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Activated carbon used as natural gas storage in adsorbed natural gas technology due to physical adsorption properties. Pineapple crown was used as raw material for activated carbon by reason of high lignocellulose content. The purpose of this study is to produce high surface area of activated carbon with high carbon composition (up to 80% weight). Activated carbon were prepared through chemical activation using KOH with various weight ratio and physical activation using N2 with 150 ml/min flowrate. Carbonization of pineapple crown is done at 350°C followed by chemical activation with KOH activator and physical activation. The result of iod number indicate the 1:1 weight KOH ratio gave the highest iod number 1337 mg/mg and 1190.799 m 2 /g surface area achieved by chemical-physical activation.

Utilization of crown pineapple waste as raw material preparation of activated carbon as adsorbent in natural gas storage