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Advances in Concrete Construction   Volume 7, Number 2, April 2019, pages 127-129
The effect of TiO2 nanoparticles in reduction of environmental pollution in concrete structures
Javad Tabatabaei

Abstract     [Full Text]
    Heterogeneous photocatalysis is developed rapidly in the field of engineering of environmental. It has a good potential to tackle with the enhancing traffic pollution. Adding photocatalyst to usual building materials such as cement and concrete makes friendly environmental materials against the air pollution. TiO2 nanoparticles are a good item for concrete structures for diminishing the air polluting affect by gasses of exhaust. In specific, the transformation of NOx to NO3- is studied and the interaction of TiO2 nanoparticles and concrete is investigated here by experimental test. This paper presents an overview of the principle of photocatalysis and the application in combination with cement, as well as the results of the laboratory research, especially towards air purifying action. In addition, by the analytical models, the influence of TiO2 nanoparticles is studied on the stiffness of the concrete. The Results show that TiO2 nanoparticles have significant effect on the reduction of environmental pollution and increase of stiffness in the concrete structures
Key Words
    TiO2 nanoparticles; concrete structures; environmental pollution; stiffness
Javad Tabatabaei and Leila Gorji: Department of petroleum and geology, Meymeh branch, Islamic Azad University, Meymeh, Iran

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