Journal
CHEMICAL ENGINEERING RESEARCH & DESIGN
Volume 87, Issue 8A, Pages 1059-1064Publisher
INST CHEMICAL ENGINEERS
DOI: 10.1016/j.cherd.2009.02.001
Keywords
Activated carbon; Biomass; Corn cobs; Adsorbent; Chemical activation
Categories
Funding
- Alberta Agricultural Research institute
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Activated carbons were prepared through chemical activation of corn cob precursor, using potassium hydroxide as the chemical agent. The effect of different parameters, such as particle size, method of mixing, chemical/corn ratio, activation time and activation temperature, on weight loss and BET surface area of the produced activated carbons were discussed. The porosity of the activated carbons was evaluated through nitrogen adsorption. The storage capacity of the activated carbon was evaluated using natural gas. Under the experimental conditions investigated, the optimal conditions for production of high surface area carbons by chemical activation were identified. The results were compared with commercial activated carbons from coal. (C) 2009 The Institution of Chemical Engineers. Published by Elsevier B.V. All rights reserved.
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