CN108097042A - A kind of ion field arrangement for catalytic purification and method - Google Patents

A kind of ion field arrangement for catalytic purification and method Download PDF

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Publication number
CN108097042A
CN108097042A CN201711484498.3A CN201711484498A CN108097042A CN 108097042 A CN108097042 A CN 108097042A CN 201711484498 A CN201711484498 A CN 201711484498A CN 108097042 A CN108097042 A CN 108097042A
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ion field
catalyst
pair
ion
oxide
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高崧
卢进
孙少凡
樊竹
李伯东
陈发旺
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718th Research Institute of CSIC
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718th Research Institute of CSIC
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation 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
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/74General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/86Catalytic processes
    • B01D53/8678Removing components of undefined structure
    • B01D53/8687Organic components
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23LFOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
    • A23L3/00Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs
    • A23L3/34Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs by treatment with chemicals
    • A23L3/3409Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs by treatment with chemicals in the form of gases, e.g. fumigation; Compositions or apparatus therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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    • B01D2255/20707Titanium
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    • B01D2255/20746Cobalt
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    • B01D2255/20753Nickel
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    • B01D2255/20792Zinc
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    • B01D2255/2092Aluminium
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    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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    • B01D2255/90Physical characteristics of catalysts
    • B01D2255/905Catalysts having a gradually changing coating
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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    • B01D2257/00Components to be removed
    • B01D2257/70Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
    • B01D2257/708Volatile organic compounds V.O.C.'s
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2258/00Sources of waste gases
    • B01D2258/06Polluted air
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2259/00Type of treatment
    • B01D2259/80Employing electric, magnetic, electromagnetic or wave energy, or particle radiation
    • B01D2259/818Employing electrical discharges or the generation of a plasma
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters

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  • Environmental & Geological Engineering (AREA)
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  • Food Science & Technology (AREA)
  • Polymers & Plastics (AREA)
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  • Disinfection, Sterilisation Or Deodorisation Of Air (AREA)

Abstract

The present invention provides a kind of ion field arrangement for catalytic purification and method, includes a pair of electrodes of high voltage power supply, ion field catalyst and the ion field catalyst both sides that are placed in, and the high voltage power supply is connected with a pair of electrodes;For the ion field catalyst using porous material as carrier, surface is coated with conductor oxidate composite coating, can be excited to generate a large amount of active ingredients in high voltage electric field.The present invention is provided simultaneously with VOCs and eliminates ability, efficient deodorizing ability and sterilization fresh-keeping ability.

Description

A kind of ion field arrangement for catalytic purification and method
Technical field
The present invention relates to air purification, off-flavor elimination and food preservative technology field, more particularly to it is a kind of from Subfield arrangement for catalytic purification and method.
Background technology
In air purification, off-flavor elimination and field of food preservation, exist for VOCs and gas with foreign flavor molecule technology for eliminating There is very extensive demand in the modern life, whether in the public affairs such as chemical industry place, lavatory, refuse depot or food storage chamber, dining room Altogether in the household electrical appliance such as place or refrigerator, refrigerator, disinfection cabinet, it all can usually be applied to VOCs and eliminate, eliminate the unusual smell or sterilize Fresh-keeping device, and usually have common demand for organic gas elimination, deodorization and sterilization fresh-keeping three, for example, in refrigerator In, it relies primarily on low temperature and realizes food fresh-keeping, still there are many bacteriums due at low ambient temperatures to exist, and is used for a long time Still the puzzlement of food spoilage and thing followed refrigerator peculiar smell problem are faced in journey, is that refrigerator industry is thrown every year The problem of the amount of telling maximum.
In existing air purifying process, VOCs is eliminated and deodorization functions can pass through physical absorption, chemical reaction or low temperature The means such as plasma for purification are realized.For example, activated carbon can adsorb gas chromatography gas molecule extensively, realize what VOCs was eliminated Effect, while also can reach the purpose of deodorization, however must be replaced after service life is reached, particularly in high humidity, low temperature In environment, the service life of activated carbon can be greatly shortened.Chemical reaction eliminates VOCs or deodorization can be by combustion catalyst, suction It receives the materials such as agent to realize, however catalyst usually requires to heat, and it is quicker to temperature not to be suitable for refrigerator, small-sized confined space etc. The place of sense, absorbent also face the problem of long-time service needs replacing.Low temperature plasma can effectively eliminate VOCs simultaneously And deodorization and sterilization, however the problem of plasma usually requires to apply very high voltage, face high energy consumption and large volume, and generate A large amount of ozone be a kind of polluted gas in itself, for a long time exist can damage to ambient enviroment and personnel.
The content of the invention
In view of this, the problem to be solved in the present invention is to solve the deficiencies in the prior art, provides one kind and is provided simultaneously with VOCs eliminates the ion field arrangement for catalytic purification and method of ability, efficient deodorizing ability and sterilization fresh-keeping ability.
Realize that technical scheme is as follows:
A kind of ion field arrangement for catalytic purification, including high voltage power supply, ion field catalyst and the ion field catalyst that is placed in A pair of electrodes of both sides, the high voltage power supply are connected with a pair of electrodes;The ion field catalyst is using porous material as carrier, table Face is coated with conductor oxidate composite coating, can be excited to generate a large amount of active ingredients in high voltage electric field.
Further, containing aerobic in the conductor oxidate composite coating of ion field catalyst surface coating of the present invention Change one or more components in titanium, zinc oxide, aluminium oxide, silica, and can be simultaneously also containing lanthana, cerium oxide, oxidation One or more in zirconium, silver oxide, manganese oxide, copper oxide, cobalt oxide, nickel oxide, iron oxide or noble metal platinum/palladium/gold/rhodium Active component.
Further, the carrier of ion field catalyst of the present invention be porous honeycomb ceramic, honeycomb ducts direction and two Electrode plane direction is vertical.
Further, a pair of electrodes of the present invention is tinsel, metal mesh or porous metals harden structure, and two electrodes are put down Row can realize the circulation of air in ion field catalyst, electrode while keeping smooth.
Further, a pair of electrodes of the present invention and the spacing of ion field catalyst are 0~5mm.
Further, high voltage power supply of the present invention is positive or negative high voltage, and two interelectrode electrical potential difference scopes arrive for 500V 5kV。
Further, present invention additionally comprises blower fan system and crust of the device, the ion field catalyst, a pair of electrodes and wind Machine system is respectively arranged in crust of the device.
A kind of ion field catalytic purification method, detailed process are:
To a pair of electrodes high pressure for the ion field catalyst both sides that are placed in, the electric field excited ion field that a pair of electrodes generates is urged The composite coating on agent surface generates the ion field containing a large amount of active ingredients, the pernicious gas of efficient degradation catalyst surface With gas with foreign flavor molecule.
Advantageous effect
First, ion field arrangement for catalytic purification of the present invention, the electric discharge of high voltage power supply driving electrodes, the catalysis of electrode excited ion field Agent face coat contains active ingredient so as to generate containing a large amount of active ingredients, with conventional ion field by ionized air generation Ion field is compared, and the object of present apparatus excitation is ion field catalyst, and voltage needed for generation active ingredient is small, and the ozone of generation is few It is and controllable.When the air circulation containing VOCs or gas with foreign flavor molecule is by the ion field areas, in ion field activity into Point or high energy electron and organic gas molecular collision, destroy its chemical bond, organic molecule finally made to be degraded purification, is released The air of harmless free from extraneous odour, and micro ozone, anion and a variety of free radicals are carried, sterilization fresh-keeping is played to ambient enviroment Effect.
Second, in ion field arrangement for catalytic purification of the present invention, blower fan system drive ambient enviroment in air pass through from Subfield can effectively eliminate the odorous gas such as VOCs and methyl mercaptan, trimethylamine in environment, while discharge the freedom of low concentration Base isoreactivity ingredient with each corner in airflow circulating to interior environment, plays the role of sterilization fresh-keeping.
3rd, ion field arrangement for catalytic purification of the present invention both can be applied to chemical industry place, and can also be applied to lavatory, rubbish It stands, the gas with foreign flavor place such as buttery or dining room, and since it is influenced from low temperature environment, applies also for refrigerator, cold In the cryopreservations environment such as cabinet, refrigerating chamber.
Description of the drawings
Fig. 1 is the diagrammatic cross-section of one ion field arrangement for catalytic purification of embodiment;
Fig. 2 is two ion field arrangement for catalytic purification stereogram of embodiment;
Fig. 3 is the schematic diagram of three ion field arrangement for catalytic purification of embodiment;
Fig. 4 is the schematic diagram of example IV ion field arrangement for catalytic purification;
Fig. 5 is the schematic diagram of five ion field arrangement for catalytic purification of embodiment;
Wherein, 1- electrodes, 2- ion field catalyst, 3- high voltage power supplies, 4- electrodes, 5- conducting wires, 6- device cases, 6-1 dresses Put shell lower surface, 6-2 crusts of the device upper surface, 7- blower fan systems, 8- fang platforms, 9- shells.
Specific embodiment
Below in conjunction with the accompanying drawings and specific example, the present invention is described in further detail.
Embodiment one:
This example provides a kind of ion field arrangement for catalytic purification, and Fig. 1 is the diagrammatic cross-section of ion field arrangement for catalytic purification, Including a pair of electrodes Isosorbide-5-Nitrae, ion field catalyst 2, high voltage power supply 3 and conducting wire 5, the 3 positive or negative high voltage end of high voltage power supply respectively with A pair of electrodes Isosorbide-5-Nitrae is connected, and the ion field catalyst is placed between a pair of electrodes Isosorbide-5-Nitrae;The ion field catalyst is with porous material Expect for carrier, surface is coated with conductor oxidate composite coating, can after ion field catalyst applies high voltage on surface It is excited, generates a large amount of active ingredients;Or it can be also partially energized in high voltage electric field.Swash under obstructed electricity condition in non- Send out state, reactionless activity.
The present apparatus coats the composite coating containing conductor oxidate as ion field catalyst in carrier surface, works as high-voltage electricity After source starts, two electrodes have taken positive or negative high voltage respectively, and high voltage electric field is generated between two electrodes, excite internal ion field catalysis Agent generates a large amount of active ingredients, the ion field areas with clean-up effect is createed, when molecule containing volatile organic matter or peculiar smell The air of gas molecule via honeycomb hole by the region when, be decomposed in ion field areas, play purification harm reduction, eliminate different The effect of taste.
In this example, preferably choose in the conductor oxidate composite coating of ion field catalyst surface coating containing oxidation One or more components in titanium, zinc oxide, aluminium oxide, silica, and can simultaneously also containing lanthana, cerium oxide, zirconium oxide, One or more in silver oxide, manganese oxide, copper oxide, cobalt oxide, nickel oxide, iron oxide or noble metal platinum/palladium/gold/rhodium are living Property component.
In this example, the carrier of ion field catalyst 2 is preferably chosen for porous honeycomb ceramic, honeycomb ducts direction and two electricity Polar plane direction is vertical, and a pair of electrodes is tinsel, metal mesh or porous metals harden structure, and electrode is protected with porous honeycomb ceramic Maintain an equal level whole, enable air to through electrode and porous honeycomb ceramic free flow.
A pair of electrodes and the spacing of ion field catalyst are preferably 0~5mm in this example.
This example mesohigh power supply is positive or negative high voltage, and two interelectrode electrical potential difference scopes are 500V to 5kV.
Embodiment two:
This example further discloses a kind of ion field arrangement for catalytic purification, as shown in Fig. 2, negative high-voltage electrode 1 is wire Wire electrode, material can be tungsten filament, molybdenum filament or stainless steel wire etc..Another electrode 4 can be grounding electrode, or corresponding Positive high voltage electrode, shape is metal lath.Ion field catalyst 2 is porous honeycomb structure, is to make pottery in porous honeycomb Porcelain coats conductor oxidate composite coating along the direction of thickness, and main component is aluminium oxide and titanium oxide, and can be contained simultaneously Have cerium oxide, lanthana, silver oxide, zirconium oxide, manganese oxide, copper oxide, cobalt oxide, nickel oxide, iron oxide or noble metal platinum/ One or more active components in palladium/gold/rhodium.The spacing of electrode 1 and electrode 4 is equal or slightly larger than ion field catalyst 2 Thickness, ion field catalyst 2 press from both sides between electrodes, can simultaneously be contacted with two electrodes or with low-field electrode and high-field electrode One of contact and do not contact with another or do not contacted with high pressure, low pressure the two poles of the earth.High voltage power supply can be direct current Output, exchange output, pulse output, ac output frequency 20Hz~100kHz, 1~40kHz of frequency range of pulse output.
After power initiation, ion field is started to work, and generates high voltage electric field between the two poles of the earth, wire, metal mesh and from 2 surface of subfield catalyst generates substantial amounts of reaction site, generates a large amount of high energy active ingredients, is touched with the gas molecule in the region Reaction is hit, eliminates gas with foreign flavor, while generates ozone, anion, free radical isoreactivity substance, further eliminates gas with foreign flavor. And the porous honeycomb ceramic for coating catalyst also there is catalysis ozone to decompose, and reduce the effect of the concentration of outlet ozone.
Embodiment three
This example further discloses a kind of ion field arrangement for catalytic purification, as shown in figure 3, in above-described embodiment one or two On the basis of, blower fan system and crust of the device are further included, using the pattern of the positive ventilation of the wind turbine of diameter matches, air is blown by wind turbine Go out, pass sequentially through electrode, ion field catalyst, electrode;The upper lower inner surface of described device shell is provided with parallel groove, electricity Pole, ion field catalyst, electrode are sequentially arranged in the groove of crust of the device, and outer surface of outer cover is provided with the fang platform of protrusion, should For installing high voltage power supply in fang platform, high voltage power supply is fixed on inside fang platform by encapsulated epoxy resin or silicon rubber, is ensured The insulation of high voltage power supply.Each several part is covered on the outer of whole device by the frame of plastic that insulation is equipped with into and out of air port of crust of the device In shell, it is ensured that the security of whole device.
Example IV:
This example further discloses a kind of ion field arrangement for catalytic purification, as shown in figure 4, based on four embodiments one or two Disclosed purifier dispenses the purifier disclosed in four embodiments one or two in the housing respectively, and is adopted after encapsulating With the pattern circumferentially around distribution, the device further includes blower fan system and crust of the device in the present embodiment, which uses diameter Matched centrifugal blower transversal ventilation, air are laterally blown out by being sucked below device, by wind turbine, and it is circular to pass sequentially through four directions Electrode, ion field catalyst, electrode.Described device outer surface of outer cover is provided with hollow fang platform, and high-voltage electricity is equipped in the fang platform High voltage power supply is fixed on inside fang platform by source by encapsulated epoxy resin or silicon rubber, ensures the insulation of high voltage power supply.Outside device The frame of plastic that insulation is equipped with into and out of air port of shell, it is ensured that the security of whole device.
Embodiment five:
This example further discloses a kind of ion field arrangement for catalytic purification, as shown in figure 5, based on six embodiments one or two Disclosed purifier dispenses the purifier disclosed in six embodiments one or two in the housing respectively, and after encapsulation Using the pattern circumferentially around distribution, the device further includes blower fan system and crust of the device in this example.The device uses diameter Matched centrifugal blower transversal ventilation, air are laterally blown out by sucking above device, by wind turbine, pass sequentially through hexagonal ring around Electrode, ion field catalyst, electrode.Described device outer surface of outer cover is provided with hollow fang platform, and high-voltage electricity is equipped in the fang platform High voltage power supply is fixed on inside fang platform by source by encapsulated epoxy resin or silicon rubber, ensures the insulation of high voltage power supply.Outside device The frame of plastic that insulation is equipped with into and out of air port of shell, it is ensured that the security of whole device.
The present apparatus is suitable in places such as chemical plant, Sewage Disposal, Biohazard Waste Disposals, applies also for lavatory, food storage It hides in the household electrical appliance such as public places or refrigerator, refrigerator, disinfection cabinet such as room, dining room, can also be selected according to actual conditions Multigroup ion field generator is rationally arranged use, the linear purification for improving ion field deodourizing preservation device and deodorizing capability.
A kind of ion field catalytic purification method, detailed process are:In a pair of electrodes of ion field catalyst both sides that is placed in High pressure, the composite coating for the electric field excited ion field catalyst surface that a pair of electrodes generates are generated containing a large amount of active ingredients Ion field, the pernicious gas of efficient degradation catalyst surface and gas with foreign flavor molecule.
Obviously, embodiment disclosed above is used for the purpose of clearly illustrating the case cited by the present invention, for this field Professional technician, can also make a variety of various forms of variations on the basis of the above description.Therefore, not office of the invention It is limited to embodiment as described herein, it is all to reach technique effect of the invention using principles of this disclosure and features of novelty, It should all belong to the scope of protection of the present invention.

Claims (8)

1. a kind of ion field arrangement for catalytic purification, which is characterized in that including high voltage power supply, ion field catalyst and the ion that is placed in A pair of electrodes of field catalyst both sides, the high voltage power supply are respectively connected with a pair of electrodes;The ion field catalyst is with porous Material is carrier, and surface is coated with conductor oxidate composite coating.
2. ion field arrangement for catalytic purification according to claim 1, which is characterized in that the ion field catalyst surface coating Conductor oxidate composite coating in containing one or more components in titanium oxide, zinc oxide, aluminium oxide, silica, and Can simultaneously also containing lanthana, cerium oxide, zirconium oxide, silver oxide, manganese oxide, copper oxide, cobalt oxide, nickel oxide, iron oxide or One or more active components in noble metal platinum/palladium/gold/rhodium.
3. ion field arrangement for catalytic purification according to claim 1 or claim 2, which is characterized in that the load of the ion field catalyst Body is porous honeycomb ceramic, and honeycomb ducts direction is vertical with a pair of electrodes in-plane.
4. ion field arrangement for catalytic purification according to claim 1 or claim 2, which is characterized in that the pair of electrode is wire Line, metal mesh or porous metals harden structure, two electrode runs parallels are in ion field catalyst.
5. ion field arrangement for catalytic purification according to claim 1 or claim 2, which is characterized in that the pair of electrode and ion field The spacing of catalyst is 0~5mm.
6. ion field arrangement for catalytic purification according to claim 1 or claim 2, which is characterized in that the high voltage power supply is positive and negative height It presses, the electrical potential difference scope between a pair of electrodes is 500V to 5kV.
7. ion field arrangement for catalytic purification according to claim 1 or claim 2, which is characterized in that further include blower fan system and device Shell, the ion field catalyst, a pair of electrodes and blower fan system are respectively arranged in crust of the device.
8. a kind of catalytic purification method based on ion field arrangement for catalytic purification described in claim 1, detailed process are:
It adds high pressure to a pair of electrodes for the ion field catalyst both sides that are placed in, the electric field excited ion field catalysis that a pair of electrodes generates The composite coating on agent surface, generate containing a large amount of active ingredients ion field, the pernicious gas of efficient degradation catalyst surface and Gas with foreign flavor molecule.
CN201711484498.3A 2017-12-29 2017-12-29 A kind of ion field arrangement for catalytic purification and method Pending CN108097042A (en)

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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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CN110687104A (en) * 2019-11-12 2020-01-14 北京联合大学 Cross sensitive material of carbon monoxide and trimethylamine
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CN111405740A (en) * 2020-04-20 2020-07-10 南京苏曼等离子科技有限公司 Low-temperature plasma mask sterilization repair electret machine and method
CN111578295A (en) * 2020-03-31 2020-08-25 中国船舶重工集团公司第七一八研究所 Burning washing type semiconductor waste gas treatment device
CN111790402A (en) * 2020-07-01 2020-10-20 中海油天津化工研究设计院有限公司 Preparation method of CO coupling catalyst
CN112156647A (en) * 2020-09-09 2021-01-01 中国船舶重工集团公司第七一八研究所 High-voltage auxiliary photocatalytic purification module, purification device and method
CN112156648A (en) * 2020-09-15 2021-01-01 中国船舶重工集团公司第七一八研究所 Miniaturized ion field catalytic purification device
CN112169582A (en) * 2020-09-09 2021-01-05 中国船舶重工集团公司第七一八研究所 High-voltage electric-assisted photocatalytic purification device with sterilization and odor purification functions
CN114484787A (en) * 2020-11-13 2022-05-13 广东美的制冷设备有限公司 Air conditioner gas purification method, air conditioner, storage medium and device

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CN110860201A (en) * 2018-08-27 2020-03-06 广东美的环境电器制造有限公司 Formaldehyde degradation device
CN110038558A (en) * 2019-04-09 2019-07-23 中国船舶重工集团公司第七一八研究所 A kind of preparation method and applications of low precious metal content high activated catalyst
CN110687104B (en) * 2019-11-12 2021-08-13 北京联合大学 Cross sensitive material of carbon monoxide and trimethylamine
CN110687104A (en) * 2019-11-12 2020-01-14 北京联合大学 Cross sensitive material of carbon monoxide and trimethylamine
CN111578295A (en) * 2020-03-31 2020-08-25 中国船舶重工集团公司第七一八研究所 Burning washing type semiconductor waste gas treatment device
CN111578295B (en) * 2020-03-31 2022-12-09 中国船舶重工集团公司第七一八研究所 Burning washing formula semiconductor exhaust treatment device
CN111405740A (en) * 2020-04-20 2020-07-10 南京苏曼等离子科技有限公司 Low-temperature plasma mask sterilization repair electret machine and method
CN111790402A (en) * 2020-07-01 2020-10-20 中海油天津化工研究设计院有限公司 Preparation method of CO coupling catalyst
CN111790402B (en) * 2020-07-01 2023-09-15 中海油天津化工研究设计院有限公司 Preparation method of CO coupling catalyst
CN112169582A (en) * 2020-09-09 2021-01-05 中国船舶重工集团公司第七一八研究所 High-voltage electric-assisted photocatalytic purification device with sterilization and odor purification functions
CN112156647A (en) * 2020-09-09 2021-01-01 中国船舶重工集团公司第七一八研究所 High-voltage auxiliary photocatalytic purification module, purification device and method
CN112156648A (en) * 2020-09-15 2021-01-01 中国船舶重工集团公司第七一八研究所 Miniaturized ion field catalytic purification device
CN114484787A (en) * 2020-11-13 2022-05-13 广东美的制冷设备有限公司 Air conditioner gas purification method, air conditioner, storage medium and device

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