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Movable plates with g-C3N4/TiO2 as a compound system for a greener urban parking lot environment

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Listed:
  • Chao Zeng
  • Mei Deng
  • Hao Qiao
  • Boming Tang
  • Yongjie Ding
  • Xuejuan Cao

Abstract

The application of photocatalyst in pavements has received comprehensive attention in recent years due to its ability to decontaminate nitrogen oxides (NOx). However, it’s remarkable that NOx also accumulated extensively in parking lots. The purpose of this study is to develop a movable photocatalytic plate (remarked photocatalytic KT plates) coupled with high activity to purify NOx. Firstly, the type of photocatalytic KT plates was determined according to NO removal experiment in laboratory. Then the plates were employed in the parking lots for removing NOx. One sample T-test, normality test and paired sample T-test methods for NOx concentration variation were conducted to determine the appropriate comparative means of dates under both dark and illuminated conditions. The difference of NOX concentration between dark and illuminated conditions was obtained to evaluate the photocatalytic removal efficiency. The results indicated that NO removal efficiency in laboratory and parking lots were 51.31% and 9.2%, respectively.

Suggested Citation

  • Chao Zeng & Mei Deng & Hao Qiao & Boming Tang & Yongjie Ding & Xuejuan Cao, 2020. "Movable plates with g-C3N4/TiO2 as a compound system for a greener urban parking lot environment," PLOS ONE, Public Library of Science, vol. 15(4), pages 1-12, April.
    • Handle: RePEc:plo:pone00:0231286
    DOI: 10.1371/journal.pone.0231286
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