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The effect of TiO2 nanoparticles in reduction of environmental pollution in concrete structures

机译：TiO2纳米粒子在减少混凝土结构环境污染中的作用

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摘要

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
机译：非均相光催化在环境工程领域迅速发展。它具有解决日益严重的交通污染的良好潜力。在普通的建筑材料（例如水泥和混凝土）中添加光催化剂可以使环保材料免受空气污染。 TiO2纳米颗粒是用于减少废气对空气污染影响的混凝土结构的好项目。具体而言，本文通过实验测试研究了NOx向NO3-的转化，并研究了TiO2纳米颗粒与混凝土的相互作用。本文概述了光催化原理及其与水泥结合的应用，以及实验室研究的结果，特别是对空气净化作用的研究。此外，通过分析模型，研究了TiO2纳米粒子对混凝土刚度的影响。结果表明，TiO2纳米颗粒对减少环境污染和提高混凝土结构的刚度具有显著作用。

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