List of Articles Kinetic coefficients Open Access Article Abstract Page Full-Text 1 - Evaluating the performance of extended aeration process in treatment of hospital wastewater and determining its kinetic coefficients- Case study: Wastewater Treatment Plant of Quds Hospital in Sanandaj Meghdad Pirsaheb Abdollah Dargahi AliAkbar Zinatizadeh Razieh Khamutian Mojgan Mashirpanahi Hafez Golestanifar Open Access Article Abstract Page Full-Text 2 - Comparison of kinetics and biological reaction coefficients of carbon, nitrogen and phosphorus removal in hot and cold seasons of the year in the southeast sewage treatment plant of Tehran province by activated sludge method ELAHE Shaban jamaldeh Amir Hessam Hassani Seyyedeh Hoda Rahmati