STUDY OF THE SEPARATION PROCESS OF INSOLUBLE RESIDUES IN THE NITRIC ACID PROCESSING OF SLUDGE WASTE FROM A SODA PLANT. E Conference Zone, [S. l.], p. 1–2, 2025. Disponível em: https://econferencezone.org/index.php/ecz/article/view/3047. Acesso em: 30 jan. 2026.