Batik Waste Degradation Using Heterogeneous Fenton Method Using Catalysts To Reduce Environmental PollutionPita Adis Hernanda, Ida Sriyana, Sandhy Auliya Ma’arief and Shinta AmeliaE3S Web Conf., 481 (2024) 03002DOI: https://doi.org/10.1051/e3sconf/202448103002