Fabrication of bentonite nanosheets from natural bentonite using ultrasonic-assisted liquid phase exfoliation method and its application for adsorptive removal of Methylene Blue from water. Vietnam j. catal. adsorp. [Internet]. 2022 Oct. 30 [cited 2026 Jul. 27];11(3):28-32. Available from: https://jca.edu.vn/index.php/jca/article/view/2022.045