Potential of biomass residues from oil palm agroindustry in Indonesia Dwi Ermawati Rahayu, Dutarama Nasarani, Wahyono Hadi and Budisantoso Wrjodirjo MATEC Web Conf., 197 (2018) 13008 Published online: 12 September 2018 DOI: 10.1051/matecconf/201819713008