DUC, Nguyen Duc Dat; THANH, Le Minh; PHONG, Nguyen Tan. Manuscript belongs to the Forum Reusing sludge from surface water treatment plant for hexavalent chromium adsorption in aqueous solution. <b>Vietnam Journal of Science and Technology</b>, Hanoi, VN, v. 60, n. 6, p. 1098–1110, 2022. DOI: 10.15625/2525-2518/16463. Disponível em: https://vjs.ac.vn/jst/article/view/16463. Acesso em: 10 jan. 2026.