GB2503813A - A portable apparatus for measuring the efficiency of a photocatalyst - Google Patents

A portable apparatus for measuring the efficiency of a photocatalyst Download PDF

Info

Publication number
GB2503813A
GB2503813A GB201312481A GB201312481A GB2503813A GB 2503813 A GB2503813 A GB 2503813A GB 201312481 A GB201312481 A GB 201312481A GB 201312481 A GB201312481 A GB 201312481A GB 2503813 A GB2503813 A GB 2503813A
Authority
GB
United Kingdom
Prior art keywords
photocatalyst
measuring
efficiency
portable apparatus
present
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
GB201312481A
Other versions
GB201312481D0 (en
GB2503813B (en
Inventor
Stephen Lynch
Patrick Nickels
Ahmed A Al-Ghamdi
Abdullah Yousef Obaid
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
King Abdulaziz University
Original Assignee
King Abdulaziz University
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 King Abdulaziz University filed Critical King Abdulaziz University
Publication of GB201312481D0 publication Critical patent/GB201312481D0/en
Publication of GB2503813A publication Critical patent/GB2503813A/en
Application granted granted Critical
Publication of GB2503813B publication Critical patent/GB2503813B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/27—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands using photo-electric detection ; circuits for computing concentration
    • G01N21/272—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands using photo-electric detection ; circuits for computing concentration for following a reaction, e.g. for determining photometrically a reaction rate (photometric cinetic analysis)
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84—Systems specially adapted for particular applications
    • G01N21/85—Investigating moving fluids or granular solids
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/18—Water
    • G01N33/1826—Organic contamination in water

Landscapes

  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Medicinal Chemistry (AREA)
  • Food Science & Technology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Mathematical Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
  • Catalysts (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)

Abstract

The present invention relates to a portable apparatus and methods for measuring the efficiency of a photocatalyst. The invention is also concerned with the use of the apparatus for measuring the efficiency of a photocatalyst and/or to determine the purity of a sample of water. The invention is further concerned with water purification systems comprising the apparatus according to the present invention.
GB1312481.3A 2011-01-17 2011-12-20 A portable apparatus for measuring the efficiency of a photocatalyst Expired - Fee Related GB2503813B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB201100709A GB201100709D0 (en) 2011-01-17 2011-01-17 A portable apparatus for measuring the efficiency of a photocatalyst
PCT/GB2011/052532 WO2012098346A1 (en) 2011-01-17 2011-12-20 A portable apparatus for measuring the efficiency of a photocatalyst

Publications (3)

Publication Number Publication Date
GB201312481D0 GB201312481D0 (en) 2013-08-28
GB2503813A true GB2503813A (en) 2014-01-08
GB2503813B GB2503813B (en) 2016-04-06

Family

ID=43736509

Family Applications (2)

Application Number Title Priority Date Filing Date
GB201100709A Ceased GB201100709D0 (en) 2011-01-17 2011-01-17 A portable apparatus for measuring the efficiency of a photocatalyst
GB1312481.3A Expired - Fee Related GB2503813B (en) 2011-01-17 2011-12-20 A portable apparatus for measuring the efficiency of a photocatalyst

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB201100709A Ceased GB201100709D0 (en) 2011-01-17 2011-01-17 A portable apparatus for measuring the efficiency of a photocatalyst

Country Status (2)

Country Link
GB (2) GB201100709D0 (en)
WO (1) WO2012098346A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9207177B2 (en) * 2012-09-27 2015-12-08 Sensevere, Llc Optical sensor for bromide ion
CN106568723A (en) * 2016-10-31 2017-04-19 华南理工大学 Photocatalysis performance automatic detection system
ES2677144B1 (en) * 2016-12-30 2019-05-30 Consejo Superior Investigacion PORTABLE DEVICE FOR PHOTOCATALYTIC ACTIVITY MEASURE AND PHOTOCATALYTIC ACTIVITY MEASUREMENT PROCEDURE

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4733684A (en) * 1986-12-22 1988-03-29 Texaco Inc. Means and method for testing the homogeneity of a solution
JP2004138387A (en) * 2002-10-15 2004-05-13 Ulvac-Riko Inc Photocatalyst function evaluating apparatus and photocatalyst function evaluation method using the same
TW201009317A (en) * 2008-08-29 2010-03-01 Hon Hai Prec Ind Co Ltd Photocatalyst activity measuring device

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE18005E (en) * 1928-10-29 1931-03-24 Pbogbss oe automatically measuring and apparatus therefor
WO2008003182A1 (en) 2006-07-07 2008-01-10 002134761 Ontario Ltd. Multiple path length transmittance measuring device
CN101655449A (en) 2008-08-20 2010-02-24 鸿富锦精密工业（深圳）有限公司 Device for measuring catalytic performance of photocatalyst

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4733684A (en) * 1986-12-22 1988-03-29 Texaco Inc. Means and method for testing the homogeneity of a solution
JP2004138387A (en) * 2002-10-15 2004-05-13 Ulvac-Riko Inc Photocatalyst function evaluating apparatus and photocatalyst function evaluation method using the same
TW201009317A (en) * 2008-08-29 2010-03-01 Hon Hai Prec Ind Co Ltd Photocatalyst activity measuring device

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
BOZHIDAR I. STEFANOV ET AL: "Novel integrated reactor for evaluation of activity of supported photocatalytic thin films: Case of methylene blue degradation on Ti02 and nickel modified Ti02 under UV and visible light" COLLOIDS AND SURFACES A: PHYSIOCHEMICAL AND ENGINEERING ASPECTS, vol. 382, no. 1-3, *
GUIDONG YANG ET AL: "Preparation of highly visible-ligt active N-doped Ti02 photocatalyst", JOURNAL OF MATERIALS CHEMISTRY, vol. 20, no. 25, 1 January 2010 (2010-01-01), page 5301 *

Also Published As

Publication number Publication date
WO2012098346A1 (en) 2012-07-26
GB201312481D0 (en) 2013-08-28
GB201100709D0 (en) 2011-03-02
GB2503813B (en) 2016-04-06

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20181220