ASMARA, .; KAMILA , .; KAMILA, . OPTIMISATION OF SULFURIC ACID CONCENTRATION FOR ENHANCED FE2+ ION REMOVAL USING ACTIVATED CHARCOAL FROM BOILED PEANUT SHELLS: CHARACTERISATION AND PERFORMANCE EVALUATION . Lingkar: Journal of Environmental Engineering, [S. l.], v. 5, n. 1, p. 10–18, 2024. Disponível em: https://journal.ar-raniry.ac.id/lingkar/article/view/5080. Acesso em: 22 dec. 2024.