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WO2007026387A3 - Photocatalytic filters that are coated with titanium dioxide suspensions and other substances and methods for obtaining such filters - Google Patents

Photocatalytic filters that are coated with titanium dioxide suspensions and other substances and methods for obtaining such filters Download PDF

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Publication number
WO2007026387A3
WO2007026387A3 PCT/IT2006/000633 IT2006000633W WO2007026387A3 WO 2007026387 A3 WO2007026387 A3 WO 2007026387A3 IT 2006000633 W IT2006000633 W IT 2006000633W WO 2007026387 A3 WO2007026387 A3 WO 2007026387A3
Authority
WO
WIPO (PCT)
Prior art keywords
filters
photocatalytic
titanium dioxide
substances
coated
Prior art date
Application number
PCT/IT2006/000633
Other languages
French (fr)
Other versions
WO2007026387A2 (en
Inventor
Luigino Gravelli
Original Assignee
Nm Tech Ltd
Luigino Gravelli
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Nm Tech Ltd, Luigino Gravelli filed Critical Nm Tech Ltd
Publication of WO2007026387A2 publication Critical patent/WO2007026387A2/en
Publication of WO2007026387A3 publication Critical patent/WO2007026387A3/en

Links

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
    • B01D53/34—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
    • B01D53/88—Handling or mounting catalysts
    • B01D53/885—Devices in general for catalytic purification of waste gases
    • 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
    • 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
    • A61L9/205—Ultraviolet radiation using a photocatalyst or photosensitiser
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
    • B01J21/06—Silicon, titanium, zirconium or hafnium; Oxides or hydroxides thereof
    • B01J21/063—Titanium; Oxides or hydroxides thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
    • B01J23/48—Silver or gold
    • B01J23/50—Silver
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
    • B01J23/72—Copper
    • 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
    • B01J35/20—Catalysts, in general, characterised by their form or physical properties characterised by their non-solid state
    • B01J35/23—Catalysts, in general, characterised by their form or physical properties characterised by their non-solid state in a colloidal state
    • 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
    • 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
    • B01J35/40—Catalysts, in general, characterised by their form or physical properties characterised by dimensions, e.g. grain size
    • B01J35/45—Nanoparticles
    • 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
    • B01J35/50—Catalysts, in general, characterised by their form or physical properties characterised by their shape or configuration
    • B01J35/58—Fabrics or filaments
    • B01J35/59—Membranes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/20—Metals or compounds thereof
    • B01D2255/207—Transition metals
    • B01D2255/20707—Titanium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/80—Type of catalytic reaction
    • B01D2255/802—Photocatalytic

Landscapes

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

Abstract

The invention relates to filters of various nature for use in air-conditioning and purification systems, particularly filters treated with photocatalytic materials and nanomaterials allowing decontamination from bacterial and viral species, also in the absence of light radiation. Particularly, the invention relates to photocatalytic filters (2) comprising, on the surface of said filters (2), one or more surface layers of compounds having photocatalytic activity comprising photocatalytic titanium dioxide.
PCT/IT2006/000633 2005-09-01 2006-08-31 Photocatalytic filters that are coated with titanium dioxide suspensions and other substances and methods for obtaining such filters WO2007026387A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT000002A ITIS20050002A1 (en) 2005-09-01 2005-09-01 Photocatalytic filters coated with suspensions of titanium dioxide and other compounds and methods for obtaining said filters.
ITIS2005A000002 2005-09-01

Publications (2)

Publication Number Publication Date
WO2007026387A2 WO2007026387A2 (en) 2007-03-08
WO2007026387A3 true WO2007026387A3 (en) 2007-05-31

Family

ID=37715947

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IT2006/000633 WO2007026387A2 (en) 2005-09-01 2006-08-31 Photocatalytic filters that are coated with titanium dioxide suspensions and other substances and methods for obtaining such filters

Country Status (2)

Country Link
IT (1) ITIS20050002A1 (en)
WO (1) WO2007026387A2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7088517B2 (en) 2019-07-18 2022-06-21 株式会社 エコファクトリー Ventilation air conditioning structure and ventilation air conditioning method

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US7910220B2 (en) 2007-07-25 2011-03-22 Alcoa Inc. Surfaces and coatings for the removal of carbon dioxide
US7824626B2 (en) * 2007-09-27 2010-11-02 Applied Nanotech Holdings, Inc. Air handler and purifier
IT1391328B1 (en) * 2008-08-08 2011-12-05 Nm Tech Ltd Nanomaterials And Microdevices Technology EQUIPMENT FOR AIR DECONTAMINATION
US8617665B2 (en) 2009-08-03 2013-12-31 Alcoa, Inc. Self-cleaning substrates and methods for making the same
US8436556B2 (en) 2009-10-08 2013-05-07 Delos Living, Llc LED lighting system
WO2012151407A1 (en) 2011-05-04 2012-11-08 Averett Stewart Benson Titanium dioxide photocatalytic compositions and uses thereof
DE102011087583A1 (en) * 2011-12-01 2013-06-06 BSH Bosch und Siemens Hausgeräte GmbH Household appliance with a deodorizing system for removing odor-active molecules
BR112015004595A2 (en) 2012-08-28 2017-07-04 Delos Living Llc systems, methods and articles to improve the well-being associated with living environments
KR101822891B1 (en) * 2013-02-12 2018-01-29 엘지전자 주식회사 Refrigerator and Manufacturing method of metal
EP3016742A4 (en) * 2013-07-05 2017-09-06 Nitto Denko Corporation Photocatalyst sheet
JP6346947B2 (en) 2013-07-05 2018-06-20 日東電工株式会社 Filter element for decomposing pollutants, system for decomposing pollutants and method of using the system
CN106462913A (en) 2014-02-28 2017-02-22 戴尔斯生活有限责任公司 Systems, methods and articles for enhancing wellness associated with habitable environments
MX2016016865A (en) 2014-06-23 2017-07-27 WELL Shield LLC Reduction of infections in healthcare settings using photocatalytic compositions.
DE102015114757A1 (en) 2014-09-04 2016-03-10 Seoul Viosys Co., Ltd PHOTOCATALYTIC FILTER, METHOD FOR THE PRODUCTION THEREOF AND METHOD FOR THE REACTIVATION THEREOF
EP3245631A4 (en) 2015-01-13 2018-06-27 Delos Living, LLC Systems, methods and articles for monitoring and enhancing human wellness
WO2018039433A1 (en) 2016-08-24 2018-03-01 Delos Living Llc Systems, methods and articles for enhancing wellness associated with habitable environments
WO2019046580A1 (en) 2017-08-30 2019-03-07 Delos Living Llc Systems, methods and articles for assessing and/or improving health and well-being
WO2020055872A1 (en) 2018-09-14 2020-03-19 Delos Living Llc Systems and methods for air remediation
US11844163B2 (en) 2019-02-26 2023-12-12 Delos Living Llc Method and apparatus for lighting in an office environment
US11898898B2 (en) 2019-03-25 2024-02-13 Delos Living Llc Systems and methods for acoustic monitoring
PL433782A1 (en) * 2020-05-05 2021-11-08 Witkowski Hubert Method of producing a filter, especially with a photocatalytic layer
US12042764B2 (en) 2020-05-11 2024-07-23 Hamilton Sundstrand Corporation Aircraft air management systems for deactivating contaminants
EP3960212B1 (en) * 2020-08-28 2023-10-25 All Consulting S.r.l. Filtering device
IT202100000437A1 (en) * 2021-01-12 2022-07-12 Wippyidea S R L WALLPAPER, MACHINE AND PROCEDURE FOR MAKING IT
US12064850B2 (en) 2021-12-30 2024-08-20 Saint-Gobain Abrasives, Inc. Abrasive articles and methods for forming same

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5180585A (en) * 1991-08-09 1993-01-19 E. I. Du Pont De Nemours And Company Antimicrobial compositions, process for preparing the same and use
JPH06205977A (en) * 1992-09-01 1994-07-26 Toto Ltd Production of photocatalystic composition and photocatalystic composition
EP0937398A1 (en) * 1998-02-19 1999-08-25 Daido Tokushuko Kabushiki Kaisha Antibacterial and deodorant material and method for producing the same
JPH11322524A (en) * 1999-03-10 1999-11-24 Toto Ltd Material having antibacterial activity
JP2001129064A (en) * 1999-11-05 2001-05-15 Showa Alum Corp Assembling type keeping housing having deodorizing function
DE19962055A1 (en) * 1999-12-22 2001-06-28 Iwt Stiftung Inst Fuer Werksto Germicidal photocatalytic coating, e.g. for air conditioners or laboratory benches, comprises an oxide semiconductor material deposited on a substrate by a sol-gel process
EP1205243A1 (en) * 2000-11-09 2002-05-15 Neomat S.A. Preparation of firmly-anchored photocatalitically-active titanium dioxide coating films with non-gelled organic-doped precursors
JP2002320862A (en) * 2001-04-26 2002-11-05 Asahi Kasei Corp Photocatalyst thin film in which metal is supported on titanium oxide thin film
JP2005041771A (en) * 2003-07-04 2005-02-17 Showa Denko Kk Titanium oxide, sol containing titanium oxide, thin film formed from said sol, and method for preparing said sol

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5180585A (en) * 1991-08-09 1993-01-19 E. I. Du Pont De Nemours And Company Antimicrobial compositions, process for preparing the same and use
JPH06205977A (en) * 1992-09-01 1994-07-26 Toto Ltd Production of photocatalystic composition and photocatalystic composition
EP0937398A1 (en) * 1998-02-19 1999-08-25 Daido Tokushuko Kabushiki Kaisha Antibacterial and deodorant material and method for producing the same
JPH11322524A (en) * 1999-03-10 1999-11-24 Toto Ltd Material having antibacterial activity
JP2001129064A (en) * 1999-11-05 2001-05-15 Showa Alum Corp Assembling type keeping housing having deodorizing function
DE19962055A1 (en) * 1999-12-22 2001-06-28 Iwt Stiftung Inst Fuer Werksto Germicidal photocatalytic coating, e.g. for air conditioners or laboratory benches, comprises an oxide semiconductor material deposited on a substrate by a sol-gel process
EP1205243A1 (en) * 2000-11-09 2002-05-15 Neomat S.A. Preparation of firmly-anchored photocatalitically-active titanium dioxide coating films with non-gelled organic-doped precursors
JP2002320862A (en) * 2001-04-26 2002-11-05 Asahi Kasei Corp Photocatalyst thin film in which metal is supported on titanium oxide thin film
JP2005041771A (en) * 2003-07-04 2005-02-17 Showa Denko Kk Titanium oxide, sol containing titanium oxide, thin film formed from said sol, and method for preparing said sol

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7088517B2 (en) 2019-07-18 2022-06-21 株式会社 エコファクトリー Ventilation air conditioning structure and ventilation air conditioning method

Also Published As

Publication number Publication date
ITIS20050002A1 (en) 2007-03-02
WO2007026387A2 (en) 2007-03-08

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