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Activated carbons from almond shells—II: Characterization of the pore structure

✍ Scribed by F. Rodríguez-Reinoso; J.de D. López-González; C. Berenguer

Publisher
Elsevier Science
Year
1984
Tongue
English
Weight
533 KB
Volume
22
Category
Article
ISSN
0008-6223

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✦ Synopsis

Several series of activated carbons have been prepared from almond shells by carbonization in nitrogen followed by activation in a flow of carbon dioxide. The adsorption of CO, at 195 and 273 K and n-C,H,, at 273 K confirms that the carbonized materials are essentially microporous with dimensions or constrictions in the range 0.345nm.

Upon activation with carbon dioxide there is a considerable increase in the aperture of micropores and an increase in the apparent surface area. The effect of preparation conditions on the adsorptive capacity of the carbons are also discussed.

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