Immersion enthalpy variation of surface-modified mineral activated carbon in lead (II) aqueous solution adsorption: the relation between immersion enthalpy and adsorption capacity

An activated carbon was obtained by chemical activation with phosphoric acid, CM, froma mineral carbon. Afterwards, the carbon was modified with 2 and 5 molL-1, CMox2 and CMox5 nitricacid solutions to increase the surface acid group contents. Immersion enthalpy at pH 4 values and Pb2+adsorption isot...

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Publicado no:Eclética Química
Main Authors: L. Giraldo, J.C. Moreno-Piraján
Formato: Artigo
Idioma:Inglês
Publicado em: Universidade Estadual Paulista Júlio de Mesquita Filho 2006
Assuntos:
Química
surface
modified
Pb2+ adsorption
Langmuir isotherm
immersion enthalpy
Acesso em linha:https://www.redalyc.org/articulo.oa?id=42931402
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