WO2020184908A1 - Dispositif de stérilisation pouvant décomposer l'ozone - Google Patents

Dispositif de stérilisation pouvant décomposer l'ozone Download PDF

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Publication number
WO2020184908A1
WO2020184908A1 PCT/KR2020/003144 KR2020003144W WO2020184908A1 WO 2020184908 A1 WO2020184908 A1 WO 2020184908A1 KR 2020003144 W KR2020003144 W KR 2020003144W WO 2020184908 A1 WO2020184908 A1 WO 2020184908A1
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WO
WIPO (PCT)
Prior art keywords
flow path
post
sterilization
unit
lamp
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Application number
PCT/KR2020/003144
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English (en)
Korean (ko)
Inventor
주윤관
최병노
김건래
Original Assignee
주식회사 원익큐엔씨
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Publication of WO2020184908A1 publication Critical patent/WO2020184908A1/fr

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L9/00—Disinfection, sterilisation or deodorisation of air
    • A61L9/16—Disinfection, sterilisation or deodorisation of air using physical phenomena
    • A61L9/18—Radiation
    • A61L9/20—Ultraviolet radiation
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
    • A61L2/02—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor using physical phenomena
    • A61L2/08—Radiation
    • A61L2/10—Ultraviolet radiation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/86—Catalytic processes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • 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
    • B01D53/8671—Removing components of defined structure not provided for in B01D53/8603 - B01D53/8668
    • B01D53/8675—Ozone
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2202/00—Aspects relating to methods or apparatus for disinfecting or sterilising materials or objects
    • A61L2202/10—Apparatus features
    • A61L2202/13—Biocide decomposition means, e.g. catalysts, sorbents
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2209/00—Aspects relating to disinfection, sterilisation or deodorisation of air
    • A61L2209/10—Apparatus features
    • A61L2209/12—Lighting means
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2209/00—Aspects relating to disinfection, sterilisation or deodorisation of air
    • A61L2209/10—Apparatus features
    • A61L2209/13—Dispensing or storing means for active compounds
    • A61L2209/134—Distributing means, e.g. baffles, valves, manifolds, nozzles
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2209/00—Aspects relating to disinfection, sterilisation or deodorisation of air
    • A61L2209/10—Apparatus features
    • A61L2209/14—Filtering means

Definitions

  • the present invention relates to a sterilization apparatus capable of decomposing ozone, and more particularly, to a sterilization apparatus capable of removing contaminants even under a high air flow rate and capable of decomposing ozone generated during a sterilization process.
  • air purification methods include a method of using a filter such as activated carbon, a method of using plants, and a method of circulating air, and in addition to this, there is a method of purifying air using ultraviolet rays.
  • a sterilization device using an ultraviolet sterilization lamp is mainly used, and this sterilization device is configured to remove contaminants by radiating ultraviolet rays into the inhaled air.
  • An embodiment of the present invention is to provide a sterilization device capable of removing contaminants even under conditions of a high air flow rate and capable of decomposing ozone generated during a sterilization process.
  • a sterilizing unit provided with a flow path through which suction air passes and a lamp member emitting ultraviolet rays to sterilize the suction air passing through the flow path; And a post-treatment unit for decomposing ozone contained in the air passing through the sterilization unit.
  • a sterilization apparatus including a light reflecting member disposed to face the lamp member with the passage interposed therebetween so as to reflect ultraviolet rays emitted from the lamp member toward the passage.
  • a sterilization flow path may be formed in the sterilization unit so that suction air flows along the outer circumferential surface of the lamp member, and the light reflection member may be disposed at a position facing the lamp member around the sterilization flow path.
  • the light reflecting member may be an aluminum plate that reflects ultraviolet rays, or a light reflecting material may be coated on the base plate.
  • a suction unit disposed at a front end of the sterilizing unit and a discharge unit disposed at a rear end of the post-treatment unit may be further included, and a filter member may be provided at at least one of the suction unit and the discharge unit.
  • a catalyst for decomposing ozone may be provided in the post-treatment unit.
  • a heating member for heating the catalyst may be provided in the post-treatment unit.
  • it may further include a housing having an inner cylinder in which the lamp member is disposed and an outer cylinder in which the post-treatment unit is disposed, and the outer cylinder may be disposed to surround the inner cylinder.
  • the flow path may be formed between the inner cylinder and the outer cylinder so that intake air flows in a direction from one side of the housing to the other side, and the light reflecting member may be disposed on a side of the flow channel adjacent to the outer cylinder.
  • a post-treatment passage extending from the passage is formed in the post-treatment part, and the post-treatment passage may be disposed to surround the passage.
  • a catalyst for decomposing ozone is provided in the post-treatment unit, and the catalyst may be heated by infrared rays emitted from the lamp member.
  • the lamp member may be an excimer lamp that simultaneously emits ultraviolet and infrared rays.
  • the light reflecting member may reflect ultraviolet rays emitted from the lamp member and pass infrared rays.
  • the post-treatment part may be formed to extend from the post-treatment passage, and an extended passage including a catalyst may be formed therein.
  • a cylindrical excimer lamp that emits ultraviolet rays and infrared rays, and a sterilization unit formed on the outer circumference of the excimer lamp and having a first flow path through which suction air passes;
  • a light reflecting member disposed to face the excimer lamp with the passage interposed therebetween so as to reflect ultraviolet rays radiated from the excimer lamp toward the passage, and formed on the outer circumference of the sterilizer to decompose ozone contained in the air passing through the sterilization unit
  • a sterilization apparatus including a second flow path through which air including ozone passes through the first flow path and a post-treatment unit including a catalyst disposed in the second flow path.
  • a sterilization device capable of ozone decomposition according to an embodiment of the present invention includes an ultraviolet ray generating lamp and a light reflecting member that reflects ultraviolet rays generated from the lamp on the flow path through which the introduced air passes, thereby quickly removing contaminants. Pollutant removal efficiency can be improved even under air flow conditions.
  • the sterilization device can quickly remove contaminants by using an excimer lamp as an ultraviolet ray generating lamp.
  • FIG. 1 is a cross-sectional view showing a sterilization device according to an embodiment of the present invention.
  • FIG. 2 is a cross-sectional view showing a light reflective member according to the present invention
  • (a) is a view showing a state composed of a single material
  • (b) is a view showing a state in which a light reflective material is coated on a base plate to be.
  • FIG. 3 is a view for explaining how ultraviolet rays and infrared rays emitted from a lamp member according to the present invention act on a light reflecting member.
  • FIG. 4 is a cross-sectional view showing a sterilization device according to another embodiment of the present invention.
  • FIG. 5 is a cross-sectional view showing the air flow inside the sterilization device according to another embodiment of the present invention.
  • FIG. 1 is a cross-sectional view showing a sterilization device according to an embodiment of the present invention.
  • the sterilization unit 100 is provided with a lamp member 110 that emits ultraviolet rays to sterilize the intake air.
  • the lamp member 110 may be an ultraviolet lamp that emits a general ultraviolet ray, but may be a vacuum ultraviolet lamp that emits ultraviolet rays having a shorter wavelength than that of a general ultraviolet ray, and further, the lamp member 110 is an excimer that emits vacuum ultraviolet rays. (Excimer) may be a lamp.
  • Vacuum Ultraviolet is ultraviolet rays having a wavelength of 100 nm to 200 nm close to X-rays among ultraviolet rays, and their photon energy is very high, so contaminants such as viruses can be effectively removed. If the MS2 virus, which is a standard virus used when testing air purifiers, is passed through the air and then irradiated with vacuum ultraviolet rays, all viruses can be removed in about 0.026 seconds. That is, if vacuum ultraviolet rays are radiated into the air through the excimer lamp, sterilization can be performed within a short time.
  • the ultraviolet rays generated by the lamp member 110 may include vacuum ultraviolet rays in a wavelength range of 100 nm to 200 nm and UVC (Ultraviolet C) in a wavelength range of 200 nm to 280 nm.
  • UV rays are divided into ultraviolet A (Ultraviolet A; UVA), ultraviolet B (UVB), ultraviolet C (Ultraviolet C; UVC) and vacuum ultraviolet rays according to their wavelength range.
  • double wavelengths of vacuum ultraviolet (VUV) 185 nm and ultraviolet C (UVC) 254 nm may be radiated.
  • Ozone which is generated by the reaction between the 185nm wavelength of vacuum ultraviolet (VUV) and oxygen in the air, is an incomplete gas molecule and has a property of being reduced to oxygen even with a small impact.
  • VUV vacuum ultraviolet
  • powerful energy is generated to destroy the cell membrane of microorganisms and viruses, and the bonding structure of malodorous molecules is purified into odorless molecules by oxidation, and the generated anions charge the dust with (-) to generate (+) ions and It may be formed to collect fine dust and purify harmful substances such as NO2, SO2, and NH3.
  • UVC ultraviolet C
  • the ultraviolet rays generated by the lamp member 110 may have vacuum ultraviolet (VUV) photon energy in the range of 6.20 eV to 12.40 eV and the photon energy of ultraviolet C (UVC) in the range of 4.43 eV to 6.20 eV.
  • VUV vacuum ultraviolet
  • UVC ultraviolet C
  • the 185 nm wavelength of vacuum ultraviolet (VUV) may have 6.70 eV photon energy
  • the 254 nm wavelength of ultraviolet C (UVC) may have 4.88 eV photon energy.
  • the photon energy of UVA (Ultraviolet A) may be 3.10 eV to 3.94 eV
  • the photon energy of UVB (Ultraviolet B) may be 3.94 eV to 4.30 eV.
  • Vacuum ultraviolet (VUV) has a short wavelength and has large photon energy that can break down chemical bonds in most pollutants.
  • VUV vacuum ultraviolet
  • UVC ultraviolet C
  • ozone is generated when inhaled air passes through the sterilization unit 100, but ozone contained in the air is decomposed while passing through the post-treatment unit 200 as described above.
  • a first flow path that is, a sterilization flow path 130 is formed so that intake air flows along the outer circumferential surface of the lamp member 110, and the light reflection member 120 is a lamp with the sterilization flow path 130 as the center. It is disposed at a position opposite to the member 110.
  • the air flowing around the lamp member 110 is directly sterilized, and at a location far from the lamp member 110, ultraviolet rays are reflected through the light reflecting member 120 to perform sterilization.
  • the sterilizing action is possible on both the portion near and far from the member 110.
  • the interval between the lamp member 110 and the light reflecting member 120 described above is formed to be approximately 5mm to 6mm.
  • FIG. 2 is a cross-sectional view showing a light reflective member according to the present invention
  • (a) is a view showing a state composed of a single material
  • (b) is a view showing a state in which a light reflective material is coated on a base plate to be.
  • the light reflecting member 120 may be composed of a single aluminum plate that reflects ultraviolet rays, and further, an aluminum plate for an optical mirror may be used.
  • the light reflecting member 120 in a state in which the light reflecting material 122 is provided on the base plate material 121.
  • the light reflective material 122 may be formed by depositing aluminum or by depositing aluminum and magnesium fluoride (MgF 2 ).
  • the light reflective material 122 may be composed of ultraviolet scattering particles including silica particles, or may be composed of a ceramic material having a high reflectance of ultraviolet rays.
  • ultraviolet scattering particles including silica particles
  • ceramic material having a high reflectance of ultraviolet rays.
  • silicon dioxide (SiO 2 ) or aluminum oxide (Al 2 O 3 ) is coated on the base plate 121, or a nano powder of silicon dioxide (SiO 2 ) and aluminum oxide (Al 2 O 3 ) is coated. It is also possible to configure in such a way.
  • VUV vacuum ultraviolet
  • FIG. 3 is a view for explaining how ultraviolet rays and infrared rays emitted from a lamp member according to the present invention act on a light reflecting member.
  • UV ultraviolet rays
  • IR infrared rays
  • the light reflecting member 120 is configured to reflect only ultraviolet rays (UV) having a short wavelength and pass infrared rays (IR) having a long wavelength.
  • UV ultraviolet rays
  • IR infrared rays
  • a suction unit 300 is disposed at the front end of the sterilization unit 100, and a discharge unit 400 is disposed at the rear end of the post treatment unit 200, at least one of the suction unit 300 and the discharge unit 400 In the filter member (F) may be provided.
  • ozone is removed as well as harmful substances such as nitrogen oxides (NOx), sulfur oxides (SOx), carbon monoxide (CO), carbon dioxide (CO 2 ), volatile organic compounds (VOCs), bacteria and viruses. It is configured to supply clean air in a condition to the room.
  • NOx nitrogen oxides
  • SOx sulfur oxides
  • CO carbon monoxide
  • CO 2 carbon dioxide
  • VOCs volatile organic compounds
  • a HEPA (High Efficiency Particulate Air) filter may be used as the filter member F.
  • the suction part 300 and the discharge part 400 are provided with suction ports 310 and discharge ports 410, respectively, and the suction ports 310 and discharge ports 410 have flow rates to control the flow rate of suction air or discharge air.
  • a control member (not shown) may be provided.
  • the post-treatment unit 200 is provided with a catalyst C for decomposing ozone.
  • a catalyst (C) in which CuO, MnO 2 , K, Al 2 O 3 is mixed may be used.
  • the decomposition efficiency of ozone varies depending on the temperature of the catalyst (C), and the decomposition efficiency of ozone rapidly increases (about 98% or more) at temperatures exceeding 32°C, and in the range of 40°C to 44°C. It is very important to maintain the activation temperature of the catalyst (C) because it shows almost 100% decomposition efficiency.
  • a heating member 210 for heating the catalyst C is provided in the post-processing unit 200, and a detailed configuration of the heating member 210 will be described later.
  • FIG. 4 is a cross-sectional view showing a sterilization device according to another embodiment of the present invention.
  • a housing 1 in which an inner cylinder 10 in which the sterilization unit 100 is disposed and an outer cylinder 20 in which the post-treatment unit 200 is disposed is formed is provided.
  • the outer cylinder 20 may be disposed to surround the inner cylinder 10.
  • a first flow path that is, a sterilization flow path 130 is formed between the inner cylinder 10 and the outer cylinder 20 so that intake air flows in a direction from one side of the housing 1 to the other side.
  • a lamp member 110 emitting ultraviolet rays is inserted in the center of the inner cylinder 10, and a sterilization flow path 130 through which suction air flows is formed between the inner circumferential surface of the inner cylinder 10 and the lamp member 110. .
  • a light reflecting member 120 is disposed on a side of the sterilization flow path 130 adjacent to the outer cylinder 20, that is, an inner circumferential surface of the inner cylinder 10. Therefore, the air flowing adjacent to the lamp member 110 among the suction air flowing along the sterilization flow path 130 is directly removed by the ultraviolet rays radiated from the lamp member 110, and the suction flowing along the sterilization flow path 130 Contaminants are removed from the air flowing adjacent to the inner circumferential surface of the inner cylinder 10 by ultraviolet rays reflected through the light reflecting member 120.
  • the housing 1 may be formed to have a circular cross section, but if the outer cylinder 20 is a structure surrounding the inner cylinder 10, it is not necessarily limited to a circular cross section, and may be formed to have a polygonal cross section such as a square.
  • a second flow path extending from the sterilization flow path 130 is formed in the post-processing unit 200.
  • the second flow path may include a post-processing flow path 220.
  • the post-treatment flow path 220 may be disposed to surround the sterilization flow path 130.
  • This post-treatment unit 200 is provided with a catalyst (C) for decomposing ozone, and the catalyst (C) is a catalyst (C) of a component in which CuO, MnO 2 , K, Al 2 O 3 are mixed as described above. It can be used, and it is possible to coat the catalyst (C) on a support having a honeycomb structure as well as a catalyst (C) in the form of a spherical, granular, or pellet, or coating a catalyst (C) on a porous metal.
  • a catalyst (C) for decomposing ozone is a catalyst (C) of a component in which CuO, MnO 2 , K, Al 2 O 3 are mixed as described above. It can be used, and it is possible to coat the catalyst (C) on a support having a honeycomb structure as well as a catalyst (C) in the form of a spherical, granular, or pellet, or coating a catalyst (C) on a porous metal.
  • the catalyst (C) in the post-treatment unit 200 It is preferable that a heating member 210 for heating is provided.
  • the heating member 210 may be configured to be heated by infrared rays (IR) radiated from the lamp member 110.
  • IR infrared rays
  • UV ultraviolet rays
  • IR infrared rays
  • the light reflecting member 120 is configured to reflect only ultraviolet rays (UV) having a short wavelength and allow infrared rays (IR) having a long wavelength to pass
  • the lamp member 110 is configured to pass ultraviolet rays (UV) and infrared rays (IR).
  • ultraviolet (UV) is reflected, but infrared (IR) passes through the light reflecting member 120, and the passed infrared (IR) heats the catalyst (C). It becomes.
  • infrared rays (IR) passing through the light reflecting member 120 heat the heat conductive member 211, and the high temperature heat is transmitted through the heat conductive member 211 to the heating member 210 It is transferred to and raises the temperature of the catalyst (C).
  • the heating member 210 may use a general heating member 210 such as a heating wire.
  • infrared rays IR that have passed through the light reflecting member 120 are transferred to the post-processing flow path 220 to increase the temperature of the catalyst C. That is, the sterilization flow path 130 and the post-treatment flow path 220 are overlapped, but when the post-processing flow path 220 is arranged to surround the sterilization flow path 130, the infrared rays (IR) passing through the sterilization flow path 130 Since the catalyst C provided in the post-treatment flow path 220 is heated, it is possible to maintain the activation temperature of the catalyst C even if a separate heating member is not provided.
  • FIG. 5 is a cross-sectional view showing the air flow inside the sterilization device according to another embodiment of the present invention.
  • the post-treatment unit 200 is formed to extend from the post-treatment flow path 220, and an extension flow path 230 including a catalyst C is formed therein. That is, the catalyst C is provided in both the post-treatment flow path 220 and the extension flow path 230, and the sterilized air containing ozone passes through the post-treatment flow path 220 and the extension flow path 230 in sequence.
  • the path through which ozone is decomposed becomes longer, so that air can be discharged in a state where ozone is decomposed reliably.
  • At least one end of the front end of the sterilization unit 100 or the rear end of the post treatment unit 200 may be provided with a blower 500.
  • the blower 500 may generally be a fan driven by a motor, but any device may be used as long as it is a means for generating blown air.
  • the blower 500 may be provided at the front end of the sterilization unit 100 to maintain the flow of the swirling flow, but may be connected to the rear end of the post-treatment unit 200 to be used.

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  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Epidemiology (AREA)
  • Animal Behavior & Ethology (AREA)
  • Biomedical Technology (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Disinfection, Sterilisation Or Deodorisation Of Air (AREA)

Abstract

La présente invention concerne un dispositif de stérilisation pouvant décomposer l'ozone et, plus particulièrement, un dispositif de stérilisation pouvant éliminer un contaminant même dans une condition d'écoulement d'air à grande vitesse, et pouvant également décomposer l'ozone généré pendant un processus de stérilisation. À cet effet, la présente invention concerne un dispositif de stérilisation comprenant : une unité de stérilisation composée d'un canal d'écoulement à travers lequel s'écoule de l'air d'admission, et d'un élément de lampe destiné à émettre des rayons ultraviolets de façon à stériliser l'air d'admission traversant le canal d'écoulement ; une unité de post-traitement destinée à décomposer l'ozone compris dans l'air ayant traversé l'unité de stérilisation ; et un élément réfléchissant la lumière disposé à l'opposé de l'élément de lampe et entre lesquels est interposé le canal d'écoulement de façon à réfléchir les rayons ultraviolets émis depuis l'élément de lampe vers le canal d'écoulement.
PCT/KR2020/003144 2019-03-08 2020-03-06 Dispositif de stérilisation pouvant décomposer l'ozone WO2020184908A1 (fr)

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KR10-2019-0027093 2019-03-08
KR1020190027093A KR102210086B1 (ko) 2019-03-08 2019-03-08 오존 분해가 가능한 살균 장치

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WO2022102810A1 (fr) * 2020-11-12 2022-05-19 Purespace Inc. Procédé de récupération d'activité catalytique d'un catalyseur d'oxyde de manganèse
ES2916149A1 (es) * 2020-12-28 2022-06-28 Univ Cantabria Filtro recirculante multimodal desactivador de patógenos en fluidos mediante fotones energéticos y equipo purificador

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KR102632572B1 (ko) * 2023-07-05 2024-02-01 유명규 자외선 반응 타워를 이용하는 고효율 탈취 시스템

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KR200216336Y1 (ko) * 2000-09-29 2001-03-15 주재순 자외선 오존 살균기
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ES2916149A1 (es) * 2020-12-28 2022-06-28 Univ Cantabria Filtro recirculante multimodal desactivador de patógenos en fluidos mediante fotones energéticos y equipo purificador

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