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THE EFFECT OF TIO2 ON THE PROPERTIES OF CEMENTIOUS COMPOSITE MATERIALS -THE CURRENT STATE-OF-THE ART

Andreea Hegyi

First published: 2018-06-20https://doi.org/10.5593/sgem2018/6.3/s26.051View metrics

Abstract

Nowadays, raised awareness about the importance of sustainability and also the environmental impact of using concrete in the construction industry has led to numerous studies on how to create an environmental friendly material, with self-cleaning properties and how to possibly use it in urban areas and to ensure a cleaner environment and reduce maintenance costs. Nitrogen oxide (NOx) is the air pollutant which is directly responsible for the air pollution due to smog, smoke, vehicle emission, etc. The self cleaning process of concrete can be obtained by oxidizing the NOx gases into powdered or dust like particles by using the UV rays from the sun as resource and using a photocatalytic substance in order to obtain that effect. Self-cleaning concrete is a special material because the technology of producing it can only be applied by incorporating TiO2 into photocatalytic coatings for concrete specimens. When sunlight hits the surfaces most of the organic and inorganic pollutants are neutralized. This can lead to a higher level of cleanliness of the buildings surfaces and the surrounding air pollution can be drastically reduced. The aim of this paper is to briefly review the self-cleaning concrete, to present the main principles on which self-cleaning concrete is based and also to present it current applications.

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Publication details

Title
THE EFFECT OF TIO2 ON THE PROPERTIES OF CEMENTIOUS COMPOSITE MATERIALS -THE CURRENT STATE-OF-THE ART
Authors
Andreea Hegyi
Proceedings
SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 18th International Multidisciplinary Scientific GeoConference SGEM2018, Nano, Bio and Green - Technologies for a Sustainable Future
Publisher
STEF92 Technology
Year
2018
Pages
391-398
SWS Citekey
Hegyi201826391398
ISSN
1314-2704
ISBN
978-619-7408-52-2
Language
en
Publication type
Conference Paper
Keywords
self-cleaningenvironment friendlysustainability
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