The NO<sub>x</sub> Degradation Performance of Nano-TiO<sub>2</sub> Coating for Asphalt Pavement

The NO<sub>x</sub> Degradation Performance of Nano-TiO<sub>2</sub> Coating for Asphalt Pavement

The NO<sub>x</sub> degradation performance of nano-TiO<sub>2</sub> as a coating material for the road environment was evaluated in this research. The nano-TiO<sub>2</sub> coating materials for both road surface and roadside were prepared by using anatase nano-TiO&...

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Main Authors: Huanan Yu, Wan Dai, Guoping Qian, Xiangbing Gong, Dayao Zhou, Xi Li, Xinglin Zhou
Format: Article
Language:English
Published: MDPI AG 2020-05-01
Series:Nanomaterials
Subjects:
pavement coating
photocatalytic material
NO<sub>x</sub> degradation
silane coupling agent
Online Access:https://www.mdpi.com/2079-4991/10/5/897
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spelling doaj-7a3b6311107b4550b1e0c11b53ee3c312020-11-25T02:04:33ZengMDPI AGNanomaterials2079-49912020-05-011089789710.3390/nano10050897The NO<sub>x</sub> Degradation Performance of Nano-TiO<sub>2</sub> Coating for Asphalt PavementHuanan Yu0Wan Dai1Guoping Qian2Xiangbing Gong3Dayao Zhou4Xi Li5Xinglin Zhou6National Engineering Laboratory for Highway Maintenance Technology, Changsha University of Science & Technology, Changsha 410114, ChinaSchool of Traffic and Transportation Engineering, Changsha University of Science & Technology, Changsha 410114, ChinaNational Engineering Laboratory for Highway Maintenance Technology, Changsha University of Science & Technology, Changsha 410114, ChinaNational Engineering Laboratory for Highway Maintenance Technology, Changsha University of Science & Technology, Changsha 410114, ChinaGuangdong Communication Planning & Design Institute Co., Ltd, Guangzhou 510507, ChinaNational Engineering Laboratory for Highway Maintenance Technology, Changsha University of Science & Technology, Changsha 410114, ChinaAutomobile and Traffic Engineering, Wuhan University of Science and Technology, Wuhan 430081, ChinaThe NO<sub>x</sub> degradation performance of nano-TiO<sub>2</sub> as a coating material for the road environment was evaluated in this research. The nano-TiO<sub>2</sub> coating materials for both road surface and roadside were prepared by using anatase nano-TiO<sub>2</sub>, activated carbon powder, silane coupling agent and deionized water. The impact of varying amounts of coating material and silane coupling agent were evaluated. The road environment of NO<sub>x</sub> degradation was simulated by the photocatalytic test system designed by the research team. For the road surface coating, the photocatalytic degradation experiments of NO under different radiation intensities were carried out. The results show that the material has good photocatalytic degradation performance, and the proper amount of silane coupling agent can enhance the bonding performance of the material and asphalt mixture. For the roadside coating, sodium dodecylbenzene sulfonate was selected as the surfactant to carry out the photocatalytic degradation experiment of NO<sub>2</sub> with different dosages of surfactant. The results showed that when the mass ratio of nano-TiO<sub>2</sub> and surfactant was about 1:2, the catalytic degradation effect of the material was the best.https://www.mdpi.com/2079-4991/10/5/897pavement coatingphotocatalytic materialNO<sub>x</sub> degradationsilane coupling agent
collection DOAJ
language English
format Article
sources DOAJ
author Huanan Yu
Wan Dai
Guoping Qian
Xiangbing Gong
Dayao Zhou
Xi Li
Xinglin Zhou
spellingShingle Huanan Yu
Wan Dai
Guoping Qian
Xiangbing Gong
Dayao Zhou
Xi Li
Xinglin Zhou
The NO<sub>x</sub> Degradation Performance of Nano-TiO<sub>2</sub> Coating for Asphalt Pavement
Nanomaterials
pavement coating
photocatalytic material
NO<sub>x</sub> degradation
silane coupling agent
author_facet Huanan Yu
Wan Dai
Guoping Qian
Xiangbing Gong
Dayao Zhou
Xi Li
Xinglin Zhou
author_sort Huanan Yu
title The NO<sub>x</sub> Degradation Performance of Nano-TiO<sub>2</sub> Coating for Asphalt Pavement
title_short The NO<sub>x</sub> Degradation Performance of Nano-TiO<sub>2</sub> Coating for Asphalt Pavement
title_full The NO<sub>x</sub> Degradation Performance of Nano-TiO<sub>2</sub> Coating for Asphalt Pavement
title_fullStr The NO<sub>x</sub> Degradation Performance of Nano-TiO<sub>2</sub> Coating for Asphalt Pavement
title_full_unstemmed The NO<sub>x</sub> Degradation Performance of Nano-TiO<sub>2</sub> Coating for Asphalt Pavement
title_sort no<sub>x</sub> degradation performance of nano-tio<sub>2</sub> coating for asphalt pavement
publisher MDPI AG
series Nanomaterials
issn 2079-4991
publishDate 2020-05-01
description The NO<sub>x</sub> degradation performance of nano-TiO<sub>2</sub> as a coating material for the road environment was evaluated in this research. The nano-TiO<sub>2</sub> coating materials for both road surface and roadside were prepared by using anatase nano-TiO<sub>2</sub>, activated carbon powder, silane coupling agent and deionized water. The impact of varying amounts of coating material and silane coupling agent were evaluated. The road environment of NO<sub>x</sub> degradation was simulated by the photocatalytic test system designed by the research team. For the road surface coating, the photocatalytic degradation experiments of NO under different radiation intensities were carried out. The results show that the material has good photocatalytic degradation performance, and the proper amount of silane coupling agent can enhance the bonding performance of the material and asphalt mixture. For the roadside coating, sodium dodecylbenzene sulfonate was selected as the surfactant to carry out the photocatalytic degradation experiment of NO<sub>2</sub> with different dosages of surfactant. The results showed that when the mass ratio of nano-TiO<sub>2</sub> and surfactant was about 1:2, the catalytic degradation effect of the material was the best.
topic pavement coating
photocatalytic material
NO<sub>x</sub> degradation
silane coupling agent
url https://www.mdpi.com/2079-4991/10/5/897
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