List of articles (by subject) BIotecnology 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 - Biosorption of Mn (II) and Removal of Reactive Black B by Combined Biosorption-U/H2O2 Processesin Unit Reactor from Wastewater rana khalilnezhad reza marandi Morteza Khosravi 10.22034/jest.2020.24750.3381 Open Access Article Abstract Page Full-Text 3 - Investigation on Application of Simultaneous UV Irradiation Ultrafiltration of Extracellular Polymeric Substances Extracted from Membrane Bioreactor and Its Effect on PVDF/TiO2 Membrane Mitigation Maryam Tavakolmoghadam Seyed Mohammad Ali Safavi 10.22034/jest.2019.26449.3549 Open Access Article Abstract Page Full-Text 4 - Improving Optical Fastness of Wool Yarn Dyed with Natural Dyes Prangos Ferulaceae by Rosemary Extract with an Emphasis on Environmentally Friendly Approach Akhtaralsadat mousavi ahmad akbari hassan khatami 10.30495/jest.2021.11202 Open Access Article Abstract Page Full-Text 5 - Enhancing the efficiency of modified polypropylene fumarate (PPF) membrane by graphene oxide / pluronic F68 additive for wastewater treatment of ceramic factories ehsan ghorban nejad ali arasteh nodeh susan khosroyar mahmoodreza khadangi 10.30495/jest.2023.60558.5380 Open Access Article Abstract Page Full-Text 6 - Studying the effect of beta-cyclodextrin natural polymer for improving dyeing condition and reduction of environmental pollution akhtar mousavi ahmad akbari seyed kazem mousavi 10.30495/jest.2023.76836.5964