List of Articles کربن فعال گرانولی Open Access Article Abstract Page Full-Text 1 - Two-Step Ammonia Nitrogen Removal from Kermanshah Petrochemical Effluent Using Native Bacteria Immobilized on Granular Activated Carbon Mehdi Gowdini hatam godini farhad salimi 10.22034/jest.2018.9426 Open Access Article Abstract Page Full-Text 2 - Performance of granular activated carbon to diazinon removal from aqueous solutions Meghdad Pirsaheb Abdollah Dargahi