List of Articles Wastewater treatment Plant Open Access Article Abstract Page Full-Text 1 - Study of Different Utilization of Arak Urban Wastewater Using the Analytic Hierarchy Process رضا جعفری نیا جواد وروانی مهدی فولادی پناه Open Access Article Abstract Page Full-Text 2 - Use of activated carbon powder in activated sludge technology to investigate the effect of wastewater treatment Petrochemical industry on a laboratory scale for water purification محمد رضا فرشادی روحالله مختاران جواد احدیان