CN107254418A - A kind of bacterium and its application in absorption VOCs - Google Patents
A kind of bacterium and its application in absorption VOCs Download PDFInfo
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- CN107254418A CN107254418A CN201710375779.9A CN201710375779A CN107254418A CN 107254418 A CN107254418 A CN 107254418A CN 201710375779 A CN201710375779 A CN 201710375779A CN 107254418 A CN107254418 A CN 107254418A
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Abstract
The invention discloses a kind of bacterium, the bacterium is in units of parts by weight, including following components：32 56 parts of sarcine, 15 34 parts of spirillum, 20 35 parts of Brevibacillus laterosporus, 23 62 parts of Acinebobacter lwoffi, 36 68 parts of production indoles Chryseobacterium sp.Using preferable to VOCs treatment effect during bacterial treatment waste gas containing VOCs of the invention, degradation efficiency height.
Description
【Technical field】
The invention belongs to VOCs Treatment process field, more particularly to a kind of bacterium and its in absorption VOCs application.
【Background technology】
Volatile organic matter, English name is volatile organic compounds, is abbreviated as VOCs, is in China
Refer to saturated vapor pressure under normal temperature and be more than organic compound of the boiling point below 260 DEG C under 70Pa, normal pressure, or steamed under the conditions of 20 DEG C
Vapour pressure, which is more than or equal to 10Pa, has corresponding volatile whole organic compounds.Most common VOCs has benzene, toluene, diformazan
Benzene, styrene, trichloro ethylene, chloroform, trichloroethanes, diisocyanate etc..
VOCs belongs to atmosphere pollution, using air as propagation medium, and murder by poisoning is produced to human body by respiratory system and skin
Effect.Administering VOCs main method at present has Physical, chemical method and bioanalysis.Wherein, Physical is not change VOCs
Chemical property, its smell simply covered and diluted with a kind of material, or by it from gas phase is transferred to liquid phase or solid phase, is commonly used
Administering method have masking method, dilution method and absorption process；Chemical method is the chemical constitution for changing VOCs by chemically reacting, and makes it
It is changed into nonirritant or low irritant material, common method has combustion method, catalytic oxidation and acid ＆ alkali liquid washing method；Physical
It is with the shortcoming of chemical method more than device therefor and complex process, regenerate difficult after secondary pollution, subsequent processes are complicated, energy
The problems such as consuming high.Biological rule is the metabolism using microorganism, and VOCs is decomposed and is oxidized to CO2、H2The inorganic matters such as O
Reach purification purpose.Conventional biological treatment has biological filter and bio-trickling filter at present.
During Biochemical method VOCs, the microorganism fungus kind of selection is to influence one of key factor for the treatment of effect.
Prior art typically using the activated sludge of sewage treatment plant as strain, the strain to the treatment effeciency of the waste gas containing VOCs compared with
It is low, still need to further raising.
【The content of the invention】
The present invention provides a kind of bacterium and its is absorbing VOCs application, and sewage disposal is typically used to solve prior art
The activated sludge of factory is as strain, the problem of strain is relatively low to the treatment effeciency of the waste gas containing VOCs.
To solve above technical problem, the present invention provides following technical scheme：
A kind of bacterium, the bacterium is in units of parts by weight, including following components：32-56 parts of sarcine, spirillum
15-34 parts, 20-35 parts of Brevibacillus laterosporus, 23-62 parts of Acinebobacter lwoffi, production 36-68 parts of indoles Chryseobacterium sp.
Further, described bacterium is absorbing VOCs application, and the bacterial adhesion is in grid type biofilm packing table
Face.
Further, the grid type biofilm packing is in units of parts by weight, including following raw material：Ceramic 10-22 parts,
16-25 parts of diatomite, 8-13 parts of polyurethane, 18-35 parts of activated carbon, 3-5 parts of synthetic adsorbent, 1-2 parts of catalyst.
Further, the preparation method of the synthetic adsorbent, comprises the following steps：
(a) using the constituent content in X-ray fluorescence spectra analytic approach analysis blast furnace slag, and calculated by constituent content
Mg/ (Mn+Si) is than being 0.05-0.09, and Mn/ (Mn+Si) is than being 0.187-0.213；
(b) regulation blast furnace slag Mg/ (Mn+Si) adds MgO and SiO than comparing with Mn/ (Mn+Si) in 1g blast furnace slags2Regulation
Mg/ (Mn+Si) with Mn/ (Mn+Si) ratio than, respectively to 0.83-0.85 and 0.142-0.148, being made mixture A；
(c) into mixture A made from step b add 32-35mL deionized waters, in microwave power be 100-150W, temperature
Spend for 30-35 DEG C, mixture B is made to stir 12-15min under 200-300r/min in rotating speed；
(d) mixture B made from step c is placed in reactor, reaction production is obtained in reacting 4-6h at 400-500 DEG C
Thing, reaction product is washed with deionized water only, and in being dried at 75-82 DEG C to moisture content≤0.6%, synthetic adsorbent is made.
Further, the preparation method of the catalyst, comprises the following steps：
(1) particle size is put for 0.03-0.2cm zeolite and soaks 0.7-1h in deionized water, be put into after taking-up
0.4-0.8h is boiled in heating in 6%-10% sulfuric acid solution, then is washed with deionized, until pH is 6.8-7.2, is placed in baking
In drying 1.5-1.8h at 85-88 DEG C in case, cool down standby；
(2) 18-30mL tin tetrabromides solution is added drop-wise in 3-3.5 times of absolute ethyl alcohol with 1 drop/s speed, be added dropwise
Stirred in journey by 300-500r/min of rotating speed, be configured to A liquid；Take the palladium salt solution 2- that mass concentration is 0.2%-0.6%
4mL, is added drop-wise in 5-12mL absolute ethyl alcohols with 1-2 drops/s speed and is configured to B liquid, solution ph is adjusted to 1.2-2.4；Turning
Speed is 350-450r/min, and temperature is controlled under the conditions of 42-46 DEG C, B liquid is slowly dropped in A liquid with the speed of 1 drop/2-4 seconds
Temperature processed is 42-46 DEG C, continues stirring 6-8h with rotating speed 200-300r/min under lucifuge, is stood in air, until solution
Viscosity is 4.2-5.8mPas, and colloidal sol is made；
(3) obtained colloidal sol in step 2 is fitted into spray gun, in 4-10Kg/cm2Under the drive of compressed air, with 2-
4mm/s translational speed is equably injected in the surface of zeolite, and the distance between spray gun and zeolite are 18-22cm；Then put quiet
It is 3-5h at 38-42 DEG C to be placed in temperature, forms it into one layer of uniform gel film；Move into baking oven in 55-62 DEG C of drying
1.2-1.8h, is cooled to after room temperature, in muffle furnace, is 520-550 DEG C of roasting 2-2.5h in temperature, catalyst is made.
Further, the surface of the grid type biofilm packing, which is also sticked, fungi, and the fungi is using parts by weight to be single
Position, including following components：38-62 parts of Mucor indicus, 20-42 parts of skin Nocard's bacillus, 12-16 parts of cladosporium, paecilomycerol 8-
12 parts, 4-9 parts of gliocladium germ.
The present invention has following effects：
Using preferable to VOCs treatment effect during bacterial treatment waste gas containing VOCs of the invention, degradation efficiency height.
【Brief description of the drawings】
Fig. 1 is the system structure diagram for the VOCs that degrades,
In figure, 1 is ultraviolet light treatment chamber, and 11 be air inlet, and 2 be circulation liquid device, 21 is temperature sensor A, 22 is pH
Electrode, 3 be absorbing reaction tower, and 31 be grid type biofilm packing, and 32 be temperature sensor B, and 33 be spray head, and 34 be outlet
Mouthful.
【Embodiment】
For ease of more fully understanding the present invention, it is illustrated by following examples, these embodiments belong to the present invention's
Protection domain, but do not limit the scope of the invention.
As shown in figure 1, in embodiment, the reaction system for being used to absorb VOCS, including ultraviolet light treatment chamber 1, follow
Ring liquid device 2, absorbing reaction tower 3, the ultraviolet light treatment chamber 1 are connected with absorbing reaction tower 3 by pipeline A, the circulation fluid
Device 2 passes through pipeline C connection absorbing reactions tower 3 by the top of pipeline B connection absorbing reactions tower 3, the circulation liquid device 2
Bottom.
The ultraviolet light treatment chamber 1 includes air inlet 11.
The circulation liquid device 2 includes temperature sensor A 21, pH electrodes 22, and the temperature sensor A 21, which is arranged at, to follow
The top of ring liquid device 2, the pH electrodes 22 are arranged at the bottom of circulation liquid device 2.
The absorbing reaction tower 3 includes grid type biofilm packing 31, temperature sensor B 32, spray head 33, gas outlet
34, the grid type biofilm packing 31 is arranged at the middle part of the absorbing reaction tower 3, the temperature sensor B 32, spray
First 33, gas outlet 34 is arranged at the top of the absorbing reaction tower 3.
Grid type biofilm packing 31 is in units of parts by weight, including following raw material：Ceramic 10-22 parts, diatomite 16-25
Part, 8-13 parts of polyurethane, 18-35 parts of activated carbon, 3-5 parts of synthetic adsorbent, 1-2 parts of catalyst.
The preparation method of the synthetic adsorbent, comprises the following steps：
(a) using the constituent content in X-ray fluorescence spectra analytic approach analysis blast furnace slag, and calculated by constituent content
Mg/ (Mn+Si) is than being 0.05-0.09, and Mn/ (Mn+Si) is than being 0.187-0.213；
(b) regulation blast furnace slag Mg/ (Mn+Si) adds MgO and SiO than comparing with Mn/ (Mn+Si) in 1g blast furnace slags2Regulation
Mg/ (Mn+Si) with Mn/ (Mn+Si) ratio than, respectively to 0.83-0.85 and 0.142-0.148, being made mixture A；
(c) into mixture A made from step b add 32-35mL deionized waters, in microwave power be 100-150W, temperature
Spend for 30-35 DEG C, mixture B is made to stir 12-15min under 200-300r/min in rotating speed；
(d) mixture B made from step c is placed in reactor, reaction production is obtained in reacting 4-6h at 400-500 DEG C
Thing, reaction product is washed with deionized water only, and in being dried at 75-82 DEG C to moisture content≤0.6%, synthetic adsorbent is made.
The preparation method of the catalyst, comprises the following steps：
(1) particle size is put for 0.03-0.2cm zeolite and soaks 0.7-1h in deionized water, be put into after taking-up
0.4-0.8h is boiled in heating in 6%-10% sulfuric acid solution, then is washed with deionized, until pH is 6.8-7.2, is placed in baking
In drying 1.5-1.8h at 85-88 DEG C in case, cool down standby；
(2) 18-30mL tin tetrabromides solution is added drop-wise in 3-3.5 times of absolute ethyl alcohol with 1 drop/s speed, be added dropwise
Stirred in journey by 300-500r/min of rotating speed, be configured to A liquid；Take the palladium salt solution 2- that mass concentration is 0.2%-0.6%
4mL, is added drop-wise in 5-12mL absolute ethyl alcohols with 1-2 drops/s speed and is configured to B liquid, solution ph is adjusted to 1.2-2.4；Turning
Speed is 350-450r/min, and temperature is controlled under the conditions of 42-46 DEG C, B liquid is slowly dropped in A liquid with the speed of 1 drop/2-4 seconds
Temperature processed is 42-46 DEG C, continues stirring 6-8h with rotating speed 200-300r/min under lucifuge, is stood in air, until solution
Viscosity is 4.2-5.8mPas, and colloidal sol is made；
(3) obtained colloidal sol in step 2 is fitted into spray gun, in 4-10Kg/cm2Under the drive of compressed air, with 2-
4mm/s translational speed is equably injected in the surface of zeolite, and the distance between spray gun and zeolite are 18-22cm；Then put quiet
It is 3-5h at 38-42 DEG C to be placed in temperature, forms it into one layer of uniform gel film；Move into baking oven in 55-62 DEG C of drying
1.2-1.8h, is cooled to after room temperature, in muffle furnace, is 520-550 DEG C of roasting 2-2.5h in temperature, catalyst is made.
The surface adhesion of grid type biofilm packing 31 has bacterium and fungi, and the bacterium is in units of parts by weight, bag
Include following components：32-56 parts of sarcine, 15-34 parts of spirillum, 20-35 parts of Brevibacillus laterosporus, Acinebobacter lwoffi
23-62 parts, 36-68 parts of indoles Chryseobacterium sp of production, the fungi is in units of parts by weight, including following components：Mucor indicus
38-62 parts, 20-42 parts of skin Nocard's bacillus, 12-16 parts of cladosporium, 8-12 parts of paecilomycerol, 4-9 parts of gliocladium germ.
The circulation liquid device 2 is built with nutrient solution, and the nutrient solution is in units of parts by weight, including following raw material：It is green
Bean sprouts 120-160 parts, 24-36 parts of glucose, 20-28 parts of peptone, 2-4 parts of calcium sulfate, 3-6 parts of potassium dihydrogen phosphate, phosphoric acid hydrogen
1-3 parts of sodium, 2-3 parts of magnesium sulfate, 1-2 parts of iron chloride, 0.5-2 parts of ammonium chloride, 2-5 parts of potassium sulfate, 1-3 parts of zinc sulfate, water 500-
600 parts.
The preparation method of the nutrient solution is as follows：Mung bean sprouts is cleaned, adds water and boils 28-32min；With filtered through gauze, filtrate
Middle addition glucose, peptone, calcium sulfate, potassium dihydrogen phosphate, dibastic sodium phosphate, magnesium sulfate, iron chloride, ammonium chloride, potassium sulfate, sulphur
Sour zinc, stirring and dissolving, tune pH value is 7.3-7.5, and nutrient solution is made in cooling, packing, sterilizing.
Embodiment 1
As shown in Figure 1：A kind of reaction system for being used to absorb VOCS, including ultraviolet light treatment chamber 1, circulation liquid device 2, suction
Reaction tower 3 is received, the ultraviolet light treatment chamber 1 is connected with absorbing reaction tower 3 by pipeline A, the circulation liquid device 2 passes through pipeline
The top of B connection absorbing reactions tower 3, the bottom that the circulation liquid device 2 passes through pipeline C connection absorbing reactions tower 3.
The ultraviolet light treatment chamber 1 includes air inlet 11.
The circulation liquid device 2 includes temperature sensor A 21, pH electrodes 22, and the temperature sensor A 21, which is arranged at, to follow
The top of ring liquid device 2, the pH electrodes 22 are arranged at the bottom of circulation liquid device 2.
The absorbing reaction tower 3 includes grid type biofilm packing 31, temperature sensor B 32, spray head 33, gas outlet
34, the grid type biofilm packing 31 is arranged at the middle part of the absorbing reaction tower 3, the temperature sensor B 32, spray
First 33, gas outlet 34 is arranged at the top of the absorbing reaction tower 3.
Grid type biofilm packing 31 is in units of parts by weight, including following raw material：It is 16 parts of ceramics, 20 parts of diatomite, poly-
12 parts of urethane, 26 parts of activated carbon, 4 parts of synthetic adsorbent, 1.6 parts of catalyst.
The preparation method of the synthetic adsorbent, comprises the following steps：
(a) using the constituent content in X-ray fluorescence spectra analytic approach analysis blast furnace slag, and calculated by constituent content
Mg/ (Mn+Si) is than being 0.201 for 0.08, Mn/ (Mn+Si) ratio；
(b) regulation blast furnace slag Mg/ (Mn+Si) adds MgO and SiO than comparing with Mn/ (Mn+Si) in 1g blast furnace slags2Regulation
Mg/ (Mn+Si) ratios and Mn/ (Mn+Si) ratio respectively to 0.84 and 0.146, are made mixture A；
(c) 34mL deionized waters are added into mixture A made from step b, are 130W in microwave power, temperature is 33
DEG C, mixture B is made to stir 14min under 200r/min in rotating speed；
(d) mixture B made from step c is placed in reactor, obtains reaction product in reacting 5h at 450 DEG C, react
Product is washed with deionized water only, is 0.6% in being dried at 78 DEG C to moisture content, synthetic adsorbent is made.
The preparation method of the catalyst, comprises the following steps：
(1) particle size is put for 0.12cm zeolite and soaks 0.9h in deionized water, 8% sulfuric acid is put into after taking-up
0.6h is boiled in heating in solution, then is washed with deionized, until pH is 7, is placed in baking oven in drying 1.7h at 86 DEG C, cools down
It is standby；
(2) 25mL tin tetrabromides solution is added drop-wise in 3.3 times of absolute ethyl alcohols with 1 drop/s speed, during dropwise addition
Stirred by 400r/min of rotating speed, be configured to A liquid；The palladium salt solution 3mL that mass concentration is 0.4% is taken, is dripped with 1 drop/s speed
It is added in 8mL absolute ethyl alcohols and is configured to B liquid, solution ph is adjusted to 1.8；It is 400r/min in rotating speed, temperature is 45 DEG C of conditions
Under, B liquid is slowly dropped in A liquid with the 1 drop speed of/3 seconds, it is 45 DEG C to control temperature, with rotating speed 200r/min under lucifuge
Continue to stir 7h, stood in air, until solution viscosity is 5mPas, colloidal sol is made；
(3) obtained colloidal sol in step 2 is fitted into spray gun, in 7Kg/cm2Under the drive of compressed air, with 3mm/s's
Translational speed is equably injected in the surface of zeolite, and the distance between spray gun and zeolite are 20cm；Then put and be statically placed in temperature and be
4h at 40 DEG C, forms it into one layer of uniform gel film；Move into baking oven in 58 DEG C of dry 1.5h, be cooled to after room temperature, in
In muffle furnace, it is 540 DEG C of roasting 2.3h in temperature, catalyst is made.
The surface adhesion of grid type biofilm packing 31 has bacterium and fungi, and the bacterium is in units of parts by weight, bag
Include following components：45 parts of sarcine, 25 parts of spirillum, 26 parts of Brevibacillus laterosporus, 45 parts of Acinebobacter lwoffi, production indoles
46 parts of Chryseobacterium sp, the fungi is in units of parts by weight, including following components：50 parts of Mucor indicus, skin Nocard's bacillus 32
Part, 15 parts of cladosporium, 10 parts of paecilomycerol, 6 parts of gliocladium germ.
The circulation liquid device 2 is built with nutrient solution, and the nutrient solution is in units of parts by weight, including following raw material：It is green
140 parts of bean sprouts, 30 parts of glucose, 25 parts of peptone, 3 parts of calcium sulfate, 5 parts of potassium dihydrogen phosphate, 2 parts of dibastic sodium phosphate, magnesium sulfate 2.5
Part, 1.5 parts of iron chloride, 1.3 parts of ammonium chloride, 4 parts of potassium sulfate, 2 parts of zinc sulfate, 550 parts of water.
The preparation method of the nutrient solution is as follows：Mung bean sprouts is cleaned, adds water and boils 30min；With filtered through gauze, in filtrate plus
Enter glucose, peptone, calcium sulfate, potassium dihydrogen phosphate, dibastic sodium phosphate, magnesium sulfate, iron chloride, ammonium chloride, potassium sulfate, sulfuric acid
Zinc, stirring and dissolving, it is 7.4 to adjust pH value, cooling, packing, sterilizing, and nutrient solution is made.
Embodiment 2
As shown in Figure 1：A kind of reaction system for being used to absorb VOCS, including ultraviolet light treatment chamber 1, circulation liquid device 2, suction
Reaction tower 3 is received, the ultraviolet light treatment chamber 1 is connected with absorbing reaction tower 3 by pipeline A, the circulation liquid device 2 passes through pipeline
The top of B connection absorbing reactions tower 3, the bottom that the circulation liquid device 2 passes through pipeline C connection absorbing reactions tower 3.
The ultraviolet light treatment chamber 1 includes air inlet 11.
The circulation liquid device 2 includes temperature sensor A 21, pH electrodes 22, and the temperature sensor A 21, which is arranged at, to follow
The top of ring liquid device 2, the pH electrodes 22 are arranged at the bottom of circulation liquid device 2.
The absorbing reaction tower 3 includes grid type biofilm packing 31, temperature sensor B 32, spray head 33, gas outlet
34, the grid type biofilm packing 31 is arranged at the middle part of the absorbing reaction tower 3, the temperature sensor B 32, spray
First 33, gas outlet 34 is arranged at the top of the absorbing reaction tower 3.
Grid type biofilm packing 31 is in units of parts by weight, including following raw material：It is 11 parts of ceramics, 16 parts of diatomite, poly-
8 parts of urethane, 18 parts of activated carbon, 3 parts of synthetic adsorbent, 1 part of catalyst.
The preparation method of the synthetic adsorbent, comprises the following steps：
(a) using the constituent content in X-ray fluorescence spectra analytic approach analysis blast furnace slag, and calculated by constituent content
Mg/ (Mn+Si) is than being 0.187 for 0.05, Mn/ (Mn+Si) ratio；
(b) regulation blast furnace slag Mg/ (Mn+Si) adds MgO and SiO than comparing with Mn/ (Mn+Si) in 1g blast furnace slags2Regulation
Mg/ (Mn+Si) ratios and Mn/ (Mn+Si) ratio respectively to 0.83 and 0.142, are made mixture A；
(c) 32mL deionized waters are added into mixture A made from step b, are 100W in microwave power, temperature is 30
DEG C, mixture B is made to stir 15min under 200r/min in rotating speed；
(d) mixture B made from step c is placed in reactor, obtains reaction product in reacting 6h at 400 DEG C, react
Product is washed with deionized water only, is 0.5% in being dried at 75 DEG C to moisture content, synthetic adsorbent is made.
The preparation method of the catalyst, comprises the following steps：
(1) particle size is put for 0.03cm zeolite and soaks 1h in deionized water, the sulfuric acid that 6% is put into after taking-up is molten
0.8h is boiled in heating in liquid, then is washed with deionized, until pH is 6.8, is placed in baking oven in drying 1.8h at 85 DEG C, cools down
It is standby；
(2) 18mL tin tetrabromides solution is added drop-wise in 3 times of absolute ethyl alcohols with 1 drop/s speed, during dropwise addition with
Rotating speed stirs for 300r/min, is configured to A liquid；The palladium salt solution 2mL that mass concentration is 0.2% is taken, is added dropwise with 1 drop/s speed
B liquid is configured into 5mL absolute ethyl alcohols, solution ph is adjusted to 1.2；Rotating speed be 350r/min, temperature be 42 DEG C under the conditions of,
B liquid is slowly dropped in A liquid with the 1 drop speed of/2 seconds, it is 42 DEG C to control temperature, is continued under lucifuge with rotating speed 200r/min
8h is stirred, is stood in air, until solution viscosity is 4.2mPas, colloidal sol is made；
(3) obtained colloidal sol in step 2 is fitted into spray gun, in 4Kg/cm2Under the drive of compressed air, with 2mm/s's
Translational speed is equably injected in the surface of zeolite, and the distance between spray gun and zeolite are 18cm；Then put and be statically placed in temperature and be
5h at 38 DEG C, forms it into one layer of uniform gel film；Move into baking oven in 55 DEG C of dry 1.8h, be cooled to after room temperature, in
In muffle furnace, it is 520 DEG C of roasting 2.5h in temperature, catalyst is made.
The surface adhesion of grid type biofilm packing 31 has bacterium and fungi, and the bacterium is in units of parts by weight, bag
Include following components：32 parts of sarcine, 15 parts of spirillum, 20 parts of Brevibacillus laterosporus, 23 parts of Acinebobacter lwoffi, production indoles
36 parts of Chryseobacterium sp, the fungi is in units of parts by weight, including following components：38 parts of Mucor indicus, skin Nocard's bacillus 20
Part, 12 parts of cladosporium, 8 parts of paecilomycerol, 4 parts of gliocladium germ.
The circulation liquid device 2 is built with nutrient solution, and the nutrient solution is in units of parts by weight, including following raw material：It is green
120 parts of bean sprouts, 24 parts of glucose, 20 parts of peptone, 2 parts of calcium sulfate, 3 parts of potassium dihydrogen phosphate, 1 part of dibastic sodium phosphate, magnesium sulfate 2
Part, 1 part of iron chloride, 0.-2 parts of ammonium chloride, 2 parts of potassium sulfate, 1 part of zinc sulfate, 500 parts of water.
The preparation method of the nutrient solution is as follows：Mung bean sprouts is cleaned, adds water and boils 28min；With filtered through gauze, in filtrate plus
Enter glucose, peptone, calcium sulfate, potassium dihydrogen phosphate, dibastic sodium phosphate, magnesium sulfate, iron chloride, ammonium chloride, potassium sulfate, sulfuric acid
Zinc, stirring and dissolving, it is 7.3 to adjust pH value, cooling, packing, sterilizing, and nutrient solution is made.
Embodiment 3
As shown in Figure 1：A kind of reaction system for being used to absorb VOCS, including ultraviolet light treatment chamber 1, circulation liquid device 2, suction
Reaction tower 3 is received, the ultraviolet light treatment chamber 1 is connected with absorbing reaction tower 3 by pipeline A, the circulation liquid device 2 passes through pipeline
The top of B connection absorbing reactions tower 3, the bottom that the circulation liquid device 2 passes through pipeline C connection absorbing reactions tower 3.
The ultraviolet light treatment chamber 1 includes air inlet 11.
The circulation liquid device 2 includes temperature sensor A 21, pH electrodes 22, and the temperature sensor A 21, which is arranged at, to follow
The top of ring liquid device 2, the pH electrodes 22 are arranged at the bottom of circulation liquid device 2.
The absorbing reaction tower 3 includes grid type biofilm packing 31, temperature sensor B 32, spray head 33, gas outlet
34, the grid type biofilm packing 31 is arranged at the middle part of the absorbing reaction tower 3, the temperature sensor B 32, spray
First 33, gas outlet 34 is arranged at the top of the absorbing reaction tower 3.
Grid type biofilm packing 31 is in units of parts by weight, including following raw material：It is 20 parts of ceramics, 25 parts of diatomite, poly-
13 parts of urethane, 35 parts of activated carbon, 5 parts of synthetic adsorbent, 2 parts of catalyst.
The preparation method of the synthetic adsorbent, comprises the following steps：
(a) using the constituent content in X-ray fluorescence spectra analytic approach analysis blast furnace slag, and calculated by constituent content
Mg/ (Mn+Si) is than being 0.213 for 0.09, Mn/ (Mn+Si) ratio；
(b) regulation blast furnace slag Mg/ (Mn+Si) adds MgO and SiO than comparing with Mn/ (Mn+Si) in 1g blast furnace slags2Regulation
Mg/ (Mn+Si) ratios and Mn/ (Mn+Si) ratio respectively to 0.85 and 0.148, are made mixture A；
(c) 35mL deionized waters are added into mixture A made from step b, are 150W in microwave power, temperature is 30-
35 DEG C, mixture B is made to stir 12min under 300r/min in rotating speed；
(d) mixture B made from step c is placed in reactor, obtains reaction product in reacting 4h at 500 DEG C, react
Product is washed with deionized water only, is 0.5% in being dried at 82 DEG C to moisture content, synthetic adsorbent is made.
The preparation method of the catalyst, comprises the following steps：
(1) particle size is put for 0.2cm zeolite and soaks 0.7h in deionized water, 10% sulfuric acid is put into after taking-up
0.8h is boiled in heating in solution, then is washed with deionized, until pH is 6.8, is placed in baking oven in drying 1.5h at 88 DEG C, cold
It is standby；
(2) 30mL tin tetrabromides solution is added drop-wise in 3.5 times of absolute ethyl alcohols with 1 drop/s speed, during dropwise addition
Stirred by 500r/min of rotating speed, be configured to A liquid；The palladium salt solution 4mL that mass concentration is 0.6% is taken, is dripped with 2 drops/s speed
It is added in 12mL absolute ethyl alcohols and is configured to B liquid, solution ph is adjusted to 2.4；It is 3500r/min in rotating speed, temperature is 46 DEG C of bars
Under part, B liquid is slowly dropped in A liquid with the 1 drop speed of/4 seconds, it is 46 DEG C to control temperature, with rotating speed 300r/ under lucifuge
Min continues to stir 6h, is stood in air, until solution viscosity is 5.8mPas, colloidal sol is made；
(3) obtained colloidal sol in step 2 is fitted into spray gun, in 10Kg/cm2Under the drive of compressed air, with 4mm/s's
Translational speed is equably injected in the surface of zeolite, and the distance between spray gun and zeolite are 22cm；Then put and be statically placed in temperature and be
3h at 42 DEG C, forms it into one layer of uniform gel film；Move into baking oven in 62 DEG C of dry 1.2h, be cooled to after room temperature, in
In muffle furnace, it is 550 DEG C of roasting 2h in temperature, catalyst is made.
The surface adhesion of grid type biofilm packing 31 has bacterium and fungi, and the bacterium is in units of parts by weight, bag
Include following components：56 parts of sarcine, 34 parts of spirillum, 35 parts of Brevibacillus laterosporus, 62 parts of Acinebobacter lwoffi, production indoles
68 parts of Chryseobacterium sp, the fungi is in units of parts by weight, including following components：62 parts of Mucor indicus, skin Nocard's bacillus 42
Part, 16 parts of cladosporium, 12 parts of paecilomycerol, 9 parts of gliocladium germ.
The circulation liquid device 2 is built with nutrient solution, and the nutrient solution is in units of parts by weight, including following raw material：It is green
160 parts of bean sprouts, 36 parts of glucose, 28 parts of peptone, 4 parts of calcium sulfate, 6 parts of potassium dihydrogen phosphate, 3 parts of dibastic sodium phosphate, magnesium sulfate 3
Part, 2 parts of iron chloride, 2 parts of ammonium chloride, 5 parts of potassium sulfate, 3 parts of zinc sulfate, 600 parts of water.
The preparation method of the nutrient solution is as follows：Mung bean sprouts is cleaned, adds water and boils 32min；With filtered through gauze, in filtrate plus
Enter glucose, peptone, calcium sulfate, potassium dihydrogen phosphate, dibastic sodium phosphate, magnesium sulfate, iron chloride, ammonium chloride, potassium sulfate, sulfuric acid
Zinc, stirring and dissolving, it is 7.5 to adjust pH value, cooling, packing, sterilizing, and nutrient solution is made.
Comparative example 1
Technique is substantially the same manner as Example 3, has difference only and is：The constitutive material of grid type biofilm packing only includes
Ceramics, diatomite, polyurethane, without activated carbon, synthetic adsorbent, catalyst.
Comparative example 2
Technique is substantially the same manner as Example 3, has difference only and is：The constitutive material of grid type biofilm packing only includes
Ceramics, diatomite, polyurethane, synthetic adsorbent, catalyst, without activated carbon.
Comparative example 3
Technique is substantially the same manner as Example 3, has difference only and is：The constitutive material of grid type biofilm packing only includes
Ceramics, diatomite, polyurethane, activated carbon, catalyst, not comprising synthetic adsorbent.
Comparative example 4
Technique is substantially the same manner as Example 3, has difference only and is：The constitutive material of grid type biofilm packing only includes
Ceramics, diatomite, polyurethane, activated carbon, synthetic adsorbent, without catalyst.
Comparative example 5
Technique is substantially the same manner as Example 3, has difference only and is：Grid type biofilm packing surface, which is only sticked, true
Bacterium, not sticking has bacterium.
Comparative example 6
Technique is substantially the same manner as Example 3, has difference only and is：Grid type biofilm packing surface adhesion have bacterium and
Fungi, the bacterium includes following components：Spirillum, Brevibacillus laterosporus, Acinebobacter lwoffi, production indoles Chryseobacterium sp,
Without sarcine.
Comparative example 7
Technique is substantially the same manner as Example 3, has difference only and is：Grid type biofilm packing surface adhesion have bacterium and
Fungi, the bacterium includes following components：Sarcine, Brevibacillus laterosporus, Acinebobacter lwoffi, the production golden yellow bar of indoles
Bacterium, without spirillum.
Comparative example 8
Technique is substantially the same manner as Example 3, has difference only and is：Grid type biofilm packing surface adhesion have bacterium and
Fungi, the bacterium includes following components：Sarcine, spirillum, Acinebobacter lwoffi, production indoles Chryseobacterium sp, without side
Spore bacillus brevis.
Comparative example 9
Technique is substantially the same manner as Example 3, has difference only and is：Grid type biofilm packing surface adhesion have bacterium and
Fungi, the bacterium includes following components：Sarcine, spirillum, Brevibacillus laterosporus, production indoles Chryseobacterium sp, are free of
Acinebobacter lwoffi.
Comparative example 10
Technique is substantially the same manner as Example 3, has difference only and is：Grid type biofilm packing surface adhesion have bacterium and
Fungi, the bacterium includes following components：Sarcine, spirillum, Brevibacillus laterosporus, Acinebobacter lwoffi, without production
Indoles Chryseobacterium sp.
Comparative example 11
Technique is substantially the same manner as Example 3, has difference only and is：Grid type biofilm packing surface, which is only sticked, thin
Bacterium, not sticking has fungi.
Comparative example 12
Technique is substantially the same manner as Example 3, has difference only and is：Grid type biofilm packing surface adhesion have bacterium and
Fungi, the fungi includes following components：Skin Nocard's bacillus, cladosporium, paecilomycerol, gliocladium germ, not comprising India Mucor
Bacterium.
Comparative example 13
Technique is substantially the same manner as Example 3, has difference only and is：Grid type biofilm packing surface adhesion have bacterium and
Fungi, the fungi includes following components：Mucor indicus, cladosporium, paecilomycerol, gliocladium germ, not comprising skin promise Cattell
Bacterium.
Comparative example 14
Technique is substantially the same manner as Example 3, has difference only and is：Grid type biofilm packing surface adhesion have bacterium and
Fungi, the fungi includes following components：Mucor indicus, skin Nocard's bacillus, paecilomycerol, gliocladium germ, not comprising branch spore
Bacterium.
Comparative example 15
Technique is substantially the same manner as Example 3, has difference only and is：Grid type biofilm packing surface adhesion have bacterium and
Fungi, the fungi includes following components：Mucor indicus, skin Nocard's bacillus, cladosporium, gliocladium germ, not comprising Paecilomyces varioti
Bacterium.
Comparative example 16
Technique is substantially the same manner as Example 3, has difference only and is：Grid type biofilm packing surface adhesion have bacterium and
Fungi, the fungi includes following components：Mucor indicus, skin Nocard's bacillus, cladosporium, paecilomycerol, it is mould not comprising viscous broom
Bacterium.
Embodiment 4
Waste gas containing VOCs is handled using embodiment 1-3, comparative example 1-16 system.The waste gas master containing VOCs
To contain benzene,toluene,xylene and styrene, VOCs concentration is 600ppm in air inlet, with processing 20s, detection mobile phase room goes out
VOCs concentration, as a result see the table below in gas port.
As seen from table：Using preferable to VOCs treatment effect during system processing waste gas containing VOCs of the invention, degraded effect
Rate is up to more than 98.8%；From embodiment 3 and comparative example 1-4 degradation efficiency data analysis, grid type biofilm packing
Constitutive material simultaneously including ceramics, diatomite, polyurethane, activated carbon, synthetic adsorbent, catalyst when, generate collaboration work
With promotion degraded VOCs；From embodiment 3 and comparative example 5-10 degradation efficiency data analysis, grid type biofilm packing
Surface adhesion has bacterium, and the bacterium is simultaneously including following components：Sarcine, spirillum, Brevibacillus laterosporus, Lu Shi are not
When lever bacterium, production indoles Chryseobacterium sp, synergy is generated between five, promotes degraded VOCs；By embodiment 3 and comparative example
11-16 degradation efficiency data analysis understands that grid type biofilm packing surface adhesion has fungi, and the fungi is simultaneously including print
When spending mucor, skin Nocard's bacillus, cladosporium, paecilomycerol, gliocladium germ, synergy is generated between five, promotes drop
Solve VOCs.
Above content is further description made for the present invention, it is impossible to assert being confined to these and saying for the present invention
It is bright., without departing from the inventive concept of the premise, can be with for general technical staff of the technical field of the invention
Some simple deduction or replace are made, the patent protection that the present invention is determined by the claims submitted should be all considered as belonging to
Scope.
Claims (7)
1. a kind of bacterium, it is characterised in that the bacterium is in units of parts by weight, including following components：Sarcine 32-56
Part, 15-34 parts of spirillum, 20-35 parts of Brevibacillus laterosporus, 23-62 parts of Acinebobacter lwoffi, production indoles Chryseobacterium sp 36-
68 parts.
2. a kind of bacterium according to claim 1 is absorbing VOCs application.
3. bacterium according to claim 2 is absorbing VOCs application, it is characterised in that：The bacterial adhesion is in grid type
Biofilm packing surface.
4. bacterium according to claim 3 is absorbing VOCs application, it is characterised in that：The grid type biofilm packing
In units of parts by weight, including following raw material：Ceramic 10-22 parts, 16-25 parts of diatomite, 8-13 parts of polyurethane, activated carbon 18-
35 parts, 3-5 parts of synthetic adsorbent, 1-2 parts of catalyst.
5. bacterium according to claim 4 is absorbing VOCs application, it is characterised in that：The preparation of the synthetic adsorbent
Method, comprises the following steps：
(a) using the constituent content in X-ray fluorescence spectra analytic approach analysis blast furnace slag, and Mg/ (Mn are calculated by constituent content
+ Si) than being 0.05-0.09, Mn/ (Mn+Si) is than being 0.187-0.213；
(b) regulation blast furnace slag Mg/ (Mn+Si) adds MgO and SiO than comparing with Mn/ (Mn+Si) in 1g blast furnace slags2Adjust Mg/
(Mn+Si) than, respectively to 0.83-0.85 and 0.142-0.148, mixture A being made with Mn/ (Mn+Si) ratio；
(c) 32-35mL deionized waters are added into mixture A made from step b, are 100-150W in microwave power, temperature is
30-35 DEG C, mixture B is made to stir 12-15min under 200-300r/min in rotating speed；
(d) mixture B made from step c is placed in reactor, obtains reaction product in reacting 4-6h at 400-500 DEG C, instead
Answer product to be washed with deionized water only, in being dried at 75-82 DEG C to moisture content≤0.6%, synthetic adsorbent is made.
6. bacterium according to claim 4 is absorbing VOCs application, it is characterised in that：The preparation side of the catalyst
Method, comprises the following steps：
(1) particle size is put for 0.03-0.2cm zeolite and soaks 0.7-1h in deionized water, 6%- is put into after taking-up
0.4-0.8h is boiled in heating in 10% sulfuric acid solution, then is washed with deionized, until pH is 6.8-7.2, is placed in baking oven
In drying 1.5-1.8h at 85-88 DEG C, cool down standby；
(2) 18-30mL tin tetrabromides solution is added drop-wise in 3-3.5 times of absolute ethyl alcohol with 1 drop/s speed, during dropwise addition
Stirred by 300-500r/min of rotating speed, be configured to A liquid；The palladium salt solution 2-4mL that mass concentration is 0.2%-0.6% is taken, with
1-2 drops/s speed, which is added drop-wise in 5-12mL absolute ethyl alcohols, is configured to B liquid, and solution ph is adjusted to 1.2-2.4；It is in rotating speed
350-450r/min, B liquid is under the conditions of 42-46 DEG C, was slowly dropped in A liquid by temperature with the speed of 1 drop/2-4 seconds, control temperature
Spend for 42-46 DEG C, stirring 6-8h is continued with rotating speed 200-300r/min under lucifuge, stood in air, until solution viscosity
For 4.2-5.8mPas, colloidal sol is made；
(3) obtained colloidal sol in step 2 is fitted into spray gun, in 4-10Kg/cm2Under the drive of compressed air, with 2-4mm/s's
Translational speed is equably injected in the surface of zeolite, and the distance between spray gun and zeolite are 18-22cm；Then put and be statically placed in temperature
For 3-5h at 38-42 DEG C, one layer of uniform gel film is formed it into；Move into baking oven in 55-62 DEG C of dry 1.2-1.8h, it is cold
But to after room temperature, in muffle furnace, it is 520-550 DEG C of roasting 2-2.5h in temperature, catalyst is made.
7. bacterium according to claim 3 is absorbing VOCs application, it is characterised in that：The grid type biofilm packing
Surface also stick and have fungi, the fungi is in units of parts by weight, including following components：38-62 parts of Mucor indicus, Pi Nuo
20-42 parts of Cattell bacterium, 12-16 parts of cladosporium, 8-12 parts of paecilomycerol, 4-9 parts of gliocladium germ.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111733113A (en) * | 2020-07-23 | 2020-10-02 | 中国科学院上海高等研究院 | COD (chemical oxygen demand) degrading strain and application thereof |
| CN112852674A (en) * | 2021-02-20 | 2021-05-28 | 杭州楠大环保科技有限公司 | Preparation method of industrial sewage treatment microbial inoculum |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103100386A (en) * | 2013-01-15 | 2013-05-15 | 汕头大学 | Preparation method of monolithic catalyst for degrading VOCS (Volatile Organic Compounds) |
| CN103252210A (en) * | 2013-05-22 | 2013-08-21 | 武汉红金龙印务股份有限公司 | Method for preparing adsorbent for volatile organic compounds (VOCs) in air |
| US20150246150A1 (en) * | 2012-06-21 | 2015-09-03 | Living Technologies, Cooperatieve Vennootschap Met Beperkteaansprakelijkheid | Method for removing particulate matter in indoor environments |
| CN106512709A (en) * | 2016-08-29 | 2017-03-22 | 惠州惠能节能环保科技有限公司 | Treatment method of VOC waste gas |
-
2017
- 2017-05-25 CN CN201710375779.9A patent/CN107254418A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20150246150A1 (en) * | 2012-06-21 | 2015-09-03 | Living Technologies, Cooperatieve Vennootschap Met Beperkteaansprakelijkheid | Method for removing particulate matter in indoor environments |
| CN103100386A (en) * | 2013-01-15 | 2013-05-15 | 汕头大学 | Preparation method of monolithic catalyst for degrading VOCS (Volatile Organic Compounds) |
| CN103252210A (en) * | 2013-05-22 | 2013-08-21 | 武汉红金龙印务股份有限公司 | Method for preparing adsorbent for volatile organic compounds (VOCs) in air |
| CN106512709A (en) * | 2016-08-29 | 2017-03-22 | 惠州惠能节能环保科技有限公司 | Treatment method of VOC waste gas |
Non-Patent Citations (1)
| Title |
|---|
| GABRIEL VIGUERAS ET AL: "Hydrophobic response of the fungus Rhinocladiella similis in the biofiltration with volatile organic compounds with different polarity", 《BIOTECHNOL LETT》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111733113A (en) * | 2020-07-23 | 2020-10-02 | 中国科学院上海高等研究院 | COD (chemical oxygen demand) degrading strain and application thereof |
| CN112852674A (en) * | 2021-02-20 | 2021-05-28 | 杭州楠大环保科技有限公司 | Preparation method of industrial sewage treatment microbial inoculum |
| CN112852674B (en) * | 2021-02-20 | 2022-08-23 | 杭州楠大环保科技有限公司 | Preparation method of industrial sewage treatment microbial inoculum |
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