Optimization of activated carbon preparation from cassava stem using response surface methodology on surface area and yield
2018
The aim of this study was to produce activated carbon derived from cassava stem with suitable characteristics as a good adsorbent. The optimal conditions for preparing the activated cassava stem were 146 min and 787 °C for the activation time and activation temperature, respectively. The experimental values of surface area and yield under these conditions correspond to the values of the expected optimized process. The activation temperature had the greatest impact on the carbon surface area and yield as compared to the activation time. The characteristics of raw and activated cassava stem were significantly different. A large surface area was detected in the activated carbon produced, showing the great potential of cassava stem to be utilized as a raw material for the production of activated carbon with good adsorption properties.
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