Study on the ability to treat methylene blue in water and textile dyeing wastewater from sedge mats of the ZnAlCO3 hydrotalcite modified by Cu2+ ion under visible light. Vietnam j. catal. adsorp. [Internet]. 2023 Sep. 30 [cited 2026 Jul. 28];12(3):29-36. Available from: https://jca.edu.vn/index.php/jca/article/view/2023.044