Journal
JOURNAL OF THERMAL ANALYSIS AND CALORIMETRY
Volume 60, Issue 2, Pages 417-425Publisher
KLUWER ACADEMIC PUBL
DOI: 10.1023/A:1010137308378
Keywords
activated carbon; char; heating temperature; surface area and porosity; surface chemistry
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The effects of heating temperature of pyrolysis and activation processes on the textural and chemical properties of the chars and activated carbons prepared from oil palm stones, an abundant palm-oil mill solid waste, were studied. For both pyrolysis and activation, relatively high temperature was essential to develop pore structures in the chars and activated carbons. However, too high temperature would cause pore narrowing and pore enlargement during pyrolysis and activation, respectively. The temperature had an insignificant effect on the inorganic components of the chars and activated carbons, but affected their surface organic functional groups significantly.
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