List of Articles منعقدکننده Open Access Article Abstract Page Full-Text 1 - Coagulant recovery from waterworks sludge by acid digestion method S Elaheh Mahdavian Ahagh Fariba Ostovar 10.29252/.3.4.31 Open Access Article Abstract Page Full-Text 2 - - zohre taherkhani Open Access Article Abstract Page Full-Text 3 - Evaluation of the Performance of Broad Bean (Vicia faba) as a Natural Coagulant in Reducing COD, TSS, NH₄, and TP in Septage Seyedeh Fatemeh Mousavi Leila ooshaksaraie Fatemeh Shariati Fariba Safa Hassan Karimzadegan Karimzadegan