CN102389708A - Deodorization composite biological stuffing as well as preparation method and application of the same - Google Patents
Deodorization composite biological stuffing as well as preparation method and application of the same Download PDFInfo
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- CN102389708A CN102389708A CN2011103538690A CN201110353869A CN102389708A CN 102389708 A CN102389708 A CN 102389708A CN 2011103538690 A CN2011103538690 A CN 2011103538690A CN 201110353869 A CN201110353869 A CN 201110353869A CN 102389708 A CN102389708 A CN 102389708A
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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
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Abstract
The invention discloses a deodorization composite biological stuffing as well as a preparation method and application of the same. The deodorization composite biological stuffing comprises a stuffing main body and an adhesion agent, wherein the adhesion agent takes account for 10-40% of the stuffing main body in usage amount by weight percentage; in percent by weight, the stuffing main body comprises 70-80% of calcium carbonate, 5-10% of diammonium phosphate, 10-20% of bark powder, 0-5% of urea and 0-5% of the soybean meal; and in percent by weight, the adhesion agent comprises one or more of 30-100% of ethylene/ vinyl acetate, and 20-70% of Na2O nSiO2/K2O nSiO. By the steps of mixing, extrusion forming, drying and the like, the stuffing main body and the adhesion agent are prepared to the deodorization composite biological stuffing. The stuffing is matched with deodorization microorganism for use, second fermentation liquor obtained from the deodorization microorganism which is subject to seed cultivation and fermenter cultivation is uniformly scattered on the stuffing, and after growing, the microorganism can be used for deodorization work. The deodorization composite biological stuffing has the advantages of being excellent in deodorization effect and long in using time which is improved by 30% compared with that of the way using bark as stuffing.
Description
Technical field
The present invention relates to a kind of deodorizing filler, particularly, relate to a kind of deodorizing compound bio filler.
Background technology
All have stimulates materials of olfactory organ smell to be called as odorant pollutant, wherein to mankind's harm bigger have hydrogen sulfide, ammonia, methane, thio-alcohol and phenols etc. multiple.Odorant pollutant also can cause nausea, has a headache, symptom such as poor appetite except causing offending sensation such as psychology detest etc.Biofiltration process is a kind of newer air pollution control processes, and it utilizes microorganism to degrade or transforms volatile organic matter, hydrogen sulfide, ammonia, have treatment effeciency height, capital construction and operating cost low, need not to add advantages such as chemical reagent, non-secondary pollution.
Foul smell at first passes through preliminary treatment (humidifier) in biofiltration process, gets into the biofiltration bed through gas distributor then, has filled bioactive medium (filler) in the biofiltration bed, the filler inner surface various microorganisms that growing.When foul smell gets into filter bed; Odorant pollutant is outer field moisture film and being absorbed by medium from the gas phase main diffusion to medium; Simultaneously oxygen also gets into moisture film by gas phase, and the appended microorganism of final dielectric surface is decomposed pollutant or is converted into carbon dioxide, water and inorganic salts etc.
Filler is one of core component of biofiltration device, is the carrier of attached growth of microorganisms, material Transfer, and its performance directly affects the clean-up effect of waste gas, and that generally uses at present has bark, compost, a polypropylene pellets etc.Wherein itself just have multiple microorganism in bark, the soil, wherein be no lack of the bacterial classification that possesses degraded and transform odorant pollutant, under some occasions, need not extra processing can directly use.But because the influence in weather and source, can there be certain difference in kind of the microorganism in the different batches natural stuffing and quantity, directly use to be difficult in order to be effective and the time.And traditional shale class filler (soil, compost, peat etc.) was prone to be compacted after use a period of time and cause resistance big, and the fine particle that the shale mineral are decomposed to form through microorganism is prone to run off with liquid phase; The string of wooden type of filler (wood chip, bark etc.) is perishable, is prone to after operation a period of time subside; Sintering such as haydite, perlite class inert filler then lacks nutrient, voidage is low, cost is higher.Therefore materials such as natural stuffing, mineral salt, nitrogenous source are combined through adhesive; Prepare that a kind of specific area is big, voidage is high, mechanical strength is high, be rich in nutritional labeling, the compound bio filler of anti-biological corrosion; And supporting on this basis use deodorizing microorganism will become and improve deodorizing effect and a kind of effective means of service time, help the extensive use of industrialization deodorizing operation.
Summary of the invention
The purpose of this invention is to provide the preparation method and the application of a kind of intensity height, nutritional sufficiency, deodorizing compound bio filler that tolerance is strong; The deodorizing composite bacteria agent capable of cultivating is applied on this filler, to reach the purpose that strengthens deodorizing effect, extends working time.
In order to achieve the above object, the invention provides a kind of deodorizing compound bio filler.
This deodorizing compound bio filler comprises filler body and binding agent, and the consumption of binding agent is the 10-40% of described filler body by weight percentage.Described filler body comprises calcium carbonate 70-80%, diammonium hydrogen phosphate 5-10%, bark fines 10-20%, urea 0-5%, bean cake powder 0-5% by weight percentage; Described binding agent is ethylene/vinyl acetate 30-100%, Na by weight percentage
2OnSiO
2/ K
2OnSiO
2One or more compositions among the 0-70%.
The preparation method of this deodorizing compound bio filler does; Filler body mixed 10-20min in container after, add binding agent, adding is the water of filler body 50-100% by weight percentage again; The gained mixture is put into mould extruding granulating; Like cylindrical or particle shape, in 60-90 ℃ of dry 1-5 hour, can obtain deodorizing compound bio filler then.
This deodorizing compound bio filler application in the deodorizing operation.This filler cooperates the microorganism with deodorization functions to use, and described deodorizing microorganism can be selected bacillus subtilis, intermediate thiobacilli and bacillus licheniformis for use.Described deodorizing microorganism is carried out secondary fermentation to be cultivated; And then the gained zymotic fluid is dispersed on the aforesaid deodorizing compound bio filler; Regularly spray a certain amount of water, make microorganism can on filler, adhere to faster, grow, products therefrom promptly can be used for the deodorizing operation.
The above-mentioned application of deodorizing compound bio filler in the deodorizing operation; Wherein, Described secondary fermentation is cultivated and comprised following steps: step 1 is a seed culture; Will be through the good deodorizing microorganism of agar slant activation, like bacillus subtilis, intermediate thiobacilli and bacillus licheniformis, by weight percentage with the ratio of bacillus subtilis 20-40%, intermediate thiobacilli 20-40% and bacillus licheniformis 20-60%; Be inoculated into shaking table cultivation in the fluid nutrient medium behind high-temperature sterilization, be cultured to total clump count at 30-37 ℃ and reach 1 * 10
8Individual/ml (getting through the colony counting method meter) makes seed culture fluid.Step 2 is a fermentation tank culture; In fermentation tank; With the fluid nutrient medium behind high-temperature sterilization is fermentation mother liquor, adds the seed culture fluid that step 1 makes, and the amount of inoculation by volume; Be the 1-5% of fermentation mother liquor, be cultured to total clump count at 30-37 ℃, constant pressure and ventilation situation bottom fermentation and reach 1 * 10 at least
7Individual/ml (getting) through the colony counting method meter.Described fluid nutrient medium is the aqueous solution that contains glucose 0.5-2.0%, beef extract 0.5-2.0%, sodium thiosulfate 0.5-1.0%, potassium dihydrogen phosphate 0.2% by weight percentage, contains the magnesium chloride 0.02% of 6 parts of crystallizations water, need not regulate pH.Described bacillus subtilis, intermediate thiobacilli and bacillus licheniformis are all available from ATCC, and these 3 kinds of microorganisms all belong to existing kind, referring to " common bacteria system identification handbook " (Shanghai science tech publishing house, calendar year 2001).
The above-mentioned application of deodorizing compound bio filler in the deodorizing operation, wherein, described high-temperature sterilization, condition is 121 ℃ of high-temperature sterilization 20min.
The matching used deodorizing composite bacteria agent capable of deodorizing compound bio filler provided by the invention is not limited to described bacillus subtilis, intermediate thiobacilli and bacillus licheniformis, and other microbial bacterial agent that can be applicable to biological deodorizing also is suitable for.
Deodorizing compound bio filler provided by the invention and its production and application have the following advantages:
This deodorizing compound bio filler has advantages such as withstand load, good permeability, biological adhesiveness be good.Calcium carbonate in the filler can in the fungus grown process in the acidic materials that produce, have the pH buffer capacity, effectively avoid environment peracid after the long-time running to cause growth to bacterium to produce and suppress.This filler has higher intensity; Can in wet environment, keep good bond strength for a long time; Play fixing and the wherein effect of nutriment of slowly-releasing; Nutritional labeling is decomposed synergy through dissolving diffusion and microorganism and is slowly discharged, and difficult quilt is leached the state of water under having, and is superior to traditional organic filler.With this filler and the supporting use of deodorizing composite bacteria agent capable, compare and only adopt original microorganism in the bark to come the method for deodorizing, have better effects if, continue stable advantage service time, help the application of industrial biological filtering ponds deodorizing.More only adopt in the situation that satisfies national standard " GB 14554-1993 odorant pollutant discharge standard " one-level factory circle standard value that the mode of original microorganism improves more than 30% in the bark following service time, can effectively solve the handling problem of foul gas.
Description of drawings
Fig. 1 is deodorizing compound bio filler of the present invention and the common bark filler removing design sketch to hydrogen sulfide and ammonia.
Fig. 2 is deodorizing compound bio filler of the present invention and the pH variation diagram of common bark filler when the deodorizing operation.
The specific embodiment
Do explanation further below in conjunction with the accompanying drawing specific embodiments of the invention.
Embodiment 1:
1. the preparation of biological compounded mix.
Filler body is the mixture of calcium carbonate 75%, diammonium hydrogen phosphate 2.5%, bark fines 20%, urea 2.5% by weight percentage.
Binding agent is ethylene/vinyl acetate 30%, Na by weight percentage
2OnSiO
2/ K
2OnSiO
270% mixture, total consumption of binding agent are 30% of filler body by weight percentage.
Filler body is mixed 10min in container, add binding agent, adding then is the water of filler body 80% by weight percentage.After mixture put into mould and be squeezed into particle shape, 90 ℃ of dryings 1 hour were subsequent use.
2. the fermented and cultured of deodorizing composite bacteria agent capable.
(1) preparation fluid nutrient medium.This fluid nutrient medium contains the aqueous solution of glucose 0.5%, beef extract 0.5%, sodium thiosulfate 0.5%, potassium dihydrogen phosphate 0.2%, magnesium chloride (containing 6 parts of crystallizations water) 0.02% for by weight percentage, need not regulate pH.
(2) will be by weight percentage through the good three kinds of bacillus of agar slant activation; Ratio with bacillus subtilis 20%, intermediate thiobacilli 20% and bacillus licheniformis 60% is inoculated into shaking table cultivation in the fluid nutrient medium behind 121 ℃ of high-temperature sterilization 20min; Connect 4 bottles altogether, every bottle of 250mL.Be cultured to the bacterium number and reach 1 * 10 150r/min, 37 ℃
8Individual/ml (getting through the colony counting method meter) makes seed culture fluid.
(3) in fermentation tank; Liquid medium with (1) gained is a fermentation mother liquor, preparation 50L, 121 ℃ of high-temperature sterilization 20min in fermentation tank; When treating that culture-liquid temp is reduced to 37 ℃; 4 bottles of seed culture fluids all are seeded in the fermentation tank, at 37 ℃ of temperature, tank pressure 0.03MPa, the condition bottom fermentation of rotating speed 150r/min, throughput 0.5L/H.From the 12nd hour, the per 4 hours colony counting method countings of taking a sample once and adopt, fermented and cultured to bacterium number reaches 1 * 10
7Individual/as to stop fermentation during ml.
3. after fermented and cultured finishes, whole zymotic fluids are dispersed on the filler in the ratio that accounts for biological filter filler cumulative volume 0.1-0.4%, regularly spray a certain amount of water, microorganism can be grown on filler to be applied to the deodorizing operation better faster.
Embodiment 2:
1. the preparation of biological compounded mix.
Filler body is the mixture of calcium carbonate 80%, diammonium hydrogen phosphate 5%, bark fines 10%, bean cake powder 5% by weight percentage.
Binding agent is 100% ethylene/vinyl acetate by weight percentage, and total consumption of binding agent is 20% of filler body by weight percentage.
Filler body is mixed 15min in container, add binding agent, adding then is the water of filler body 70% by weight percentage.With mixture put into mould be squeezed into cylindrical after, 60 ℃ of dryings can be used in 5 hours.
2. the fermented and cultured of deodorizing composite bacteria agent capable.
(1) preparation fluid nutrient medium.This fluid nutrient medium contains the aqueous solution of glucose 1.0%, beef extract 1.0%, sodium thiosulfate 0.5%, potassium dihydrogen phosphate 0.2%, magnesium chloride (containing 6 parts of crystallizations water) 0.02% for by weight percentage, need not regulate pH.
(2) will be inoculated in the fluid nutrient medium behind 121 ℃ of high-temperature sterilization 20min shaking table with the ratio of bacillus subtilis 30% (all by weight), intermediate thiobacilli 30% and bacillus licheniformis 40% through the good three kinds of bacillus of agar slant activation cultivates; Connect 3 bottles altogether, every bottle of 250mL.Be cultured to the bacterium number and reach 1 * 10 150r/min, 36 ℃
8Individual/ml (getting through the colony counting method meter) makes seed culture fluid.
(3) in fermentation tank; Fluid nutrient medium with (1) gained is a fermentation mother liquor, preparation 50L, 121 ℃ of high-temperature sterilization 20min in fermentation tank; When treating that culture-liquid temp is reduced to 36 ℃; 3 bottles of seed culture fluids all are seeded in the fermentation tank, at 36 ℃ of temperature, tank pressure 0.03MPa, the condition bottom fermentation of rotating speed 150r/min, throughput 0.5L/H.From the 12nd hour, the per 4 hours colony counting method countings of taking a sample once and adopt, fermented and cultured to bacterium number reaches 1 * 10
7Individual/as to stop fermentation during ml.
3. after fermented and cultured finishes, whole zymotic fluids are dispersed on the filler in the ratio that accounts for biological filter filler cumulative volume 0.2%, regularly spray a certain amount of water, microorganism can be grown on filler to be applied to the deodorizing operation better faster.
Embodiment 3:
In 2 identical biofiltration bed experimental rigs, put into isopyknic biological compounded mix (biofiltration bed A) and bark (biofiltration bed B) respectively, adopt nature to stack mode, not compacting.The used filler of A makes according to embodiment 2 said methods, and adds the deodorizing composite bacteria agent capable (making according to embodiment 2 said methods) that accounts for biological filter filler cumulative volume 0.3%; The used bark of B does not add any processing.Charge flow rate is 1m during test
3/ h, wherein sulfide hydrogen 500mg/m
3, ammonia 500mg/m
3, feeding for 10 weeks continuously, two filter beds are seen Fig. 1 and Fig. 2 to the removing effect of hydrogen sulfide and ammonia and the pH value result of variations of system.
Compare the B group biofiltration bed that only uses bark, adopt the A group hydrogen sulfide removing effect of this biological compounded mix and deodorizing composite bacteria agent capable obviously better, the removing effect of ammonia is also omited.On the other hand, the pH value that A organizes whole system is comparatively stable in running, and the B group then has obvious decline, and low excessively pH is disadvantageous for the growth of deodorizing bacterium.In sum, the present invention more only use bark and himself come the mode of deodorizing that remarkable advantages is arranged with microorganism.
The matching used deodorizing composite bacteria agent capable of deodorizing compound bio filler provided by the invention is not limited to preferred bacillus subtilis, intermediate thiobacilli and bacillus licheniformis among the embodiment, and other microbial bacterial agent that can be applicable to biological deodorizing also is suitable for.
Although content of the present invention has been done detailed introduction through above-mentioned preferred embodiment, will be appreciated that above-mentioned description should not be considered to limitation of the present invention.After those skilled in the art have read foregoing, for multiple modification of the present invention with to substitute all will be conspicuous.Therefore, protection scope of the present invention should be limited appended claim.
Claims (6)
1. a deodorizing compound bio filler is characterized in that this filler comprises filler body and binding agent, and the consumption of binding agent is the 10-40% of described filler body by weight percentage;
Described filler body comprises calcium carbonate 70-80%, diammonium hydrogen phosphate 5-10%, bark fines 10-20%, urea 0-5%, bean cake powder 0-5% by weight percentage;
Described binding agent is ethylene/vinyl acetate 30-100%, Na by weight percentage
2OnSiO
2/ K
2OnSiO
2One or more compositions among the 0-70%.
2. the preparation method of a deodorizing compound bio filler according to claim 1; It is characterized in that this method comprises: filler body is mixed 10-20min in container after, add binding agent; Adding is the water of filler body 50-100% by weight percentage again; The gained mixture is put into mould extruding granulating, in 60-90 ℃ of dry 1-5 hour, can obtain deodorizing compound bio filler then.
3. the application of a deodorizing compound bio filler according to claim 1 in the deodorizing operation.
4. the application of deodorizing compound bio filler as claimed in claim 3 in the deodorizing operation; It is characterized in that; This deodorizing compound bio filler cooperates the microorganism with deodorization functions to use, and described deodorizing microorganism is carried out secondary fermentation cultivate, and then the gained zymotic fluid is dispersed on the described deodorizing compound bio filler; Make that contained microorganism grows on filler in the zymotic fluid, products therefrom promptly can be used for the deodorizing operation.
5. the application of deodorizing compound bio filler as claimed in claim 4 in the deodorizing operation is characterized in that, described secondary fermentation is cultivated and comprised following steps:
Step 1 will be cultivated through the good deodorizing microorganism bacterial classification inoculation of agar slant activation shaking table in the fluid nutrient medium behind high-temperature sterilization, be cultured to total clump count at 30-37 ℃ and reach 1 * 10
8Individual/ml, make seed culture fluid;
Step 2; In fermentation tank, be fermentation mother liquor with the fluid nutrient medium behind high-temperature sterilization, add the seed culture fluid that step 1 makes; Inoculum concentration is the 1-5% of fermentation mother liquor by volume, is cultured to total clump count at 30-37 ℃, constant pressure and ventilation situation bottom fermentation and reaches 1 * 10 at least
7Individual/ml;
Described fluid nutrient medium is the aqueous solution that contains glucose 0.5-2.0%, beef extract 0.5-2.0%, sodium thiosulfate 0.5-1.0%, potassium dihydrogen phosphate 0.2% by weight percentage, contains the magnesium chloride 0.02% of 6 parts of crystallizations water.
6. the application of deodorizing compound bio filler as claimed in claim 5 in the deodorizing operation is characterized in that, described high-temperature sterilization, and condition is 121 ℃ of high-temperature sterilization 20min.
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| CN2011103538690A CN102389708A (en) | 2011-11-10 | 2011-11-10 | Deodorization composite biological stuffing as well as preparation method and application of the same |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103071384A (en) * | 2013-01-23 | 2013-05-01 | 苏州苏净环保工程有限公司 | Method for rapidly starting hybrid biological reactor for waste gas treatment |
| CN103212287A (en) * | 2013-04-15 | 2013-07-24 | 北京城市排水集团有限责任公司 | Method for producing high-efficiency biological deodorizing mixed stuffing |
| US20150086519A1 (en) * | 2013-09-23 | 2015-03-26 | Life Science Tgo, S.R.L. | Impregnated odour control products and methods of making the same |
| CN108325378A (en) * | 2018-04-25 | 2018-07-27 | 河南正达环保科技有限公司 | A kind of deodorizing microorganism filler and preparation method thereof |
| CN109971666A (en) * | 2017-12-28 | 2019-07-05 | 许传高 | It is a kind of for handling the biological agent of amino acid fermentation foul smell |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103071384A (en) * | 2013-01-23 | 2013-05-01 | 苏州苏净环保工程有限公司 | Method for rapidly starting hybrid biological reactor for waste gas treatment |
| CN103212287A (en) * | 2013-04-15 | 2013-07-24 | 北京城市排水集团有限责任公司 | Method for producing high-efficiency biological deodorizing mixed stuffing |
| US20150086519A1 (en) * | 2013-09-23 | 2015-03-26 | Life Science Tgo, S.R.L. | Impregnated odour control products and methods of making the same |
| US9974311B2 (en) | 2013-09-23 | 2018-05-22 | Stewart Group Trading Inc. | Impregnated odour control products and methods of making the same |
| CN109971666A (en) * | 2017-12-28 | 2019-07-05 | 许传高 | It is a kind of for handling the biological agent of amino acid fermentation foul smell |
| CN108325378A (en) * | 2018-04-25 | 2018-07-27 | 河南正达环保科技有限公司 | A kind of deodorizing microorganism filler and preparation method thereof |
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Application publication date: 20120328 |