Obtaining mullite from kaolin waste through thermal treatment in conventional oven. Research, Society and Development, [S. l.], v. 10, n. 12, p. e283101220653, 2021. DOI: 10.33448/rsd-v10i12.20653. Disponível em: https://www.rsdjournal.org/rsd/article/view/20653. Acesso em: 5 dec. 2025.