Efficient adsorption of sulfate on a Mg6Al2(CO3)(OH)16·4H2O layered double hydroxide and chitosan composite synthesized from crustacean waste. - Pessanha, Maria Luiza Gomes Soares; Pessanha, Otávio Barreto; Serafim, Maria Luiza Monteiro; Rabelo, Pedro Henrique Fonseca; Ribeiro, Nathália Isidoro; Guimarães, Damaris (Brazilian Journal of Chemical Engineering, 2026)