RAHMAN, Arief; NISAH, Khairun; NAUFAL FAWWAZ, Atha. PERFORMANCE OF SPENT COFFEE GROUNDS ACTIVATED CARBON AND RIVER SAND AS FILTRATION MEDIA FOR TOTAL SUSPENDED SOLIDS REMOVAL IN ABATTOIR WASTEWATER TREATMENT . Lingkar: Journal of Environmental Engineering, [S. l.], v. 7, n. 1, 2026. DOI: 10.22373/ljee.v7i1.10322. Disponível em: https://journal.ar-raniry.ac.id/index.php/lingkar/article/view/10322. Acesso em: 5 sep. 2026.