Utami, L.I. , Rizaldi, T.S. , Wahyusi, K.N. and Nugraha, R.E. 2023. The Utilization of Lapindo Mud Waste for Aluminium Sulfate Production. International Journal of Eco-Innovation in Science and Engineering (IJEISE). 2, 2 (Sep. 2023). DOI:https://doi.org/10.33005/ijeise.v2i02.40.