sirris smart coating workshop - easy-to-clean and self cleaning coatings - 19 may 2011 -...

Sirris-Workshop

Smart Coating Application Lab

May, 19th 2011 Diepenbeek/B

Dr. Stephan Blöß, GMPS Sirris-Workshop; Diepenbeek/B 19.05.2011

Overview

CleanClean

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Definition of Photocatalysis

PHOTO

Greek: photos = Light

Radiation = Part of the electromagnetic spectra = Form of Energy

Ultra-violet radiation (< 380 nm)Visible light (380 740 nm)Infrared radiation (> 740 nm)

CATALYSIS

Greek: katalysis = Abolishmenta compound which changes the parameters of a chemical reaction (starting energy) without being wasted during this reaction

=> Works as a kind of docking station for reactions and can be used infinite times

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(UV)-Photocatalysts KRONOClean 7050

H2O

HO

O2

HO2

CO2

H2O

Pollutant

5

IR

VisUV


(UV)-Photocatalysts KRONOClean 7050

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IR

Vis


KRONOClean 7000 - a Carbon-doped TiO2

Material Band Gap

(eV)

Cut-off Wavelength

(nm)

Anatase (Eg(A)) 3.20 388

Rutile (Eg(R)) 3.00 413

C-doped Anatase (Eg(C))

2.32 535

CB

VB

Eg(A)Eg(C)

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(UV+Vis)-Photocatalysts KRONOClean 7000

H2O

HO

O2

HO2

CO2

H2O

Pollutant

9

IR

VisUV


(UV+Vis)-Photocatalysts KRONOClean 7000

H2O

HO

O2

HO2

CO2

H2O

Pollutant

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IR

Vis


Basic Properties of KRONOClean 7000

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Solid or Liquid Form of KRONOClean 7000

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Tran

spar

ency

Dispersing Time


Indoor Application Degradation of Smoke

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Outdoor Application Activation Period

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Degradation of NOx and Soiling

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Measurement Setup

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Glass-Plate

Sample

Support

Light-Source Light-Source

Gas-Flow

Side-View Top-View

comparable to JIS R 1701-1:2004; ISO 22197-1

gas flow rate of 3L/min

accumulated with 1ppm NO

Light-Source: 1mW/m² UV(A) or 1700 Lux Vis


NO-Degradation during Irradiation

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UV

Vis

Irradiation time [s]

Irradiation time [s] Irradiation time [s]

Irradiation time [s]

KRONOClean 7050 KRONOClean 7000


Standardized Measurements

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ISO 22197-1:2007 Test method for air-purification Removal of nitrogen oxide

ISO 22197-2:2011 Test method for air-purification Removal of acetaldehyde

ISO/TC 206/WG 37


History of DIN-TC Photocatalysis

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NA 062-02-93 AA (Part of NMP)Constituted in May 2004 with 8 Members15. Meeting in March 2011 with 16 Members

Ad-hoc Group 1 (Terminologie Terminology)AK 2 (Gasreinigung Air Purification) 4 MeetingsAK 3 (Wasserreinigung Water Purification) 4 MeetingsAK 4 (Selbstreinigung Self Cleaning) 4 MeetingsAK 6 (Lichtquellen Light Sources) 7 Meetings

Ad-hoc Group 2 (biologische Fragestellungen Microbial Effects)

Next Meeting: 18.Next Meeting: 18.--19.10.2011 Berlin19.10.2011 Berlin


History of CEN-TC Photocatalysis

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CEN TC 386Constituted in November 2008 with 12 Members3. Meeting in June 2010 with 16 Members

WG 1 (Terminology) 1 MeetingWG 2 (Air cleaning) 6 MeetingsWG 3 (Water treatmant)WG 4 (Self cleaning) 3 Meetings

WG 6 (Light sources) 4 MeetingsWG 7 (New Technologies) 2 Meetings

Next Meetings: 27.Next Meetings: 27.--29.06.2011 Berlin29.06.2011 Berlin


Published ISO-Standards

ISO 22197-1:2007 Test method for air-purification performance of semiconducting photocatalytic materials - Part 1: removal of nitric oxide

ISO 27447:2009 Test method for antibacterial activity of semiconducting photocatalytic materials

ISO 27448:2009 Test method for self-cleaning performance of semiconducting photocatalytic materials - Measurement of water contact angle

ISO 10676:2010 Test method for water purification performance of semiconducting photocatalytic materials by measurement of forming ability of active oxygen

ISO 10678:2010 Determination of photocatalytic activity of surfaces in an aqueous medium by degradation of methylene blue

DIN 52980:2008 Bestimmung der photokatalytischen Aktivität durch Abbau von Methylenblau

ISO 22197-2:2011 Fine ceramics (advanced ceramics, advanced technical ceramics) -Test method for air-purification performance of semiconducting photocatalytic materials - Part 2: Removal of acetaldehyde

ISO 22197-3:2011 Fine ceramics (advanced ceramics, advanced technical ceramics) -Test method for air-purification performance of semiconducting photocatalytic materials - Part 3: Removal of toluene

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ISO-Standards in Preparation

ISO/FDIS 10677 Fine ceramics (advanced ceramics, advanced technical ceramics) -Ultraviolet light source for testing semiconducting photocatalytic materials

ISO/CD 22197-4 Fine ceramics (advanced ceramics, advanced technical ceramics) -Test method for air-purification performance of semiconducting photocatalytic materials - Part 4: Removal of formaldehyde

ISO/CD 22197-5 Fine ceramics (advanced ceramics, advanced technical ceramics) -Test method for air-purification performance of semiconducting photocatalytic materials - Part 5: Removal of methyl mercaptan

ISO/CD 13125 Fine ceramics (advanced ceramics, advanced technical ceramics) - Test method for antifungal activity of semiconducting photocatalytic materials

ISO/CD14605 Fine ceramics (advanced ceramics, advanced technical ceramics) - Visible light source for testing semiconducting photocatalytic materials

NWIP Fine ceramics (advanced ceramics, advanced technical ceramics) - Test method for air-purification performance of semiconducting photocatalytic materials - Part 6: Removal of formaldehyde under indoor lighting condition by test chamber method

NWIP Fine ceramics (advanced ceramics, advanced technical ceramics) - Test method for antibacterial activiy of

semiconducting photocatalytic materials under indoor lighting environment

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Federations on Photocatalysis

German Federation for applied Photocatalysisfounded in 2011

Fédération Française de la Photocatalysefounded in 2006

European Photocatalysis Federationfounded in 2009

European-Japanese Initiative on Photocatalysis Application and Commercializationfounded in 2004

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EPF - EUROPEAN PHOTOCATALYSIS FEDERATION

BE INVOLVED IN TOMORROW S MARKET DEVELOPMENTS

[email protected]

FOR YOU, OUR MAIN OBJECTIVES ARE :

Identification of all Players in the Field of Photocatalysis

Inventory of Photocatalysis - related Trades

Calling all the available Talents (Manufacturers, Engineers, Scientists, Environment Professionals orUsers ) and pursue Photocatalysis Development together

Definition and draw up of a Professional Code

Contribution to Standards and Tests of Photocatalytic Systems

Representation of the Interests of Members at an International Level,

Publication of White Papers on Specific Questions,

Relations with other Organizations for the Development of Photocatalysis,

Support of Key Research Projects for Development of Photocatalysis

Since 2006

Pencil next JEP : Bordeaux 28th - 29th September 2011

http://www.efp-fep.com

sirris smart coating workshop - easy-to-clean and self cleaning coatings - 19 may 2011 -...

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