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Electrocatalytic oxidation of oxalic and oxamic acids in aqueous media at carbo...
Ferreira, Marta; Pinto, Mara F.; Soares, O. S. G. P.; Pereira, M. F. R.; Orfão, J. J. M.; Figueiredo, J. l.; Neves, Isabel C.; Fonseca, A. Maurício C.The electrochemical oxidation of oxalic and oxamic acids on multiwalled carbon nanotubes (CNT) and on monometallic (Pd and Pt) and bimetallic (Pd-Cu, Pt-Cu) catalysts supported on multiwalled carbon nanotubes was investigated using cyclic voltammetry. The electrodes were prepared by dispersion of the catalytic material on Toray carbon (CT) using a Nafion/water solution. The kinetic parameters of the reactions w...
Activated carbon production from brewer’s spent grain lignin
Mussatto, Solange I.; Fernandes, Marcela; Rocha, George J. M.; Orfão, J. J. M.; Teixeira, J. A.; Roberto, Inês ConceiçãoActivated carbons are adsorbents that are industrially used in multiple processes for product separation and purification, and for the treatment of liquid and gaseous effluents. Despite its frequent use in the water and waste industries, activated carbons remain an expensive material. In view of the high cost and the tedious procedures for the preparation and regeneration of activated carbons, there is a contin...
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