CN105709721A - Air purifying agent and preparation method and application thereof - Google Patents
Air purifying agent and preparation method and application thereof Download PDFInfo
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- CN105709721A CN105709721A CN201610028705.3A CN201610028705A CN105709721A CN 105709721 A CN105709721 A CN 105709721A CN 201610028705 A CN201610028705 A CN 201610028705A CN 105709721 A CN105709721 A CN 105709721A
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- air purifying
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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
- B01J23/40—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals of the platinum group metals
- B01J23/42—Platinum
-
- 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
- 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
- B01J21/063—Titanium; Oxides or hydroxides thereof
-
- 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
- B01J23/40—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals of the platinum group metals
- B01J23/44—Palladium
-
- 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
- B01J23/40—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals of the platinum group metals
- B01J23/46—Ruthenium, rhodium, osmium or iridium
- B01J23/464—Rhodium
-
- 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
- B01D2255/102—Platinum group metals
- B01D2255/1023—Palladium
-
- 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
- B01D2255/1025—Rhodium
-
- 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
Abstract
The invention discloses an air purifying agent which comprises, by weight, 65-99 parts of siliceous shale and 1-35 parts of catalyst. The catalyst loaded on the siliceous shale is photocatalytic nano titanium dioxide catalyst and/or nano titanium dioxide chelated precious metal catalyst. The invention further discloses a preparation method and application of the air purifying agent. The air purifying agent can effectively degrade pollutants like formaldehyde, and purifying efficiency of formaldehyde in a cubic container exceeds 80% when only 50 g of the air purifying agent is needed; the air purifying agent can continuously purify the pollutants under light illumination and has the advantages of long duration and continuous acting effect; the air purifying agent is safe and reliable for human body and free of secondary pollution; compared with similar products like activated carbon, consumption in unit space is greatly lowered, and the air purifying agent is nonflammable and resistant to water washing and water soaking, so that great convenience is brought to use.
Description
Technical field
The present invention relates to air purification field.More particularly, to a kind of air purifying preparation and its preparation method and application.
Background technology
Room air pollution is that beauty finishing is being pursued by a phenomenon being widely present in ours at one's side, especially people
While, just fall in can not help in the environment of air pollution.Due to many reasons such as finishings, either home room is also
It is that the confined space of new car all can more or less exist pollution, affects and endanger the physical and mental health of people.The most universal
The air purifying preparation product existed has the charcoal bag of spray and adsorptivity.
Spray belongs to opacifying property more, and it is dirty that the delicate fragrance taste that the simply use of most of sprays comes out itself has hidden air
The taste of dye, can form secondary pollution and injury owing to the free particles of the chemistry such as its pressure agent floats in air.
Charcoal bag is primarily referred to as Linesless charcoal and the activated carbon of bamboo charcoal class.This kind of air purifying preparation is the most widely used
Air purifying preparation, its advantage is that price is low, and market is acceptant.Shortcoming is due to its product self character, is difficult to reach
To quantifying to eliminate the effect of air pollution, the most bulky inflammable, get wet or once damaged, then environment can be caused new
Pollute.
Accordingly, it is desirable to provide a kind of new and effective and free of contamination air purifying preparation and its preparation method and application.
Summary of the invention
It is an object of the present invention to provide a kind of air purifying preparation.This air purifying preparation not only good purification is simultaneously
Also have and convenient use (uses can be packed, also can exposed use), the most combustion-supporting and be not afraid of the advantage washing non-secondary pollution, fill up
Siliceous shale supported catalyst manufactures the blank of air purifying preparation.
Further object is that the preparation method that a kind of air purifying preparation is provided.This air purifying preparation is to use
Prepare after the mineral loaded catalyst of siliceous shale.
Present invention also offers the application of described air purifying preparation.
For reaching above-mentioned first purpose, the present invention uses following technical proposals:
The present invention, described cleanser includes siliceous shale and is carried on the catalyst on siliceous shale；By weight
Number meter, siliceous shale is 65-99 part, and catalyst is 1-35 part；The described catalyst being carried on siliceous shale is photocatalytic nanometer
Titanium deoxide catalyst and/or nano titanium oxide chelating noble metal catalyst, the mixing of the two arbitrary proportion or Dan Pinjun can be real
Execute.
The air purifying preparation product of the siliceous shale supported catalyst of the present invention, by natural mineral matter siliceous shale i.e. albumen
Stone shale and/or diatomaceous shale supported catalyst are made.Described siliceous shale is a kind of hard fine rock, tool laminated knot
Structure, containing substantial amounts of silicon dioxide (up to 85%, common shale is averagely containing silicon dioxide about 60%)；Described siliceous shale
Finger protein stone shale and diatomaceous shale.Opal shale is (such as by opal or de-glass fire by the silicification of normal shale
The precipitation of the silicon dioxide that mountain ash produces) formed, diatomaceous shale is by the accumulation of organic substance (such as diatom and radiolitid shell)
Being formed, the time of accumulation is identical with the time of clay deposition.Opal shale presents loose structure after calcining with diatomaceous shale, tool
There is stronger adsorption function, supported catalyst thereon after calcining.Described catalyst refers to photocatalytic nanometer titanium dioxide and nanometer two
Titanium oxide chelating noble metal catalyst, the two arbitrarily mixes or any independent.
Preferably, described siliceous shale is opal shale and diatomaceous shale.Described opal shale and diatomaceous shale
Arbitrary proportion mixing or Dan Pinjun can implement.In described siliceous shale, protein shale mixes with diatomaceous shale arbitrary proportion
Or a certain single product independently form, the opposing party is without also realizing.
Preferably, described siliceous shale before supported catalyst through calcination processing.
Preferably, described photocatalytic nanometer titanium deoxide catalyst refers to the nano titanium oxide with photocatalysis performance.
Preferably, described nano titanium oxide chelating noble metal catalyst is by photocatalytic nanometer titanium dioxide and noble metal
Catalyst forms new nano titanium oxide chelating noble metal catalyst by chelatropic reaction.
Preferably, described noble metal catalyst includes platinum, rhodium or palladium catalyst.
For reaching second purpose, the present invention uses following technical proposals:
The preparation method of air purifying preparation as above, comprises the technical steps that:
1) calcining, selected siliceous shale, after high temperature uniform calcination, define the shale coming in every shape, differing in size
Graininess or powder body, naturally cool to room temperature state after calcining；
2) load, with the siliceous shale after calcining as carrier, at its surface and internal load photocatalytic nanometer titanium dioxide
Catalyst and/or nano titanium oxide chelating noble metal catalyst；
3) it is dried, in closed environment, is dried process according to drying process；
4) detection, detection functional effect the most qualified, qualified after be i.e. prepared as described air purifying preparation product.
Preferably, step 1) in, the temperature of calcining siliceous shale is 650-1100 DEG C.
Preferably, step 2) in, the method for siliceous shale surface and internal load catalyst includes coating, soaks or chemistry
Reaction.
The invention also discloses described air purifying preparation in the application purifying air field.This cleanser can drop effectively
Solve the pollutant such as formaldehyde, it is only necessary to 50 grams, the purification efficiency of PARA FORMALDEHYDE PRILLS(91,95) reaches more than 80% in one cube of container.
The applicant finds through substantial amounts of research, and siliceous shale has good porosity characteristic, and its microcosmic surface is thick
Rough, rough, it is the good carrier of catalyst.But, undressed siliceous shale contains a large amount of impurity, nano-pore
Gap patency rate is low, it is difficult to be preferably combined with catalyst.Meanwhile, the microstructure on siliceous shale surface is the most critically important, and it is direct
Have impact on the efficiency of light-catalyzed reaction.Through substantial amounts of exploitative experiment, final the application is by carrying out calcining pre-treatment to it
(calcining heat selects 650-1100 DEG C), the load capacity simultaneously limited according to the technical program (is counted, siliceous shale by weight
For 65-99 part, catalyst is 1-35 part) load specific photocatalyst (photocatalytic nanometer titanium deoxide catalyst and/or nanometer
Titanium dioxide chelating noble metal catalyst), it is possible to itself and catalyst are carried out good combination, synergism, i.e. can increase and catch
Catch the probability of the organic gas molecules such as formaldehyde, make again the two produce the binary cooperative effect of nanoscale interfacial materials and then enhancing
The ability that degraded purifies.Only need 50 grams of cleansers of the present invention, under illumination condition, through 48 hours, in one cube of container
The purification efficiency of PARA FORMALDEHYDE PRILLS(91,95) just can reach more than 80%.
Technical scheme has filled up the blank of siliceous shale loaded optic catalyst, it is proposed that a kind of confined space goes
Except the efficient desired air cleanser of the pollutant such as formaldehyde, meanwhile, use that volume is little, the most water funk, more do not have a secondary pollution.
Beneficial effects of the present invention is as follows:
1, there is the efficient function purifying air, can pollutant such as degradation of formaldehyde effectively, it is only necessary to 50 grams, one
In cube container, the purification efficiency of PARA FORMALDEHYDE PRILLS(91,95) reaches more than 80%；
2. there is the effect removed depollution for a long time, purify air, can be with continual purifying contaminated under the irradiation of light
Thing, have the time persistently, the advantage of continuous action；
3, siliceous shale and catalyst belong to nontoxic, harmless material, safe to the human body reliably；Secondary will not be produced dirty
Dye.
4, convenient using, can pack use, granular exposed can also put use, even if there being leakage, also will not
Pollute environment；
5, during like product compares unit space compared with activated carbon, usage amount is substantially reduced, the most combustion-supporting, the most water funk
Wash, water logging, greatly facilitate use.
Accompanying drawing explanation
Below in conjunction with the accompanying drawings the detailed description of the invention of the present invention is described in further detail.
Fig. 1 illustrates that the product prepared by embodiment 1 is examined through (national) Building Materials Industry Technology Supervision Research Center
The examining report page 1 surveyed.
Fig. 2 illustrates that the product prepared by embodiment 1 is examined through (national) Building Materials Industry Technology Supervision Research Center
The examining report page 2 surveyed.
Fig. 3 illustrates that the product prepared by embodiment 1 is examined through (national) Building Materials Industry Technology Supervision Research Center
The examining report page 3 surveyed.
Fig. 4 illustrates that the product prepared by embodiment 1 is examined through (national) Building Materials Industry Technology Supervision Research Center
The examining report page four surveyed.
Detailed description of the invention
In order to be illustrated more clearly that the present invention, below in conjunction with preferred embodiment, the present invention is described further.Ability
Field technique personnel should be appreciated that following specifically described content is illustrative and be not restrictive, and should not limit this with this
The protection domain of invention.
Embodiment 1
A kind of air purifying preparation, consisting of: siliceous shale 99 parts, and the catalyst being carried on siliceous shale 1 part,
Count by weight.Described siliceous shale be calcining after diatomaceous shale and opal shale in the mixture of following ratio, institute
State catalyst to be photocatalytic nanometer titanium deoxide catalyst and chelate Pt or Rh or the nano-photo catalytic titanium dioxide of palladium
Mixture in following ratio
The preparation method of described air purifying preparation, comprises the technical steps that:
1) calcining, by 99 parts of opal shale after 650-1100 degree temperature calcination Celsius with through 650-1100 Celsius
The two granule or the powder body of the diatomaceous shale 0 part after degree temperature calcination uniformly mix, and obtain siliceous shale mixture；
2) load, by photocatalytic nanometer titanium dioxide 1 part and chelating Pt or Rh or the nano-photo catalytic dioxy of palladium
Change 0 part of mix homogeneously of titanium, with the siliceous shale after calcining as carrier, by professional method, catalyst loaded to the silicon after calcining
The surface of matter shale and inside；The method of described load includes coating, soaks or chemical reaction；
3) it is dried, in closed environment, is dried process according to drying process；
4) detection, detection functional effect the most qualified, qualified after be i.e. prepared as described air purifying preparation product.
After testing, the present embodiment cleanser has the efficient function purifying air, can the dirt such as degradation of formaldehyde effectively
Dye thing, it is only necessary to 50 grams, under illumination condition, through 48 hours, the purification efficiency of PARA FORMALDEHYDE PRILLS(91,95) reached in one cube of container
85.5%, refer to accompanying drawing: (national) Building Materials Industry Technology Supervision Research Center examining report 201601CC101.
Embodiment 2
A kind of air purifying preparation, consisting of: siliceous shale 65 parts, and the catalyst 35 being carried on siliceous shale
Part, count by weight.Described siliceous shale be calcining after diatomaceous shale and opal shale in the mixture of following ratio,
Described catalyst is photocatalytic nanometer titanium deoxide catalyst and chelates Pt or Rh or the nano-photo catalytic titanium dioxide of palladium
Titanium is in the mixture of following ratio.
The preparation method of described air purifying preparation, comprises the technical steps that:
1) calcining, by 0 part of opal shale after 650-1100 degree temperature calcination Celsius with through 650-1100 Celsius
The two granule or the powder body of the diatomaceous shale 65 parts after degree temperature calcination uniformly mix, and obtain siliceous shale mixture；
2) load, by photocatalytic nanometer titanium dioxide 35 parts and chelating Pt or Rh or the nano-photo catalytic dioxy of palladium
Change 0 part of mix homogeneously mixing of titanium, with the siliceous shale after calcining as carrier, after catalyst being loaded to calcining by professional method
The surface of siliceous shale and inside；The method of described load includes coating, soaks or chemical reaction；
3) it is dried, in closed environment, is dried process according to drying process；
4) detection, detection functional effect the most qualified, qualified after be i.e. prepared as described air purifying preparation product.
The air purification effect of the pollutant such as the present embodiment cleanser product degradation of formaldehyde purifies effect with the product of embodiment 1
Fruit is seemingly.
Embodiment 3
A kind of air purifying preparation, consisting of: siliceous shale 75 parts, and the catalyst 25 being carried on siliceous shale
Part, count by weight.Described siliceous shale be calcining after diatomaceous shale and opal shale in the mixture of following ratio,
Described catalyst is photocatalytic nanometer titanium deoxide catalyst and chelates Pt or Rh or the nano-photo catalytic titanium dioxide of palladium
Titanium is in the mixture of following ratio
The preparation method of described air purifying preparation, comprises the technical steps that:
1) calcining, by 75 parts of opal shale after 650-1100 degree temperature calcination Celsius with through 650-1100 Celsius
The two granule or the powder body of the diatomaceous shale 0 part after degree temperature calcination uniformly mix, and obtain siliceous shale mixture；
2) load, by photocatalytic nanometer titanium dioxide 12.5 parts and chelating Pt or Rh or the nano-photo catalytic of palladium
12.5 parts of mix homogeneously of titanium dioxide, with the siliceous shale after calcining as carrier, load to forge by catalyst by professional method
The surface of the siliceous shale after burning and inside；The method of described load includes coating, soaks or chemical reaction；
3) it is dried, in closed environment, is dried process according to drying process；
4) detection, detection functional effect the most qualified, qualified after be i.e. prepared as described air purifying preparation product.
The air purification effect of the pollutant such as the present embodiment cleanser product degradation of formaldehyde purifies effect with the product of embodiment 1
Fruit is seemingly.
Embodiment 4
A kind of air purifying preparation, consisting of: siliceous shale 85 parts, and the catalyst 15 being carried on siliceous shale
Part, count by weight.Described siliceous shale be calcining after diatomaceous shale and opal shale in the mixture of following ratio,
Described catalyst is photocatalytic nanometer titanium deoxide catalyst and chelates Pt or Rh or the nano-photo catalytic titanium dioxide of palladium
Titanium is in the mixture of following ratio
The preparation method of described air purifying preparation, comprises the technical steps that:
1) calcining, by 52.5 parts of opal shale after 650-1100 degree temperature calcination Celsius with through 650-Celsius
The two granule of diatomaceous shale after 1100 degree of temperature calcination 32.5 parts or powder body uniformly mix, and obtain siliceous shale mixture；
2) load, by photocatalytic nanometer titanium dioxide 12 parts and chelating Pt or Rh or the nano-photo catalytic dioxy of palladium
Change 3 parts of mix homogeneously of titanium, with the siliceous shale after calcining as carrier, by professional method, catalyst loaded to the silicon after calcining
The surface of matter shale and inside；The method of described load includes coating, soaks or chemical reaction；
3) it is dried, in closed environment, is dried process according to drying process；
4) detection, detection functional effect the most qualified, qualified after be i.e. prepared as described air purifying preparation product.
The air purification effect of the pollutant such as the present embodiment cleanser product degradation of formaldehyde purifies effect with the product of embodiment 1
Fruit is seemingly.
Embodiment 5
A kind of air purifying preparation, consisting of: siliceous shale 90 parts, and the catalyst 10 being carried on siliceous shale
Part, count by weight.Described siliceous shale be calcining after diatomaceous shale and opal shale in the mixture of following ratio,
Described catalyst is photocatalytic nanometer titanium deoxide catalyst and chelates Pt or Rh or the nano-photo catalytic titanium dioxide of palladium
Titanium is in the mixture of following ratio
The preparation method of described air purifying preparation, comprises the technical steps that:
1) calcining, by 27 parts of opal shale after 650-1100 degree temperature calcination Celsius with through 650-1100 Celsius
The two granule or the powder body of the diatomaceous shale 63 parts after degree temperature calcination uniformly mix, and obtain siliceous shale mixture；
2) load, by photocatalytic nanometer titanium dioxide 0 part and chelating Pt or Rh or the nano-photo catalytic dioxy of palladium
Change 10 parts of mix homogeneously of titanium, with the siliceous shale after calcining as carrier, after catalyst being loaded to calcining by professional method
The surface of siliceous shale and inside；The method of described load includes coating, soaks or chemical reaction；
3) it is dried, in closed environment, is dried process according to drying process；
4) detection, detection functional effect the most qualified, qualified after be i.e. prepared as described air purifying preparation product.
The air purification effect of the pollutant such as the present embodiment cleanser product degradation of formaldehyde purifies effect with the product of embodiment 1
Fruit is seemingly.
Obviously, the above embodiment of the present invention is only for clearly demonstrating example of the present invention, and is not right
The restriction of embodiments of the present invention, for those of ordinary skill in the field, the most also may be used
To make other changes in different forms, cannot all of embodiment be given exhaustive here, every belong to this
What bright technical scheme was extended out obviously changes or changes the row still in protection scope of the present invention.
Claims (10)
1. an air purifying preparation, it is characterised in that: described cleanser includes siliceous shale and is carried on urging of siliceous shale
Agent；Counting by weight, siliceous shale is 65-99 part, and catalyst is 1-35 part；The described catalyst being carried on siliceous shale
Noble metal catalyst is chelated for photocatalytic nanometer titanium deoxide catalyst and/or nano titanium oxide.
A kind of air purifying preparation the most according to claim 1, it is characterised in that: described siliceous shale is opal shale
And/or diatomaceous shale.
A kind of air purifying preparation the most according to claim 1 and 2, it is characterised in that: described siliceous shale is at supported catalyst
Through calcination processing before agent.
A kind of air purifying preparation the most according to claim 1 and 2, it is characterised in that: described photocatalytic nanometer titanium dioxide
Catalyst refers to the nano titanium oxide with photocatalysis performance.
A kind of air purifying preparation the most according to claim 1 and 2, it is characterised in that: described nano titanium oxide chelating is expensive
Metallic catalyst is that by chelatropic reaction, photocatalytic nanometer titanium dioxide and noble metal catalyst are formed new nanometer titanium dioxide
Titanium chelating noble metal catalyst.
A kind of air purifying preparation the most according to claim 5, it is characterised in that: described noble metal catalyst includes platinum, rhodium
Or palladium catalyst.
7. the preparation method of the air purifying preparation as described in claim 1-6 is arbitrary, it is characterised in that include that following technique walks
Rapid:
1) calcining, selected siliceous shale, after uniform calcination, form shale graininess or powder body, naturally cool to room temperature shape
State；
2) load, with the siliceous shale after calcining as carrier, at its surface and internal load photocatalytic nanometer Titanium Dioxide
Agent and/or nano titanium oxide chelating noble metal catalyst；
3) it is dried, closed environment is dried process；
4) detection, detection functional effect the most qualified, qualified after be i.e. prepared as described air purifying preparation product.
The preparation method of air purifying preparation the most according to claim 7, it is characterised in that: step 1) in, calcine siliceous page
The temperature of rock is 650-1100 DEG C.
The preparation method of air purifying preparation the most according to claim 7, it is characterised in that: step 2) in, siliceous shale table
The method of face and internal load catalyst includes coating, soaks or chemical reaction.
10. the application in purifying air field of the air purifying preparation as described in claim 1-6 is arbitrary.
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| CN201610028705.3A CN105709721A (en) | 2016-01-15 | 2016-01-15 | Air purifying agent and preparation method and application thereof |
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| CN201610028705.3A CN105709721A (en) | 2016-01-15 | 2016-01-15 | Air purifying agent and preparation method and application thereof |
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| CN108295842A (en) * | 2018-02-05 | 2018-07-20 | 唐吉龙 | A kind of composite photocatalyst material for air purifier |
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|---|---|---|---|---|
| CN107308931A (en) * | 2017-07-04 | 2017-11-03 | 北京大督硅藻新材料技术股份有限公司 | A kind of silicon titanium composite filter element material and its preparation method and application |
| CN108295842A (en) * | 2018-02-05 | 2018-07-20 | 唐吉龙 | A kind of composite photocatalyst material for air purifier |
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Inventor after: Zheng Aimin Inventor after: Li Guoquan Inventor after: Zheng Hongyu Inventor before: Zheng Aimin Inventor before: Zheng Hongyu |
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Application publication date: 20160629 |