CN110772971A - Modular microbial filter bed and manufacturing method thereof - Google Patents
Modular microbial filter bed and manufacturing method thereof Download PDFInfo
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- CN110772971A CN110772971A CN201911018746.4A CN201911018746A CN110772971A CN 110772971 A CN110772971 A CN 110772971A CN 201911018746 A CN201911018746 A CN 201911018746A CN 110772971 A CN110772971 A CN 110772971A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/84—Biological processes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/84—Biological processes
- B01D53/85—Biological processes with gas-solid contact
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M1/00—Apparatus for enzymology or microbiology
- C12M1/12—Apparatus for enzymology or microbiology with sterilisation, filtration or dialysis means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
Abstract
The invention provides a modularized microbial filter bed which comprises a plurality of microbial unit filter beds and a bearing platform, wherein the plurality of microbial unit filter beds are arranged on the bearing platform in parallel, each microbial unit filter bed comprises a packing box, combined packing and a microbial film, the combined packing and the microbial film are positioned in the packing box, and the microbial film is attached to the surface of the combined packing. The invention has the beneficial effects that: 1. the modularized microbial filter bed and the manufacturing method solve the problem that the microbial filter bed loses permeability and filterability due to the fact that fillers are sunk and compacted in the biological deodorization microbial filter; 2. the modularized microbial filter bed and the manufacturing method solve the problems of difficult maintenance and difficult replacement of the conventional microbial filter bed of the biological filter, and solve the problem that the conventional stuffing box has a fault and needs to replace the whole stuffing; 3. according to the modularized microbial filter bed disclosed by the invention, each stuffing box is a framework of the biological filter, so that the problem of air inlet uniformity of the microbial filter bed is solved.
Description
Technical Field
The invention relates to the technical field of waste gas treatment, in particular to a modular microbial filter bed and a manufacturing method thereof.
Background
Along with the improvement of the environmental protection standard of China, the emission standard of waste gas treatment is greatly improved in the field of waste gas treatment, the odor concentration must be treated to 1000 (dimensionless) no matter the emission height in the odor concentration index of GB14554-93 Dempster for odor pollutant emission Standard, the odor concentration must be treated to 500 (dimensionless) in DB33-2015/2016 emission Standard for atmospheric pollutant emission Standard of chemical Synthesis pharmaceutical industry, because of the high standard discharge requirement, the waste gas treatment biofilter technology becomes the most powerful solution, particularly for malodorous waste gas with various pollution components and low concentration, the biological filter chamber deodorization technology becomes the current preferred technology, however, the biological filter technology also has short plates, and the long-term durability, the stability and the permeability and the filterability of the biological filter bed form a technical bottleneck.
Disclosure of Invention
The invention provides a modularized microbial filter bed which comprises a plurality of microbial unit filter beds and a bearing platform, wherein the plurality of microbial unit filter beds are arranged on the bearing platform in parallel, each microbial unit filter bed comprises a packing box, combined packing and a microbial film, the combined packing and the microbial film are positioned in the packing box, and the microbial film is attached to the surface of the combined packing.
As a further improvement of the invention, the combined filler comprises bamboo chip carbon filler, porous ceramsite filler and PE multi-surface ball filler, the PE multi-surface ball filler is paved at the bottom of the filler box, the ceramsite filler is paved on the PE multi-surface ball filler, and the bamboo chip carbon filler is paved at the upper part of the ceramsite filler.
As a further improvement of the invention, the modular microbial filter bed also comprises a filter screen plate, and the filter screen plate is paved at the bottom of the combined filler.
As a further improvement of the invention, the filter screen plate is a plastic filter screen plate, a layer of the plastic filter screen plate is laid at the bottom of the combined filler, and the square holes of the filter screen plate are 12 multiplied by 12.
As a further improvement of the present invention, the stuffing box 4 is square, and the stuffing box has the following dimensions: the length x width x of the stuffing box are respectively as follows: 122 cm x 122 cm, the stuffing boxes being separated by glass fibre reinforced plastic grid plates.
As a further improvement of the present invention, the stuffing box is square, and the length × width × of the stuffing box is: the stuffing box is characterized in that the stuffing box is 50 cm multiplied by 150 cm, the bottom plate of the stuffing box is provided with reticular holes, the hole grid of the reticular holes is 20 multiplied by 20, and the hole diameter of the reticular holes is 12 mm.
As a further improvement of the invention, the stuffing box is formed by welding PP polypropylene plates, and the thickness of the PP polypropylene plates is 8-10 mm; the stuffing box is designed into an upper layer and a lower layer, and a supporting rib plate and a gas passing net plate are arranged in the middle of the stuffing box.
The invention also discloses a manufacturing method of the modular microbial filter bed, which comprises the following steps:
step 1: the retention time of the malodors passing through the modular microbial filter bed is 20 seconds to 25 seconds;
step 2: the microorganism combined filler is formed by combining PE multi-surface balls, porous ceramsite and bamboo chip carbon in a ratio of 2: 15-18: 1, the particle size of the porous ceramsite is 15-30 mm;
and step 3: the microbial filler stacking method is that PE multi-surface ball filler with the thickness of 10 cm is paved at the bottom of a stuffing box, porous ceramsite filler with the thickness of 75-90 cm is paved, and massive bamboo chip carbon filler with the thickness of 4-15 cm is paved at the upper part of the stuffing box.
As a further improvement of the invention, in the step 2, the microorganism combined filler is a combination of PE multi-surface balls, porous ceramsite and bamboo chip charcoal, and the proportion is 2: 16: 1, the particle size of the porous ceramsite is 15-30 mm; in the step 3, the microbial filler stacking method is to spread PE multi-surface ball filler with the thickness of 10 cm at the bottom of the stuffing box, then spread porous ceramsite filler with the thickness of 80 cm, and spread large bamboo chip carbon filler with the thickness of 10 cm at the upper part.
As a further improvement of the invention, in the step 2, the microorganism combined filler is a combination of PE multi-surface balls, porous ceramsite and bamboo chip charcoal, and the proportion is 2: 17: 1, the particle size of the porous ceramsite is 15-30 mm; in the step 3, the microbial filler stacking method is to spread PE multi-surface ball filler with the thickness of 10 cm at the bottom of the stuffing box, then spread porous ceramsite filler with the thickness of 85 cm, and spread large bamboo chip carbon filler with the thickness of 5 cm at the upper part.
The invention has the beneficial effects that: 1. the modularized microbial filter bed and the manufacturing method solve the problem that the microbial filter bed loses permeability and filterability due to the fact that fillers are sunk and compacted in the biological deodorization microbial filter; 2. the modularized microbial filter bed and the manufacturing method solve the problems of difficult maintenance and difficult replacement of the conventional microbial filter bed of the biological filter, and solve the problem that the conventional stuffing box has a fault and needs to replace the whole stuffing; 3. according to the modularized microbial filter bed, each stuffing box is a framework of the biological filter, so that the uneven stuffing and the compaction of the stuffing caused by large-area random pile of the stuffing are avoided, and the problem of air inlet uniformity of the microbial filter bed is solved; 4. the filler combination and the pile filling method can keep the long-term permeability and filterability of the microbial filter bed, keep the removal rate of the odor in the biological filter, ensure the normal treatment effect of the deodorization system of the biological filter and ensure the odor to be discharged after reaching the standard; 5. according to the modularized microbial filter bed and the manufacturing method thereof, the odor treatment effect of the biological filter is good, the treatment is thorough, and the concentration of the treated odor is far lower than the national regulation and cannot be achieved by other deodorization technologies.
Drawings
FIG. 1 is a structural view of a microbial filter according to example 2 of the present invention;
FIG. 2 is a view showing a structure of a filter bed of a microorganism unit in example 2 of the present invention;
FIG. 3 is a structural view of a microbial filter according to example 3 of the present invention;
FIG. 4 is a schematic view of a filter bed of a microorganism unit according to example 3 of the present invention;
FIG. 5 is a top view of a microbial filter according to example 3 of the present invention.
Detailed Description
Example 1 as the present invention:
the invention discloses a modularized microbial filter bed which comprises a plurality of microbial unit filter beds 2 and a bearing platform 3, wherein the plurality of microbial unit filter beds 2 are arranged on the bearing platform 3 in parallel, each microbial unit filter bed 2 comprises a packing box 4, a combined packing 5 and a microbial film 6, the combined packing 5 and the microbial film 6 are positioned in the packing box 4, and the microbial film 6 is attached to the surface of the combined packing 5.
The microbial film 6 is attached to the surface of the combined filler 5 by microbes, and evolves into microbial flora after training and reproduction growth to form a biological filtering film.
The combined filler 5 comprises a bamboo chip carbon filler 7, a porous ceramsite filler 8 and a PE polyhedral ball filler 9, the PE polyhedral ball filler 9 is thick laid at the bottom of the filler box 4, the ceramsite filler 8 is thick laid on the PE polyhedral ball filler 9, and the bamboo chip carbon filler 7 is thick laid on the upper part of the ceramsite filler 8.
The bulk bamboo chip carbon filler 7 in the combined filler 5 may be replaced by pine bark.
The microbial filter 1 of the invention is formed by paralleling microbial unit filter beds 2 to form an integral biological filter bed.
The modular microbial filter bed of the invention can be applied to malodour treatment and VOCS treatment.
As an embodiment 2 of the present invention, an embodiment 2 is a further improvement on the embodiment 1, and the embodiment 2 is different from the embodiment 1 in that:
the combined filler 5 comprises a bamboo chip carbon filler 7, a porous ceramsite filler 8 and a PE multi-face sphere filler 9, the PE multi-face sphere filler 9 with the thickness of 10 cm is paved at the bottom of the stuffing box 4, the ceramsite filler 8 with the thickness of 85 cm is paved on the PE multi-face sphere filler 9, and the bamboo chip carbon filler 7 with the thickness of 5 cm is paved on the upper part of the ceramsite filler 8.
The stuffing box 4 is square, and the length x the width x of the stuffing box 4 are respectively as follows: the stuffing box 4 is provided with reticular holes of which the hole diameter is 12 mm, wherein the reticular holes are 50 cm multiplied by 150 cm, the bottom plate of the reticular hole is provided with reticular holes which are used as air inlets, and the hole grid of the reticular holes is 20 multiplied by 20.
The stuffing box 4 is formed by welding PP polypropylene plates, the thickness of the PP polypropylene plates is 8-10 mm, and the PP polypropylene plates are made of materials which are resistant to acid, alkali and alkali corrosion; the stuffing box 4 is designed into an upper layer and a lower layer, and a support rib plate and a gas passing net plate are arranged in the middle of the stuffing box 4.
The purification of the malodorous gas is that the malodorous gas enters the microbial unit filter bed 2 from the small holes of the bottom plate of the filler 4, and the malodorous substance is absorbed by the microbial membrane 6 and is decomposed into CO2, H2O, sulfate and nitrate as nutrient;
the packing height of the combined packing 5 of the microbiological unit filter bed 2 may be increased up to 200 cm depending on the residence time.
As an embodiment 3 of the present invention, an embodiment 3 is a further improvement on the embodiment 1, and the embodiment 3 is different from the embodiment 1 in that:
the modularized microorganism filter bed comprises a plurality of well-shaped microorganism unit filter beds 2 which are arranged on a bearing platform 3 in parallel.
The stuffing box 4 is a well-shaped stuffing box.
The modularized microbial filter bed further comprises a filter screen plate 10, and the filter screen plate 10 is laid at the bottom of the combined filler 5.
The filter screen plate 10 is a plastic filter screen plate, a layer of the plastic filter screen plate is laid at the bottom of the combined filler 5, and the square holes of the filter screen plate 10 are 12 multiplied by 12.
The combined filler 5 comprises a bamboo chip carbon filler 7, a porous ceramsite filler 8 and a PE multi-face sphere filler 9, the PE multi-face sphere filler 9 with the thickness of 10 cm is paved at the bottom of the filler box 4, the ceramsite filler 8 with the thickness of 80 cm is paved on the PE multi-face sphere filler 9, and the bamboo chip carbon filler 7 with the thickness of 10 cm is paved at the upper part of the ceramsite filler 8.
The stuffing box 4 is square in structure, and the size of the stuffing box 4 comprises: the length x width x of the stuffing box 4 is respectively: 122 cm x 122 cm, said stuffing boxes 4 being separated by glass fibre reinforced plastic grid plates.
The porous ceramsite filler 8 can be replaced by volcanic rock.
As method embodiment 1 of the present invention, the present invention also discloses a method for manufacturing a modular microbial filter bed, comprising performing the steps of:
step 1: the retention time of the malodors passing through the modular microbial filter bed is 20 seconds to 25 seconds;
step 2: the microbial combined filler 5 is prepared by combining PE multi-surface balls, porous ceramsite and bamboo chip carbon in a ratio of 2: 15-18: 1 (volume ratio), wherein the particle size of the porous ceramsite is 15-30 mm;
and step 3: the microbial filler stacking method is that PE multi-surface ball filler 9 with the thickness of 10 cm is paved at the bottom of a filler box 4, ceramsite filler 8 with the thickness of 75-90 cm is paved, and massive bamboo chip carbon filler 7 with the thickness of 4-15 cm is paved at the upper part of the filler box.
As method embodiment 2 of the present invention, which is an improvement on method embodiment 1 of the present invention, there is also disclosed a method for manufacturing a modular microbial filter bed, comprising performing the steps of:
in the step 2, the microorganism combined filler is a combination of PE multi-surface balls, porous ceramsite and bamboo chip carbon, and the proportion is 2: 16: 1 (volume ratio), and the grain diameter of the porous ceramsite is 15-30 mm.
In the step 3, the microbial filler stacking method is that PE multi-surface ball filler with the thickness of 10 cm is paved at the bottom of the stuffing box 4, porous ceramsite filler 8 with the thickness of 80 cm is paved, and massive bamboo chip carbon filler 7 with the thickness of 10 cm is paved at the upper part of the stuffing box.
Method of use example 2 the odor concentration removal rate was 85 to 95%.
The following are measured data:
1) the measured data is: the air inlet odor concentration of the biological filter 1 is 7330, and the air outlet odor concentration after purification is 309;
2) the measured data is: the air inlet odor concentration of the biological filter 1 is 5495, and the air outlet odor concentration after purification is 229.
As an embodiment 3 of the method, which is an improvement on the basis of the embodiment 1 of the method, the invention also discloses a manufacturing method of the modularized microorganism filter bed, in the step 2, the microorganism combined filler adopts PE polyhedral spheres, porous ceramsite and bamboo charcoal, and the proportion is 2: 17: 1 (volume ratio), and the grain diameter of the porous ceramsite is 15-30 mm.
In the step 3, the microbial filler stacking method is that PE multi-surface ball filler with the thickness of 10 cm is paved at the bottom of the stuffing box 4, porous ceramsite filler 8 with the thickness of 85 cm is paved, and massive bamboo chip carbon filler 7 with the thickness of 5 cm is paved at the upper part of the stuffing box.
Method of use example 2 the odor concentration removal rate was 85 to 95%.
The following are measured data:
1) the measured data is: the air inlet odor concentration of the biological filter 1 is 5495, and the purified air outlet odor concentration is 417.
2) The measured data is: the inlet air odor concentration of the biological filter 1 is 3090, and the outlet air odor concentration after purification is 229.
The invention has the beneficial effects that: 1. the modularized microbial filter bed and the manufacturing method solve the problem that the microbial filter bed loses permeability and filterability due to the fact that fillers are sunk and compacted in the biological deodorization microbial filter; 2. the modularized microbial filter bed and the manufacturing method solve the difficult problems of difficult maintenance and difficult replacement of the microbial filter bed of the traditional biological filter 1 and the difficult problem that the traditional stuffing box breaks down and needs to replace the whole stuffing; 3. according to the modularized microbial filter bed, each stuffing box is a framework of the biological filter, so that the uneven stuffing and the compaction of the stuffing caused by large-area random pile of the stuffing are avoided, and the problem of air inlet uniformity of the microbial filter bed is solved; 4. the filler combination and the pile filling method can keep the long-term permeability and filterability of the microbial filter bed, keep the removal rate of the odor in the microbial filter, ensure the normal treatment effect of a deodorization system of the biological filter and ensure that the odor is discharged after reaching the standard; 5. according to the modularized microbial filter bed and the manufacturing method thereof, the odor treatment effect of the biological filter is good, the treatment is thorough, and the concentration of the treated odor is far lower than the national regulation and cannot be achieved by other deodorization technologies.
The foregoing is a more detailed description of the invention in connection with specific preferred embodiments and it is not intended that the invention be limited to these specific details. For those skilled in the art to which the invention pertains, several simple deductions or substitutions can be made without departing from the spirit of the invention, and all shall be considered as belonging to the protection scope of the invention.
Claims (10)
1. A modular microbial filter bed, comprising: the filter bed comprises a plurality of microbial unit filter beds (2) and a bearing platform (3), wherein the microbial unit filter beds (2) are arranged on the bearing platform (3) in parallel, each microbial unit filter bed (2) comprises a packing box (4), a combined filler (5) and a microbial film (6), the combined filler (5) and the microbial film (6) are located in the packing box (4), and the microbial film (6) is attached to the surface of the combined filler (5).
2. The modular microbial filter bed of claim 1, wherein: the combined filler (5) comprises a bamboo sheet carbon filler (7), a porous ceramsite filler (8) and a PE multi-surface ball filler (9), the PE multi-surface ball filler (9) is laid at the bottom of the stuffing box (4), the ceramsite filler (8) is laid on the PE multi-surface ball filler (9), and the bamboo sheet carbon filler (7) is laid on the upper portion of the ceramsite filler (8).
3. The modular microbial filter bed of claim 2, wherein: the modularized microbial filter bed also comprises a filter screen plate (10), wherein the filter screen plate (10) is laid at the bottom of the combined filler (5).
4. The modular microbial filter bed of claim 3, wherein: the filter screen plate (10) is a plastic filter screen plate, a layer of plastic filter screen plate is laid at the bottom of the combined filler (5), and the square holes of the filter screen plate (10) are 12 multiplied by 12.
5. The modular microbial filter bed of claim 1, wherein: the structure of the stuffing box (4) is square, and the size of the stuffing box (4) comprises: the length x width x of the stuffing box (4) is respectively as follows: 122 cm x 122 cm, the stuffing boxes (4) being separated by glass fibre reinforced plastic grid plates.
6. The modular microbial filter bed of claim 1, wherein: the stuffing box (4) is square, and the length multiplied by the width multiplied by the stuffing box (4) is respectively as follows: the stuffing box is characterized in that the stuffing box is 50 cm multiplied by 150 cm, a bottom plate of the stuffing box (4) is provided with a reticular hole array, the hole array grid of the reticular hole array is 20 multiplied by 20, and the hole array aperture of the reticular hole array is 12 mm.
7. The modular microbial filter bed of claim 6, wherein: the stuffing box (4) is formed by welding a PP polypropylene plate, and the thickness of the PP polypropylene plate is 8-10 mm; the stuffing box (4) is designed into an upper layer and a lower layer, and a supporting rib plate and a gas passing net plate are arranged in the middle of the stuffing box (4).
8. A method of manufacturing a modular microbial filter bed, comprising performing the steps of:
step 1: the retention time of the malodors passing through the modular microbial filter bed is 20 seconds to 25 seconds;
step 2: the microbial combined filler (5) is prepared by combining PE multi-surface balls, porous ceramsite and bamboo chip carbon in a ratio of 2: 15-18: 1 (volume ratio), wherein the particle size of the porous ceramsite is 15-30 mm;
and step 3: the microbial filler stacking method comprises the steps of paving a PE polyhedral filler (9) with the thickness of 10 cm at the bottom of a filler box (4), paving a porous ceramsite filler (8) with the thickness of 75-90 cm, and paving a large bamboo chip carbon filler (7) with the thickness of 4-15 cm at the upper part of the filler box.
9. The manufacturing method according to claim 8, characterized in that: in the step 2, the microorganism combined filler (5) is a mixture of PE multi-surface balls, porous ceramsite and bamboo chip carbon in a ratio of 2: 16: 1 (volume ratio), wherein the particle size of the porous ceramsite is 15-30 mm; in the step 3, the microbial filler stacking method comprises the steps of paving PE multi-surface ball filler with the thickness of 10 cm at the bottom of a filler box (4), paving porous ceramsite filler (8) with the thickness of 80 cm, and paving a large bamboo chip carbon filler (7) with the thickness of 10 cm at the upper part.
10. The manufacturing method according to claim 8, characterized in that: in the step 2, the microorganism combined filler (5) is a mixture of PE multi-surface balls, porous ceramsite and bamboo chip carbon in a ratio of 2: 17: 1 (volume ratio), wherein the particle size of the porous ceramsite is 15-30 mm; in the step 3, the microbial filler stacking method is that PE multi-surface ball filler with the thickness of 10 centimeters is paved at the bottom of a filler box (4), porous ceramsite filler (8) with the thickness of 85 centimeters is paved, and massive bamboo chip carbon filler (7) with the thickness of 5 centimeters is paved at the upper part of the filler box.
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| CN201911018746.4A CN110772971A (en) | 2019-10-24 | 2019-10-24 | Modular microbial filter bed and manufacturing method thereof |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20020073971A (en) * | 2001-03-19 | 2002-09-28 | 차진명 | Stench and VOCs remove system using Biofilter and AC/ACF |
| CN101850213A (en) * | 2009-12-31 | 2010-10-06 | 南京大学 | Biotrickling filter for treating waste gas and treating method thereof |
| CN108355482A (en) * | 2018-04-13 | 2018-08-03 | 深圳市兴能保环境科技有限公司 | The biologic deodorization method and device of modularized processing Wind Volume foul smell |
-
2019
- 2019-10-24 CN CN201911018746.4A patent/CN110772971A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20020073971A (en) * | 2001-03-19 | 2002-09-28 | 차진명 | Stench and VOCs remove system using Biofilter and AC/ACF |
| CN101850213A (en) * | 2009-12-31 | 2010-10-06 | 南京大学 | Biotrickling filter for treating waste gas and treating method thereof |
| CN108355482A (en) * | 2018-04-13 | 2018-08-03 | 深圳市兴能保环境科技有限公司 | The biologic deodorization method and device of modularized processing Wind Volume foul smell |
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