List of Articles Peroxydisulfate Open Access Article Abstract Page Full-Text 1 - Removal of Direct Red Dye 23 from Water and Wastewater Using S2O8 Oxidant Activated by UV Irradiation:An Investigation on the Operational Parameters Mohammad Hossein Rasoulifard Mohammad Hossein Alidoust Open Access Article Abstract Page Full-Text 2 - Application of Ultraviolet Light-Emitting Diodes to the Removal of Cefixime Trihydrate from Aqueous Solution in the Presence of Peroxydisulfate Mohammad Hossein Rasoulifard Leila Ghalamch Maryam Aziz Mohammad Reza Eskandarian Negar Sehati Open Access Article Abstract Page Full-Text 3 - Photocatalytic degradation of phenylephrine hydrochloride in aqueous solutions by synthesized SnO2-doped ZnO nanophotocatalyst Masoud Giahi Akram Hoseinpour Dargahi