High surface area functionalized carbon briquettes: a novel adsorbent for contaminants from water

AUTOR(ES)

Costa, Luiz C.M., Araujo, Maria Helena, Sapag, Karim, Sardella, Maria F., Silva, Hugo, Deiana, Ana C., Lago, Rochel M.

FONTE

Journal of the Brazilian Chemical Society

DATA DE PUBLICAÇÃO

2005-10

RESUMO

Neste trabalho, as vantagens de carbonos funcionalizados com alta área superficial e a forma especial de briquete foram combinadas para a produção de um novo adsorvente de metais. Análises BET, TG, IR, sítios ácidos e EDS sugerem que a funcionalização com HNO3 ocorre por todo o corpo do briquete. Foram estudadas também as isotermas e as cinéticas de adsorção de Cr3+, Zn2+ e do corante azul de metileno.

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