Reactivated Spent Bleaching Earth as a New Path in Waste Resource Utilization for the Crude Palm Oil Bleaching ProcessRenita Manurung, Siti Maisarah, Hamidah Harahap, Sri Zahrani Dwi Mauliyah Parinduri and Andre PranataE3S Web Conf., 560 (2024) 01005DOI: https://doi.org/10.1051/e3sconf/202456001005