Extraction, Prototype Design for the Process Automation of  Pure Amorphous Silica from Rice Milling Waste (Husk). Lafia Journal of Scientific and Industrial Research, [S. l.], v. 4, n. 1, p. 189–197, 2026. DOI: 10.62050/ljsir2026.v4n1.811. Disponível em: https://lafiascijournals.org.ng/index.php/ljsir/article/view/811.. Acesso em: 25 apr. 2026.