An Analysis on the Effectiveness of Nitrogen Oxide Reduction from Applying Titanium Dioxide on Urban Roads Using a Statistical Method
The purpose of this study was to analyze the effect of titanium dioxide (TiO<sub>2</sub>) on reducing nitrogen oxide (NOx) concentrations using the statistical method of the Anderson-Darling test. To compare and analyze this effect, a spray-type form of TiO<sub>2</sub> was ap...
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| Format: | Article |
| Language: | English |
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MDPI AG
2021-07-01
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| Series: | Atmosphere |
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| Online Access: | https://www.mdpi.com/2073-4433/12/8/972 |
| _version_ | 1797524696975015936 |
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| author | Sang-Hyuk Lee Jong-Won Lee Moon-Kyung Kim Hee-Mun Park |
| author_facet | Sang-Hyuk Lee Jong-Won Lee Moon-Kyung Kim Hee-Mun Park |
| author_sort | Sang-Hyuk Lee |
| collection | DOAJ |
| description | The purpose of this study was to analyze the effect of titanium dioxide (TiO<sub>2</sub>) on reducing nitrogen oxide (NOx) concentrations using the statistical method of the Anderson-Darling test. To compare and analyze this effect, a spray-type form of TiO<sub>2</sub> was applied to the asphalt pavement surface on urban roads. Data acquisition for NOx concentration was collected from a test section with TiO<sub>2</sub> applied and a reference section without TiO<sub>2</sub> applied. The probabilities of occurrence of the NOx concentration in the test and reference section were estimated and compared using the Anderson-Darling test. In sum, most of the NOx concentrations were probabilistically lower in the test section. The average probability of the NOx concentration in the test section in the ‘low’ range was 46.2% higher than in the reference section. In the ‘high’ and ‘moderate’ ranges, the average probability of the NOx concentration compared to that of the reference section was lower by 28.1% and 18.8%, respectively. These results revealed that the photochemical reaction from the TiO<sub>2</sub> material applied on asphalt pavement was effective in reducing NOx. |
| first_indexed | 2024-03-10T09:00:32Z |
| format | Article |
| id | doaj.art-91bca02b33c8474194ad9fbbd6b4a4e3 |
| institution | Directory Open Access Journal |
| issn | 2073-4433 |
| language | English |
| last_indexed | 2024-03-10T09:00:32Z |
| publishDate | 2021-07-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Atmosphere |
| spelling | doaj.art-91bca02b33c8474194ad9fbbd6b4a4e32023-11-22T06:47:11ZengMDPI AGAtmosphere2073-44332021-07-0112897210.3390/atmos12080972An Analysis on the Effectiveness of Nitrogen Oxide Reduction from Applying Titanium Dioxide on Urban Roads Using a Statistical MethodSang-Hyuk Lee0Jong-Won Lee1Moon-Kyung Kim2Hee-Mun Park3Korea Institute of Civil Engineering and Building Technology, Gyeonggi-do 10223, KoreaKorea Institute of Civil Engineering and Building Technology, Gyeonggi-do 10223, KoreaKorea Institute of Civil Engineering and Building Technology, Gyeonggi-do 10223, KoreaKorea Institute of Civil Engineering and Building Technology, Gyeonggi-do 10223, KoreaThe purpose of this study was to analyze the effect of titanium dioxide (TiO<sub>2</sub>) on reducing nitrogen oxide (NOx) concentrations using the statistical method of the Anderson-Darling test. To compare and analyze this effect, a spray-type form of TiO<sub>2</sub> was applied to the asphalt pavement surface on urban roads. Data acquisition for NOx concentration was collected from a test section with TiO<sub>2</sub> applied and a reference section without TiO<sub>2</sub> applied. The probabilities of occurrence of the NOx concentration in the test and reference section were estimated and compared using the Anderson-Darling test. In sum, most of the NOx concentrations were probabilistically lower in the test section. The average probability of the NOx concentration in the test section in the ‘low’ range was 46.2% higher than in the reference section. In the ‘high’ and ‘moderate’ ranges, the average probability of the NOx concentration compared to that of the reference section was lower by 28.1% and 18.8%, respectively. These results revealed that the photochemical reaction from the TiO<sub>2</sub> material applied on asphalt pavement was effective in reducing NOx.https://www.mdpi.com/2073-4433/12/8/972titanium dioxidenitrogen oxide concentrationAnderson-Darling testphotocatalyst |
| spellingShingle | Sang-Hyuk Lee Jong-Won Lee Moon-Kyung Kim Hee-Mun Park An Analysis on the Effectiveness of Nitrogen Oxide Reduction from Applying Titanium Dioxide on Urban Roads Using a Statistical Method Atmosphere titanium dioxide nitrogen oxide concentration Anderson-Darling test photocatalyst |
| title | An Analysis on the Effectiveness of Nitrogen Oxide Reduction from Applying Titanium Dioxide on Urban Roads Using a Statistical Method |
| title_full | An Analysis on the Effectiveness of Nitrogen Oxide Reduction from Applying Titanium Dioxide on Urban Roads Using a Statistical Method |
| title_fullStr | An Analysis on the Effectiveness of Nitrogen Oxide Reduction from Applying Titanium Dioxide on Urban Roads Using a Statistical Method |
| title_full_unstemmed | An Analysis on the Effectiveness of Nitrogen Oxide Reduction from Applying Titanium Dioxide on Urban Roads Using a Statistical Method |
| title_short | An Analysis on the Effectiveness of Nitrogen Oxide Reduction from Applying Titanium Dioxide on Urban Roads Using a Statistical Method |
| title_sort | analysis on the effectiveness of nitrogen oxide reduction from applying titanium dioxide on urban roads using a statistical method |
| topic | titanium dioxide nitrogen oxide concentration Anderson-Darling test photocatalyst |
| url | https://www.mdpi.com/2073-4433/12/8/972 |
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