Treatment of 2-diazo-4, 6-dinitrophenol (DDNP) wastewater using TiO2/SiO2 composite film in new photocatalytic reactor - Shen, Rongyan; Liu, Fang; Li, Te; Xu, Xia; Liang, Yuting; Zhao, Xingqing; Zhang, Wenyi (Chemical Industry and Chemical Engineering Quarterly, 2015)