and mercaptan) and nitrogen-containing compound (as ammonia and amine), their photosynthetic properties also makes them can generate oxygen, carries out aerobic degradation to supply with other commensalism microorganism.Other example of the microorganism of degradable malodorous compound has: Thiobacillus (Thiobacillus spp.), pseudomonas (Pseudomonas spp.), Nocard's bacillus (Nocardia spp.), arthrobacterium (Arthrobacter spp.), Nitrosomonas (Nitrosomonas spp.), and come from microorganism in the mud of waste water treatment plant or the like.
Preferably, described antibacterial is made of lactobacillus (Lactobacillus), actinomycetes (Actinomycetes), rhodopseudomonas (Rhodopseudomonas); Described photosynthetic facultative heterotrophism algae is Chrysophyta algae (Chrysophyta); Described saccharomyces fermentati is Saccharomycodes yeast (Saccharomyces); In this case, initial proportion between described lactobacillus, actinomycetes, rhodopseudomonas, Chrysophyta algae and the Saccharomycodes yeast is preferably 1: 1: 1: 1: 1, the ratio regular meeting between them was regulated voluntarily according to the composition of processed malodorous compound.For example, after shaking down, the microbial numbers ratio will be carried out self regulation according to the composition of malodorous compound in the air pollution, works as H
2When S concentration is higher, then there are more rhodopseudomonas and Chrysophyta algae.
In system of the present invention on the other hand, described plant is a wetland plant, for example be selected from parasol grass (Cperus alternifolius, English name is umbrella plant (Umbrella Plant)), Canna generalis Bailey (Cannaindica, be also referred to as Indian-shot), Herba Scirpi Tabernaemontani (Scirpus validus, be also referred to as soft stem Herba Typhae (softstembulrush)), Caulis Miscanthis floriduli (Vetiveria zizanioides, be also referred to as Vetiveria zizanoides (Vetiver)), and in the group of phragmites communis (Phragmite spp., English name are Reed) and its mixture formation.These all are the plants that is usually used in plant's wastewater treatment on the wetland, and the root of wetland plant (as parasol grass (Cyperusalternifolius)) provides the mooring point for microbial growth, and has also concentrated malodorous compound with biodegrade.As mentioned above, the result is that the root of wetland plant causes that microorganism has formed root nodule to the plant root migration naturally, has therefore set up stable syntaxial system.The plant optimization that adopts in the processing system of the present invention is the parasol grass.
In system of the present invention, there is not fixed proportion between plant and the microorganism, on the contrary, the number of plant should be relevant with the surface area of system.Preferably, the number of plant is 0.6-2.0 strain/m on the per unit area of system
2
In system of the present invention on the other hand, the packed bed that described inserts constitutes should provide enough big surface area, fixes with the growth of microorganism and the plant that help adhering to; The packed bed that described inserts constitutes can keep enough big porosity, shifts to help gas flow and pollutant; In addition, it is durable also requiring the material of the inserts of formation packed bed, does not stop up, and resists decomposition and resistance to compression in fact.The selection that is suitable for inserts of the present invention is widely, and prerequisite is that selected inserts can satisfy above-mentioned requirements.The concrete composition and the particle size distribution of inserts also should be selected according to above-mentioned requirements.
For example, inserts of the present invention can be the mixture of following a, b, three groups of materials of c:
A. cinder, activated carbon, peat, perlite, Vermiculitum or its mixture;
B. soil, compost, wood flour, bark or its mixture;
C. fire-resistant expanded clay granule (FECP), polystyrene microbeads, glass microballoon, damaged tire glue or its mixture.
The preferable range of the porosity of the packed bed that is made of inserts is 0.4-0.8, more preferably 0.65-0.70.
Preferably, comprise the cinder of 50%-70%, the soil of 15%-25% and the fire-resistant expanded clay granule (FECP) of 15%-25% in the described inserts.Above-mentioned percentage ratio is percent by volume.Further preferably, described inserts is by cinder: soil: FECP=3: the mixture of 1: 1 (volume ratio) constitutes.In this case, the granule median particle diameter (D50) of preferred inserts is 6.2mm, and uniformity coefficient is 15.5; The coefficient of curvature of inserts is 1.9, and the porosity of the packed bed that is constituted then is 0.68.
Preferably, system of the present invention also comprises recycled liquid.Recycled liquid is used to keep the optimum humidity in the packed bed, to help microbial growth and to remove owing to what odorant pollutant generation biodegradation produced toxic byproduct is arranged.In addition, recycled liquid has also been replenished the nutrition that is lacked in the stench releaser, thereby helps growth of microorganism and the normal performance of having kept system.Recycled liquid can be a water, also can be made of other mineral buffer, can include NH in the mineral buffer
4Cl, KH
2PO
4, K
2HPO
4, MgCl
2H
2O, CaCl
2And trace materials such as Na
2-EDTA, ZnSO
47H
2O, MnCl
2.4H
2O, FeSO
47H
2O, CuSO
45H
2O and thiosulfate etc. are to promote microbial growth.The flow rates of recycled liquid is preferably 0.1-5m on the processing system per unit area of the present invention
3/ m
2/ h.
Preferably, system of the present invention can design growth: wide: high=5: 3: 2 tank body.
The present invention also provides a kind of method of utilizing processing system of the present invention to handle malodorous compound in the air pollution, and this method comprises:
A. air pollution is directed to the bottom of processing system and it is distributed in the bottom,
B. carry out biochemical reaction under the effect of the microorganism consortium of the malodorous compound in the air pollution in described system and degrade;
C. treated air discharges from the top of processing system.
Preferably, described method also comprises the following steps:
Recycled liquid is guided to the top of packed bed, make it carry out drip and discharge from the bottom.The recycled liquid that discharges turns back in the recirculation tank body, and is directed to the top of packed bed under the effect of pump once more.
Native system can be used for handling various industrial processes, the stench air pollution that is produced as chemicals maker, municipal wastewater treatment plant, refuse transfer station, agricultural production enterprise, compost factory and food processing factory.Compare with traditional biological treatment system, this system is a plant-microorganism consortium cogeneration system, plant roots can make in the packed bed malodorous compound that is degraded is concentrated, simultaneously, plant roots also can impel microorganism to carry out the nature migration and form root nodule towards the direction of root, thereby improved the speed of biochemical reaction, had excellent odor removal efficient and elimination ability.
Description of drawings
Fig. 1 is the sketch map that the present invention is used for handling the system of air pollution malodorous compound;
Fig. 2 is the true picture that the present invention is used for handling the system of air pollution malodorous compound.
The specific embodiment
Though above described content of the present invention, but in order to make the technical staff can be expressly understood each ins and outs of the present invention and advantage thereof more, thereby can implement the technical solution of the utility model according to the description of this paper, hereinafter will launch to describe to the specific embodiment of the present utility model with further reference to accompanying drawing.
Embodiment 1
Adopt rectangular tank body to constitute the processing system that present embodiment is used for handling the air pollution malodorous compound, the length of this system: wide: high=5: 3: 2.
As depicted in figs. 1 and 2, this system is a plant-microorganism cogeneration system, and plant wherein is the parasol grass; Microorganism consortium is by the lactobacillus that comprises the antibacterial class, actinomycetes, rhodopseudomonas, and the Saccharomycodes yeast of saccharomyces fermentati class and the Chrysophyta algae of algae are formed in 5 kinds of interior microorganisms.Each microorganism in the specific function of degraded aspect the malodorous compound as described in the following biochemical reaction:
In this equilibrated ecosystem, lactobacillus and Saccharomycodes yeast carry out the aerobic-type degraded to VOCs.The probiotic bacteria that actinomycetes produced also plays inhibitory action to morbific and unwanted saprophytic microbe except that carrying out the VOCs degraded.In rhodopseudomonas and Chrysophyta algae degraded hydrogen sulfide and mercaptan (sulfur-containing compound) and ammonia and amine (nitrogen-containing compound), their photosynthetic properties also makes them can generate the required oxygen of VOCs aerobic degradation that other commensalism thing carries out.The root of parasol grass provides the mooring point for growth of microorganism, and also having concentrated simultaneously will be by biodegradable malodorous compound.Therefore, root impels microorganism to carry out the nature migration and form root nodule towards the direction of root, thereby has set up stable cogeneration system.
Initial proportion in the microorganism consortium between lactobacillus, actinomycetes, rhodopseudomonas, Chrysophyta algae and the Saccharomycodes yeast is preferably 1: 1: 1: 1: 1, the ratio between them was according to the composition of processed malodorous compound is regulated voluntarily.For example, after shaking down, the microbial numbers ratio will be carried out self regulation according to the composition of the malodorous compound that discharges, and works as H
2When S concentration is higher, then there are more rhodopseudomonas and Chrysophyta algae.The number of parasol grass is 0.6-2.0 strain/m on the per unit area of system
2
Be equipped with in the rectangular tank body by 3 kinds of materials, i.e. the inserts that mixes fully of cinder, soil and fire-resistant expanded clay granule (FECP), wherein, cinder: soil: FECP=3: 1: 1 (volume ratio); The granule median particle diameter (D50) of inserts is 6.2mm, and uniformity coefficient is 15.5; The coefficient of curvature of inserts is 1.9; The porosity of the packed bed that inserts constituted then is 0.68.The packed bed that this inserts constituted is that plant is fixed and grows, also be attached growth of microorganisms and in system the substrate of distributing gas and flow of liquid.Plant grows in soil, and microorganism consortium has occupied in the whole packed bed and plant roots.
The work process of this system is: under the adverse current of gas and flow of liquid, system works as the drip biofilter.Air pollution is directed to the bottom of system and it is distributed in the bottom.In this system, malodorous compound is converted to liquid phase from gas phase, and degrades by microorganism habitant's biochemical reaction.Treated gas discharges from the top of system.Simultaneously, recycled liquid is carried out drip at the top of packed bed and is discharged and turn back to the recirculation tank body from the bottom.
Air sample after the processing of gathering the air pollution sample be directed to the system bottom respectively and discharging from the system top, and measuring the wherein content of malodorous compound, to estimate odor removal efficient and the maximum elimination ability that the present invention is used for handling the system of air pollution malodorous compound, result's (test condition: a best empty bed retention time is 15s) as shown in table 1.
Table 1 is estimated the test data of the system of the present invention odor removal efficient and the ability of elimination
| Malodorous compound | Remove efficient (%) | Maximum elimination ability (g/m 3/h) | EBRT(s) |
| Hydrogen sulfide VOCs ammonia | 99 99.9 95 | 70 100 10 | 15 15 15 |
Annotate: EBRT is empty bed retention time.
Table 2 has provided system of the present invention and existing bio-filter technology at the comparative result of removing aspect the malodorous compound.
Table 2 system of the present invention and existing bio-filter technology are at the comparative result of removing aspect the malodorous compound
| Pollutant | Minimum gas concentration | The highest gas concentration | Flow velocity/EBRT | Remove efficient | List of references |
| Phenol butanols H 2S styrene H 2S and NH 3 H 2S and NH 3Butanoic acid butanoic acid and H 2S H 2S NH 3 | 50mg/m 3 10ppm 0ppm 600ppm 5ppm 0ppm 130mg/m 3 1.03g/m 3/h 5ppm 0ppm | 60mg/m 3 10ppm 104ppm 2400ppm 65ppm 58ppm(H 2S)， 164ppm(NH 3) 3000mg/m 3 8.78g/m 3/h 60ppm 200ppm | 20m 3/m 2/h 100m 3/m 2/h N/A 4-8min EBRT 50-150m 3/m 3/h 72 s EBRT 38.2-114.6m 3/m 2/h N/A 28 s EBRT 32 s EBRT | 93-96.6％ 86-97％ 82-95％ 92％ 96％ 95％(H 2S) 95％(NH 3) 99% 99% (butanoic acid) 97% (H 2S) 98.5％ 95％ | Zilli et al.1993 [1] Weckhuysen et al.，1993 [2] Yang and Alibeckoff，1995 [3] Holt and Lackey，1995 [4] Chung et al.2001 [5] Chung et al.2000 [6] Sheridan et al.2003 [7] Li et al.1998 [8] Chung et al.1996 [9] Liang et al.2000 [10] |
List of references:
[1]Zill M.，A.Converti，A.Lodi，M.Del Borghi and G.Ferraiolo，1993，Biotechnology and Bioengineering，41，pp.693-699.
[2]Weckhuysen B.，L.Vriens and H.Verachtert，1993，Applied and Microbiology Biotechnology，39，pp.395-399.
[3]Yang Y.and D.Alibeckoff，1995，Conference on Biofiltration，an Air Pollution Control Technology，pp.165-180.
[4]Holt T.and L.Lackey，1995，Control of gas contaminates in air streams through biofiltration.Tennessee Valley Authority：Environmental Research Center.
[5]Chung Y.C.，C.Huang and C.P.Tseng，2001，Chemosphere，43，pp.1043-1050.
[6]Chung Y.C.，C.Huang，C.P.Tseng，and J.R.Pan，2000，Chemosphere，41，pp.329-336.
[7]Sheridan B.A.，T.P.Curran and V.A.Doff，2003，Bioresource Technology，89，pp.199-205.
[8]Li X.Z.，J.S.Wu and D.L.Sun，1998，Water Science and Technology，38，pp.323-329.
[9]ChungY.C.，C.Huang and C.P.Tsang，1996，Journal of Biotechnology，52，pp.31-38.
[10]Liang Y.K.，X.Quan，J.W.Chem，J.S.Chung，J.Y.Sung，S.Chen，D.Xue and Y.Z.Zhao，2000，Journal of Hazardous Materials，B80，pp.259-269.
In traditional biological treatment system, because hydrogen sulfide and ammonia cause inhibitory action to each other processing, therefore remove inefficiency. Yet the ecosystem of balance of the present invention can be processed hydrogen sulfide and ammonia simultaneously. The present invention has adopted the plant-microorganism cogeneration system, and the wetland plant that wherein adopts has high absorbent capacity such as careless grade of umbrella morning, therefore makes and in the packed bed malodorous compound that is degraded can be concentrated; The root of plant can impel microorganism to carry out nature migration and form root nodule towards the direction of root, thereby improves whole except foul smell efficient. In addition, the selection of inserts is also contributed to some extent to treatment effeciency, and such growth of microorganism that is designed to adhere to and biofilter are set up provides sufficient surface. Therefore, greatly improved the speed (biochemical reaction is the limited step of processing method medium velocity normally) of biochemical reaction. The odor removal efficient of this excellence can reduce the overlay area of system, thereby compares with traditional biological stench processing system, and fund input has reduced by 30%.
In addition, can be by inserts and the best effective particle size of selecting optimum size ratio, specific type and composition in the engineering hardware design, pressure drop is lower than traditional system is higher to make the porosity that realizes, long-time stability have been obtained in addition, so solved the aging and compactness problem of legacy system. Therefore, compare with traditional biosystem, operating cost and maintenance cost can reduce by 25%.
Claims (18)
1. system that is used for handling the air pollution malodorous compound, this system is the plant-microorganism cogeneration system that comprises plant, microorganism consortium and packed bed, and wherein said microorganism consortium comprises antibacterial, photosynthetic facultative heterotrophism algae and saccharomyces fermentati; Described plant is a wetland plant; Described packed bed constitutes by being suitable for the inserts that gas and flow of liquid distribute in plant growing and fixing, attached growth of microorganisms and the system.
2. system according to claim 1 is characterized in that described plant grows in packed bed, described microorganism consortium has then occupied whole packed bed and plant roots.
3. system according to claim 1 and 2 is characterized in that, described antibacterial is selected from one or more in the group that facultative bacteria, aerobic heterotrophic bacteria, photoheterotrophy antibacterial, auto-trophy antibacterial, sulfur/nitrogen degradation antibacterial constitutes.
4. system according to claim 3 is characterized in that, described antibacterial is lactobacillus, actinomycetes, rhodopseudomonas; Described photosynthetic facultative heterotrophism algae is the Chrysophyta algae; Described saccharomyces fermentati is the Saccharomycodes yeast; Ratio between described lactobacillus, actinomycetes, rhodopseudomonas, Chrysophyta algae and the Saccharomycodes yeast is initially 1: 1: 1: 1: 1, and should regulate voluntarily according to the composition of processed malodorous compound than regular meeting.
5. system according to claim 1 and 2 is characterized in that, described plant is selected from one or more in the group that parasol grass, Canna generalis Bailey, Herba Scirpi Tabernaemontani, Caulis Miscanthis floriduli and phragmites communis constitute.
6. system according to claim 5 is characterized in that, described plant is the parasol grass.
7. system according to claim 5 is characterized in that, the number of plant is 0.6-2 strain/m on the described system per unit area
2
8. system according to claim 1 is characterized in that, described inserts is the mixture of a, b, three groups of materials of c:
A. cinder, activated carbon, peat, perlite, Vermiculitum or its mixture;
B. soil, compost, wood flour, bark or its mixture;
C. fire-resistant expanded clay granule, polystyrene microbeads, glass microballoon, damaged tire glue or its mixture.
9. system according to claim 8 is characterized in that, described inserts is the cinder of 50%-70%, the soil of 15%-25% and the particulate mixture of fire-resistant expanded clay of 15%-25%, and above-mentioned percentage ratio is percent by volume.
10. system according to claim 9 is characterized in that, described inserts is by cinder: soil: the mixture of fire-resistant expanded clay granule=3: 1: 1 constitutes, and aforementioned proportion is a volume ratio.
11. any described system is characterized in that according to Claim 8-10, the porosity of described packed bed is 0.4-0.8.
12. system according to claim 11 is characterized in that, the porosity of described packed bed is 0.65-0.70.
13. system according to claim 1 is characterized in that, described system also comprises recycled liquid.
14. system according to claim 13 is characterized in that, described recycled liquid is water or mineral buffer.
15., it is characterized in that the flow rates of described circulating fluid is 0.1-5m according to claim 13 or 14 described processing systems
3/ m
2/ h.
16. system according to claim 1 and 2 is characterized in that, described system is long: wide: high=5: 3: 2 tank body.
17. one kind is utilized among the claim 1-16 method of malodorous compound in any described system handles air pollution, it comprises:
A. air pollution is directed to the bottom of described system and it is distributed in the bottom,
B. in the process of the packed bed of the described system that upwards flows through, carry out biochemical reaction under the effect of the microorganism consortium in described system of the malodorous compound in the air pollution and degrade;
C. treated air discharges from the top of described system.
18. method according to claim 17 is characterized in that, described method also comprises the following steps:
Recycled liquid is guided to the top of described packed bed, make it carry out drip and discharge from the bottom.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
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| CNB2006100049403A CN100518834C (en) | 2006-01-12 | 2006-01-12 | System for treating odour compound in dirty air and its method |
| HK07109126.1A HK1104485A1 (en) | 2006-01-12 | 2007-08-22 | A novel symbiotic system of plant-microbial consortium for treating odorous compounds in fouled air |
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| CNB2006100049403A CN100518834C (en) | 2006-01-12 | 2006-01-12 | System for treating odour compound in dirty air and its method |
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| CN100518834C CN100518834C (en) | 2009-07-29 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101970085A (en) * | 2007-12-28 | 2011-02-09 | 雷恩宇宙有限责任公司 | Method of removing harmful substances |
| CN101973636A (en) * | 2010-09-26 | 2011-02-16 | 山东大学 | Distributed water inflow enhanced biological denitrification subsurface flow wetland |
| 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 |
| CN101804214B (en) * | 2009-12-30 | 2011-08-31 | 沈阳科丰牧业科技有限公司 | Air purifying preparation of animal house |
| CN102357343A (en) * | 2011-10-31 | 2012-02-22 | 长沙理工大学 | Ecological greenhouse for treating malodor and organic waste gas |
| CN104940968A (en) * | 2015-07-23 | 2015-09-30 | 成都千方百剂科技有限公司 | Biological air freshener and preparation method thereof |
| CN110832067A (en) * | 2017-07-03 | 2020-02-21 | 橡树生物公司 | Novel microbial biomass based feed products |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5413714A (en) * | 1993-04-16 | 1995-05-09 | Alliedsignal Inc. | Process for biological remediation of vaporous pollutants |
| JP4531162B2 (en) * | 1999-08-03 | 2010-08-25 | 株式会社アクトリー | Air purification device |
| CN1194798C (en) * | 2002-03-19 | 2005-03-30 | 广东省微生物研究所 | Biologic deodorization method and its device |
| CN2550047Y (en) * | 2002-05-31 | 2003-05-14 | 北京世纪赛德科技有限责任公司 | Air purifier for artificial wet land plant bed |
-
2006
- 2006-01-12 CN CNB2006100049403A patent/CN100518834C/en active Active
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2007
- 2007-08-22 HK HK07109126.1A patent/HK1104485A1/en unknown
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101970085A (en) * | 2007-12-28 | 2011-02-09 | 雷恩宇宙有限责任公司 | Method of removing harmful substances |
| 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 |
| CN101804214B (en) * | 2009-12-30 | 2011-08-31 | 沈阳科丰牧业科技有限公司 | Air purifying preparation of animal house |
| CN101973636A (en) * | 2010-09-26 | 2011-02-16 | 山东大学 | Distributed water inflow enhanced biological denitrification subsurface flow wetland |
| CN102357343A (en) * | 2011-10-31 | 2012-02-22 | 长沙理工大学 | Ecological greenhouse for treating malodor and organic waste gas |
| CN102357343B (en) * | 2011-10-31 | 2013-06-19 | 长沙理工大学 | Ecological greenhouse for treating malodor and organic waste gas |
| CN104940968A (en) * | 2015-07-23 | 2015-09-30 | 成都千方百剂科技有限公司 | Biological air freshener and preparation method thereof |
| CN110832067A (en) * | 2017-07-03 | 2020-02-21 | 橡树生物公司 | Novel microbial biomass based feed products |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100518834C (en) | 2009-07-29 |
| HK1104485A1 (en) | 2008-01-18 |
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