Preparation of the Catalyst Support from the Oil-Shale Processing By-Product

F. Pérez-Caballeroa, A-L Peikolainen*, a, M. Koela, M. Herbertb, A. Galindob, F. Montillab
a Institute of Chemistry, Tallinn University of Technology. Akadeemia tee 15, 12618 Tallinn, Estonia
b Departamento de Quimica Inorginica, Universidad de Sevilla, Aptdo. 1203, 41071 Sevilla, Spain

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© 2008 Pérez-Caballero et al.;

open-access license: This is an open access article distributed under the terms of the Creative Commons Attribution 4.0 International Public License (CC-BY 4.0), a copy of which is available at: This license permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

Correspondence: * Address correspondence to this author at the Institute of Chemistry, Tallinn University of Technology. Akadeemia tee 15, 12618 Tallinn, Estonia; Tel: +372 620 4325; Fax: +372 620 2828; E-mail:


5-methylresorcinol and the technical mixture of oil-shale phenolic compounds were applied for carbon aerogel preparation. Gels, which were prepared via base catalyzed polymerization were dried under supercritical conditions and subsequent pyrolysis of obtained dry aerogels led to carbon aerogels. Activation of carbon aerogel with CO2 and H2O was performed and porosity and the specific surface area of activated carbon aerogels were studied. Langmuir specific surface areas of well over 2000 m2/g were achieved and microporosity of carbon aerogel samples was tuneable ranging from below 50% until over 85%. Impregnation with the complex [Pd(C4HF6O)2] was carried out in supercritical CO2 using H2 for a quick reduction of Pd(II) to Pd(0). Eventually, highly porous material decorated with nanoparticles of black palladium was obtained having a homogeneous metal distribution.