Evaluation results of the nitrogen oxide reduction effect of photocatalytic concrete in Banpo Underground Road Tunnel. (IMAGE)

National Research Council of Science & Technology

Evaluation results of the nitrogen oxide reduction effect of photocatalytic concrete in Banpo Underground Road Tunnel.

Caption

The NOx concentration level decreased by approximately 18% 24 hours after the application of the photocatalytic concrete. This data represents the average value of the entire measurement period (2022.12.14. ~ 2023.01.12., 4 weeks).

Credit

Korea Institute of Civil Engineering and Building Technology

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