CN102019140A - Composite filler for biologically filtering industrial waste gas - Google Patents
Composite filler for biologically filtering industrial waste gas Download PDFInfo
- Publication number
- CN102019140A CN102019140A CN2009101924241A CN200910192424A CN102019140A CN 102019140 A CN102019140 A CN 102019140A CN 2009101924241 A CN2009101924241 A CN 2009101924241A CN 200910192424 A CN200910192424 A CN 200910192424A CN 102019140 A CN102019140 A CN 102019140A
- Authority
- CN
- China
- Prior art keywords
- filler
- waste gas
- industrial waste
- combined stuffing
- composite filler
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- 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
Landscapes
- Processing Of Solid Wastes (AREA)
Abstract
The invention provides composite filler for biologically filtering industrial waste gas, which has large porosity, low stacking density, high strength and strong acid-base buffer capability and is formed by combining inorganic media with organic media, wherein the organic media comprise bark and composting manure; the weight ratio of various media of the bark to composting manure to ceramic particles to plastic balls to shell is (98-104):(53-60):(84-90):(50-56):(100-105). The stacking density of the composite filler is 450kg/m<3>, the porosity is 55.5 percent and the ratio of carbon to nitrogen is 100:5. Compared with the current common biofiltration filler, the composite filler has the characteristics of large porosity, low stacking density, high strength and the like. Particularly, with strong acid-base buffer capability, the problem which cannot be solved by the prior art can be solved. The invention not only can provide reasonable environment conditions for degraded strains to stably grow for a long term and benefit the proliferation and biomembrane forming of the degraded strains on the surface of the filler, but also benefit the diffusion of gas on the biomembrane on the surface of the filler.
Description
Technical field
The present invention relates to chemical industry and environmental technology field, relate in particular to a kind of industrial waste gas biological filtration combined stuffing.
Technical background
China has implemented since new " urban wastewater treatment firm pollutant emission standard ", the various places Sewage Plant generally adopt bio-filter technology to handle to be produced with foul gas such as hydrogen sulfide, mercaptan, thioether and ammonias.The used filler of biofiltration device has nothing in common with each other, substantially based on organic substance, comprise bark, compost, cocoanut fiber, stalk etc., organic filler uses the back to issue the first portion degraded in action of microorganisms for a long time, thereby causes filler obstruction, packed bed gas to increase by resistance and the local anaerobic zone that produces.Owing to easily causing filler pH, the acidic materials that produce in the waste gas material biofiltration process descend in addition, thus the activity of inhibition microbial degradation bacterium.Inorganic filler have intensity greatly, not by characteristics such as biodegradations, suitably increase inorganic filler and can effectively improve above problem, improve the service life of biofiltration filler.
In addition, though Sewage Plant has begun to adopt the improvement of carrying out foul gas based on the technology of biofiltration at present, but for other as industrial enterprises such as plastic resin, paint, pharmacy, livestock and poultry cultivation and petrochemical industry, painting dressing automobiles, also do not set up emission-control equipment mostly, though much be positioned at city suburbs, but all types of industries waste gas of its generation diffuses to atmosphere, equally the urban environment air quality is caused potential harm.Bio-filter technology is a kind of generally acknowledged environmental friendliness technology abroad, because the microorganism abundant genetic diversity, various waste gas materials can be degraded under appropriate condition by corresponding bacterial classification and are purified processing.Filler is the core of biofiltration technology, be microbial adhesion and growth carrier, the efficient of pollutant mass transfer and degraded is had critical influence.Therefore, the suitable biofiltration filler of exploitation is the prerequisite that bio-filter technology will be applied in all types of industries exhaust-gas treatment field future.
Summary of the invention
The purpose of this invention is to provide the industrial waste gas biological filtration combined stuffing that a kind of porosity is big, bulk density is little, intensity is big, the soda acid buffer capacity is strong.
Combined stuffing of the present invention is combined by inorganic medium and organic media, and wherein organic media comprises bark and compost, and each medium-weight is than being bark: compost: haydite: baton round: shell=98～104: 53～60: 84～90: 50～56: 100～105.The combined stuffing bulk density is 450kg/m
3, porosity is 55.5%, carbon-nitrogen ratio is 100: 5.
Shell of the present invention is that basicity is the shell in 440g/kg～680g/kg (in calcium carbonate) scope.
The characteristics of combined stuffing of the present invention are: the acidic materials that produce with biodegradation process in the shell energy, and the soda acid buffer capacity is strong, and the needed neutral environment of energy stable maintenance degraded bacterial classification long term growth makes combined stuffing keep permanently effective.
Other characteristics of combined stuffing of the present invention also have:
This combined stuffing is drawn materials conveniently, and cost is low.
Organic media and inorganic medium reasonable mixture ratio, nutrients mass-energy are effectively kept the long-term stability growth of exhaust gas decomposition bacterial classification.
Porosity is big, and distribution of gas is even, can prevent shortcomings such as filler stops up, the short stream of gas.
Combined stuffing of the present invention combines the characteristics of different component and carries out Combinatorial Optimization.Compare with biofiltration filler commonly used at present, have characteristics such as porosity is big, bulk density is little, intensity is big, cost is low.Especially the soda acid buffer capacity is strong, has solved the insurmountable problem of prior art.This filler is combined by proper ratio by inorganic medium and organic media, can be the rational environmental condition of degraded bacterial classification growth steady in a long-term, help degrading bacterial classification in the propagation of filling surface with form biomembrane, also help gas in the biomembranous diffusion of filling surface.Easily degraded and stop up the local shortcoming such as anaerobic zone that easily produces of space, the short stream of gas and filler of the filler that has occurred when having overcome the natural organic filler of independent use, and the filler that occurs when using inert inorganic filler separately shortcomings such as easy to be filmed, maintenance management difficulty be not big.
The specific embodiment
Below in conjunction with embodiment content of the present invention is described further:
Embodiment 1: to paint industry production workshop treatment of waste gas
The present embodiment composition proportion is: bark is block, particle diameter is less than 50mm, compost is graininess, particle diameter is less than 5mm, inorganic medium comprises haydite, baton round and shell, and haydite and baton round are spherical in shape, and diameter is respectively less than 25mm and 500mm, it is irregular that shell is, and size range is between 10mm～20mm.Each components by weight is a bark: compost: haydite: baton round: shell=98: 53: 84: 50: 100.Described shell basicity is 440g/kg (in calcium carbonate).The combined stuffing bulk density is 450kg/m
3, porosity is 55.5%, carbon-nitrogen ratio is 100: 5.
Combined stuffing fills in the biofiltration reactor of prior art, the high 2000mm of reactor, and long 1500mm, wide 1500mm, filler loading height are 1200mm.Handling the industrial waste gas amount is 400m
3/ h, gas is 24 seconds in the time of staying of combined stuffing.Combined stuffing is used for coating material production workshop treatment of waste gas after the domestication of degraded bacterial classification biofilm, when the mean concentration of TVOCs in the waste gas (total volatile organism) about 58ppm, drop to 3.48ppm after treatment, average removal rate is 94%.
Embodiment 2: to common treatment of waste gas
The present embodiment composition proportion is: each component form requires with embodiment 1, and weight ratio is a bark: compost: haydite: baton round: shell=104: 60: 90: 56: 105.Described shell basicity is 680g/kg (in calcium carbonate).The combined stuffing bulk density is 450kg/m
3, porosity is 55.5%, carbon-nitrogen ratio is 100: 5.
Combined stuffing fills in and is respectively applied for common industrial waste gas components such as handling toluene, dimethylbenzene, styrene, acetone, butanone, chloroform in the biofiltration reaction, the high 800mm of reactor, internal diameter 190mm, filler loading height are 340mm, and gas is 30s in the empty bed time of staying of combined stuffing bed.Treatment effect is as shown in table 1:
Table 1 combined stuffing biofiltration reactor is to the clean-up effect (mg/m of different common industrial waste gas
3)
The result shows that combined stuffing has very strong removal effect to multiple volatile organic waste gas, and clearance is slightly different because of the different material characteristic.
Embodiment 3: to the processing of sewage plant bad smell
The two cover bio-trickling pool devices that run parallel, specification: height 2100mm, internal diameter 900mm.Bed stuffing height 1m, filler volume 0.65m3.(each medium-weight is than being bark: compost: haydite: baton round: shell=100: 56: 87: 54: 103 for equipment 1 filling combined stuffing of the present invention.Described shell basicity is counted 560g/kg with calcium carbonate.All the other require with embodiment 1).(weight ratio is a bark to equipment 2 filling prior art combined stuffings: compost: haydite=100: 48: 130).Two complete equipment service conditions are identical, and gas residence time is 20s.Treatment effect is as shown in table 2:
Table 2 combined stuffing is to the treatment effect of sewage plant bad smell
The result shows that combined stuffing of the present invention and existing commercially available filler all have good effect in bio-trickling filter, but commercially available filler pH decline obviously, finally cause clearance slightly to descend, and combined stuffing of the present invention can effectively keep stable p H.
Claims (3)
1. an industrial waste gas biological filters and uses combined stuffing, this combined stuffing is made up of organic media and inorganic medium, it is characterized in that: its prescription is as follows: by bark, compost, haydite, baton round and shell by weight 98～104: 53～60: 84～90: 50～56: 100～105 ratios are formed, and carbon-nitrogen ratio is 100: 5.
2. industrial waste gas biological as claimed in claim 1 filters and uses combined stuffing, and it is characterized in that: described combined stuffing bulk density is 450kg/m
3, porosity is 55.5%.
3. industrial waste gas biological as claimed in claim 1 filters and uses combined stuffing, and it is characterized in that: the basicity of described shell is counted with calcium carbonate: 440g/kg～680g/kg.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101924241A CN102019140B (en) | 2009-09-16 | 2009-09-16 | Composite filler for biologically filtering industrial waste gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101924241A CN102019140B (en) | 2009-09-16 | 2009-09-16 | Composite filler for biologically filtering industrial waste gas |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102019140A true CN102019140A (en) | 2011-04-20 |
| CN102019140B CN102019140B (en) | 2013-03-20 |
Family
ID=43861169
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009101924241A Active CN102019140B (en) | 2009-09-16 | 2009-09-16 | Composite filler for biologically filtering industrial waste gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102019140B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102701433A (en) * | 2012-05-31 | 2012-10-03 | 中国环境科学研究院 | Biological filter deodorization filler and preparation method |
| CN102941013A (en) * | 2012-12-04 | 2013-02-27 | 中冶赛迪工程技术股份有限公司 | Composite filler of biological filter, as well as biological deodorization method and device for with composite filler |
| CN103285730A (en) * | 2012-02-29 | 2013-09-11 | 杰智环境科技股份有限公司 | Filter material of biological filter bed, preparation method of filter material, and method for controlling growth of microorganism in filter material |
| CN106362581A (en) * | 2016-08-31 | 2017-02-01 | 北京北林绿源生态技术研究院有限责任公司 | Biofilter packing composition |
| CN113941250A (en) * | 2021-11-24 | 2022-01-18 | 广州市新之地环保产业股份有限公司 | Hydrophobic VOC adsorption degradation biological filler and preparation method and application thereof |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1242837C (en) * | 2001-07-02 | 2006-02-22 | 中国石油化工股份有限公司 | Process for cleaning waste gas containing complex components |
| CN100376312C (en) * | 2006-04-14 | 2008-03-26 | 浙江工业大学 | A plate type biofiltration tower and waste gas treatment process thereof |
| CN101138698B (en) * | 2006-09-05 | 2010-07-28 | 中国石油天然气股份有限公司 | Complex effluvium waste gas purifying method |
-
2009
- 2009-09-16 CN CN2009101924241A patent/CN102019140B/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103285730A (en) * | 2012-02-29 | 2013-09-11 | 杰智环境科技股份有限公司 | Filter material of biological filter bed, preparation method of filter material, and method for controlling growth of microorganism in filter material |
| CN103285730B (en) * | 2012-02-29 | 2016-05-04 | 杰智环境科技股份有限公司 | The filtrate of bacteria bed and preparation method and microorganism are in filtrate growth control method |
| CN102701433A (en) * | 2012-05-31 | 2012-10-03 | 中国环境科学研究院 | Biological filter deodorization filler and preparation method |
| CN102701433B (en) * | 2012-05-31 | 2014-02-12 | 中国环境科学研究院 | Biological filter deodorization filler and preparation method |
| CN102941013A (en) * | 2012-12-04 | 2013-02-27 | 中冶赛迪工程技术股份有限公司 | Composite filler of biological filter, as well as biological deodorization method and device for with composite filler |
| CN102941013B (en) * | 2012-12-04 | 2015-10-07 | 中冶赛迪工程技术股份有限公司 | The compounded mix of biofilter and the method and apparatus of biological deodorizing thereof |
| CN106362581A (en) * | 2016-08-31 | 2017-02-01 | 北京北林绿源生态技术研究院有限责任公司 | Biofilter packing composition |
| CN113941250A (en) * | 2021-11-24 | 2022-01-18 | 广州市新之地环保产业股份有限公司 | Hydrophobic VOC adsorption degradation biological filler and preparation method and application thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102019140B (en) | 2013-03-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Arif et al. | Applications of materials as additives in anaerobic digestion technology | |
| Wu et al. | Microorganisms-carbonaceous materials immobilized complexes: Synthesis, adaptability and environmental applications | |
| Fagbohungbe et al. | The challenges of anaerobic digestion and the role of biochar in optimizing anaerobic digestion | |
| Wu et al. | Immobilization of microbes on biochar for water and soil remediation: A review | |
| CN105776506B (en) | A kind of Fe/C compound porous structure material and its preparation method and application | |
| CN107540094B (en) | Constructed wetland sewage treatment system | |
| FI88174B (en) | IMMOBILIZATION OF A MICRO-ORGANISM, POROESA ORGANIC ORGANISM BUTTERFLOWER OF A MICRO-ORGANISM OCH HAERVID ANVAENDBARA BAERKROPPAR | |
| CN102019140B (en) | Composite filler for biologically filtering industrial waste gas | |
| Xue et al. | Enhanced removal of NH3 during composting by a biotrickling filter inoculated with nitrifying bacteria | |
| CN102452845A (en) | Active carbon ceramic with selectivity and preparation method thereof | |
| CN108033575A (en) | A kind of black and odorous water remedying sludge method | |
| CN1157344C (en) | Biochemical procss for treating waste water with nano material | |
| CN113149201A (en) | Efficient autotrophic-heterotrophic coupling denitrification deep bed filter and method thereof | |
| CN110627195B (en) | Method for manufacturing composite powder carrier for town sewage treatment | |
| CN111233133A (en) | Fluidized bed biological filler, preparation method thereof and flowing composite active biological bacteria biological bed | |
| CN105481103A (en) | Refuse recycled novel biological aggregate special for wet land and preparation method thereof | |
| CN203155087U (en) | Device for simultaneously removing NOX, SO2 and PM2.5 (Particulate Matters 2.5) | |
| CN102101722A (en) | Novel membrane bioreactor for treating pig farm wastewater | |
| CN201581027U (en) | Purifying device for river sewage treatment | |
| CN101475258B (en) | Bioactive coke method for processing coking wastewater | |
| CN114506919A (en) | Efficient purification composite biological filler and preparation method thereof | |
| CN210030315U (en) | Aquaculture sewage treatment equipment | |
| CN107998874B (en) | Constructed wetland VOCs waste gas purification method and system | |
| CN113101800A (en) | Volatile organic compound treatment reaction system and application thereof | |
| CN108773898B (en) | Fixed microorganism filter wall |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |