Carmencita del Rocío Lavado Meza, M. Rosario Sun Kou, Salvador Bendezú
Se prepararon carbones activados a partir de astillas de eucalipto ( Labill), mediante activacion quimica usando como agente activante al acido fosforico. Se estudio la influencia de los siguientes parametros de activacion sobre la adsorcion de plomo: razon de impregnacion (agente activante(g)/precursor(g)) y temperatura de activacion. Los materiales obtenidos se caracterizaron mediante adsorcion de N2 a -196 °C, SEM y FTIR. Se estudiaron los parametros que afectan el proceso de adsorcion de plomo: tiempo de contacto, razon masa de carbon/volumen de la solucion, temperatura y pH, lograndose obtener capacidades de adsorcion de hasta 142,1 mg Pb/g. Se logro remover el 99,9% del plomo contenido en un efluente industrial.
Activated carbons were prepared from chips of Labill, as by chemical activation using phosphoric acid activating agent. The influence of activation parameters was studied on the adsorption of lead: impregnation ratio (activating agent (g)/precursor (g)) and activation temperature. The materials obtained were characterized by N2 adsorption at -196 °C, SEM and FTIR. The parameters affecting the adsorption process of lead was studied: contact time, ratio mass carbon/volume of solution, temperature and pH, obtained adsorption capacities of up to 142,1mgPb / g.Achieved 99,9% removal of lead on industrial effluent.
© 2001-2024 Fundación Dialnet · Todos los derechos reservados