MX2023004683A - Material adsorbente para eliminar oxidos de nitrogeno del aire interior o de la cabina. - Google Patents
Material adsorbente para eliminar oxidos de nitrogeno del aire interior o de la cabina.Info
- Publication number
- MX2023004683A MX2023004683A MX2023004683A MX2023004683A MX2023004683A MX 2023004683 A MX2023004683 A MX 2023004683A MX 2023004683 A MX2023004683 A MX 2023004683A MX 2023004683 A MX2023004683 A MX 2023004683A MX 2023004683 A MX2023004683 A MX 2023004683A
- Authority
- MX
- Mexico
- Prior art keywords
- nitrogen oxides
- adsorbent material
- indoor
- cabin air
- removing nitrogen
- Prior art date
Links
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 title abstract 6
- 239000003463 adsorbent Substances 0.000 title abstract 2
- 239000000463 material Substances 0.000 title abstract 2
- 229910021536 Zeolite Inorganic materials 0.000 abstract 1
- 239000010953 base metal Substances 0.000 abstract 1
- 239000000356 contaminant Substances 0.000 abstract 1
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 abstract 1
- 229910044991 metal oxide Inorganic materials 0.000 abstract 1
- 150000004706 metal oxides Chemical class 0.000 abstract 1
- 239000010457 zeolite Substances 0.000 abstract 1
Classifications
-
- 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
- B01D53/02—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 by adsorption, e.g. preparative gas chromatography
- B01D53/04—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 by adsorption, e.g. preparative gas chromatography with stationary adsorbents
- B01D53/0407—Constructional details of adsorbing systems
- B01D53/0438—Cooling or heating systems
-
- 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
- B01D53/02—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 by adsorption, e.g. preparative gas chromatography
- B01D53/04—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 by adsorption, e.g. preparative gas chromatography with stationary adsorbents
-
- 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
- B01D53/02—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 by adsorption, e.g. preparative gas chromatography
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/0027—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions
- B01D46/0036—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions by adsorption or absorption
-
- 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
- B01D53/02—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 by adsorption, e.g. preparative gas chromatography
- B01D53/04—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 by adsorption, e.g. preparative gas chromatography with stationary adsorbents
- B01D53/0407—Constructional details of adsorbing systems
-
- 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
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
- B01J20/0203—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising compounds of metals not provided for in B01J20/04
- B01J20/0248—Compounds of B, Al, Ga, In, Tl
-
- 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
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
- B01J20/06—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising oxides or hydroxides of metals not provided for in group B01J20/04
-
- 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
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
- B01J20/10—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate
- B01J20/16—Alumino-silicates
- B01J20/165—Natural alumino-silicates, e.g. zeolites
-
- 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
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/22—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
- F24F8/15—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering by chemical means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/10—Inorganic adsorbents
- B01D2253/102—Carbon
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/10—Inorganic adsorbents
- B01D2253/104—Alumina
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/10—Inorganic adsorbents
- B01D2253/106—Silica or silicates
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/10—Inorganic adsorbents
- B01D2253/106—Silica or silicates
- B01D2253/108—Zeolites
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/10—Inorganic adsorbents
- B01D2253/106—Silica or silicates
- B01D2253/108—Zeolites
- B01D2253/1085—Zeolites characterized by a silicon-aluminium ratio
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/10—Inorganic adsorbents
- B01D2253/112—Metals or metal compounds not provided for in B01D2253/104 or B01D2253/106
- B01D2253/1124—Metal oxides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/25—Coated, impregnated or composite adsorbents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/30—Physical properties of adsorbents
- B01D2253/34—Specific shapes
- B01D2253/342—Monoliths
- B01D2253/3425—Honeycomb shape
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/40—Nitrogen compounds
- B01D2257/404—Nitrogen oxides other than dinitrogen oxide
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2259/00—Type of treatment
- B01D2259/45—Gas separation or purification devices adapted for specific applications
- B01D2259/4508—Gas separation or purification devices adapted for specific applications for cleaning air in buildings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2259/00—Type of treatment
- B01D2259/45—Gas separation or purification devices adapted for specific applications
- B01D2259/4566—Gas separation or purification devices adapted for specific applications for use in transportation means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2259/00—Type of treatment
- B01D2259/45—Gas separation or purification devices adapted for specific applications
- B01D2259/4566—Gas separation or purification devices adapted for specific applications for use in transportation means
- B01D2259/4575—Gas separation or purification devices adapted for specific applications for use in transportation means in aeroplanes or space ships
-
- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Analytical Chemistry (AREA)
- Engineering & Computer Science (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Inorganic Chemistry (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Separation Of Gases By Adsorption (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US202063104347P | 2020-10-22 | 2020-10-22 | |
| PCT/US2021/056053 WO2022087265A1 (en) | 2020-10-22 | 2021-10-21 | Adsorbent material for removing nitrogen oxides from indoor or cabin air |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| MX2023004683A true MX2023004683A (es) | 2023-05-09 |
Family
ID=81289392
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| MX2023004683A MX2023004683A (es) | 2020-10-22 | 2021-10-21 | Material adsorbente para eliminar oxidos de nitrogeno del aire interior o de la cabina. |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US12643068B2 (enExample) |
| EP (1) | EP4232182A4 (enExample) |
| JP (1) | JP2023548072A (enExample) |
| KR (1) | KR20230092966A (enExample) |
| CN (1) | CN116322938A (enExample) |
| MX (1) | MX2023004683A (enExample) |
| WO (1) | WO2022087265A1 (enExample) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020223391A1 (en) | 2019-04-29 | 2020-11-05 | Nextwatts, Inc. | Building emission processing and/or sequestration systems and methods |
| US12367498B2 (en) | 2021-10-11 | 2025-07-22 | Carbonquest, Inc. | Carbon management systems and method for management of carbon use and/or production in buildings |
| WO2025015212A1 (en) * | 2023-07-11 | 2025-01-16 | Carbonquest, Inc. | Building emission processing and/or sequestration systems and methods |
| US20260008963A1 (en) * | 2024-07-08 | 2026-01-08 | Uop Llc | Hydrothermally stable and non-reactive adsorbent for cracked gas dehydration |
Family Cites Families (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5158582A (en) * | 1988-05-30 | 1992-10-27 | Hitachi Zosen Corporation | Method of removing NOx by adsorption, NOx adsorbent and apparatus for purifying NOx-containing gas |
| US5158502A (en) * | 1991-07-12 | 1992-10-27 | Richard Frost | Roof ridge vent system for buildings |
| US6068824A (en) * | 1993-02-04 | 2000-05-30 | Nippon Shokubai Co., Ltd. | Adsorbent for nitrogen oxides and method for removal of nitrogen oxides by use thereof |
| FI111245B (fi) * | 1998-12-31 | 2003-06-30 | Micro Chemie B V | Menetelmä ammoniakin erottamiseksi kaasuseoksesta ja adsorbenttikoostumuksen käyttö tässä erotuksessa |
| JP2001219022A (ja) * | 2000-02-07 | 2001-08-14 | Mitsubishi Electric Corp | NOx除去フィルターおよびその製造方法、空調装置 |
| US6689709B1 (en) * | 2000-11-15 | 2004-02-10 | Engelhard Corporation | Hydrothermally stable metal promoted zeolite beta for NOx reduction |
| JP2002321912A (ja) * | 2001-04-23 | 2002-11-08 | Mitsubishi Electric Corp | 吸着用ゼオライトおよびそれを用いたガス除去装置 |
| KR100463048B1 (ko) * | 2003-01-27 | 2004-12-23 | 삼성전자주식회사 | 케미컬 필터 미디엄, 케미컬 필터 및 이의 제조 방법 |
| AR065501A1 (es) * | 2007-02-27 | 2009-06-10 | Basf Catalysts Llc | Catalizadores de zeolita cha de cobre |
| KR100957771B1 (ko) | 2009-10-16 | 2010-05-12 | 운해이엔씨(주) | 실내용 공기정화 및 살균 장치 |
| WO2013031415A1 (ja) * | 2011-08-29 | 2013-03-07 | ニチアス株式会社 | 二酸化窒素吸着剤、二酸化窒素吸着装置および二酸化窒素の除去方法 |
| US20140117283A1 (en) * | 2012-10-26 | 2014-05-01 | Massachusetts Institute Of Technology | Reversible Sorbent for Warm CO2 Capture by Pressure Swing Adsorption |
| WO2015011819A1 (ja) * | 2013-07-25 | 2015-01-29 | 三菱電機株式会社 | 脱臭装置 |
| US9517983B2 (en) * | 2014-07-16 | 2016-12-13 | Basf Corporation | Regeneration loop clean-up |
| GB2539745B (en) * | 2015-02-26 | 2017-05-24 | Johnson Matthey Plc | Palladium-MAZ zeolite passive NOx adsorber and use thereof |
| JP7213821B2 (ja) * | 2017-11-13 | 2023-01-27 | 三井金属鉱業株式会社 | 窒素酸化物吸蔵材及び排ガス浄化用触媒 |
| US20210387122A1 (en) * | 2018-10-23 | 2021-12-16 | Basf Corporation | Catalyst-adsorbent filter for air purification |
| US20230356179A1 (en) | 2020-07-09 | 2023-11-09 | Basf Corporation | Combined adsorption and catalysis for cabin air pollution control |
-
2021
- 2021-10-21 MX MX2023004683A patent/MX2023004683A/es unknown
- 2021-10-21 US US18/031,965 patent/US12643068B2/en active Active
- 2021-10-21 EP EP21883893.6A patent/EP4232182A4/en active Pending
- 2021-10-21 WO PCT/US2021/056053 patent/WO2022087265A1/en not_active Ceased
- 2021-10-21 CN CN202180069239.2A patent/CN116322938A/zh active Pending
- 2021-10-21 JP JP2023524894A patent/JP2023548072A/ja active Pending
- 2021-10-21 KR KR1020237016686A patent/KR20230092966A/ko active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| EP4232182A1 (en) | 2023-08-30 |
| CN116322938A (zh) | 2023-06-23 |
| WO2022087265A1 (en) | 2022-04-28 |
| US12643068B2 (en) | 2026-06-02 |
| KR20230092966A (ko) | 2023-06-26 |
| EP4232182A4 (en) | 2025-04-30 |
| US20230381708A1 (en) | 2023-11-30 |
| JP2023548072A (ja) | 2023-11-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| BR112017020263A2 (pt) | ?sorvente, métodos para produzir um sorvente e para tratar ar, e, sistemas de lavagem de co2, de ventilação de automóvel, de controle ambiental de aeronave e de controle de ar para remover dióxido de carbono do ar atmosférico? | |
| CA200993S (en) | Air purifier | |
| CA217946S (en) | Air purifier | |
| CA207736S (en) | Air purifier | |
| WO2020086525A8 (en) | Catalyst-adsorbent filter for air purification | |
| MX2021004652A (es) | Filtro catalizador-adsorbente para la purificacion del aire. | |
| EP4232182A4 (en) | Adsorbent material for removing nitrogen oxides from indoor or cabin air | |
| CA210070S (en) | Air purifier | |
| GB2609000B (en) | An air purifier | |
| CA205216S (en) | Air purifier | |
| IL274998A (en) | Air vehicle and method for operating the air vehicle | |
| CA217680S (en) | Air purifier | |
| EP3980328A4 (en) | Method and apparatus for removing greenhouse gases and air pollutants from the atmosphere | |
| EP3459629A4 (en) | AIR CONDITIONING, AIR CONDITIONING SYSTEM, METHOD FOR REMOVING CARBON DIOXIDE, ADSORBENS AND CARBON DIOXIDE REMOVER | |
| GB2612786B (en) | Air purifier | |
| EP3459626A4 (en) | ABSORPTION AGENT, CARBON DIOXIDE REMOVAL METHOD, CARBON DIOXIDE REMOVAL APPARATUS, AND AIR CONDITIONING DEVICE | |
| CA205934S (en) | Air purifier | |
| CA200464S (en) | Air purifier | |
| EP4080126A4 (en) | SMART AIR CONDITIONING DEVICE TO REDUCE MICRO-DUST AND HARMFUL GASES | |
| GB2619446B (en) | Air purifier | |
| CL2017002018A1 (es) | Boquillas de aire de borde para dispositivos separadores tipo correa | |
| CA206309S (en) | Air purifier | |
| ES1264505Y (es) | Purificador renovador de aire | |
| CA212968S (en) | Air purifier | |
| CA210870S (en) | Air purifier |