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Photocatalytic Concrete

  • Baoguo HanEmail author
  • Liqing Zhang
  • Jinping Ou
Chapter
  • 1.6k Downloads

Abstract

Photocatalytic concrete has the capability to realize air depollution, self-cleaning, and self-disinfecting. It is fabricated by adding photocatalyst into conventional concrete, and the most appropriate photocatalyst to fabricate photocatalytic concrete is TiO2. The photocatalytic reaction can occur under the light when energy is higher than the photocatalyst band gap. The formed highly oxidizing hydroxyl radicals can react with contaminants and produce carbon dioxide, water, or other harmless substances. The decomposed pollutants can be taken away by wind or rain to achieve the function of air depollution and self-cleaning. The photocatalytic concrete has great potential in the field of degradation of pollutants, deodorization, sterilization, and energy conservation.

Keywords

Concrete Photocatalysis TiO2 Air purification Self-cleaning Self-disinfecting 

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Copyright information

© Springer Nature Singapore Pte Ltd. 2017

Authors and Affiliations

  1. 1.School of Civil EngineeringDalian University of TechnologyDalianChina
  2. 2.School of Civil EngineeringHarbin Institute of TechnologyHarbinChina

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