Dynamics of Adsorption and Oxidation of Organic Molecules on Illuminated Titanium Dioxide Particles Immersed in Water

  • Miguel A. Blesa
  • Roberto J. Candal
  • Sara A. Bilmes
Chapter
Part of the Surface and Colloid Science book series (SACS, volume 17)

Abstract

The attempts to develop heterogeneous photocatalytic procedures to destroy organic pollutants in water(l-5) have prompted the need to understand the impact of adsorption on photo-oxidation rates. A traditional approach has been to use Langmuir-Hinshelwood (L-H) kinetic schemes to describe the data,(6-9) although in some cases the validity of this point of view has been analyzed.(10) Without any theoretical justification, L-H equation describes adequately even the time evolution of residual total organic carbon (TOC), in solutions containing a very complex mixture of pollutants and their degradation products(11-13)

Keywords

Titanium Dioxide Manifold Recombination Catalysis 

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Copyright information

© Springer Science+Business Media New York 2004

Authors and Affiliations

  • Miguel A. Blesa
    • 1
    • 2
  • Roberto J. Candal
    • 3
  • Sara A. Bilmes
    • 3
  1. 1.Unidad de Actividad Química, Centro Atómico ConstituyentesArgentina
  2. 2.Escuela de Posgrado, Universidad Nacional de General San MartinArgentina
  3. 3.INQUIMAE, Facultad de Ciencias Exactas y Naturales Universidad de Buenos Aires, Ciudad UniversitariaBuenos AiresArgentina

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