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Revista de Ingeniería

Print version ISSN 0121-4993


GIRALDO, Liliana; GARCIA, Vanessa  and  MORENO, Juan Carlos. Superficial Characterization in Gas and Liquid Phase of Activated Carbons. [online]. 2008, n.27, pp.07-16. ISSN 0121-4993.

The superficial area of an activated carbon obtained from coffee husk and coconut shell was determined, by means of isotherms of adsorption of N2 to 77K and the results they area compared with the method of index blue of methylene, finding an good correlation between the two areas determined by this method. This research shows that both methods allow making a complementary analysis of a porous surface.

Keywords : Activated carbon; adsorption; blue methylene index; decolouration.

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