CN111729668A - Catalyst for air purifier - Google Patents
Catalyst for air purifier Download PDFInfo
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- CN111729668A CN111729668A CN201910228190.5A CN201910228190A CN111729668A CN 111729668 A CN111729668 A CN 111729668A CN 201910228190 A CN201910228190 A CN 201910228190A CN 111729668 A CN111729668 A CN 111729668A
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- silver
- titanium dioxide
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- 239000003054 catalyst Substances 0.000 title claims abstract description 31
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims abstract description 62
- 229910052697 platinum Inorganic materials 0.000 claims abstract description 31
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 18
- 229910052751 metal Inorganic materials 0.000 claims abstract description 16
- 239000002184 metal Substances 0.000 claims abstract description 16
- 229910001415 sodium ion Inorganic materials 0.000 claims abstract description 10
- 239000004408 titanium dioxide Substances 0.000 claims abstract description 9
- 229910052709 silver Inorganic materials 0.000 claims abstract description 6
- 239000004332 silver Substances 0.000 claims abstract description 6
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 21
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 18
- SQGYOTSLMSWVJD-UHFFFAOYSA-N silver(1+) nitrate Chemical compound [Ag+].[O-]N(=O)=O SQGYOTSLMSWVJD-UHFFFAOYSA-N 0.000 claims description 18
- SOQBVABWOPYFQZ-UHFFFAOYSA-N oxygen(2-);titanium(4+) Chemical compound [O-2].[O-2].[Ti+4] SOQBVABWOPYFQZ-UHFFFAOYSA-N 0.000 claims description 17
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 12
- 229910052739 hydrogen Inorganic materials 0.000 claims description 12
- 239000001257 hydrogen Substances 0.000 claims description 12
- 239000000203 mixture Substances 0.000 claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- 238000002360 preparation method Methods 0.000 claims description 10
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims description 9
- 235000011114 ammonium hydroxide Nutrition 0.000 claims description 9
- 238000006243 chemical reaction Methods 0.000 claims description 9
- 239000008367 deionised water Substances 0.000 claims description 9
- 229910021641 deionized water Inorganic materials 0.000 claims description 9
- 150000004985 diamines Chemical class 0.000 claims description 9
- 238000001035 drying Methods 0.000 claims description 9
- 239000002245 particle Substances 0.000 claims description 9
- 229910001961 silver nitrate Inorganic materials 0.000 claims description 9
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 9
- 239000000126 substance Substances 0.000 claims description 8
- 238000000197 pyrolysis Methods 0.000 claims description 6
- 238000006479 redox reaction Methods 0.000 claims description 6
- 238000006722 reduction reaction Methods 0.000 claims description 6
- NDVLTYZPCACLMA-UHFFFAOYSA-N silver oxide Chemical compound [O-2].[Ag+].[Ag+] NDVLTYZPCACLMA-UHFFFAOYSA-N 0.000 claims description 6
- 238000000354 decomposition reaction Methods 0.000 claims description 5
- 239000000919 ceramic Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 239000007788 liquid Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 3
- MUMZUERVLWJKNR-UHFFFAOYSA-N oxoplatinum Chemical compound [Pt]=O MUMZUERVLWJKNR-UHFFFAOYSA-N 0.000 claims description 3
- 239000008188 pellet Substances 0.000 claims description 3
- 239000002985 plastic film Substances 0.000 claims description 3
- 229910003446 platinum oxide Inorganic materials 0.000 claims description 3
- 229910001923 silver oxide Inorganic materials 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims 1
- 238000004887 air purification Methods 0.000 abstract description 6
- 238000003421 catalytic decomposition reaction Methods 0.000 abstract description 6
- 241000282414 Homo sapiens Species 0.000 abstract description 5
- 238000006555 catalytic reaction Methods 0.000 abstract description 3
- 230000009323 psychological health Effects 0.000 abstract description 2
- 238000000746 purification Methods 0.000 abstract description 2
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 33
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 15
- 239000012855 volatile organic compound Substances 0.000 description 11
- 241000233866 Fungi Species 0.000 description 8
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 7
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 6
- 241000894006 Bacteria Species 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000001179 sorption measurement Methods 0.000 description 4
- 239000001569 carbon dioxide Substances 0.000 description 3
- 229910002092 carbon dioxide Inorganic materials 0.000 description 3
- VUZPPFZMUPKLLV-UHFFFAOYSA-N methane;hydrate Chemical compound C.O VUZPPFZMUPKLLV-UHFFFAOYSA-N 0.000 description 3
- 230000001954 sterilising effect Effects 0.000 description 3
- 238000004659 sterilization and disinfection Methods 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910021536 Zeolite Inorganic materials 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- -1 diatom Chemical compound 0.000 description 1
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001699 photocatalysis Effects 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000010457 zeolite Substances 0.000 description 1
Classifications
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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
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
- B01J23/54—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
- B01J23/66—Silver or gold
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L9/00—Disinfection, sterilisation or deodorisation of air
-
- 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
- B01D53/8668—Removing organic compounds not provided for in B01D53/8603 - B01D53/8665
-
- 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
- B01D53/8678—Removing components of undefined structure
- B01D53/8687—Organic components
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/10—Noble metals or compounds thereof
- B01D2255/102—Platinum group metals
- B01D2255/1021—Platinum
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/10—Noble metals or compounds thereof
- B01D2255/104—Silver
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/20—Metals or compounds thereof
- B01D2255/202—Alkali metals
- B01D2255/2027—Sodium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/20—Metals or compounds thereof
- B01D2255/207—Transition metals
- B01D2255/20707—Titanium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/70—Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
- B01D2257/702—Hydrocarbons
- B01D2257/7027—Aromatic hydrocarbons
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/70—Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
- B01D2257/708—Volatile organic compounds V.O.C.'s
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/91—Bacteria; Microorganisms
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Biomedical Technology (AREA)
- Epidemiology (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
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- Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
Abstract
The invention belongs to the technical field of air purification, and particularly relates to a catalyst for an air purifier. Comprises sharp state nanometer titanium dioxide molecules as a carrier, and nanometer silver, nanometer platinum and metal sodium ions as a chain combination body of the titanium dioxide molecules. The invention has the advantages of multiple-effect catalytic decomposition function, long-acting continuous catalysis, high purification efficiency, multiple purposes and the like, can be widely applied to an air purification system, and has very important significance for improving the air environment and the physical and psychological health of human beings.
Description
Technical Field
The invention belongs to the technical field of air purification, and particularly relates to a catalyst for an air purifier.
Background
With the increasing increase of environmental pollution, especially the quality of the breathing air closely related to human beings is worse and worse, the harmful substances such as formaldehyde, benzene, VOC, bacteria, fungi and the like contained in the air cause serious harm to human bodies, and bring great harm to human health. Therefore, solving the air pollution problem is a great concern.
At present, the air purifier commonly used in the market mainly adopts the mode of adsorption such as active carbon, diatom, zeolite, and its short time has certain adsorption effect, but long-time adsorption can cause the adsorption material saturation, when ambient temperature is high, still can carry out the secondary and release the pollution.
The photocatalytic formaldehyde decomposition technology is the most used air purification technology, and can play a catalytic decomposition role only by catalysis of ultraviolet light, so that the long-term continuous catalytic formaldehyde decomposition effect cannot be achieved. But hardly has catalytic decomposition effect on benzene, VOC and fungi.
Disclosure of Invention
The invention provides a catalyst for decomposing formaldehyde, benzene, VOC and fungi in air, aiming at solving the problem of poor air purification effect in the prior art, the catalyst can convert the formaldehyde, the benzene and the VOC into carbon dioxide and water, the conversion efficiency of the formaldehyde is over 95 percent, the conversion efficiency of the benzene and the VOC is over 80 percent, the sterilization rate of the bacteria and the fungi is over 95 percent, and the air is not required to be irradiated and heated by an ultraviolet light source.
The invention provides a catalyst for an air purifier, which comprises sharp-state nano titanium dioxide molecules as a carrier, and nano silver, nano platinum and metal sodium ions as a chain combination body of the titanium dioxide molecules.
The sharp-state nano titanium dioxide is used as a carrier, and the particle size of the sharp-state nano titanium dioxide is 25 nm.
The nano silver is a nano metal silver simple substance, and the particle size of the nano silver is 10 nm.
The nano platinum is a nano metal platinum simple substance, and the particle size of the nano platinum is 10 nm.
The preparation method of the nano-silver comprises the steps of carrying out gas-liquid two-phase reaction on silver nitrate solution and ammonia water, carrying out pyrolysis on the reacted solution to obtain silver oxide, and finally carrying out hydrogen redox reaction to obtain the nano-silver.
The preparation method of the nano platinum comprises the steps of carrying out pyrolysis on dinitroso diamine platinum to obtain platinum oxide, and finally carrying out hydrogen redox reaction to obtain the nano platinum.
The metal sodium ions are obtained by a mixture of sodium carbonate and deionized water.
15% of acute-state nano titanium dioxide, 1-3% of dinitroso diamine platinum, 1-3% of silver nitrate, 1-3% of ammonia water, 10% of sodium carbonate and 72% of deionized water.
The second purpose of the invention is to provide a preparation method of the catalyst for the air purifier, which comprises the following specific preparation steps:
the method comprises the following steps: uniformly mixing 15% of sharp-state nano titanium dioxide, 1-3% of dinitroso diamine platinum, 1-3% of silver nitrate, 1-3% of ammonia water, 10% of sodium carbonate and 72% of deionized water, fully and uniformly stirring by a stirrer, and standing for 30 minutes;
step two: placing the mixture reacted in the step one in a drying oven at 100 ℃ for drying treatment to obtain a flaky mixture with the thickness of 1 mm;
step three: putting the blocks into a drying oven at 400 ℃ for decomposition reaction;
step four: carrying out hydrogen reduction reaction on the sheet mixture decomposed in the third step in a hydrogen reduction reaction furnace at the temperature of 200 ℃ to obtain a sheet catalyst which takes sharp-state nano titanium dioxide molecules as a carrier and takes nano silver, nano platinum and metal sodium ions as a chain complex of the titanium dioxide molecules;
step five: the catalyst pellets are milled into a powdered catalyst.
The powdered catalyst is sprayed onto a carrier.
The carrier is a honeycomb ceramic sheet, a grid type plastic sheet, a filter material surface and an air duct surface, has a catalytic decomposition function on formaldehyde, benzene, VOC and fungi in the air passing through the surface of the carrier, can convert the formaldehyde, the benzene and the VOC into carbon dioxide and water, has the conversion efficiency of the formaldehyde of more than 95 percent in a long time, has the conversion efficiency of the benzene and the VOC of more than 80 percent, has the sterilization rate of the bacteria and the fungi of more than 95 percent, and does not need to irradiate and heat the air by an ultraviolet light source.
The invention has the beneficial effects that:
the invention has the advantages of multiple-effect catalytic decomposition function, long-acting continuous catalysis, high purification efficiency, multiple purposes and the like, can be widely applied to an air purification system, and has very important significance for improving the air environment and the physical and psychological health of human beings.
Detailed Description
The present invention will be further described with reference to the following embodiments.
Example 1:
a catalyst for air purifier is composed of the sharp-state nano titanium dioxide molecule as carrier, and the nano silver, nano platinum and metallic sodium ions as the chain body of titanium dioxide molecule.
The sharp-state nano titanium dioxide is used as a carrier, and the particle size of the sharp-state nano titanium dioxide is 25 nm.
The nano silver is a nano metal silver simple substance, and the particle size of the nano metal silver simple substance is 10 nm.
The nano platinum is a nano metal platinum simple substance, and the particle size of the nano platinum is 10 nm.
The preparation method of the nano-silver comprises the steps of carrying out gas-liquid two-phase reaction on silver nitrate solution and ammonia water, carrying out pyrolysis on the reacted solution to obtain silver oxide, and finally carrying out hydrogen redox reaction to obtain the nano-silver.
The preparation method of the nano platinum comprises the steps of carrying out pyrolysis on dinitroso diamine platinum to obtain platinum oxide, and finally carrying out hydrogen redox reaction to obtain the nano platinum.
The metal sodium ions are obtained by a mixture of sodium carbonate and deionized water.
The invention relates to acute-state nano titanium dioxide 15%, dinitroso diamine platinum 1-3%, silver nitrate 1-3%, ammonia water 1-3%, sodium carbonate 10% and deionized water 72%.
Example 2:
a preparation method of a catalyst for an air purifier comprises the following specific preparation steps:
the method comprises the following steps: uniformly mixing 15% of sharp-state nano titanium dioxide, 1-3% of dinitroso diamine platinum, 1-3% of silver nitrate, 1-3% of ammonia water, 10% of sodium carbonate and 72% of deionized water, fully and uniformly stirring by a stirrer, and standing for 30 minutes;
step two: placing the mixture reacted in the step one in a drying oven at 100 ℃ for drying treatment to obtain a flaky mixture with the thickness of 1 mm;
step three: putting the blocks into a drying oven at 400 ℃ for decomposition reaction;
step four: carrying out hydrogen reduction reaction on the sheet mixture decomposed in the third step in a hydrogen reduction reaction furnace at the temperature of 200 ℃ to obtain a sheet catalyst which takes sharp-state nano titanium dioxide molecules as a carrier and takes nano silver, nano platinum and metal sodium ions as a chain complex of the titanium dioxide molecules;
step five: the catalyst pellets are milled into a powdered catalyst.
The powdered catalyst is sprayed onto a support, for example: the honeycomb ceramic sheet, the grid type plastic sheet, the filter material surface and the air duct surface have a catalytic decomposition function on formaldehyde, benzene, VOC and fungi in the air passing through the surfaces of the honeycomb ceramic sheet, can convert the formaldehyde, the benzene and the VOC into carbon dioxide and water, have the conversion efficiency of the formaldehyde of more than 95 percent and the conversion efficiency of the benzene and the VOC of more than 80 percent in a long time, have the sterilization rate of the bacteria and the fungi of more than 95 percent, and do not need to irradiate and heat the air by an ultraviolet light source.
The above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and those skilled in the art may make variations, modifications, additions and substitutions within the spirit and scope of the present invention.
Claims (9)
1. A catalyst for an air purifier, characterized by: comprises sharp state nanometer titanium dioxide molecules as a carrier, and nanometer silver, nanometer platinum and metal sodium ions as a chain combination body of the titanium dioxide molecules.
2. A catalyst for an air cleaner according to claim 1, wherein: the sharp-state nano titanium dioxide is used as a carrier, and the particle size of the sharp-state nano titanium dioxide is 25 nm.
3. A catalyst for an air cleaner according to claim 1, wherein: the nano silver is a nano metal silver simple substance, and the particle size of the nano silver is 10 nm.
4. A catalyst for an air cleaner according to claim 1, wherein: the nano platinum is a nano metal platinum simple substance, and the particle size of the nano platinum is 10 nm.
5. A catalyst for an air cleaner according to claim 1, wherein: the preparation method of the nano-silver comprises the steps of carrying out gas-liquid two-phase reaction by adopting silver nitrate solution and ammonia water, carrying out pyrolysis on the reacted solution to obtain silver oxide, and finally carrying out hydrogen redox reaction to obtain the nano-silver; the preparation method of the nano platinum comprises the steps of carrying out pyrolysis on dinitroso diamine platinum to obtain platinum oxide, and finally carrying out hydrogen redox reaction to obtain the nano platinum; the metal sodium ions are obtained by a mixture of sodium carbonate and deionized water.
6. The catalyst for an air cleaner as recited in claim 5, wherein: 15% of acute-state nano titanium dioxide, 1-3% of dinitroso diamine platinum, 1-3% of silver nitrate, 1-3% of ammonia water, 10% of sodium carbonate and 72% of deionized water.
7. The catalyst for an air cleaner as recited in claim 6, wherein: the specific manufacturing steps are as follows:
the method comprises the following steps: uniformly mixing 15% of sharp-state nano titanium dioxide, 1-3% of dinitroso diamine platinum, 1-3% of silver nitrate, 1-3% of ammonia water, 10% of sodium carbonate and 72% of deionized water, fully and uniformly stirring by a stirrer, and standing for 30 minutes;
step two: placing the mixture reacted in the step one in a drying oven at 100 ℃ for drying treatment to obtain a flaky mixture with the thickness of 1 mm;
step three: putting the blocks into a drying oven at 400 ℃ for decomposition reaction;
step four: carrying out hydrogen reduction reaction on the sheet mixture decomposed in the third step in a hydrogen reduction reaction furnace at the temperature of 200 ℃ to obtain a sheet catalyst which takes sharp-state nano titanium dioxide molecules as a carrier and takes nano silver, nano platinum and metal sodium ions as a chain complex of the titanium dioxide molecules;
step five: the catalyst pellets are milled into a powdered catalyst.
8. The catalyst for an air cleaner as recited in claim 7, wherein: the powdered catalyst is sprayed onto a carrier.
9. The catalyst for an air cleaner as recited in claim 8, wherein: the carrier is a honeycomb ceramic sheet, a grid type plastic sheet, a filter material surface and an air duct surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910228190.5A CN111729668A (en) | 2019-03-25 | 2019-03-25 | Catalyst for air purifier |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910228190.5A CN111729668A (en) | 2019-03-25 | 2019-03-25 | Catalyst for air purifier |
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| CN111729668A true CN111729668A (en) | 2020-10-02 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102139234A (en) * | 2011-01-06 | 2011-08-03 | 梁耀彰 | Loaded reduced precious metal catalyst as well as preparation method and application thereof |
| CN103357409A (en) * | 2012-03-29 | 2013-10-23 | 杜彬 | Room-temperature catalytic oxidizing agent of formaldehyde employing composite noble metal alloy, and preparation method thereof |
| CN103402627A (en) * | 2011-03-04 | 2013-11-20 | 优美科触媒日本有限公司 | Catalyst for exhaust gas purification, method for producing same, and exhaust gas purification method using same |
| US20160107114A1 (en) * | 2014-06-19 | 2016-04-21 | Corning Incorporated | Honeycomb air filter and methods thereof |
| CN107398272A (en) * | 2017-08-09 | 2017-11-28 | 西安凯立新材料股份有限公司 | A kind of formaldehyde room temperature catalysis composite carried catalyst and preparation method thereof |
-
2019
- 2019-03-25 CN CN201910228190.5A patent/CN111729668A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102139234A (en) * | 2011-01-06 | 2011-08-03 | 梁耀彰 | Loaded reduced precious metal catalyst as well as preparation method and application thereof |
| CN103402627A (en) * | 2011-03-04 | 2013-11-20 | 优美科触媒日本有限公司 | Catalyst for exhaust gas purification, method for producing same, and exhaust gas purification method using same |
| CN103357409A (en) * | 2012-03-29 | 2013-10-23 | 杜彬 | Room-temperature catalytic oxidizing agent of formaldehyde employing composite noble metal alloy, and preparation method thereof |
| US20160107114A1 (en) * | 2014-06-19 | 2016-04-21 | Corning Incorporated | Honeycomb air filter and methods thereof |
| CN107398272A (en) * | 2017-08-09 | 2017-11-28 | 西安凯立新材料股份有限公司 | A kind of formaldehyde room temperature catalysis composite carried catalyst and preparation method thereof |
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Application publication date: 20201002 |