List of Articles Biological treatment Open Access Article Abstract Page Full-Text 1 - Biological Treatment Acid Mine Drainage of Copper Mine of Sarcheshmeh Industry through SBR (Sequencing Batch Reactors) System Reza Marandi Mohammad Javad Ebranimi Zarandi Open Access Article Abstract Page Full-Text 2 - Methane Production from Municipal Solid Waste in Langroud City Abdorreza Karbasi Seied Masoud Monavari Alireza Soltani Open Access Article Abstract Page Full-Text 3 - Fabrication and Evaluation of anaerobic baffle reactor for leachate treatment of Sari province Amin Arvin majid peyravi Mohsen Jahanshahi 10.22034/jest.2017.11076 Open Access Article Abstract Page Full-Text 4 - Optimization of effective parameters in the biological treatment of heavy metals (Nickel, Copper) using sequencing batch reactors (SBRS) Morteza Khosravi Mohammad Rabani Mohammad Reza Allahgholi Ghasri Mohammad Javad Ebrahimi Zarandi