Hanif Fathur Rahman, Khuzaimah S, Arnesya Ramadhani. Utilization of H₂SO₄ Activated PDAM Sludge as an Adsorbent with Alum Addition for Reducing COD and BOD in Batik Wastewater from Kutawaru, Cilacap. J. ilm. Teknik. Kimia [Internet]. 2026 Jul. 14 [cited 2026 Sep. 5];10(2):101-9. Available from: https://openjournal.unpam.ac.id/index.php/JITK/article/view/58425