List of Articles تصفیه فتوکاتالیستی Open Access Article Abstract Page Full-Text 1 - Feasibility Study of Denitrification of Drinking Water Using Photocatalytic Substrate over Ultra-High Performance Concrete Sama Tajasosi Jalil Barandoust Ramazan Vagheei Fariba Ostovar saeed poorkareem Open Access Article Abstract Page Full-Text 2 - ZnO Nanoparticles Embedded in Chitosan Hydrogels for Enhanced Photocatalytic Wastewater Treatment Elham Khalaj Karimi Ahdieh Amjadi