CN110237803A - A kind of environment-friendly garbage deodorant and preparation method thereof - Google Patents

A kind of environment-friendly garbage deodorant and preparation method thereof Download PDF

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Publication number
CN110237803A
CN110237803A CN201910524907.0A CN201910524907A CN110237803A CN 110237803 A CN110237803 A CN 110237803A CN 201910524907 A CN201910524907 A CN 201910524907A CN 110237803 A CN110237803 A CN 110237803A
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China
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parts
environment
mixing
inorganic
garbage deodorant
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CN201910524907.0A
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Chinese (zh)
Inventor
李晓静
谢昊
刘国华
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Nanjing Yongneng Materials Co Ltd
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Nanjing Yongneng Materials Co Ltd
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Priority to CN201910524907.0A priority Critical patent/CN110237803A/en
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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
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/86—Catalytic processes
    • 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
    • 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
    • B01J20/28—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
    • B01J20/28054—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their surface properties or porosity
    • 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
    • B01J20/28—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
    • B01J20/28054—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their surface properties or porosity
    • B01J20/28057—Surface area, e.g. B.E.T specific surface area
    • 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
    • B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
    • B01J21/06—Silicon, titanium, zirconium or hafnium; Oxides or hydroxides thereof
    • B01J21/08—Silica
    • 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
    • B01J35/00—Catalysts, in general, characterised by their form or physical properties
    • B01J35/002—Catalysts characterised by their physical properties
    • B01J35/004—Photocatalysts
    • 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
    • B01J35/00—Catalysts, in general, characterised by their form or physical properties
    • B01J35/02—Solids
    • B01J35/10—Solids characterised by their surface properties or porosity
    • 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
    • B01J35/00—Catalysts, in general, characterised by their form or physical properties
    • B01J35/02—Solids
    • B01J35/10—Solids characterised by their surface properties or porosity
    • B01J35/1004—Surface area
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/80—Type of catalytic reaction
    • B01D2255/802—Photocatalytic
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/90—Odorous compounds not provided for in groups B01D2257/00 - B01D2257/708
    • 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

Abstract

The invention discloses a kind of environment-friendly garbage deodorant and preparation method thereof, raw material includes that flyash, aluminium scrap ash and magnesium slag, the method for adding pore creating material and carried titanium dioxide (P25) prepare inorganic non-metallic porous photocatalytic material.Deodorant provided by the invention has the characteristics that density is low, the porosity is high, large specific surface area, with good suction-operated, the stink that can effectively remove rubbish in landfill yard, simple process, it is low in cost, certain contribution especially is made to the utilization of large Industrial Solid Waste low cost, high added value, brings certain social benefit to solve the environmental pollution of waste, has achieved the purpose that waste recycling.

Description

A kind of environment-friendly garbage deodorant and preparation method thereof
Technical field
The invention belongs to industrial solid wastes field of comprehensive utilization, it is related to a kind of environment-friendly garbage deodorant and its preparation side Method.
Background technique
China is a resource big country, but resource circulation utilization rate is not high for a long time, especially typical large work Industry solid waste mostly utilizes state also in the low values such as backfill of building the road.The solid waste of Partial Species is during storage also to big gas and water Resource causes certain pollution, not only causes environmental pollution, but also causes the waste of resource.
Flyash is the general designation of exhaust gas dust and furnace low ash slag after coal burning, and total utilization of PCA rate is at 60 parts at present Left and right has added up 2,000,000,000 tons of stockpiling.Currently, the utilization of China's flyash is main to concentrate the field of building materials, high value added utilization The amount of flyash is also very low, so the recycling of flyash has become a very difficult task.
Magnesium slag is the waste residue generated when smelting magnesium, the waste residue that aluminium ash generates when being electrolytic aluminium.Currently, especially having due to there is no The method of effect can be handled directly or using magnesium slag (aluminium ash), therefore generally filled for the processing method of magnesium slag (aluminium ash) Or it directly abandons；And the processing mode for filling magnesium slag (aluminium ash) do not only take up a large amount of soil, environment is caused it is irreversible Destruction and pollution, so being a problem worth thinking deeply about to the high value added utilization of magnesium slag (aluminium ash).
The rubbish used in landfill yard goes out deodorant there are adsorbances and is low, at high cost at present, odor removal efficient difference this lack Point.
Summary of the invention
Purpose: to solve the deficiencies in the prior art, the present invention provides a kind of environment-friendly garbage deodorant and preparation method thereof, The property of Industrial Solid Waste is made full use of, the stink for the refuse landfill that effectively can adsorb and degrade, and resource is made full use of, have There is the function of certain economic benefit and protection environment.
A kind of environment-friendly garbage deodorant, it is characterised in that: the garbage deodorant raw material are as follows: 100 parts of mixing, cosolvent 10~30 parts, 0.5~2 part of pore creating material, 10~30 parts of titanium dioxide (P25)；The mixing is by flyash, aluminium ash, magnesium slag The two or three kinds of mixing compositions, number is mass fraction；
The preparation method comprises the following steps:
1) mixing: flyash, aluminium ash, magnesium slag are put into planetary ball mill and are ground, is expected: ball: water=1:1:1 mixing 8~ 12h, it is dry at 100 DEG C, dried mixing is crossed to the sieve of 200 mesh, obtains mixing；
2) preparation of inorganic non-metallic porous material: weighing the mixing of 100 parts by weight, and 10~30 parts of cosolvent, pore creating material 0.5~2 part, the polyvinyl alcohol water solution that a certain amount of concentration is 5% is added, stirring is dried after a certain period of time, obtains the inorganic of drying Non-metal porous material；
3) it is burnt into: above-mentioned inorganic non-metallic porous material is put into Muffle furnace, first heated up with the rate of 3~5 DEG C/min To 400 DEG C, 20min is kept the temperature；Then 700 DEG C are continuously heating to the speed of 9 DEG C/min, keep the temperature 1h, then with the speed of 15 DEG C/min Degree be warming up to 800 DEG C~900 DEG C, keep the temperature 30min at this temperature, after be cooled to room temperature, the inorganic non-metallic that must be burnt into is more Porous materials；
4) preparation of inorganic non-metallic porous photocatalytic material: according to formula rate, by a certain amount of titanium dioxide (P25) It is stirred evenly in methanol solution with a certain amount of inorganic non-metallic porous material being burnt into, it is dry in 100 DEG C of baking ovens, so Afterwards 400 DEG C~600 DEG C Muffle furnaces calcine to obtain inorganic non-metallic porous photocatalytic material to get.
Further, the environment-friendly garbage deodorant, it is characterised in that: the composition of the mixing are as follows: SiO2Content 30%~50%, Al2O3Content 10%~35%, CaO content 15%~50%, content of MgO 5%~15%, Fe2O3Content is 3%~10%.
Preferably, the environment-friendly garbage deodorant, which is characterized in that the fluxing agent is borax.
Further, the granularity of the cosolvent is 300~400 mesh.
Preferably, the environment-friendly garbage deodorant, which is characterized in that the pore creating material be calcium carbonate, One of calcium oxide, calcium sulfate, manganese dioxide, carbon dust are several.
Further, the granularity of the hole agent is 300~400 mesh.
Preferably, the environment-friendly garbage deodorant, which is characterized in that the polyethylene that the concentration is 5% The additional amount of alcohol solution is the 3-5% of mixing quality.
Preferably, the environment-friendly garbage deodorant, which is characterized in that the garbage deodorant raw material are as follows: Mixing is made of 30 parts of flyash, 50 parts, 20 parts of magnesium slag of aluminium ash, and 10 parts of borax, 1 part of calcium carbonate, 10 parts of titanium dioxide (P25).
The utility model has the advantages that environment-friendly garbage deodorant provided by the invention and preparation method thereof, the low, porosity with density The features such as high, large specific surface area, there is good suction-operated, the stink in the landfill yard that can effectively remove rubbish, simple process, It is low in cost, certain contribution especially is made to the utilization of large Industrial Solid Waste low cost, high added value, to solve waste Environmental pollution brings certain social benefit, has achieved the purpose that waste recycling.Not only simple process, good deodorization effect, and It efficiently solves the problems, such as that Industrial Solid Waste comprehensive utilization ratio is low, pollutes the volume of environment, and greatly reduces garbage deodorant Production cost, and load TiO2, so that deodorization is more thorough, there is good social benefit, economic benefit profitable on ecology.
Specific embodiment
Illustrate below with reference to example to the present invention: percentage is mass percent in the present invention.
In following embodiment, certain power plant of flyash from Ningxia locality, aluminium ash is from certain local electrolytic aluminium factory, magnesium Slag is from certain local magnesium factory.Its chemical component is shown in Table 1, table 2, table 3.
The chemical composition (wt%) of 1 magnesium slag of table
Project CaO SiO2 Fe2O3 MgO
Magnesium slag 49% 39.6% 5.1% 8%
The chemical composition (wt%) of 2 flyash of table
Project CaO SiO2 Fe2O3 MgO
Flyash 7.5% 45% 6% 1.23%
The chemical composition (wt%) of table 3 aluminium ash
Project CaO SiO2 Fe2O3 MgO Al2O3 TiO2
Aluminium ash 3.43% 12% 8% 2.34% 30% 2.5%
Embodiment 1
This embodiment offers a kind of a kind of method of garbage deodorant for preparing environment-friendly type using Industrial Solid Waste as raw material, The following steps are included:
1) 30 parts of flyash, 30 parts of aluminium ashes, 40 parts of magnesium slags are put into planetary ball mill and grind 10h, expected: ball: water=1: 1:1。
2) above-mentioned sample mixing is 5 hours dry in 100 DEG C of baking oven, the sieve of rear 200 mesh of mistake is spare.
3) the above-mentioned mixing for weighing 100 parts of weight, is added 10 parts of boraxs, 1 part of calcium carbonate, and 3 part 5% of polyvinyl alcohol is water-soluble Liquid is dried after stirring 1h.
4) drying sample is put into Muffle furnace, is first warming up to 400 DEG C with the rate of 4 DEG C/min, keep the temperature 20min；Then with 9 DEG C/speed of min is continuously heating to 700 DEG C, 1h is kept the temperature, then be warming up to 850 DEG C with the speed of 15 DEG C/min, protected at this temperature Warm 30min, after be cooled to room temperature.
5) by 10 parts of titanium dioxide (P25) and 100 parts of inorganic non-metallic porous materials prepared in methanol solution It stirs evenly, it is dry in 100 DEG C of baking ovens, then calcine to obtain inorganic non-metallic porous photocatalytic material in 450 DEG C of Muffle furnaces.
Embodiment 2
This embodiment offers a kind of a kind of method of garbage deodorant for preparing environment-friendly type using Industrial Solid Waste as raw material, For packet step with embodiment 1, difference is only that the amount for changing flyash, magnesium slag, aluminium ash, calcium carbonate and titanium dioxide (P25), other Technology condition is constant, photocatalytic degradation H2The test method of S: inorganic for testing with glass tube (diameter 70mmx600mm) Glass tube is divided into two parts up and down with glass plate at the middle part of glass tube by the photocatalytic activity of non-metal optical catalysis material, on Style is put in portion, is passed through mixed gas；Lower seal.Illumination is carried out in xenon lamp (300Wm2) simulated solar irradiation, according to input gas With the H in output gas2The concentration calculation of S can obtain photocatalysis efficiency, see the table below:
As seen from the above table, the inorganic non-metallic catalysis material of preparation has certain photocatalytic activity, and embodiment 10: when Flyash is 30 parts, magnesium slag is 20 parts, and aluminium ash is 50 parts, and calcium carbonate is 1 part, when titanium dioxide (P25) is 10 parts, light degradation effect Rate is best, and contains a small amount of TiO in aluminium ash2Photocatalytic activity is considerably increased.
Deodorization Experiment
Using the embodiment of the present invention 1-10 as deodorant, the rubbish of refuse landfill is uniformly dispersed in 4% input amount On, the rubbish in same place is divided into several parts, and same day 12:00 puts into inorganic non-metallic catalysis material on rubbish, on the day of not With time point using the content (mg/m of hydrogen sulfide analyzer detection terminal hydrogen sulfide3) test result is as described in table:
Learn that inorganic non-metallic photocatalysis deodoring materials of the invention can significantly remove garbage loading embeading from above-mentioned test result The stink of field illustrates that this deodorant of preparation has certain economic adaptive.
The present invention is disclosed with preferred embodiment above, so it is not intended to limiting the invention, all to use equivalent replacement Or equivalent transformation mode technical solution obtained, it is within the scope of the present invention.

Claims (8)

1. a kind of environment-friendly garbage deodorant, it is characterised in that: the garbage deodorant raw material are as follows: 100 parts of mixing, cosolvent 10 ~ 30 parts, 0.5 ~ 2 part of pore creating material, 10 ~ 30 parts of titanium dioxide (P25)；The mixing by flyash, aluminium ash, the two in magnesium slag or Three kinds of mixing compositions, number is mass fraction；
The preparation method comprises the following steps:
1) mixing: flyash, aluminium ash, magnesium slag are put into planetary ball mill and are ground, is expected: ball: water=1:1:1 mixes 8 ~ 12h, It is dry at 100 DEG C, dried mixing is crossed to the sieve of 200 mesh, obtains mixing；
2) preparation of inorganic non-metallic porous material: weighing the mixing of 100 parts by weight, and 10 ~ 30 parts of cosolvent, pore creating material 0.5 ~ 2 Part, the polyvinyl alcohol water solution that a certain amount of concentration is 5% is added, stirring is dried after a certain period of time, and the inorganic non-metallic for obtaining drying is more Porous materials；
3) it is burnt into: above-mentioned inorganic non-metallic porous material is put into Muffle furnace, be first warming up to 400 with the rate of 3 ~ 5 DEG C/min DEG C, keep the temperature 20min；Then 700 DEG C are continuously heating to the speed of 9 DEG C/min, keep the temperature 1h, then heat up with the speed of 15 DEG C/min To 800 DEG C ~ 900 DEG C, keep the temperature 30min at this temperature, after be cooled to room temperature, the inorganic non-metallic porous material that must be burnt into；
4) preparation of inorganic non-metallic porous photocatalytic material: according to formula rate, by a certain amount of titanium dioxide (P25) and one The quantitative inorganic non-metallic porous material being burnt into stirs evenly in methanol solution, dry in 100 DEG C of baking ovens, then exists 400 DEG C ~ 600 DEG C Muffle furnaces calcine to obtain inorganic non-metallic porous photocatalytic material to get.
2. environment-friendly garbage deodorant according to claim 1, it is characterised in that: the composition of the mixing are as follows: SiO2Content 30% ~ 50%, Al2O3Content 10% ~ 35%, CaO content 15% ~ 50%, content of MgO 5% ~ 15%, Fe2O3Content is 3% ~ 10%.
3. environment-friendly garbage deodorant according to claim 1, which is characterized in that the fluxing agent is borax.
4. environment-friendly garbage deodorant according to claim 1, which is characterized in that the granularity of the cosolvent be 300 ~ 400 mesh.
5. environment-friendly garbage deodorant according to claim 1, which is characterized in that the pore creating material is calcium carbonate, oxygen Change one of calcium, calcium sulfate, manganese dioxide, carbon dust or several.
6. environment-friendly garbage deodorant according to claim 1, which is characterized in that the granularity of the hole agent is 300 ~ 400 Mesh.
7. environment-friendly garbage deodorant according to claim 1, which is characterized in that the polyvinyl alcohol water that the concentration is 5% The additional amount of solution is the 3-5% of mixing quality.
8. environment-friendly garbage deodorant according to claim 1, which is characterized in that the garbage deodorant raw material are as follows: mixed Material is made of 30 parts of flyash, 50 parts, 20 parts of magnesium slag of aluminium ash, and 10 parts of borax, 1 part of calcium carbonate, 10 parts of titanium dioxide (P25).
CN201910524907.0A 2019-06-18 2019-06-18 A kind of environment-friendly garbage deodorant and preparation method thereof Pending CN110237803A (en)

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CN102731138A (en) * 2012-07-17 2012-10-17 湖南亿泰环保科技股份有限公司 Fly ash based high-strength and high-porosity foamed ceramic and preparation method thereof
CN106955684A (en) * 2017-04-05 2017-07-18 许允方 A kind of preparation method of photocatalysis ceramic monolith
KR20180118985A (en) * 2017-04-24 2018-11-01 주식회사 에코비젼 Method for improving the performance of deodorizing technology for ceramic carrier
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