What is it about?
Volatile organic compounds (VOC) generated from various sources like car combustion is one of the most surrounding pollutants, which can be transferred from one form to another in the presence of sunlight. In the present work the ability of the reduction of VOC have been conducted on cementitious samples surfaces by using toluene as a pollutant gas and TiO2 as an environmentally friendly photocatalyst .
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Why is it important?
A laboratory test procedure was adopted to assess the performance of the coated specimens. The specimens were subjected to toluene gas and there efficiency in gas removal was monitored with time. Furthermore, contact angle for the coated samples was also examined to investigate the hydrophilicity of the coated substrate. The results showed that TiO2 give high activity and work as a good photocatalyst for mitigation of air pollutants, and that it could be used in different ways and concentrations to obtain better air quality and aesthetic building appearance.
Perspectives
Coating cementitious materials with an-aqueous solution contains nano titanium-dioxide was effective in reducing toluene concentration.
Dr. Maan S Hassan
University of Technology, Baghdad, Iraq
Read the Original
This page is a summary of: Toluene concentrations reduction by using photocatalytic coating methods for cementitious materials, MATEC Web of Conferences, January 2018, EDP Sciences,
DOI: 10.1051/matecconf/201816205003.
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