Synthesis of Bimetallic Catalysts on the Basis of Y Type Zeolite
DOI:
https://doi.org/10.25271/sjuoz.2020.8.1.682Keywords:
Bimetallic Catalysts, Zeolites, Petroleum Chemistry, Solid Acid Catalysts, Industrial CatalystsAbstract
In this work, it is shown that based on powder zeolite type Y, mono metallic and bimetallic catalysts have been developed that are promising for petroleum chemistry processes. The method is based on the preparing hydrogen form of Y zeolite by ion exchange with a solution of ammonium nitrate at a starting concentration of 70 g.l-1 and nickel nitrate solution which provides Ni cations. Then after preparation of bimetallic catalysts by impregnating second metal by incipient wetness. All samples and catalysts were characterized using X-ray diffraction (XRD) analysis techniques, adsorption methods, and elemental analysis. The research results showed that in order to reach the degree of exchange of Na+ for H+ cations no less than 0.73, it is necessary to carry out four exchanges of Na+ by NH4+ and three intermediate thermal treatments at 540 °C for 3 to 4 hours in air atmosphere.
References
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Breck, D.W. (1974). Zeolite Molecular Sieves: Structure, Chemistry and Use, John Wiley & Sons Inc., New York.
Bolton A.P. (1976), Zeolite Chemistry and Catalysis, ACS Monograph 171 (American Chemical Society, Washington, p.C.,) 714-779.
Busca G. (2007). Acid catalysts in industrial hydrocarbon chemistry, Chemical Reviews Vol. 107 p5366.
Ertl G., Knözinger H., Schüth F. & Weitkamp J. (2008). Handbook of Heterogeneous Catalysis, Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim, Chapt. 13 and14.
Gorshunova KK, Ahmed KR, Travkina OS, Pavlova IN, Grigor’eva NG, Pavlov ML, & Kutepov BI. (2014), Influence of synthesis conditions on the adsorption and catalytic properties of mordenite zeolite , Petroleum Chemistry,Vol. 54, No. 2, pp. 132–136.
Jordão, M. H. & Cardoso, D. (2001), Characterization of Ni, Pt Zeolite Catalysts by TEM and EDX. Studies in Surface Science and Catalysis, 135, 357.
Martinez C. & Corma A. (2011), Coordination Chemistry Reviews, Volume 255, Issues 13–14, 1558-1580.
Minachev Kh.M. & Isakov Ya.I. (1976), Metal-containing Zeolites in Catalysis, Science Publishing, Moscow, 11-611.
Liu, X.; An, W.; Wang, Y.; Turner, C. H.; & Resasco, D. E. (2018), Hydrodeoxygenation of Guaiacol over Bimetallic Fe-Alloyed (Ni, Pt) Surfaces: Reaction Mechanism, Transition-State Scaling Relations and Descriptor for Predicting C−O bond Scission Reactivity. Catal. Sci. Technol. 8, 2146−2158.
Pavlova1 I. N., Travkina1О. S., Kutepov B. I., Ahmed K. R., & Akhmetov A. F. (2012), Synthesis and Properties Exchange Forms of Granulated Binder-free Zeolite X, International Journal of Materials Engineering, 2(6): 80-83.
Rensel, D. J.; Kim, J.; Jain, V.; Bonita, Y.; Rai, N. &Hicks, J. C. (2017), Composition-Directed Fe X Mo 2− XP Bimetallic Catalysts for Hydrodeoxygenation Reactions. Catal. Sci. Technol., 7, 1857−1867.
Resende, K. A.; Teles, C. A.; Jacobs, G.; Davis, B. H.; Cronauer, D. C.; Kropf, A. J.; Marshall, C. L.; Hori, C. E. & Noronha, F. B. (2018), Hydrodeoxygenation of Phenol over Zirconia Supported Pd Bimetallic Catalysts: The Effect of Second Metal on Catalyst Performance. Appl. Catal., B, 232, 213−231.Van Bekkum H., Flanigen E.M., Jacobs P.A. & Jansen J.C (2001) Introduction to Zeolite Science and Practice, vol. 137, Stud. Surf. Sci. Catal., 747–955.
Vituruch G. et al. (2017), Zeolite Supported Bimetallic Catalyst System: The Effect of Metal Loading for Catalytic Pyrolysis of Jatropha Residue, Key Engineering Materials Journal, 2017, Vol. 751, 494-499.
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Published
2020-03-30
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Ahmed, K. R. (2020). Synthesis of Bimetallic Catalysts on the Basis of Y Type Zeolite. Science Journal of University of Zakho, 8(1), 19–22. https://doi.org/10.25271/sjuoz.2020.8.1.682
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