ISMI KHAIRUNNISSA ARIANI; RINA NOOR HAYATI; RIZA HUDAYARIZKA; CUT KEUMALA BANAGET; KRISMA NABILLA. Application of Mixed Pineapple Peel and Papaya Seed Extracts as a Biocoagulant for Reducing Fe, Mn, and Turbidity in Acid Mine Drainage Using the Jar Test Method. SPECTA Journal of Technology, [S. l.], v. 9, n. 3, p. 291–302, 2025. DOI: 10.35718/specta.v9i3.8481486. Disponível em: https://journal.itk.ac.id/index.php/sjt/article/view/8481486. Acesso em: 8 jan. 2026.