CN107185478A - A kind of synthetic adsorbent, preparation method and its application in degraded VOCs - Google Patents
A kind of synthetic adsorbent, preparation method and its application in degraded VOCs Download PDFInfo
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- CN107185478A CN107185478A CN201710375783.5A CN201710375783A CN107185478A CN 107185478 A CN107185478 A CN 107185478A CN 201710375783 A CN201710375783 A CN 201710375783A CN 107185478 A CN107185478 A CN 107185478A
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- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
- B01J20/10—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate
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- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
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- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
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- B01J20/04—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising compounds of alkali metals, alkaline earth metals or magnesium
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Abstract
The invention discloses a kind of synthetic adsorbent, preparation method and its application in degraded VOCs, the preparation method of the synthetic adsorbent comprises the following steps:(a) constituent content in analysis blast furnace slag, calculates Mg/ (Mn+Si) ratio and Mn/ (Mn+Si) ratio;(b) MgO and SiO is added in 1g blast furnace slags2Mg/ (Mn+Si) ratio and Mn/ (Mn+Si) ratio are adjusted, mixture A is made;(c) add deionized water into mixture A made from step b, in being stirred under microwave action, mixture B is made;(d) mixture B made from step c is placed in heating response in reactor, net, drying is then washed with deionized water, synthetic adsorbent is made.Be used to degrading using the synthetic adsorbent of the present invention VOCs waste gas when to VOCs treatment effect preferably, degradation efficiency is high.
Description
【Technical field】
The invention belongs to VOCs Treatment process field, more particularly to a kind of synthetic adsorbent, preparation method and its in degraded
VOCs's should.
【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 synthetic adsorbent, preparation method and its application in degraded VOCs, to solve existing absorption
The problem of agent degraded VOCs is less efficient.
To solve above technical problem, the present invention provides following technical scheme:
A kind of preparation method of 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) ratio, 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) ratio and Mn/ (Mn+Si) ratio, are 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, Mg/ described in step (a) (Mn+Si) ratio is 0.05-0.09.
Further, Mn/ described in step (a) (Mn+Si) ratio is 0.187-0.213.
Further, MgO regulation Mg/ (Mn+Si) to 0.83-0.85 are added described in step (b).
Further, SiO is added described in step (b)2Mn/ (Mn+Si) ratio is adjusted to 0.142-0.148.
Application of the described synthetic adsorbent in degraded VOCs.
Further, the synthetic adsorbent is used in filtering material, and the filtering material includes activated carbon, synthesis and inhaled
Attached dose, catalyst.
Further, the activated carbon, synthetic adsorbent, the mass ratio of catalyst are 18-35:2-4:1.
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.
The present invention has following effects:
Be used to degrading using the synthetic adsorbent of the present invention VOCs waste gas when to VOCs treatment effect preferably, degraded effect
Rate is high;When containing activated carbon, synthetic adsorbent, catalyst simultaneously in the filtering material of filtering ponds, collaboration is generated between three
Effect, it is favourable to promote degraded VOCs.
【Brief description of the drawings】
Fig. 1 is the system structure diagram for the VOCs that degrades,
In figure, 1 is vibrating type high-pressure installation, and 11 be vibrating type high-pressure installation air inlet, and 12 is fill Ni-MH battery, and 2 were
Filter tank, 3 be bacteria-fungal combined type reaction tank, and 31 be mobile phase room, and 311 be dividing plate, and 3111 be import, and 3112 be outlet,
312 be temp probe sensor, and 313 be pH electrodes, and 32 be mobile phase room gas outlet.
【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 system for the VOCs that degrades, including vibrating type high-pressure installation 1, filtering
Pond 2, bacteria-fungal combined type reaction tank 3, the vibrating type high-pressure installation 1 are connected with filtering ponds 2 by pipeline A, the filtering
Pond 2 is connected with bacteria-fungal combined type reaction tank 3 by pipeline B, and the vibrating type high-pressure installation 1 press-fits including vibrating type height
Put air inlet 11, fill Ni-MH battery 12, the filtering material in the filtering ponds 2 contains activated carbon, synthetic adsorbent, catalyst,
The activated carbon, synthetic adsorbent, the mass ratio of catalyst are 18-35:2-4:1, the bacteria-fungal combined type reaction tank 3
Including mobile phase room 31 and gas outlet 32, the number of the mobile phase room 31 is 4, the adjacent flow phase room by dividing plate 311 every
Open and form import 3111 and outlet 3112, each mobile phase room is provided with temp probe sensor 312 and pH electrodes 313, institute
The control mobile phase indoor temperature of temp probe sensor 312 is stated, the latter half of each mobile phase room is the bacterium of Flowing liquid
Pond nutrient solution and bacterium, bacterium can absorb hydrophilic pollutant, and the pH electrodes 313 ensure the pH value of bacterium pond nutrient solution;
Fungi culture medium and fungi are stained with the dividing plate of top half, fungi can absorb hydrophobic polluter, flow fluid significantly
Xiang Zhongke continuously adds pH buffer, inoculum, accelerator etc.;The product of poisonous inhibition can be quickly discharged simultaneously,
Keep higher bacterial activity.
Vibrating type high-pressure installation carries out high pressure to waste gas and clicks on electric discharge so that a part of waste gas is ionized, and moment punctures
Air and waste gas molecule, occurs a series of differentiation cracking reactions, produce high concentration, high intensity, the living radical of high-energy and
Can occur a series of primitive physical reactions when various electronics, ion etc., molecular collision in the offgas, and produce during the course of the reaction
The elemental oxygen given birth to various active free radical and ecological oxygen, i.e. ozone decomposed and produced;Living radical can be destroyed effectively respectively
Kind of virus, the nucleic acid in bacterium, protein prevent it from being normally metabolized and biosynthesis, so as to cause its dead;And give birth to
Organic exhaust gas molecule gas with foreign flavor can be decomposed or be reduced to low molecule innocuous substance by state oxygen rapidly;In addition, by plasma
In ion and object polymerize suction-operated, the trickle organic exhaust gas particulate matter of as low as submicron order can be carried out effective
Adsorption and sedimentation processing;Concentration is reduced, decomposed is, compared with small molecule, to add solubility, can greatly increase bacteria-fungal
The dissolving and absorption (utilizing the waste gas of the ultraviolet light pre-treating high concentration of certain wave band) of combined type reaction tank
Using fungal organism degraded waste gas, fungi has larger specific surface area, had to dry environment or strong acid environment
Stronger tolerance, shows the removal capacity to hydrophobicity VOCs more more preferable than bacterium.
The bacterium is in units of parts by weight, including following components:32-56 parts of sarcine, 15-34 parts of spirillum, side
20-35 parts of spore bacillus brevis, 23-62 parts of Acinebobacter lwoffi, 36-68 parts of indoles Chryseobacterium sp of production.
Bacterium pond nutrient solution is in units of parts by weight, including following raw material:24-36 parts of glucose, peptone 20-28
Part, 2-4 parts of calcium sulfate, 3-6 parts of potassium dihydrogen phosphate, 1-3 parts of dibastic sodium phosphate, 2-3 parts of magnesium sulfate, 1-2 parts of iron chloride, ammonium chloride
0.5-2 parts, 2-5 parts of potassium sulfate, 1-3 parts of zinc sulfate.
The fungi is in units of parts by weight, including following components:38-62 parts of Mucor indicus, skin Nocard's bacillus 20-42
Part, 12-16 parts of cladosporium, 8-12 parts of paecilomycerol, 4-9 parts of gliocladium germ.
The fungi culture medium is in units of parts by weight, including following raw material:120-160 parts of mung bean sprouts, agar 300-400
Part, 8-12 parts of glucose, 12-15 parts of peptone, 3-6 parts of dipotassium hydrogen phosphate, 3-5 parts of sodium chloride, 2-3 parts of bitter salt,
1-3 parts of green vitriol, 500-600 parts of water;The preparation method of the fungi culture medium is as follows:Mung bean sprouts is cleaned, is added water
Boil 28-32min;With filtered through gauze, added in filtrate and glucose, peptone, phosphoric acid hydrogen two are put into after agar, heating for dissolving
Potassium, sodium chloride, bitter salt, green vitriol, stirring and dissolving, tune pH value is 7.3-7.5, cools down, dispenses, goes out
Bacterium, is made fungi culture medium.
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 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 bioanalysis for the VOCs that degrades, comprises the following steps:
S1:Waste gas is led into vibrating type high-pressure installation, the vibrating type high-pressure installation carries out ionization process to the waste gas,
Obtain mixed gas A;
S2:The mixed gas A that step S1 is obtained flows through filtering ponds and handled again, obtains mixed gas B;
S3:The mixed gas B that step S2 is obtained flows through bacteria-fungal combined type reaction tank and absorbed, the gaseous mixture
Body B flows through bacteria-fungal combined type reaction tank and carries out absorbing what is be realized in:The mixed gas B flows into the first mobile phase
Room, flows through the first half of the first mobile phase room after the bacterium in the Flowing liquid of the latter half of the first mobile phase room absorbs
The fungi on dividing plate divided absorbs again, then the second mobile phase room is flowed into from baffled outlet, by under the second mobile phase room
Fungi on the dividing plate for the top half that bacterium in the Flowing liquid of half part flows through the second mobile phase room after absorbing inhales again
Receive, with this mixed gas after the bacterium and fungi of four mobile phase rooms absorb, gained mixed gas C goes out from mobile phase room
Gas port is thrown into air.
Embodiment 1
As shown in Figure 1:A kind of system for the VOCs that degrades, including vibrating type high-pressure installation 1, filtering ponds 2, bacterium-true
Bacterium combined type reaction tank 3, the vibrating type high-pressure installation 1 is connected with filtering ponds 2 by pipeline A, and the filtering ponds 2 and bacterium-
Fungi combined type reaction tank 3 is connected by pipeline B, the vibrating type high-pressure installation 1 include vibrating type high-pressure installation air inlet 11,
The filtering material filled in Ni-MH battery 12, the filtering ponds 2 contains activated carbon, synthetic adsorbent, catalyst, the activated carbon,
Synthetic adsorbent, the mass ratio of catalyst are 26:3:1, the bacteria-fungal combined type reaction tank 3 includes the He of mobile phase room 31
Gas outlet 32, the number of the mobile phase room 31 is 4, and the adjacent flow phase room is separated by dividing plate 311 and forms import 3111
With outlet 3112, each mobile phase room is provided with temp probe sensor 312 and pH electrodes 313, the temp probe sensor
312 control mobile phase indoor temperatures, the bacterium pond nutrient solution and bacterium of the latter half of each mobile phase room for Flowing liquid, carefully
Bacterium can absorb hydrophilic pollutant, and the pH electrodes 313 ensure the pH value of bacterium pond nutrient solution;Glued on the dividing plate of top half
With fungi culture medium and fungi, fungi can absorb significantly can continuously be added in hydrophobic polluter, Flowing liquid pH delay
Electuary, inoculum, accelerator etc.;The product of poisonous inhibition can be quickly discharged simultaneously, keep higher bacterial activity.
Vibrating type high-pressure installation carries out high pressure to waste gas and clicks on electric discharge so that a part of waste gas is ionized, and moment punctures
Air and waste gas molecule, occurs a series of differentiation cracking reactions, produce high concentration, high intensity, the living radical of high-energy and
Can occur a series of primitive physical reactions when various electronics, ion etc., molecular collision in the offgas, and produce during the course of the reaction
The elemental oxygen given birth to various active free radical and ecological oxygen, i.e. ozone decomposed and produced;Living radical can be destroyed effectively respectively
Kind of virus, the nucleic acid in bacterium, protein prevent it from being normally metabolized and biosynthesis, so as to cause its dead;And give birth to
Organic exhaust gas molecule gas with foreign flavor can be decomposed or be reduced to low molecule innocuous substance by state oxygen rapidly;In addition, by plasma
In ion and object polymerize suction-operated, the trickle organic exhaust gas particulate matter of as low as submicron order can be carried out effective
Adsorption and sedimentation processing;Concentration is reduced, decomposed is, compared with small molecule, to add solubility, can greatly increase bacteria-fungal
The dissolving and absorption (utilizing the waste gas of the ultraviolet light pre-treating high concentration of certain wave band) of combined type reaction tank
Using fungal organism degraded waste gas, fungi has larger specific surface area, had to dry environment or strong acid environment
Stronger tolerance, shows the removal capacity to hydrophobicity VOCs more more preferable than bacterium.
The bacterium is in units of parts by weight, including following components:40 parts of sarcine, 25 parts of spirillum, the short bud of side spore
28 parts of spore bacillus, 45 parts of Acinebobacter lwoffi, 47 parts of production indoles Chryseobacterium sp.
Bacterium pond nutrient solution is in units of parts by weight, including following raw material:30 parts of glucose, 25 parts of peptone, sulphur
Sour 3 parts of calcium, 5 parts of potassium dihydrogen phosphate, 2 parts of dibastic sodium phosphate, 2 parts of magnesium sulfate, 2 parts of iron chloride, 1.4 parts of ammonium chloride, 4 parts of potassium sulfate,
2 parts of zinc sulfate.
The fungi is in units of parts by weight, including following components:45 parts of Mucor indicus, skin Nocard's bacillus 30 part,
15 parts of spore bacterium, 10 parts of paecilomycerol, 6 parts of gliocladium germ.
The fungi culture medium is in units of parts by weight, including following raw material:150 parts of mung bean sprouts, 350 parts of agar, grape
Sugar 10 parts, 14 parts of peptone, 5 parts of dipotassium hydrogen phosphate, 4 parts of sodium chloride, 2 parts of bitter salt, 2 parts of green vitriol,
550 parts of water;The preparation method of the fungi culture medium is as follows:Mung bean sprouts is cleaned, adds water and boils 30min;With filtered through gauze, filtrate
Glucose, peptone, dipotassium hydrogen phosphate, sodium chloride, bitter salt, seven hydrations are put into after middle addition agar, heating for dissolving
Ferrous sulfate, stirring and dissolving, it is 7.4 to adjust pH value, cooling, packing, sterilizing, and fungi culture medium is made.
The preparation method of the catalyst, comprises the following steps:
(1) particle size is put for 0.1cm 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 87 DEG C, cools down
It is standby;
(2) 25mL tin tetrabromides solution is added drop-wise in 3.2 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 9mL 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 8Kg/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 41 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 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 32
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 80 DEG C to moisture content, synthetic adsorbent is made.
The bioanalysis for the VOCs that degrades, comprises the following steps:
S1:Waste gas is led into vibrating type high-pressure installation, the vibrating type high-pressure installation carries out ionization process to the waste gas,
Obtain mixed gas A;
S2:The mixed gas A that step S1 is obtained flows through filtering ponds and handled again, obtains mixed gas B;
S3:The mixed gas B that step S2 is obtained flows through bacteria-fungal combined type reaction tank and absorbed, the gaseous mixture
Body B flows through bacteria-fungal combined type reaction tank and carries out absorbing what is be realized in:The mixed gas B flows into the first mobile phase
Room, flows through the first half of the first mobile phase room after the bacterium in the Flowing liquid of the latter half of the first mobile phase room absorbs
The fungi on dividing plate divided absorbs again, then the second mobile phase room is flowed into from baffled outlet, by under the second mobile phase room
Fungi on the dividing plate for the top half that bacterium in the Flowing liquid of half part flows through the second mobile phase room after absorbing inhales again
Receive, with this mixed gas after the bacterium and fungi of four mobile phase rooms absorb, gained mixed gas C goes out from mobile phase room
Gas port is thrown into air.
Embodiment 2
As shown in Figure 1:A kind of system for the VOCs that degrades, including vibrating type high-pressure installation 1, filtering ponds 2, bacterium-true
Bacterium combined type reaction tank 3, the vibrating type high-pressure installation 1 is connected with filtering ponds 2 by pipeline A, and the filtering ponds 2 and bacterium-
Fungi combined type reaction tank 3 is connected by pipeline B, the vibrating type high-pressure installation 1 include vibrating type high-pressure installation air inlet 11,
The filtering material filled in Ni-MH battery 12, the filtering ponds 2 contains activated carbon, synthetic adsorbent, catalyst, the activated carbon,
Synthetic adsorbent, the mass ratio of catalyst are 18:2:1, the bacteria-fungal combined type reaction tank 3 includes the He of mobile phase room 31
Gas outlet 32, the number of the mobile phase room 31 is 4, and the adjacent flow phase room is separated by dividing plate 311 and forms import 3111
With outlet 3112, each mobile phase room is provided with temp probe sensor 312 and pH electrodes 313, the temp probe sensor
312 control mobile phase indoor temperatures, the bacterium pond nutrient solution and bacterium of the latter half of each mobile phase room for Flowing liquid, carefully
Bacterium can absorb hydrophilic pollutant, and the pH electrodes 313 ensure the pH value of bacterium pond nutrient solution;Glued on the dividing plate of top half
With fungi culture medium and fungi, fungi can absorb significantly can continuously be added in hydrophobic polluter, Flowing liquid pH delay
Electuary, inoculum, accelerator etc.;The product of poisonous inhibition can be quickly discharged simultaneously, keep higher bacterial activity.
Vibrating type high-pressure installation carries out high pressure to waste gas and clicks on electric discharge so that a part of waste gas is ionized, and moment punctures
Air and waste gas molecule, occurs a series of differentiation cracking reactions, produce high concentration, high intensity, the living radical of high-energy and
Can occur a series of primitive physical reactions when various electronics, ion etc., molecular collision in the offgas, and produce during the course of the reaction
The elemental oxygen given birth to various active free radical and ecological oxygen, i.e. ozone decomposed and produced;Living radical can be destroyed effectively respectively
Kind of virus, the nucleic acid in bacterium, protein prevent it from being normally metabolized and biosynthesis, so as to cause its dead;And give birth to
Organic exhaust gas molecule gas with foreign flavor can be decomposed or be reduced to low molecule innocuous substance by state oxygen rapidly;In addition, by plasma
In ion and object polymerize suction-operated, the trickle organic exhaust gas particulate matter of as low as submicron order can be carried out effective
Adsorption and sedimentation processing;Concentration is reduced, decomposed is, compared with small molecule, to add solubility, can greatly increase bacteria-fungal
The dissolving and absorption (utilizing the waste gas of the ultraviolet light pre-treating high concentration of certain wave band) of combined type reaction tank
Using fungal organism degraded waste gas, fungi has larger specific surface area, had to dry environment or strong acid environment
Stronger tolerance, shows the removal capacity to hydrophobicity VOCs more more preferable than bacterium.
The bacterium is in units of parts by weight, including following components:33 parts of sarcine, 15 parts of spirillum, the short bud of side spore
20 parts of spore bacillus, 25 parts of Acinebobacter lwoffi, 36 parts of production indoles Chryseobacterium sp.
Bacterium pond nutrient solution is in units of parts by weight, including following raw material:24 parts of glucose, 20 parts of peptone, sulphur
Sour 2 parts of calcium, 3 parts of potassium dihydrogen phosphate, 1 part of dibastic sodium phosphate, 2 parts of magnesium sulfate, 1 part of iron chloride, 0.5 part of ammonium chloride, 2 parts of potassium sulfate,
1 part of zinc sulfate.
The fungi is in units of parts by weight, including following components:40 parts of Mucor indicus, skin Nocard's bacillus 20 part,
12 parts of spore bacterium, 8 parts of paecilomycerol, 4 parts of gliocladium germ.
The fungi culture medium is in units of parts by weight, including following raw material:120 parts of mung bean sprouts, 300 parts of agar, grape
8 parts of sugar, 12 parts of peptone, 3 parts of dipotassium hydrogen phosphate, 3 parts of sodium chloride, 2 parts of bitter salt, 1 part of green vitriol, water
500 parts;The preparation method of the fungi culture medium is as follows:Mung bean sprouts is cleaned, adds water and boils 28min;With filtered through gauze, in filtrate
Add and glucose, peptone, dipotassium hydrogen phosphate, sodium chloride, bitter salt, seven hydration sulphur are put into after agar, heating for dissolving
It is sour ferrous, stirring and dissolving, it is 7.3 to adjust pH value, cooling, packing, sterilizing, and fungi culture medium is made.
The preparation method of the catalyst, comprises the following steps:
(1) particle size is put for 0.03cm zeolite and soaks 0.7h in deionized water, 7% 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 1.8h at 85 DEG C, cold
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 1.3;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
6h is stirred, is stood in air, until solution viscosity is 4.3mPas, colloidal sol is made;
(3) obtained colloidal sol in step 2 is fitted into spray gun, in 5Kg/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 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 bioanalysis for the VOCs that degrades, comprises the following steps:
S1:Waste gas is led into vibrating type high-pressure installation, the vibrating type high-pressure installation carries out ionization process to the waste gas,
Obtain mixed gas A;
S2:The mixed gas A that step S1 is obtained flows through filtering ponds and handled again, obtains mixed gas B;
S3:The mixed gas B that step S2 is obtained flows through bacteria-fungal combined type reaction tank and absorbed, the gaseous mixture
Body B flows through bacteria-fungal combined type reaction tank and carries out absorbing what is be realized in:The mixed gas B flows into the first mobile phase
Room, flows through the first half of the first mobile phase room after the bacterium in the Flowing liquid of the latter half of the first mobile phase room absorbs
The fungi on dividing plate divided absorbs again, then the second mobile phase room is flowed into from baffled outlet, by under the second mobile phase room
Fungi on the dividing plate for the top half that bacterium in the Flowing liquid of half part flows through the second mobile phase room after absorbing inhales again
Receive, with this mixed gas after the bacterium and fungi of four mobile phase rooms absorb, gained mixed gas C goes out from mobile phase room
Gas port is thrown into air.
Embodiment 3
As shown in Figure 1:A kind of system of the VOCs that is used to degrading, including it is vibrating type high-pressure installation 1, filtering ponds 2, thin
Bacterium-fungi combined type reaction tank 3, the vibrating type high-pressure installation 1 is connected with filtering ponds 2 by pipeline A, the filtering ponds 2 with
Bacteria-fungal combined type reaction tank 3 is connected by pipeline B, and the vibrating type high-pressure installation 1 includes vibrating type high-pressure installation air inlet
Mouth 11, the filtering material filled in Ni-MH battery 12, the filtering ponds 2 contain activated carbon, synthetic adsorbent, catalyst, the work
Property charcoal, synthetic adsorbent, catalyst mass ratio be 35:4:1, the bacteria-fungal combined type reaction tank 3 includes mobile phase room
31 and gas outlet 32, the number of the mobile phase room 31 is 4, and the adjacent flow phase room is separated by dividing plate 311 and forms import
3111 are provided with temp probe sensor 312 and pH electrodes 313 with outlet 3112, each mobile phase room, and the temp probe is passed
Sensor 312 controls mobile phase indoor temperature, and the latter half of each mobile phase room is the bacterium pond nutrient solution of Flowing liquid and thin
Bacterium, bacterium can absorb hydrophilic pollutant, and the pH electrodes 313 ensure the pH value of bacterium pond nutrient solution;Top half every
Fungi culture medium and fungi are stained with plate, fungi can absorb in hydrophobic polluter, Flowing liquid significantly continuously to be added
Plus pH buffer, inoculum, accelerator etc.;It can quickly discharge the product of poisonous inhibition simultaneously, keep higher thin
Bacterium activity.
Vibrating type high-pressure installation carries out high pressure to waste gas and clicks on electric discharge so that a part of waste gas is ionized, and moment punctures
Air and waste gas molecule, occurs a series of differentiation cracking reactions, produce high concentration, high intensity, the living radical of high-energy and
Can occur a series of primitive physical reactions when various electronics, ion etc., molecular collision in the offgas, and produce during the course of the reaction
The elemental oxygen given birth to various active free radical and ecological oxygen, i.e. ozone decomposed and produced;Living radical can be destroyed effectively respectively
Kind of virus, the nucleic acid in bacterium, protein prevent it from being normally metabolized and biosynthesis, so as to cause its dead;And give birth to
Organic exhaust gas molecule gas with foreign flavor can be decomposed or be reduced to low molecule innocuous substance by state oxygen rapidly;In addition, by plasma
In ion and object polymerize suction-operated, the trickle organic exhaust gas particulate matter of as low as submicron order can be carried out effective
Adsorption and sedimentation processing;Concentration is reduced, decomposed is, compared with small molecule, to add solubility, can greatly increase bacteria-fungal
The dissolving and absorption (utilizing the waste gas of the ultraviolet light pre-treating high concentration of certain wave band) of combined type reaction tank
Using fungal organism degraded waste gas, fungi has larger specific surface area, had to dry environment or strong acid environment
Stronger tolerance, shows the removal capacity to hydrophobicity VOCs more more preferable than bacterium.
The bacterium is in units of parts by weight, including following components:55 parts of sarcine, 34 parts of spirillum, the short bud of side spore
35 parts of spore bacillus, 62 parts of Acinebobacter lwoffi, 65 parts of production indoles Chryseobacterium sp.
Bacterium pond nutrient solution is in units of parts by weight, including following raw material:36 parts of glucose, 28 parts of peptone, sulphur
Sour 4 parts of calcium, 6 parts of potassium dihydrogen phosphate, 3 parts of dibastic sodium phosphate, 3 parts of magnesium sulfate, 2 parts of iron chloride, 2 parts of ammonium chloride, 5 parts of potassium sulfate, sulphur
Sour 3 parts of zinc.
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 spore bacterium, 12 parts of paecilomycerol, 9 parts of gliocladium germ.
The fungi culture medium is in units of parts by weight, including following raw material:160 parts of mung bean sprouts, 400 parts of agar, grape
Sugar 12 parts, 15 parts of peptone, 6 parts of dipotassium hydrogen phosphate, 5 parts of sodium chloride, 3 parts of bitter salt, 3 parts of green vitriol,
600 parts of water;The preparation method of the fungi culture medium is as follows:Mung bean sprouts is cleaned, adds water and boils 28min;With filtered through gauze, filtrate
Glucose, peptone, dipotassium hydrogen phosphate, sodium chloride, bitter salt, seven hydrations are put into after middle addition agar, heating for dissolving
Ferrous sulfate, stirring and dissolving, it is 7.5 to adjust pH value, cooling, packing, sterilizing, and fungi culture medium is made.
The preparation method of the catalyst, comprises the following steps:
(1) particle size is put for 0.18cm zeolite and soaks 1h in deionized water, 10% sulfuric acid is put into after taking-up
0.4h is boiled in heating in solution, then is washed with deionized, until pH is 7.2, 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, with 2 drops/s speed
It is added drop-wise in 12mL absolute ethyl alcohols and is configured to B liquid, solution ph is adjusted to 2.4;It is 450r/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 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 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 0.4% in being dried at 82 DEG C to moisture content, synthetic adsorbent is made.
The bioanalysis for the VOCs that degrades, comprises the following steps:
S1:Waste gas is led into vibrating type high-pressure installation, the vibrating type high-pressure installation carries out ionization process to the waste gas,
Obtain mixed gas A;
S2:The mixed gas A that step S1 is obtained flows through filtering ponds and handled again, obtains mixed gas B;
S3:The mixed gas B that step S2 is obtained flows through bacteria-fungal combined type reaction tank and absorbed, the gaseous mixture
Body B flows through bacteria-fungal combined type reaction tank and carries out absorbing what is be realized in:The mixed gas B flows into the first mobile phase
Room, flows through the first half of the first mobile phase room after the bacterium in the Flowing liquid of the latter half of the first mobile phase room absorbs
The fungi on dividing plate divided absorbs again, then the second mobile phase room is flowed into from baffled outlet, by under the second mobile phase room
Fungi on the dividing plate for the top half that bacterium in the Flowing liquid of half part flows through the second mobile phase room after absorbing inhales again
Receive, with this mixed gas after the bacterium and fungi of four mobile phase rooms absorb, gained mixed gas C goes out from mobile phase room
Gas port is thrown into air.
Comparative example 1
Technique is substantially the same manner as Example 3, has difference only and is:Lack filtering ponds in system, i.e., waste gas is without mistake
Filter the step processing.
Comparative example 2
Technique is substantially the same manner as Example 3, has difference only and is:Only containing synthesis absorption in filtering ponds in system
Agent, catalyst.
Comparative example 3
Technique is substantially the same manner as Example 3, has difference only and is:The filtering material in filtering ponds in system contains work
Property charcoal, catalyst.
Comparative example 4
Technique is substantially the same manner as Example 3, has difference only and is:The filtering material in filtering ponds in system contains work
Property charcoal, synthetic adsorbent.
Comparative example 5
Technique is substantially the same manner as Example 3, has difference only and is:Lack the bacterium pond nutrient solution of mobile phase room in system
And bacterium, i.e. waste gas absorb the step without bacterium and handled.
Comparative example 6
Technique is substantially the same manner as Example 3, has difference only and is:The bacterium of mobile phase room only includes spiral in system
Bacterium, Brevibacillus laterosporus, Acinebobacter lwoffi, production indoles Chryseobacterium sp.
Comparative example 7
Technique is substantially the same manner as Example 3, has difference only and is:The bacterium of mobile phase room only includes eight folded balls in system
Bacterium, Brevibacillus laterosporus, Acinebobacter lwoffi, production indoles Chryseobacterium sp.
Comparative example 8
Technique is substantially the same manner as Example 3, has difference only and is:The bacterium of mobile phase room only includes eight folded balls in system
Bacterium, spirillum, Acinebobacter lwoffi, production indoles Chryseobacterium sp.
Comparative example 9
Technique is substantially the same manner as Example 3, has difference only and is:The bacterium of mobile phase room only includes eight folded balls in system
Bacterium, spirillum, Brevibacillus laterosporus, production indoles Chryseobacterium sp.
Comparative example 10
Technique is substantially the same manner as Example 3, has difference only and is:The bacterium of mobile phase room only includes eight folded balls in system
Bacterium, spirillum, Brevibacillus laterosporus, Acinebobacter lwoffi.
Comparative example 11
Technique is substantially the same manner as Example 3, has difference only and is:Lack adhered on the dividing plate of mobile phase room true in system
Bacterium culture medium and fungi, i.e. waste gas absorb the step processing without fungi.
Comparative example 12
Technique is substantially the same manner as Example 3, has difference only and is:The fungi of mobile phase room only includes Pi Nuoka in system
Salmonella, cladosporium, paecilomycerol, gliocladium germ.
Comparative example 13
Technique is substantially the same manner as Example 3, has difference only and is:The fungi of mobile phase room only includes India's hair in system
Mould, cladosporium, paecilomycerol, gliocladium germ.
Comparative example 14
Technique is substantially the same manner as Example 3, has difference only and is:The fungi of mobile phase room only includes India's hair in system
Mould, skin Nocard's bacillus, paecilomycerol, gliocladium germ.
Comparative example 15
Technique is substantially the same manner as Example 3, has difference only and is:The fungi of mobile phase room only includes India's hair in system
Mould, skin Nocard's bacillus, cladosporium, gliocladium germ.
Comparative example 16
Technique is substantially the same manner as Example 3, has difference only and is:The fungi of mobile phase room only includes India's hair in system
Mould, skin Nocard's bacillus, cladosporium, paecilomycerol.
Embodiment 4
The waste gas containing VOCs is handled using embodiment 1-3, comparative example 1-16 system and processing method.It is described
It is 600ppm that waste gas containing VOCs, which mainly contains VOCs concentration in benzene,toluene,xylene and styrene, air inlet, with processing
VOCs concentration, as a result see the table below in 20s, detection mobile phase room gas outlet.
As seen from table:Using preferable to VOCs treatment effect during method processing waste gas containing VOCs of the invention, degraded effect
Rate is up to more than 99%;Simultaneously containing work in embodiment 3 and comparative example 1-4 degradation efficiency data analysis, filtering ponds
Property charcoal, synthetic adsorbent, catalyst when, synergy is generated between three, promotes degraded VOCs;By embodiment 3 and contrast
Example 5-10 degradation efficiency data analysis understands that the bacterium of mobile phase room is simultaneously including sarcine, spirillum, side spore in system
When bacillus brevis, Acinebobacter lwoffi, production indoles Chryseobacterium sp, synergy is generated between five, promotes degraded VOCs;
The fungi of mobile phase room is simultaneously including India in embodiment 3 and comparative example 11-16 degradation efficiency data analysis, system
When mucor, skin Nocard's bacillus, cladosporium, paecilomycerol, gliocladium germ, synergy is generated between five, promotes degraded
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 (10)
1. a kind of preparation method of synthetic adsorbent, it is characterised in that comprise 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) ratio, 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 slags2Adjust Mg/
(Mn+Si) ratio and Mn/ (Mn+Si) ratio, are made mixture A;
(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.
2. the preparation method of synthetic adsorbent according to claim 1, it is characterised in that:Mg/ (Mn+ described in step (a)
Si ratio) is 0.05-0.09.
3. the preparation method of synthetic adsorbent according to claim 1, it is characterised in that:Mn/ (Mn+ described in step (a)
Si ratio) is 0.187-0.213.
4. the preparation method of synthetic adsorbent according to claim 1, it is characterised in that:MgO is added described in step (b)
Adjust Mg/ (Mn+Si) to 0.83-0.85.
5. the preparation method of synthetic adsorbent according to claim 1, it is characterised in that:SiO is added described in step (b)2
Mn/ (Mn+Si) ratio is adjusted to 0.142-0.148.
6. synthetic adsorbent prepared by a kind of method according to claim any one of 1-5.
7. a kind of synthetic adsorbent according to claim 6 is in degraded VOCs application.
8. synthetic adsorbent according to claim 7 is in degraded VOCs application, it is characterised in that:The synthetic adsorbent
It is used in filtering material, the filtering material includes activated carbon, synthetic adsorbent, catalyst.
9. synthetic adsorbent according to claim 8 is in degraded VOCs application, it is characterised in that:The activated carbon, conjunction
Mass ratio into adsorbent, catalyst is 18-35:2-4:1.
10. synthetic adsorbent according to claim 9 is in degraded VOCs application, it is characterised in that:The catalyst
Preparation 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.
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CN107224988A (en) * | 2017-05-25 | 2017-10-03 | 广西壮族自治区环境保护科学研究院 | A kind of catalyst, preparation method and its application in absorption VOCS |
CN109225127A (en) * | 2018-11-19 | 2019-01-18 | 长沙浩然医疗科技有限公司 | A kind of preparation method of exhaust-gas treatment material |
CN108970573B (en) * | 2018-07-24 | 2022-01-07 | 万华化学集团股份有限公司 | Chemical adsorbent and application and method thereof in purification and co-oxidation method for co-production of tert-butyl alcohol |
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