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Marek Wojnicki,Magdalena Luty-Błocho,Robert P. Socha,Krzysztof Mech,Zbigniew Pe˛dzich,Krzysztof Fitzner,Ewa Rudnik 한국공업화학회 2015 Journal of Industrial and Engineering Chemistry Vol.29 No.-
The kinetic studies of sorption and reduction of gold(III) chloride complex ions on activated carbon NoritROX 0.8 were carried out. Experiments were performed at different initial concentrations of gold(III)chloride complex ions, agitation rates, temperature as well as initial mass of the adsorbent. SEM, XRDand XPS analyses have confirmed the presence of metallic gold on the activated carbon surface. XPSanalysis showed that reduction of gold(III) ions is accompanied by the oxidation of phenolic hydroxidesuperficial groups. Kinetic equation of a first-order reaction was found suitable for process description.