%0 Journal Article %T Improvement of methane composition utilizing activated carbon adsorption column for biogas purification from food waste %A Lestari, S %A Sriana, T %A Raharjo, M S %A Sudiarte, I N %A Anugrah, M N %J Journal of Physics: Conference Series %V 1517 %N 1 %P 5 %@ 1742-6588 %D 2020-04-01 %~ DeepDyve