List of Articles activated alumina Open Access Article Abstract Page Full-Text 1 - 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 2 - Removal of Heavy Metals (Lead and Nickel) from Water Sources by Adsorption of Activated Alumina Fereshteh Ghomi Avili 10.22034/ap.2021.1924099.1095