CN103266075A - Ochrobactrum anthropi SL1 and application thereof to removal of repugnant substances containing sulfur - Google Patents
Ochrobactrum anthropi SL1 and application thereof to removal of repugnant substances containing sulfur Download PDFInfo
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- CN103266075A CN103266075A CN201310206408XA CN201310206408A CN103266075A CN 103266075 A CN103266075 A CN 103266075A CN 201310206408X A CN201310206408X A CN 201310206408XA CN 201310206408 A CN201310206408 A CN 201310206408A CN 103266075 A CN103266075 A CN 103266075A
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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 ochrobactrum anthropi SL1 and application thereof to removal of repugnant substances containing sulfur. Ochrobactrum anthropi SL1 is an isolate obtained from a reactor for treating repugnant substances containing H2S and the like in a water pollution control laboratory in Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences. The strain is collected in China General Microbiological Culture Collection Center (CGMCC), with collection number of CGMCC No.7400. The strain can be used for preparing microbial active fillers, is used for purifying the repugnant substances containing sulfur and solving the problem of odor pollution produced in the processes of sewage, sludge and refuse treatment and composting, and has more than 90% of efficiency of degrading repugnant substances containing sulfur such as hydrogen sulfide, methanethiol, dimethyl sulfide and the like.
Description
Technical field:
The invention belongs to the environmental improvement field, be specifically related to a kind of microorganism and application thereof that removes the sulfur-containing foul material.
Background technology:
Can produce a large amount of odorous gas in processes such as sewage, sludge treatment, refuse treatment and compost, S-contained substances such as hydrogen sulfide, mercaptan, thioether, dithiocarbonic anhydride are smelly material common in the odorous gas.Repugnant substance spills in the atmosphere, along with the flow expansion of air to everywhere, surrounding environment is polluted, HUMAN HEALTH is produced harm.At present, the improvement of atmospheric pollution and foul smell causes that people more and more pay close attention to, and many countries have all formulated strict emission control standards.The discharging of pollutent in the strict control waste gas, and require enterprise before discharging pollutants, take corresponding control measures.China has made strict regulation to the discharging of volatile organic contaminant and repugnant substance in the country's " odorant pollutant emission standard " that came into effect in 1993 in (GB14554-93).
Compare with other physical chemistry waste gas processing method, bioremediation has advantages such as cost is low, easy and simple to handle, technology cleaning, non-secondary pollution because of it, and the nineties becomes the focus of research later on.Biological ratio juris is to utilize the biological oxidation of microorganism the repugnant substance of sulfur-bearing to be converted into the process of vitriol or sulphur simple substance.
But the common apposition growth of microorganism is at carrier surface, needs when the operation bio-reactor regularly to the carrier spraying nutrient solution to keep the required nutrient of microbial growth and moisture.In the process of spray, microorganism very easily comes off from carrier surface, flows out from the bio-reactor of purifying exhaust air with unnecessary nutritive medium, causes loss, causes the problem of the treatment effect reduction of sulfur-containing foul material.And carrier adopts composting material, wood chip, bark, Raschig ring, haydite etc. usually.The specific surface area of carriers such as composting material, wood chip, bark is little, and tamped density is big, and the pressure-losses is big, and is perishable, and work-ing life is short; Raschig ring, haydite smooth surface, microorganism is difficult for adhering to, easier loss.The inoculum of the bio-reactor of purifying sulfur-containing foul material mostly is the active sludge of sewage work, and the microorganism adaptive phase is long, and bio-reactor starts slow.
Summary of the invention:
The purpose of this invention is to provide a strain human pallid bacillus (Ochrobactrum anthropi) SL1 and the application in removing the sulfur-containing foul material thereof.
Human pallid bacillus involved in the present invention (Ochrobactrum anthropi) SL1 contains H for handling from Ecological Environment Research Center, Chinese Academy of Sciences water pollution control laboratory
2Obtain isolate in the reactor of repugnant substances such as S.This bacterial strain is preserved in China Committee for Culture Collection of Microorganisms common micro-organisms center, and deposit number is CGMCC No.7400, the preservation address: No. 3, Yard 1, BeiChen xi Road, Chaoyang District, Beijing City, Institute of Microorganism, Academia Sinica, postcode 100101.Preservation date on April 02nd, 2013.
These bacterial strain characteristics are as follows:
This bacterial strain colony colour on the LB solid plate is colourless, circle, and smooth surface, neat in edge, moistening.It is shaft-like that thalline is, and size is 0.5-0.8 * 3.0-3.5 μ m, peritrichous, Gram-negative, catalase and oxidase positive.The indoles feminine gender.Glucose fermentation produces acid, can utilize nitrate, not hydrolysis polychrom and gelatin.Can extensively utilize carbohydrate, amino acid, organic acid to be carbon source.Optimum growth temperature is 20-37 ℃.
Adopting full-automatic magnetic bead nucleic acid extraction instrument Smart LabAssist-16 and respective environment sample DNA to extract purification kit extracts and purifying purpose bacterial strain DNA respectively, select for use bacterium universal primer F16S-27 and R16S-1492 to carry out pcr amplification, primer sequence is respectively:
F16S-27(5`-AGAGTTTGATCCTGGCTCAG-3`)
R16S-1492(5`-CGGTTACCTTGTTACGACTTC-3`)
The PCR reaction conditions is set at: 94 ℃ of pre-sex change 5min; 94 ℃ of sex change 30s subsequently, 56 ℃ of annealing 30s, 72 ℃ are extended 90s, circulate 25 cycles; 72 ℃ are extended 10min then; Last 4 ℃ keep 10min.Then the PCR product is connected on the PMD-19T carrier, is transformed into subsequently in the bacillus coli DH 5 alpha competent cell.Competent cell 50 μ l after transforming are coated on the LB substratum that contains galactoside, sec.-propyl-β-d-thiogalactoside and penbritin.Cultivate after 12 hours, carry out liquid LB culture medium culturing from 25 single bacterial plaques of white of each dull and stereotyped picking.Cultivate after 2 hours, nutrient solution is carried out sequencing analysis.The sequence that records at first adopts DNAMAN software to carry out the similarity merger, be an operating unit with similarity greater than 97% sequence merger, the representative sequence of choosing in each operating unit utilizes the 16SrDNA gene order in BLAST and the GenBank database to carry out homology analysis, choose the above length of 1400bp and compare (Clustelx1.83), adopt the ortho position to connect (Neighbour Joining) method and carry out systematics analysis (MEGA3.1).Phylogenetic tree as shown in Figure 1.
This microbial inoculum can prepare by the production technique of test tube slant kind-shake bottle a kinds-seeding tank-production jar-product (packing formulation is liquid bacterial agent or solid absorption microbial inoculum).
The invention provides human pallid bacillus (Ochrobactrum anthropi) SL1 (CGMCC No.7400) of strain degraded sulfur-containing foul material, by the microbial inoculum of this bacterium preparation, is 1.0-90m at gas flow
3/ h, residence time 1-3min, temperature 20-37 ℃, concentration of hydrogen sulfide is 0.1-80mg/m
3, thiomethyl alcohol 0.1-10mg/m
3, dimethyl sulfide 0.1-10mg/m
3, can reach more than 90% sulfur-containing foul mass degradation efficient such as hydrogen sulfide, thiomethyl alcohol, dimethyl sulfides.The gas that can be used for the purifying sulfur-containing foul material solves the odor pollution problem that processes such as sewage, sludge treatment, refuse treatment and compost produce.
Described human pallid bacillus (Ochrobactrum anthropi) SL1 can prepare to be adsorbed in becomes the microorganism active filler on the filler, better handle the sulfur-containing foul material.
Described filler is one or more materials in light porous polyurethane foamed blocks, granulated active carbon, volcanics, the perlite;
Described packing density is 0.7-1.0kg/m
3, porosity is 50-96%, particle diameter is 5-50mm;
The mass ratio of described microbial bacteria suspension and light porous material is 50-300: 10;
Human pallid bacillus in the described microorganism active filler (Ochrobactrum anthropi) SL1 cell concentration is greater than 10
6CFU/g
(active filler)
Described microorganism active filler preparation process is as follows:
(1) slant culture: cultivate preparation human pallid bacillus (Ochrobactrum anthropi) SL1 slant strains;
Described human pallid bacillus (Ochrobactrum anthropi) SL1 slant medium consists of: glucose 0.5g, KH
2PO
42.0g, K
2HPO
42.0g, KNO
32.0g, NH
4Cl0.5g, MgCl
26H
2O0.2g, FeSO
47H
2O0.01g, Na
2S
2O
35H
2O5.0g, agar 20g, water 1000ml, pH value 6.8-7.2,121 ℃ of sterilization 20min;
(2) preparation of bacteria suspension: human pallid bacillus (Ochrobactrum anthropi) the SL1 inclined-plane thalline of step (1) preparation is pressed 5-20% inoculum size fermentation culture step by step, and separating the acquisition cell concentration is 0.4-0.8g/L human pallid bacillus (Ochrobactrum anthropi) SL1 bacteria suspension;
The preparation method is as follows for human pallid bacillus (Ochrobactrum anthropi) SL1 bacteria suspension;
Human pallid bacillus (Ochrobactrum anthropi) SL1 inclined-plane thalline is pressed 5-20% inoculum size fermentation culture step by step, 36 ℃ of culture temperature, incubation time 48h, ventilation 5-200L/min, dissolved oxygen＞2.0mg/L, tank pressure 0.03-0.10Mpa, fermented liquid places refrigerated centrifuge in 4 ℃, 2000-8000rpm, centrifugal concentrated 5-20min, abandoning supernatant, precipitation is diluted with no bacterial nutrient solution, and obtaining cell concentration is 0.4-0.8g/L human pallid bacillus (Ochrobactrum anthropi) SL1 bacteria suspension;
Consisting of of described human pallid bacillus (Ochrobactrum anthropi) SL1 liquid fermentation medium: glucose 0.5g, KH
2PO
42.0g, K
2HPO
42.0g, KNO
32.0g, NH
4Cl0.5g, MgCl
26H
2O0.2g, FeSO
47H
2O0.01g, Na
2S
2O
35H
2O5.0g, water 1000ml, pH value 6.8-7.2,121 ℃ of sterilization 20min;
Described human pallid bacillus (Ochrobactrum anthropi) SL1 does not have consisting of of bacterial nutrient solution: glucose 0.5g, KH
2PO
43.0g, K
2HPO
43.0g, NH
4H
2PO
40.5g, MgCl
26H
2O0.2g, FeCl
30.01g, water 1000ml, pH value 6.8-7.2; 121 ℃ of sterilization 20min;
(3) preparation of microorganism active filler:
(a) the microbial bacteria suspension that step (3) is prepared sprays the surface of the light porous material of packet or particle shape; (b) the porous material piece (or particle) that will have human pallid bacillus (Ochrobactrum anthropi) SL1 is put into impeller rotation mixing; (c) again to light porous material surface spraying microbial bacteria suspension, obtain the microorganism active filler, 4 ℃ of preservations are standby;
Preferred repeating step (a)-(c) 2-3 time, making in material surface and the micropore all, appendix has mycetocyte, acquisition microorganism active filler;
Another object of the present invention is to utilize the microorganism active filler to carry out odorous gas to handle, particularly at degraded H
2Application in the S gas, concrete steps are as follows:
(1) appendix there is the microorganism active filler of human pallid bacillus (Ochrobactrum anthropi) SL1 place a container, feeds H
2S gas is with H
2S gas is the sulphur source, activation microorganism active filler; Soak time is 1-14 days;
Described H
2The concentration of S is 50-200ppm;
(2) the microorganism active filler after will activating places bio-reactor, feed the gas of sulfur-containing foul material, with the sulfur-containing foul material in human pallid bacillus (Ochrobactrum anthropi) the SL1 purifying exhaust air, the microorganism active packing volume is 0.001-200m
3, the total concn of sulfide is 50-200ppm, gas flow rate is 0.05-10000m
3/ h, purification temperature are 10-35 ℃; Regularly keep the activity of microorganism active filler to microorganism active filling surface spraying nutrient solution, the spray frequency sprayed 1 time for 1-7 days, and each spray rate is 1.0-200L/min, and each spray time is 20-120min;
Consisting of of described nutritive medium: glucose 0.5g, KH
2PO
42.0g, K
2HPO
42.0g, KNO
32.0g, NH
4Cl0.5g, MgCl
26H
2O0.2g, FeCl
30.01g, water 1000ml, pH6.8-7.2; Follow the tracks of the degradation capability that detects the sulfur-containing foul material.
The present invention adopts vapor-phase chromatography to follow the tracks of and detects sulfocompound; Described vapor-phase chromatography is: adopt Agilent GC-6890N gas chromatograph assay determination sulfide concentration, chromatographic column is DB-1701 capillary column (30m * 0.32mm * 0.25 μ m), vaporizing chamber, FPD detector, column temperature are set to 100 ℃, 250 ℃, 220 ℃ respectively, sample size 50 μ L, N
2Flow velocity is 0.3mL/min, and total flux is 12mL/min.
Beneficial effect:
1. human pallid bacillus of the present invention (Ochrobactrum anthropi) SL1 has the efficient of higher degraded hydrogen sulfide; And the adaptive phase of dominant bacteria is short, can begin DeR fast, is applied in the waste gas bio-reactor of purifying sulfur-containing foul material, can shorten the starting period.
2. utilize sedimentation, adhere to the effect with multiple mechanics such as centrifugal, to degrade dominant bacteria human pallid bacillus (Ochrobactrum anthropi) SL1 appendix on light porous material, form the microorganism active filler, mycetocyte not only can be attached to filling surface equably, and can enter in the hole of filler inside, make the mycetocyte appendix amount height of microorganism active filler, be difficult for from bio-reactor, running off.
3. through overactivation, bio-reactor is started fast before the microorganism active filler uses.The mycetocyte enzyme of appendix is lived stable, can keep the decontamination effect improving of sulfur-containing foul material steady in a long-term.
4. be used for surface irregularity, the porous of the solid support material of microorganism active filler, be suitable for mycetocyte and adhere to; Specific surface area is big, good permeability, and resistance is little, is conducive to mycetocyte and contacts with sulfur-containing foul material in the waste gas, improves mass-transfer efficiency.
5. be used for the solid support material light weight of microorganism active filler, be applied in the waste gas bio-reactor of purifying sulfur-containing foul material, tamped density is low, and the pressure-losses is little.
6. the not perishable distortion of microorganism active filler can life-time service and the physical condition that adapts to multiple complexity.
Description of drawings:
Fig. 1 human pallid bacillus (Ochrobactrum anthropi) SL1 phylogenetic tree
Embodiment:
Example 1: a kind of microorganism active filler that removes the sulfur-containing foul material and preparation method thereof.
A kind of microorganism active filler that removes the sulfur-containing foul material, described filler appendix has human pallid bacillus (Ochrobactrum anthropi) SL1, described human pallid bacillus (Ochrobactrum anthropi) SL1 deposit number is CGMCC No.7400, and described filler is polyurethane foamed blocks;
Described packing density is 0.9kg/m
3, porosity is 86%, particle diameter is 30mm;
Described microorganism with the form appendix of bacteria suspension on filler;
The mass ratio of described microbial bacteria suspension and light porous material is 100: 10;
Human pallid bacillus in the described microorganism active filler (Ochrobactrum anthropi) SL1 cell concentration is greater than 10
6CFU/g
Described microorganism active filler preparation process is as follows:
(1) slant culture: preparation human pallid bacillus (Ochrobactrum anthropi) SL1 slant strains;
Described human pallid bacillus (Ochrobactrum anthropi) SL1 slant medium consists of: glucose 0.5g, KH
2PO
42.0g, K
2HPO
42.0g, KNO
32.0g, NH
4Cl0.5g, MgCl
26H
2O0.2g, FeSO
47H
2O0.01g, Na
2S
2O
35H
2O5.0g, agar 20g, water 1000ml, pH value 6.8-7.2,121 ℃ of sterilization 20min;
(2) preparation of bacteria suspension: human pallid bacillus (Ochrobactrum anthropi) SL1 inclined-plane thalline 10% inoculum size is fermentation culture step by step, and separating the acquisition cell concentration is 0.6g/L human pallid bacillus (Ochrobactrum anthropi) SL1 bacteria suspension;
The preparation method is as follows for human pallid bacillus (Ochrobactrum anthropi) SL1 bacteria suspension;
Human pallid bacillus (Ochrobactrum anthropi) SL1 inclined-plane thalline is pressed 10% inoculum size fermentation culture step by step, 36 ℃ of incubation time 48h of culture temperature, ventilation 100L/min, dissolved oxygen＞2.0mg/L, tank pressure 0.06Mpa, fermented liquid places refrigerated centrifuge in 4 ℃, 5000rpm, centrifugal concentrated 10min, abandoning supernatant, with no bacterial nutrient solution dilution, obtain cell concentration respectively is 0.5g/L human pallid bacillus (Ochrobactrum anthropi) SL1 bacteria suspension to precipitation respectively;
Consisting of of described human pallid bacillus (Ochrobactrum anthropi) SL1 liquid fermentation medium: glucose 0.5g, KH
2PO
42.0g, K
2HPO
42.0g, KNO
32.0g, NH
4Cl0.5g, MgCl
26H
2O0.2g, FeSO
47H
2O0.01g, Na
2S
2O
35H
2O5.0g, water 1000ml, pH value 6.8-7.2,121 ℃ of sterilization 20min;
Described human pallid bacillus (Ochrobactrum anthropi) .SL1 does not have consisting of of bacterial nutrient solution: glucose 0.5g, KH
2PO
43.0g, K
2HPO
43.0g, NH4 H
2PO
40.5g, MgCl26H
2O0.2g, FeCl
30.01g, water 1000ml, pH value 6.8-7.2; 121 ℃ of sterilization 20min;
(3) preparation of microbial bacteria suspension: the thalline total concn is 0.5g/L in human pallid bacillus (Ochrobactrum anthropi) the SL1 bacteria suspension;
(4) preparation of microorganism active filler: (a) the microbial bacteria suspension that step (3) is prepared sprays the surface of the light porous material of packet or particle shape by pump and spray header; Spray rate is 10L/min, and spray time is 60min; Stir simultaneously, stirring velocity is 100rpm, and churning time is 100min; Bacteria suspension is fully contacted with light porous material; (b) the porous material piece (or particle) that will have human pallid bacillus (Ochrobactrum anthropi) SL1 is put into impeller, and rotation mixes 50min under the 10rpm rotating speed; Along with the rotation of mixing tank, be attached to the mycetocyte on light porous material surface because action of centrifugal force enters into hole inside; (c) again to light porous material surface spraying microbial bacteria suspension, stir simultaneously; Obtain the microorganism active filler, 4 ℃ of preservations are standby;
Preferred repeating step (a)-(c) 3 times makes in material surface and the micropore all that appendix has mycetocyte, obtains the microorganism active filler;
Described rotary blender is efficient meticulous container revolution, stirring-type mixing equipment, is used for the dryness of different ratios or the even mixing of moist particulate matter, and does not produce fusion, the volatilization or rotten of material in mixing process.The rotary blender main body is that stainless material is made, and volume is 0.05-10m
3, inside and outside wall polishing, no dead angle, built-in agitating vane, external rotating adds that built-in blade stirs, light porous filler and bacteria suspension radially roll in impeller, simultaneously also can be laterally and convection current up and down, the mixing efficiency height.In the mixing machine rotary course, on the one hand each component substances is fully mixed, on the other hand, because action of centrifugal force, mycetocyte can enter in the hole of porous material inside, not only makes the mycetocyte appendix amount height of microorganism active filler, and mycetocyte is difficult for running off.
Example 2: a kind of microorganism active filler is at degraded H
2Application in the S gas.
Another object of the present invention is to utilize the microorganism active filler to carry out odorous gas to handle, particularly at degraded H
2Application in the S gas, concrete steps are as follows:
(1) appendix there is the microorganism active filler of human pallid bacillus (Ochrobactrum anthropi) SL1 place a container, feeds H
2S gas is with H
2S gas is the sulphur source, activation microorganism active filler; Soak time is 7 days;
Described H
2The concentration of S is 35ppm;
(2) the microorganism active filler after will activating places bio-reactor, feeds the gas of sulfur-containing foul material, and with the sulfur-containing foul material in human pallid bacillus (Ochrobactrum anthropi) the SL1 purifying exhaust air, the microorganism active packing volume is 100m
3, the total concn of sulfide is 100ppm, gas flow rate is 1000m
3/ h, purification temperature are 25 ℃; Regularly keep the activity of microorganism active filler to microorganism active filling surface spraying nutrient solution, the spray frequency is 3 days sprays 1 time, and each spray rate is 50L/min, and each spray time is 60min;
Consisting of of described nutritive medium: glucose 0.5g, KH
2PO
42.0g, K
2HPO
42.0g, KNO
32.0g, NH
4Cl0.5g, MgCl
26H
2O0.2g, FeCl
30.01g, water 1000ml, pH6.8-7.2; Follow the tracks of the degradation capability that detects the sulfur-containing foul material.
Example 3: result of use experiment (example 1 filler being used for the processing of following gas).
(1) the dispose of sewage gases containing stench sulphureous gases of factory's mudpan loss, gas flow is 35m
3/ h, the residence time is 1～3mins, operates under the room temperature condition.The inlet gas concentration of hydrogen sulfide is: 14.86mg/m
3, the concentration of giving vent to anger is lower than 0.03mg/m
3, being lower than the odorant pollutant emission standard that country formulates, clearance is higher than 99%.
(2) gases containing stench sulphureous gases that produces for the treatment of sludge composting, the concentration of hydrogen sulfide and sulfur alcohol is respectively 21.2mg/m
3And 3.21mg/m
3, gas flow is 70m
3/ h, the residence time is 1～3mins, operates under the room temperature condition, the clearance of hydrogen sulfide and sulfur alcohol is all greater than 90%.
(3) refuse landfill, processing contains 162.1mg/m3 hydrogen sulfide, 3.82mg/m3 thiomethyl alcohol, and the mix waste gas of 8.2mg/m3 dimethyl sulfide, gas flow is 60m3/h, and the residence time is 1～3mins, temperature 18-37 ℃, the clearance of hydrogen sulfide, thiomethyl alcohol, dimethyl sulfide reaches 90%, 86% and 88% respectively.
Claims (4)
1. human pallid bacillus (Ochrobactrum anthropi) SL1 who removes the sulfur-containing foul material is characterized in that, described human pallid bacillus (Ochrobactrum anthropi) SL1, and deposit number is CGMCC No.7400.
2. according to described human pallid bacillus (Ochrobactrum anthropi) SL1 that removes the sulfur-containing foul material of claim 1, it is characterized in that, consisting of of described human pallid bacillus (Ochrobactrum anthropi) SL1 liquid fermentation medium: glucose 0.5g, KH
2PO
42.0g, K
2HPO
42.0g, KNO
32.0g, NH
4Cl0.5g, MgCl
26H
2O0.2g, FeSO
47H
2O0.01g, Na
2S
2O
35H
2O5.0g, water 1000ml, pH value 6.8-7.2,121 ℃ of sterilization 20min.
3. the application of human pallid bacillus (Ochrobactrum anthropi) SL1 in handling the sulfur-containing foul material that removes the sulfur-containing foul material according to claim 1.
4. the method that odorous gas is handled is carried out in prepared active filler according to the described human pallid bacillus of claim 1, and step is as follows:
(1) appendix there is the human pallid bacillus active filler of human pallid bacillus (Ochrobactrum anthropi) SL1 place a container, feeds H
2S gas is with H
2S gas is the sulphur source, the active filler of activation human pallid bacillus; Soak time is 1-14 days;
Described H
2The concentration of S is 50-200ppm;
(2) the human pallid bacillus active filler after will activating places bio-reactor, feed the gas of sulfur-containing foul material, with the sulfur-containing foul material in human pallid bacillus (Ochrobactrum anthropi) the SL1 purifying exhaust air, human pallid bacillus active filler volume is 0.001-200m
3, the total concn of sulfide is 50-200ppm, gas flow rate is 0.05-10000m
3/ h, purification temperature are 10-35 ℃; Regularly keep the activity of active filler to human pallid bacillus active filler surface spraying nutritive medium, the spray frequency sprayed 1 time for 1-7 days, and each spray rate is 1.0-200L/min, and each spray time is 20-120min;
Consisting of of described nutritive medium: glucose 0.5g, KH
2PO
42.0g, K
2HPO
42.0g, KNO
32.0g, NH
4Cl0.5g, MgCl
26H
2O0.2g, FeCl
30.01g, water 1000ml, pH6.8-7.2.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104593287A (en) * | 2014-12-16 | 2015-05-06 | 华南农业大学 | Azoxystrobin degrading bacterium and microbial inoculum produced by using degrading bacterium and applications of degrading bacterium |
| CN104667475A (en) * | 2014-12-16 | 2015-06-03 | 华南农业大学 | Method for efficiently degrading azoxystrobin by utilizing ochrobactrum anthropi |
| CN104726363A (en) * | 2014-12-31 | 2015-06-24 | 浙江工业大学 | Alcaligenes strain and application thereof |
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| 孟建宇，张守城: "一株高效脱硫菌的筛选及脱硫性能的研究", 《内蒙古大学学报》 * |
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| CN104593287A (en) * | 2014-12-16 | 2015-05-06 | 华南农业大学 | Azoxystrobin degrading bacterium and microbial inoculum produced by using degrading bacterium and applications of degrading bacterium |
| CN104667475A (en) * | 2014-12-16 | 2015-06-03 | 华南农业大学 | Method for efficiently degrading azoxystrobin by utilizing ochrobactrum anthropi |
| CN104667475B (en) * | 2014-12-16 | 2017-09-26 | 华南农业大学 | A kind of method of utilization anthropi efficient degradation Fluoxastrobin |
| CN104593287B (en) * | 2014-12-16 | 2018-03-06 | 华南农业大学 | A kind of Fluoxastrobin degradation bacteria and its microbial inoculum and the application of production |
| CN104726363A (en) * | 2014-12-31 | 2015-06-24 | 浙江工业大学 | Alcaligenes strain and application thereof |
| CN104726363B (en) * | 2014-12-31 | 2017-09-19 | 浙江工业大学 | Bacillus alcaligenes strain and its application |
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| CN103266075B (en) | 2016-10-05 |
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