CN113181946A - Carrier skeleton for purifying VOCs and purification method - Google Patents
Carrier skeleton for purifying VOCs and purification method Download PDFInfo
- Publication number
- CN113181946A CN113181946A CN202110440612.2A CN202110440612A CN113181946A CN 113181946 A CN113181946 A CN 113181946A CN 202110440612 A CN202110440612 A CN 202110440612A CN 113181946 A CN113181946 A CN 113181946A
- Authority
- CN
- China
- Prior art keywords
- purification
- carrier
- vocs
- photocatalyst
- light source
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000000746 purification Methods 0.000 title claims abstract description 59
- 239000012855 volatile organic compound Substances 0.000 title claims abstract description 31
- 238000000034 method Methods 0.000 title claims abstract description 16
- 239000011941 photocatalyst Substances 0.000 claims abstract description 31
- 239000003054 catalyst Substances 0.000 claims description 21
- 239000011521 glass Substances 0.000 claims description 12
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 8
- 239000011248 coating agent Substances 0.000 claims description 8
- 238000000576 coating method Methods 0.000 claims description 8
- 239000002243 precursor Substances 0.000 claims description 8
- 239000007789 gas Substances 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 6
- 229920000877 Melamine resin Polymers 0.000 claims description 4
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 4
- 238000001354 calcination Methods 0.000 claims description 4
- 239000004202 carbamide Substances 0.000 claims description 4
- 238000001816 cooling Methods 0.000 claims description 4
- 239000011159 matrix material Substances 0.000 claims description 4
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 claims description 4
- 229910052757 nitrogen Inorganic materials 0.000 claims description 4
- 238000005286 illumination Methods 0.000 claims 2
- 238000004887 air purification Methods 0.000 abstract description 4
- 238000012360 testing method Methods 0.000 description 10
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 9
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- 239000000919 ceramic Substances 0.000 description 4
- 238000011068 loading method Methods 0.000 description 4
- 238000013032 photocatalytic reaction Methods 0.000 description 3
- 238000002834 transmittance Methods 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 230000001590 oxidative effect Effects 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 230000000593 degrading effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 239000002808 molecular sieve Substances 0.000 description 1
- 125000004430 oxygen atom Chemical group O* 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- UAJUXJSXCLUTNU-UHFFFAOYSA-N pranlukast Chemical compound C=1C=C(OCCCCC=2C=CC=CC=2)C=CC=1C(=O)NC(C=1)=CC=C(C(C=2)=O)C=1OC=2C=1N=NNN=1 UAJUXJSXCLUTNU-UHFFFAOYSA-N 0.000 description 1
- 229960004583 pranlukast Drugs 0.000 description 1
- 238000006479 redox reaction Methods 0.000 description 1
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000000844 transformation Methods 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
Images
Classifications
-
- 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
- B01J27/00—Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
- B01J27/24—Nitrogen compounds
-
- 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
- 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
- B01J35/30—Catalysts, in general, characterised by their form or physical properties characterised by their physical properties
- B01J35/39—Photocatalytic properties
-
- 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
- B01D2258/00—Sources of waste gases
- B01D2258/06—Polluted air
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Environmental & Geological Engineering (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Catalysts (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Abstract
The invention relates to the technical field of air purification, in particular to a carrier framework for purifying VOCs and a purification method, which comprises the following steps: under the irradiation of a light source, the airflow to be purified containing VOCs passes through a carrier framework with a photocatalyst loaded on the surface. The carrier framework comprises a bottom plate and at least one layer of purification unit, each layer of purification unit comprises a plurality of leaf plates, and the leaf plates are distributed on one side of the bottom plate in an annular array; the page plates of the adjacent two layers of purification units are arranged in a staggered manner. The invention can ensure that the light source can fully irradiate the photocatalyst, the air flow to be purified can fully contact the photocatalyst, the purification efficiency is improved, and the using amount of the photocatalyst is reduced.
Description
Technical Field
The invention relates to the technical field of air purification, in particular to a carrier framework for purifying VOCs and a purification method.
Background
The ultraviolet light catalysis has wide application in the fields of waste gas treatment, air purification and the like. The technology utilizes ultraviolet light to irradiate and excite a catalyst, generates a photoproduction hole-electron pair on the surface of the catalyst, and initiates a series of oxidation-reduction reactions to generate substances with strong oxidizing property, such as oxygen atoms, free radicals and the like, and react with Volatile Organic Compounds (VOCs) molecules in the air, thereby oxidizing and degrading the organic molecules. In practical applications, the photocatalyst is usually fixed on the inner wall of a honeycomb material (such as aluminum honeycomb, honeycomb activated carbon, molecular sieve, etc.), or the catalyst powder is granulated and then encapsulated in a sand-bag-like grid or mesh plate; and then ultraviolet lamps are arranged outside the honeycomb material or the screen plate. However, in these cases, ultraviolet light cannot sufficiently irradiate the catalyst, and the honeycomb skeleton, the particulate carrier, and the like block the ultraviolet light, so that many catalysts cannot function without actually being irradiated with ultraviolet light.
Disclosure of Invention
The invention provides a carrier framework for purifying VOCs (volatile organic compounds) and a purification method, which are used for solving the problem that part of a photocatalyst cannot play a role due to the fact that the existing carrier framework for air purification shields light.
In one aspect, the invention provides a carrier skeleton for purifying VOCs, at least a part of the surface of which is loaded with a photocatalyst, the carrier skeleton comprises a bottom plate and at least one layer of purification unit, each layer of purification unit comprises a plurality of leaf plates, and the leaf plates are distributed on one side of the bottom plate in an annular array; the page plates of the adjacent two layers of purification units are arranged in a staggered manner.
Preferably, the photocatalyst is g-C3N4A catalyst.
Preferably, the distance between the nth layer of purification unit and the (n + 2) th layer of purification unit is not less than the length of the projection of the nth layer of purification unit on the base plate, wherein n is a positive integer greater than or equal to 1.
Preferably, the material of the leaf plate is glass.
Preferably, the width of the leaf is not less than 1 mm.
Preferably, g-C is supported on the surface of the carrier skeleton3N4The method of the catalyst comprises the following steps:
step 1: melamine and urea in a mass ratio of 2: 1-1: 2 are mixed and then dispersed in DMF to form a milky precursor;
step 2: uniformly coating the precursor on at least one part of the surfaces of the leaf plate and the bottom plate of the carrier framework, wherein the coating thickness is not more than 100 micrometers;
and step 3: calcining the coated carrier skeleton under the protection of nitrogen, raising the temperature to 100-150 ℃ at the heating rate of 3 ℃/min for 2 hours, raising the temperature to 550-600 ℃ for 4 hours, and cooling to obtain g-C attached to the surface of the carrier skeleton3N4A catalyst.
In another aspect, the present invention further provides a method for purifying VOCs, comprising the following steps: under the irradiation of a light source, the airflow to be purified containing the VOCs passes through a carrier framework for purifying the VOCs.
Preferably, the direction of the gas flow to be purified is perpendicular to the irradiation direction of the light source.
Preferably, the light source is an ultraviolet light source.
Preferably, the wavelength of the ultraviolet light emitted by the ultraviolet light source is in the range of 300-400 nm.
Compared with the prior art, the invention has the beneficial effects that:
1) the invention uses the bottom plate and a plurality of leaf plates to form the carrier framework, and each leaf plate is not shielded, so that ultraviolet light can fully irradiate the photocatalyst to initiate a photocatalytic reaction, thereby improving the purification efficiency and reducing the dosage of the photocatalyst.
2) The invention employs g-C3N4The catalyst purifies air containing medium and low concentration VOCs, and can be applied to spaces in building rooms, structures, vehicles, refrigerators and elevators.
3) The photocatalyst and the carrier framework cannot be shielded mutually, each blade plate can be irradiated by ultraviolet light, and the photocatalyst and the carrier framework have little obstruction to air flow.
4) In the invention, g-C3N4Firmly loaded on the glass surface. g-C3N4The purification efficiency is high; the glass is low in cost, and the purifying efficiency can be improved due to the light transmittance of the glass.
Drawings
FIG. 1 is a schematic structural diagram of the vector backbone of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention.
The present application provides a support framework for purifying VOCs having a photocatalyst supported on at least a portion of the surface thereof. The carrier framework comprises a bottom plate 1 and at least one layer of purification unit, each layer of purification unit comprises a plurality of leaf plates 2, and the leaf plates 2 are distributed in an annular array and vertically fixed on one side of the bottom plate 1; the page plates 2 of the adjacent two layers of purification units are arranged in a staggered manner, and specifically, the page plates 2 of the outer layer purification unit are arranged on the outer side of the inner layer purification unit in an inserting manner. When the light source 3 irradiates, the page plates 2 of two adjacent layers of purification units are not mutually shielded, so that the photocatalyst on the surfaces of the page plates 2 can be sufficiently irradiated, and the purification efficiency is improved. The width of the leaf 2 is not less than 1 mm.
As a preferred embodiment of the present invention, the photocatalyst is g-C3N4，g-C3N4The purification efficiency is high. g-C3N4The catalyst can be loaded on one side or both sides of the page plate 2, and also can be loaded onOn the bottom plate 1, when the light source 3 irradiates, a photocatalytic reaction is initiated, so that air containing medium and low concentration VOCs is purified.
As a preferred embodiment of the invention, the distance between the nth layer of purification unit and the (n + 2) th layer of purification unit is not less than the length of the projection of the nth layer of purification unit on the bottom plate 1, wherein n is a positive integer greater than or equal to 1. The page plates 2 of each layer of purification unit are not mutually shielded, and the photocatalyst on the surfaces of the page plates 2 can be fully irradiated, so that the purification efficiency is improved.
In a preferred embodiment of the present invention, the sheet 2 is made of glass or glass fiber, which is low in cost and has light transmittance and high purification efficiency.
As a preferred embodiment of the present invention, the photocatalyst is g-C3N4Loading g-C on the carrier skeleton3N4The method of the catalyst comprises the following steps:
step 1: melamine and urea in a mass ratio of 2: 1-1: 2 are mixed and then dispersed in DMF to form a milky precursor;
step 2: uniformly coating precursors on the surfaces of a leaf plate 2 and a bottom plate 1 of a carrier framework, wherein the coating thickness is not more than 100 micrometers, and the leaf plate 2 is made of glass;
and step 3: calcining the coated carrier framework under the protection of nitrogen, raising the temperature to 100-150 ℃ at the heating rate of 3 ℃/min for 2 hours, raising the temperature to 550-600 ℃ for 4 hours, and cooling to obtain g-C firmly attached to the surface of the carrier framework3N4A catalyst.
The application also provides a method for purifying VOCs, which comprises the following steps: under the irradiation of a light source 3, enabling the airflow to be purified containing VOCs to pass through a carrier framework which is loaded with a photocatalyst on at least one part of the surface, wherein the carrier framework comprises a bottom plate 1 and at least one layer of purification unit, each layer of purification unit comprises a plurality of leaf plates 2, and the plurality of leaf plates 2 are distributed in an annular array and are vertically fixed on one side of the bottom plate 1; the leaf plates 2 of the outer layer purification unit are arranged outside the inner layer purification unit in an inserting way. Under the irradiation of the light source 3, a photocatalytic reaction is initiated, and the optimized carrier skeleton structure is matched, so that ultraviolet light can be ensured to be fully irradiated on the photocatalyst, air flow can be fully contacted with the photocatalyst, the purification efficiency is improved, and the using amount of the photocatalyst is reduced.
As a preferred embodiment of the present invention, as shown in fig. 1, the direction 4 of the gas flow to be purified is perpendicular to the irradiation direction of the light source 3, so that the gas flow and the photocatalyst can be sufficiently contacted.
As a preferred embodiment of the present invention, the light source 3 is an ultraviolet light source, and the wavelength of the ultraviolet light emitted from the ultraviolet light source is 300-400 nm. g-C3N4The catalyst has the best absorption performance at the ultraviolet band, so the catalyst has higher purification efficiency.
Example 1: as shown in fig. 1, a carrier skeleton for purifying VOCs, on the surface of which a photocatalyst is loaded, comprises a bottom plate 1 and two layers of purification units, wherein each of the first layer of purification unit and the second layer of purification unit comprises a plurality of leaf plates 2, and the leaf plates 2 of each layer of purification unit are distributed in an annular array and fixed on the upper surface of the bottom plate 1; a plurality of page boards 2 adopt the mode of inserting empty to fix in the purification unit's of second floor the outside at the purification unit of first floor, have guaranteed that page board 2 in the purification unit of first floor and the page board 2 of the purification unit of second floor do not shelter from each other, and when the light struck, the photocatalyst on every page board 2 surface all can be fully shone. The material of page board 2 is glass, and glass's light transmittance can improve purification efficiency.
Example 2: a method of purifying VOCs comprising the steps of:
step 1: mixing the components in a mass ratio of 1: 1, mixing melamine and urea, and dispersing in DMF to form a milky precursor;
step 2: uniformly coating precursors on the surfaces of a leaf plate 2 and a bottom plate 1 of a carrier framework, wherein the coating thickness is not more than 100 micrometers, and the leaf plate 2 is made of glass; the structure of the carrier skeleton was the same as that in example 1.
And step 3: calcining the coated carrier skeleton under the protection of nitrogen, heating to 120 ℃ at the heating rate of 3 ℃/min for 2 hours, and heating to 550 ℃ for calciningBurning for 4 hours, and cooling to obtain g-C firmly attached to the surface of the carrier framework3N4A catalyst.
And 4, step 4: under the irradiation of 365nm ultraviolet light emitting diodes, the gas flow to be purified containing VOCs is made to pass through the carrier skeleton with photocatalyst loaded on the surface. The direction 4 of the air flow to be purified is perpendicular to the irradiation direction of the light-emitting diode, the vertical irradiation can ensure that the air flow is fully contacted with the photocatalyst, and the purification efficiency is improved.
Example 3: loaded with g-C3N4Purification Performance test of catalyst support framework
1. The structure of the carrier skeleton in example 1 was used for the test, and g-C was loaded by the loading method of example 23N4Loaded on a carrier backbone. Wherein: the size of the bottom plate 1 of the carrier framework is 45mm x45mm, the size of the leaf plate 2 is 4mm x27mm x20 pieces, and 365nm ultraviolet light-emitting diodes are used as a light source 3. Test chamber volume 1.7m3。
And (3) testing results: the initial concentration of formaldehyde is 5ppm, and the removal rate in 1 hour is 99 percent; the initial concentration of 10ppm ethanol, 1 hours of removal rate is 99.9%.
2. The carrier framework is honeycomb porous ceramic. Wherein: the porous ceramic size is 50mm long x50mm wide x10mm high, and the pore size is 2mm x2 mm. And g-C was loaded using the loading method of example 2 according to the foregoing condition parameters3N4The photocatalyst is prepared on the pore canal and the surface of the ceramic, and a 365nm ultraviolet light-emitting diode is used as a light source 3.
And (3) testing results: g-C obtained3N4And ceramics do not bond as strongly as glass. At a volume of 1.7m3In a test chamber, the initial concentration of formaldehyde is 2ppm, and the removal rate in 1 hour is 40 percent; initial concentration of 13ppm ethanol, 1 hours removal rate is 55%.
3. The structure of the carrier matrix in example 1 was used for testing, and g-C was loaded using the loading method in example 23N4Loaded on a carrier backbone. Wherein: the material of the leaf plate 2 of the carrier framework is glass. The bottom plate 1 has a size of 45mm x45mm, and the leaf plate 2 has a size of 4mm x27mm x8 pieces in g-C3N4As a catalyst, a 365nm ultraviolet light emitting diode is used as a light source 3.
And (3) testing results: test chamber volume 1.7m3. Formaldehyde with the initial concentration of 3.6ppm and the removal rate of 72 percent in 1 hour; initial concentration of 5.9ppm ethanol, 1 hours removal rate is 69%.
The test results show that: the carrier framework can improve the purification efficiency and reduce the using amount of the catalyst. The utility model provides a carrier skeleton is in the test process, can not shelter from each other between photocatalyst, page board 2 and the bottom plate 1, and every leaf board 2 can all be shone by the ultraviolet ray, and photocatalyst and page board 2 and the hindrance to the air current also are very little.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent structures or equivalent flow transformations made by using the contents of the specification and the drawings, or applied directly or indirectly to other related systems, are included in the scope of the present invention.
Claims (10)
1. A carrier skeleton for purifying VOCs is characterized in that at least one part of the surface of the carrier skeleton is loaded with a photocatalyst, the carrier skeleton comprises a bottom plate and at least one layer of purification unit, each layer of purification unit comprises a plurality of page plates, and the page plates are distributed on one side of the bottom plate in an annular array; the page plates of the adjacent two layers of purification units are arranged in a staggered manner.
2. A support frame for purification of VOCs as claimed in claim 1, wherein said photocatalyst is g-C3N4A catalyst.
3. A carrier frame for purifying VOCs according to claim 1 or 2, wherein the distance between the nth layer of purification units and the (n + 2) th layer of purification units is not less than the length of the projection of the nth layer of purification units on the base plate, wherein n is a positive integer greater than or equal to 1.
4. A carrier frame for the purification of VOCs as recited in claim 1, wherein said sheet is made of glass.
5. A carrier frame for the purification of VOCs according to claim 1, wherein said sheet has a width of not less than 1 mm.
6. A carrier matrix for the purification of VOCs as claimed in claim 2, wherein g-C is loaded on the surface of the carrier matrix3N4The method of the catalyst comprises the following steps:
step 1: melamine and urea in a mass ratio of 2: 1-1: 2 are mixed and then dispersed in DMF to form a milky precursor;
step 2: uniformly coating the precursor on at least one part of the surfaces of the leaf plate and the bottom plate of the carrier framework, wherein the coating thickness is not more than 100 micrometers;
and step 3: calcining the coated carrier skeleton under the protection of nitrogen, raising the temperature to 100-150 ℃ at the heating rate of 3 ℃/min for 2 hours, raising the temperature to 550-600 ℃ for 4 hours, and cooling to obtain g-C attached to the surface of the carrier skeleton3N4A catalyst.
7. A method for purifying VOCs, comprising the steps of: passing a gas stream to be purified containing VOCs through a carrier matrix for purifying VOCs as claimed in any one of claims 1 to 6 under illumination by a light source.
8. A method of purifying VOCs as recited in claim 7, wherein the flow of gas to be purified is directed perpendicular to the direction of illumination of the light source.
9. A method according to claim 8, wherein the light source is an ultraviolet light source.
10. The method as claimed in claim 9, wherein the wavelength of the ultraviolet light emitted from the ultraviolet light source is in the range of 300-400 nm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110440612.2A CN113181946A (en) | 2021-04-23 | 2021-04-23 | Carrier skeleton for purifying VOCs and purification method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110440612.2A CN113181946A (en) | 2021-04-23 | 2021-04-23 | Carrier skeleton for purifying VOCs and purification method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113181946A true CN113181946A (en) | 2021-07-30 |
Family
ID=76978128
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110440612.2A Pending CN113181946A (en) | 2021-04-23 | 2021-04-23 | Carrier skeleton for purifying VOCs and purification method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113181946A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013244440A (en) * | 2012-05-24 | 2013-12-09 | Sharp Corp | Water purifying apparatus |
| CN103495195A (en) * | 2013-09-18 | 2014-01-08 | 浙江大学 | Photocatalytic type air purification device and method |
| EP2875859A1 (en) * | 2013-11-21 | 2015-05-27 | RGenau Industries KG | Catalyst support body |
| US20160129432A1 (en) * | 2013-07-05 | 2016-05-12 | Nitto Denko Corporation | Filter Element for Decomposing Contaminants, System for Decomposing Contaminants and Method Using the System |
| CN108211784A (en) * | 2018-03-19 | 2018-06-29 | 西安建筑科技大学 | A kind of purifier of high penetration support type axial direction photocatalysis treatment pernicious gas |
| CN110368999A (en) * | 2019-08-16 | 2019-10-25 | 深圳先进技术研究院 | A kind of catalyst and its preparation method and application |
| CN111692668A (en) * | 2020-06-15 | 2020-09-22 | 华中科技大学 | Air purification method and device based on corona discharge plasma |
-
2021
- 2021-04-23 CN CN202110440612.2A patent/CN113181946A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013244440A (en) * | 2012-05-24 | 2013-12-09 | Sharp Corp | Water purifying apparatus |
| US20160129432A1 (en) * | 2013-07-05 | 2016-05-12 | Nitto Denko Corporation | Filter Element for Decomposing Contaminants, System for Decomposing Contaminants and Method Using the System |
| CN103495195A (en) * | 2013-09-18 | 2014-01-08 | 浙江大学 | Photocatalytic type air purification device and method |
| EP2875859A1 (en) * | 2013-11-21 | 2015-05-27 | RGenau Industries KG | Catalyst support body |
| CN108211784A (en) * | 2018-03-19 | 2018-06-29 | 西安建筑科技大学 | A kind of purifier of high penetration support type axial direction photocatalysis treatment pernicious gas |
| CN110368999A (en) * | 2019-08-16 | 2019-10-25 | 深圳先进技术研究院 | A kind of catalyst and its preparation method and application |
| CN111692668A (en) * | 2020-06-15 | 2020-09-22 | 华中科技大学 | Air purification method and device based on corona discharge plasma |
Non-Patent Citations (1)
| Title |
|---|
| 孙艳娟;王瑞;董帆;何基;吴忠标;: "TiO_2/g-C_3N_4在泡沫陶瓷表面的负载及光催化空气净化性能增强", vol. 37, no. 06, pages 2265 - 2274 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| da Costa Filho et al. | Strategies for the intensification of photocatalytic oxidation processes towards air streams decontamination: A review | |
| Lasek et al. | Removal of NOx by photocatalytic processes | |
| KR101319064B1 (en) | Method of preparing platinum catalyst for removing formaldehyde, carbon dioxide, methanol and hydrogen | |
| US5866752A (en) | Destruction of volatile organic carbons | |
| WO2006080216A1 (en) | Surface emitting device | |
| CN102872892A (en) | Foamed ceramic based photocatalytic component and preparation method thereof | |
| CN109876797A (en) | A kind of catalyst and preparation method thereof in strong microwave ultraviolet field | |
| JP2006237563A (en) | Surface emitting device | |
| EP3912702A1 (en) | Glass or aluminum structure air filter using photocatalyst precoat and manufacturing method therefor | |
| Bechec et al. | Gas‐Phase Photooxidation: Reactors and Materials | |
| CN1162211C (en) | Photocatalytic air-purifying net in multilayer structure and is making process | |
| CN206950990U (en) | A kind of photo catalysis reactor and equipment for treating industrial waste gas | |
| Paz | Photocatalytic treatment of air: from basic aspects to reactors | |
| CN113181946A (en) | Carrier skeleton for purifying VOCs and purification method | |
| JPH11335187A (en) | Photocatalyst module and equipment for photocatalyst | |
| CN1175921C (en) | High adsorptivity light catalyzed air processor | |
| KR101329828B1 (en) | A tungsten/titania-based catalyst and a method of preparing the same | |
| CN113318726B (en) | Photocatalyst with function of releasing negative oxygen ions and preparation method and application thereof | |
| JP2003103142A (en) | Gas cleaning device | |
| CN113842917A (en) | Method for preparing composite material | |
| JP2001137665A (en) | Photocatalyst unit and harmful gas removing device using the same | |
| CN111167304A (en) | Fiber-based corrugated photocatalytic module and preparation method thereof | |
| CN213556355U (en) | VOC processing apparatus | |
| CN211988009U (en) | Fiber-based corrugated photocatalytic module | |
| EP4331721A1 (en) | Catalytic system with photocatalyst and gas depollution apparatus containing the same |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210730 |
|
| RJ01 | Rejection of invention patent application after publication |