Steam activation of chars produced from oat hulls and corn stover
2004
Fan, M. | Marshall, W. | Daugaard, D. | Brown, R.C.
Oat hulls and corn stover were used to produce chars at approximately 500 °C. The carbon concentrations of oat hull char and corn stover chars produced were 72.3 and 68.0 wt.%, respectively. Both activation burn-off and Brunauer-Emmett-Teller (BET) surface area appear to exhibit a linear relationship with respect to activation time of oat hulls. As to corn stover activated carbons, there is no linear relationship between activation time and BET surface area. However, activation burn-off of and activation time appear to relate in a linear manner for the activated carbons produced from corn stover chars. Oat hull is better than corn stover as a raw material for the production of activated carbon.
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