Preparation of Bagasse-Based Granular Activated Carbon by Chemical Activation Using Physical Mixing Method for Adsorbed Natural Gas

Dwi Rachayuningsih, Yuliusman Yuliusman, Nasruddin Nasruddin, Novie Ardhyarini

Abstract


The use of activated carbon as adsorbent for adsorbed natural gas (ANG) gives the possibility of using agricultural waste as precursor. A study invented extremely high specific surface area of bagasse-based activated carbon through dry chemical activation. This experiment tried to get the optimum adsorbent for commercial ANG, wherein specific surface area, particle and pores size were considered. The steps of experiment were started by drying at 105 °C for 30 minutes, carbonization at 350 °C for 1-hour, granular size screening, chemical activation by physical mixing method with carbon and KOH ratio of 1:1 in the presence of N2 of 500 ml/min at 700 °C for 1-hour, and then neutralization. Characterization gave SBET of 1576.40 m2/g, average pore width of 2.37 nm, Scanning Electron Microscopy image, and elemental composition as identified by Energy Dispersive X-Ray Spectroscopy. These results demonstrate the potential of this product as an ANG adsorbent.

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References


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