Durable photocatalytic coating
Nano-TiO2 is cold-sprayed onto high-strength pervious concrete, forming a robust coating that resists seepage scouring and tire abrasion for durable NOx removal.
Jiang, Xunli · Lu, Jianxin · Luo, Xue · Leng, Zhen · Poon, Chi-Sun
Cement and Concrete Composites 2025
NO removal efficiency increased with higher nano-TiO2 dosage
NOx degradation efficiency increased with higher A/B ratio
Coating resistance to seepage scouring and tire abrasion significantly improved
Cold-sprayed coating showed significantly better durability than traditional brushing