CN109675520A - A kind of high activity powdered carbon exhaust-gas treatment material and preparation method thereof - Google Patents
A kind of high activity powdered carbon exhaust-gas treatment material and preparation method thereof Download PDFInfo
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- CN109675520A CN109675520A CN201811632176.3A CN201811632176A CN109675520A CN 109675520 A CN109675520 A CN 109675520A CN 201811632176 A CN201811632176 A CN 201811632176A CN 109675520 A CN109675520 A CN 109675520A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- 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
- B01J20/12—Naturally occurring clays or bleaching earth
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- 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
- B01J20/103—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate comprising silica
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- 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
- B01J20/20—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising free carbon; comprising carbon obtained by carbonising processes
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Abstract
The present invention provides a kind of high activity powdered carbon exhaust-gas treatment materials, including following parts by weight material: 51-55 parts of graphene, coconut activated powdered carbon 30-32 parts, 7-10 parts of nano silica, 15-20 parts of polyvinylpyrrolidone, 5-10 parts of diatomite, 10-13 parts of polyvinyl alcohol, kaolin 20-22 parts calcined, 4-7 parts of hydroxymethyl cellulose and 5-9 parts of cordierite.The present invention using graphene, coconut activated powdered carbon and calcined kaolin as raw material, coordinate to absorb the pollutant in exhaust gas by several materials, can enhance absorptivity, effectively absorption poisonous and harmful substances;And preparation method provided by the invention is simple, and it is at low cost, powdered material is mixed and is roasted at high temperature, the carbon dust with high activity is prepared, is suitable for various exhaust gas and adsorbs.
Description
Technical field
The present invention relates to exhaust-gas treatment fields, and in particular to a kind of high activity powdered carbon exhaust-gas treatment material and its preparation side
Method.
Background technique
Exhaust gas refers to the poisonous and hazardous gas that the mankind are discharged in production and life process.Especially chemical plant, steel
The generation of factory, pharmaceutical factory and coking plant and oil plant etc. and the brought life exhaust gas of human lives, the exhaust gas smell of discharge
Greatly, it seriously pollutes environment and influences human health.Many containing pollutant kind in exhaust gas, physics and chemical property are very multiple
Miscellaneous, toxicity is also not quite similar.Contain sulfur dioxide, nitrogen oxides, hydrocarbon etc. in the exhaust gas of fuel combustion discharge;Because of work
Industry production is raw materials used different with technique, and discharges a variety of different pernicious gases and solid waste, contains various components such as weight
Metal, salt, radioactive substance;The tail gas of motor vehicle emission contains the hydrocarbons such as lead, benzene and phenol.Exhaust emission atmospheric environment
It is one of the environmental problem of the most universal most serious in the world.Chinese " Law on Environmental Protection " to the waste gas emission standard of all kinds of factories and miness,
Specific regulation is made.Reprocessing becomes using product again after certain waste gas recoveries.
The industrial waste gas of all kinds of manufacturing enterprise's discharges is the important sources of atmosphere pollution.If big capacity industrial waste gas without
Handle it is up to standard after be discharged into atmosphere, necessarily decline atmosphere quality, bring serious harm to human health, made to national economy
At massive losses.After poisonous and harmful substance can enter human body by respiratory tract and skin in industrial waste gas, long-term low concentration or short
The contact of phase high concentration can cause the systems such as breathing, blood, the liver of human body and the temporary and permanent lesion of organ, especially benzene
And pyrene class polycyclic aromatic hydrocarbon can make the human body directly carcinogenic great attention to cause the mankind.
Industrial waste gas includes organic exhaust gas and inorganic waste gases.Organic exhaust gas mainly includes various hydro carbons, alcohols, aldehydes, acid
Class, ketone and amine etc.;Inorganic waste gases mainly include oxysulfide, nitrogen oxides, oxycarbide, halogen and its compound etc..
China takes pollutant emission control system for atmosphere pollution.
There are several types of (1) physical methods for existing waste gas processing method, proportionally mix two kinds of odorous gases,
To mitigate stench;(2) diffusion method is diluted, spreads foul smell with chimney, or the concentration that can be discharged is diluted to odorless air;
(3) odorant is condensed into liquid and removed by condensation method;(4) water absorption method absorbs exhaust gas with water;(5) absorption method, using work
The adsorbents such as property charcoal, silica gel, atlapulgite absorb exhaust gas;(6) chemical washing method adds NaClO, Cl2Equal oxidants,
By in foul smell organic sulfur and the substances such as organic amine be oxidized to stink compared with the light or higher compound of solubility, then with acid,
Alkali absorption purification;(7) combustion method, burn by exhaust gas at high temperature etc..In the above waste gas processing method, each method
Having advantage, there is also very big defects, can not fully meet the demand of reality.
Summary of the invention
The object of the present invention is to provide a kind of high activity powdered carbon exhaust-gas treatment materials and preparation method thereof, effectively absorption exhaust gas
In pollutant, poisonous and harmful substances, and absorptivity is high.
The present invention solves above-mentioned technical problem using following technical scheme:
A kind of high activity powdered carbon exhaust-gas treatment material, including following parts by weight material: 51-55 parts of graphene, coconut activated
30-32 parts of powdered carbon, 7-10 parts of nano silica, 15-20 parts of polyvinylpyrrolidone, 5-10 parts of diatomite, polyvinyl alcohol 10-
13 parts, kaolin 20-22 parts calcined, 4-7 parts of hydroxymethyl cellulose and 5-9 parts of cordierite.
Further, the calcined kaolinic preparation method/means include: that the kaolin of 100-200 mesh exists
Temperature calcines 3-4h under conditions of being 600-800 DEG C, obtains calcined kaolin.
Further, the graphene is redox graphene.
Further, the degree of polymerization of the polyvinylpyrrolidone is 25000-40000.
Further, including following parts by weight material: 51 parts of graphene, 30 parts of coconut activated powdered carbon, nano silica 7
Part, 15 parts of polyvinylpyrrolidone, 5 parts of diatomite, 10 parts of polyvinyl alcohol, 20 parts of calcined kaolin, hydroxymethyl cellulose
4-7 parts and 5 parts of cordierite.
Further, including following parts by weight material: 53 parts of graphene, 31 parts of coconut activated powdered carbon, nano silica
8.5 parts .5 parts of polyvinylpyrrolidone 17,12.5 parts of diatomite, 11.5 parts of polyvinyl alcohol, 21 parts of calcined kaolin, hydroxyl
5.5 parts and 7 parts of cordierite of methylcellulose.
Further, including following parts by weight material: 55 parts of graphene, 32 parts of coconut activated powdered carbon, nano silica
10 parts, 20 parts of polyvinylpyrrolidone, 10 parts of diatomite, 13 parts of polyvinyl alcohol, 22 parts of calcined kaolin, hydroxylmethyl cellulose
7 parts and 9 parts of cordierite of element.
The preparation method of this composition, mainly comprises the steps that
(1) by graphene, coconut activated powdered carbon, nano silica, polyvinylpyrrolidone, diatomite, calcined
Kaolin, hydroxymethyl cellulose, cordierite are mixed and grind;
(2) polyvinyl alcohol is dissolved in 5-6 times of water, the mixed-powder that step (1) obtains is added, is stirred at room temperature
30min, water removal;
(3) step (2) is obtained into material and roasts 2-3h under the conditions of 400-500 DEG C of temperature, cooling obtains exhaust-gas treatment material
Material.
The present invention has the advantages that
1, using graphene, coconut activated powdered carbon and calcined kaolin as raw material, several materials are coordinated to absorb useless
Pollutant in gas can enhance absorptivity, effectively absorption poisonous and harmful substances;
2, the preparation method of this exhaust-gas treatment material is simple, at low cost, by powdered material mixing and at high temperature
It is roasted, the carbon dust with high activity is prepared, be suitable for various exhaust gas absorption.
Specific embodiment
The present invention will be further described With reference to embodiment, following embodiment be intended to illustrate invention without
It is limitation of the invention further.
The conventional means that technological means used in following embodiment is well known to those skilled in the art, all raw materials are equal
For versatile material.Wherein, the degree of polymerization of polyvinylpyrrolidone is 25000-40000.
Embodiment 1
The present invention provides a kind of high activity powdered carbon exhaust-gas treatment material, including following parts by weight material: 51 parts of graphene,
30 parts of coconut activated powdered carbon, 15 parts of polyvinylpyrrolidone, 5 parts of diatomite, 10 parts of polyvinyl alcohol, is forged at 7 parts of nano silica
4 parts of 20 parts of kaolin, hydroxymethyl cellulose after burning and 5 parts of cordierite;
Wherein, calcined kaolinic preparation method/means include: by the kaolin of 100 mesh temperature be 600 DEG C
Under conditions of calcine 3h, obtain calcined kaolin;
The preparation method of this exhaust-gas treatment material, comprising the following steps:
(1) by graphene, coconut activated powdered carbon, nano silica, polyvinylpyrrolidone, diatomite, calcined
Kaolin, hydroxymethyl cellulose, cordierite are mixed and grind;
(2) polyvinyl alcohol is dissolved in 5 times of water, the mixed-powder that step (1) obtains is added, is stirred at room temperature
30min, water removal;
(3) step (2) is obtained into material and roasts 2h under the conditions of 400 DEG C of temperature, cooling obtains exhaust-gas treatment material.
Embodiment 2
The present invention provides a kind of high activity powdered carbon exhaust-gas treatment material, including following parts by weight material: redox graphite
53 parts of alkene, 31 parts of coconut activated powdered carbon, 8.5 parts of nano silica .5 parts of polyvinylpyrrolidone 17,12.5 parts of diatomite,
11.5 parts of polyvinyl alcohol, 21 parts of calcined kaolin, 5.5 parts of hydroxymethyl cellulose and 7 parts of cordierite;
Wherein, the kaolin of 150 mesh is calcined into 3.5h under conditions of temperature is 700 DEG C, obtains calcined kaolin;
The preparation method of this exhaust-gas treatment material, comprising the following steps:
(1) by redox graphene, coconut activated powdered carbon, nano silica, polyvinylpyrrolidone, diatomite,
Calcined kaolin, hydroxymethyl cellulose, cordierite are mixed and grind;
(2) polyvinyl alcohol is dissolved in 5 times of water, the mixed-powder that step (1) obtains is added, is stirred at room temperature
30min, water removal;
(3) step (2) is obtained into material and roasts 2.5h under the conditions of 450 DEG C of temperature, cooling obtains exhaust-gas treatment material.
Embodiment 3
The present invention provides a kind of high activity powdered carbon exhaust-gas treatment material, including following parts by weight material: 55 parts of graphene,
32 parts of coconut activated powdered carbon, 10 parts of nano silica, 20 parts of polyvinylpyrrolidone, 10 parts of diatomite, 13 parts of polyvinyl alcohol,
22 parts of calcined kaolin, 7 parts of hydroxymethyl cellulose and 9 parts of cordierite;
Wherein, calcined kaolinic preparation method/means include: by the kaolin of 200 mesh temperature be 800 DEG C
Under conditions of calcine 4h, obtain calcined kaolin;
The preparation method of this exhaust-gas treatment material, comprising the following steps:
(1) by graphene, coconut activated powdered carbon, nano silica, polyvinylpyrrolidone, diatomite, calcined
Kaolin, hydroxymethyl cellulose, cordierite are mixed and grind;
(2) polyvinyl alcohol is dissolved in 6 times of water, the mixed-powder that step (1) obtains is added, is stirred at room temperature
30min, water removal;
(3) step (2) is obtained into material and roasts 3h under the conditions of 500 DEG C of temperature, cooling obtains exhaust-gas treatment material.
Comparative example 1
Unlike embodiment, calcined kaolin is not contained in raw material.
Comparative example 2
Unlike embodiment, kaolin is without calcining in raw material.
Finally, it should be noted that above embodiments are only to illustrate the present invention and not limit technology described in the invention
Scheme;Those skilled in the art should understand that still can modify to the present invention or equivalent replacement;And all are not
It is detached from the technical solution and its improvement of the spirit and scope of the present invention, should all be covered within the scope of the claims of the present invention.
Claims (8)
1. a kind of high activity powdered carbon exhaust-gas treatment material, which is characterized in that including following parts by weight material: 51-55 parts of graphene,
Coconut activated powdered carbon 30-32 parts, it is 7-10 parts of nano silica, 15-20 parts of polyvinylpyrrolidone, 5-10 parts of diatomite, poly-
10-13 parts of vinyl alcohol, kaolin 20-22 parts calcined, 4-7 parts of hydroxymethyl cellulose and 5-9 parts of cordierite.
2. exhaust-gas treatment material according to claim 1, which is characterized in that the calcined kaolinic preparation side
Formula/means include: that the kaolin of 100-200 mesh is calcined 3-4h under conditions of temperature is 600-800 DEG C, are obtained calcined
Kaolin.
3. exhaust-gas treatment material according to claim 1, which is characterized in that the graphene is redox graphene.
4. exhaust-gas treatment material according to claim 1, which is characterized in that the degree of polymerization of the polyvinylpyrrolidone is
25000-40000。
5. exhaust-gas treatment material according to claim 1, which is characterized in that including following parts by weight material: graphene 51
Part, 30 parts of coconut activated powdered carbon, 7 parts of nano silica, 15 parts of polyvinylpyrrolidone, 5 parts of diatomite, polyvinyl alcohol 10
Part, 20 parts of calcined kaolin, 4 parts of hydroxymethyl cellulose and 5 parts of cordierite.
6. exhaust-gas treatment material according to claim 1, which is characterized in that including following parts by weight material: graphene 53
Part, 31 parts of coconut activated powdered carbon, 8.5 parts of nano silica .5 parts of polyvinylpyrrolidone 17,12.5 parts of diatomite, poly- second
11.5 parts of enol, 21 parts of calcined kaolin, 5.5 parts of hydroxymethyl cellulose and 7 parts of cordierite.
7. exhaust-gas treatment material according to claim 1, which is characterized in that including following parts by weight material: graphene 55
Part, 32 parts of coconut activated powdered carbon, 10 parts of nano silica, 20 parts of polyvinylpyrrolidone, 10 parts of diatomite, polyvinyl alcohol 13
Part, 22 parts of calcined kaolin, 7 parts of hydroxymethyl cellulose and 9 parts of cordierite.
8. such as the preparation method of the described in any item exhaust-gas treatment materials of claim 1-7, which is characterized in that including following step
It is rapid:
(1) by graphene, coconut activated powdered carbon, nano silica, polyvinylpyrrolidone, diatomite, calcined kaolinite
Soil, hydroxymethyl cellulose, cordierite are mixed and grind;
(2) polyvinyl alcohol is dissolved in 5-6 times of water, the mixed-powder that step (1) obtains is added, is stirred at room temperature
30min, water removal;
(3) step (2) is obtained into material and roasts 2-3h under the conditions of 400-500 DEG C of temperature, cooling obtains exhaust-gas treatment material.
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Cited By (1)
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