Thi ND. Evaluating the Removal of Hexavalent Chromium (Cr -VI) in Wastewater by Low-Cost Adsorbent Modified from Waste Fly Ash. Chemical Engineering Transactions [Internet]. 15Dec.2021 [cited 19Apr.2024];89:547-52. Available from: https://www.cetjournal.it/index.php/cet/article/view/CET2189092