List of Articles Spent catalyst Open Access Article Abstract Page Full-Text 1 - Kinetics of Nickel Leaching from Spent Catalyst in Nitric Acid Solution Saeid Gitipour Fatemeh Akbar Pour Saeid Firouzbakht 10.22034/jest.2019.26956.3592 Open Access Article Abstract Page Full-Text 2 - Recycling the Spent Catalysts of Claus Unit in Natural Gas Refineries and Their Application for Synthesis of Composite Adsorbents Coated by Polypyrrole for the removal of lead ions Nima Fallah Tayebeh Johari mohammad Toosi mohammad hasan Peyrovi 10.22034/jest.2020.33711.4133 Open Access Article Abstract Page Full-Text 3 - Laboratory Investigation of Factors Influencing Concrete Corrosion in Marine Conditions and the Effect of Petrochemical Industry Waste By Products on Concrete Durability Saman Akaber Abdolkarim Abbasi Dezfouli 10.71507/civil.2025.1218679