List of Articles منعقدکننده Open Access Article Abstract Page Full-Text 1 - Investigation of Coagulation and Clotting Process of Purge of Environmental Pollutants of Paper Mill’s Wastewater noshin birjandi Habibollah Yonesi Nader Bahramifar Mojtaba hadavifar Open Access Article Abstract Page Full-Text 2 - Comparing the performance of polyaluminum chloride and ferric chloride coagulants in removing biological agents and determining raw water turbidity by spectrophotometric method نوشین اصول دینی سعید صادقیان محمد عبدالله زاده