This study presents the effects of different activation methods to produce activated carbon from hydrolysis lignin. Pretreatment feedstock with common mineral acids (HCL, HNO3, and H3PO4), steam rates for physical activation, chemical activating agents (ZnCl2, Na2CO3, KOH) were investigated. The pretreated biomass was carbonized in one-stage process surface characteristics, such as total pore v...