Fabrication of activated carbon from polyethylene terephthalate plastic waste (PET) and their application for the removal of organic dyes in aqueous solution. Vietnam j. catal. adsorp. [Internet]. 2022 Jul. 30 [cited 2026 Jul. 28];11(2):21-8. Available from: https://jca.edu.vn/index.php/jca/article/view/2022.024