Treatment of hazardous waste landfill leachate using Fenton oxidation process Pradeep Kumar Singa, Mohamed Hasnain Isa, Yeek-Chia Ho and Jun-Wei Lim E3S Web Conf., 34 (2018) 02034 Published online: 19 March 2018 DOI: 10.1051/e3sconf/20183402034