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Détail de l'auteur
Auteur Edy Saputra
Documents disponibles écrits par cet auteur
Affiner la rechercheHeterogeneous catalytic oxidation of aqueous phenol on red mud-supported cobalt catalysts / Syaifullah Muhammad in Industrial & engineering chemistry research, Vol. 51 N° 47 (Novembre 2012)
[article]
in Industrial & engineering chemistry research > Vol. 51 N° 47 (Novembre 2012) . - pp. 15351-15359
Titre : Heterogeneous catalytic oxidation of aqueous phenol on red mud-supported cobalt catalysts Type de document : texte imprimé Auteurs : Syaifullah Muhammad, Auteur ; Edy Saputra, Auteur ; Hongqi Sun, Auteur Année de publication : 2013 Article en page(s) : pp. 15351-15359 Note générale : Industrial chemistry Langues : Anglais (eng) Mots-clés : Catalyst Oxidation Catalytic reaction Résumé : Red mud (RM), an industrial waste from the alumina refinery industry, was used as a support for preparation of Co-oxide-based catalysts (Co/RM). The samples were characterized by N2 adsorption, X-ray diffraction (XRD), scanning electron microscopy (SEM), energy dispersive X-ray spectroscopy (EDS), and UV―vis diffusive reflectance spectroscopy. The heterogeneous catalytic activity was evaluated in aqueous phenol degradation using peroxymonosulphate (PMS) as an oxidizing agent. It was found that Co3O4 particles were highly dispersed on the RM surface and that pretreatment of the red mud (RM-T) would significantly influence catalytic activity. Co/RM-T catalysts exhibited high effectiveness in heterogeneous activation of PMS to produce sulfate radicals for phenol degradation compared with Co/RM-NT. Phenol degradation followed first-order kinetics, and activation energies on Co/RM-T and Co/RM-NT are 46.2 and 47.0 kJ/mol, respectively. ISSN : 0888-5885 En ligne : http://cat.inist.fr/?aModele=afficheN&cpsidt=26679656 [article] Heterogeneous catalytic oxidation of aqueous phenol on red mud-supported cobalt catalysts [texte imprimé] / Syaifullah Muhammad, Auteur ; Edy Saputra, Auteur ; Hongqi Sun, Auteur . - 2013 . - pp. 15351-15359.
Industrial chemistry
Langues : Anglais (eng)
in Industrial & engineering chemistry research > Vol. 51 N° 47 (Novembre 2012) . - pp. 15351-15359
Mots-clés : Catalyst Oxidation Catalytic reaction Résumé : Red mud (RM), an industrial waste from the alumina refinery industry, was used as a support for preparation of Co-oxide-based catalysts (Co/RM). The samples were characterized by N2 adsorption, X-ray diffraction (XRD), scanning electron microscopy (SEM), energy dispersive X-ray spectroscopy (EDS), and UV―vis diffusive reflectance spectroscopy. The heterogeneous catalytic activity was evaluated in aqueous phenol degradation using peroxymonosulphate (PMS) as an oxidizing agent. It was found that Co3O4 particles were highly dispersed on the RM surface and that pretreatment of the red mud (RM-T) would significantly influence catalytic activity. Co/RM-T catalysts exhibited high effectiveness in heterogeneous activation of PMS to produce sulfate radicals for phenol degradation compared with Co/RM-NT. Phenol degradation followed first-order kinetics, and activation energies on Co/RM-T and Co/RM-NT are 46.2 and 47.0 kJ/mol, respectively. ISSN : 0888-5885 En ligne : http://cat.inist.fr/?aModele=afficheN&cpsidt=26679656