HYDRO-DE-AROMATIZATION OF PARAFFIN WAX
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Abstract
Iraqi paraffin wax (1.0 wt% aromatic content and 4.4 wt% oil content, Basrah origin) was hydro treated over commercial Pt-Re/y-Al203 catalyst in order to study aromatic removal reaction (de-aromatization) kinetics. Reaction temperature varied from 453 to 533 K over a liquid hourly space velocity from 0.5 to 4.2 h. Hydrogen pressure was kept constant throughout all the experiment at 3.6 Mpa with hydrogen to wax ratio about 400 m/m Kinetics analysis showed that the hydro-de-aromatization reaction followed a second order kinetics model. Energy, enthalpy and entropy of activation of hydro-de-aromatization reaction were 17.2 RJ/mole, 13.1 kJ/mole and -16.9 J/mole K, respectively.
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Abbas, A. S. (1999), Low sulfur feedstock from Basrah reduced crude oil for coke production. M. Sc. Thesis, University of Baghdad.
Abbas, A. S. (2002), Preparition of special kind of wax for medicinal uses Ph. D. Thesis, University of Baghdad.
Bond, G. C. (1974), Hetrogencous Catalysis, Principles and Applications. Clarendoc Press, Oxford: Chemistry Serics.
Freund, M., R. Csikos, S. Keszhelyi and G.Y. Moze. (1982), Paraffin Products, Properiles, Technologies, Applications. Amsterdam: Elsevier Scientific Publishing Company.
Hantzer, S.. A. Ravella, I. A. Cody and D.P. Klein. (2001), Process for the production of medicinal white oil. U.S. Patert 6,187,176.
Hobson, G.D. (1982), Modern Petroleum Technology. New York: Adlard and Son Ltd. Hummadi, K. K. (1999), Petroleum residue hydrotreating-catalyst preparation and activity. Ph. D. Thesis, University of Baghdad.
Kalichevsky, K A. (1956), Chemical Refining of Petroleum. Amsterdam: Elsevier Scientific Publishing Company
Kirk-Othmer (1984), Encyclopedia of Chemical Technology. vol. 24, New York: John Wilcy and Sons Inc.
Levenspiel O. (1972), Chemical Reaction Engineering. New York: John Wiley and Sons Inc.
Liener, IE (1969), Toxic Constituents of Plant Foodstuffs. New York: Academic press Ine
Lipovskay, K. S., and V. G. Agaforov. (1976), Paraffin waxes from west-Siberian paraffin crude. Neftepererab. Nefiekhim. 3:23-25.
Mohammed, A-HI A-K and A. S. Abbas (2001), The effect of asphaltenes removal o the kinetiess of Iragi crude oil hydrotreating. Iragi Joumal of Chemical and Petroleum Engineering. 1:16-24.
Sirvuk, A... M. M. Femandez-Gomez, K I Zimina and I. A. Mikhaliov (1975), Determination of small quantities of aromatic hydrocarbons in highly refined waxes and oils on the base of UV absorption n spectra, Khimiya i Tekhnologyia Topliv Masel, 2: 58-61
Speight, J. G. (1981). The Desulfurization of heavy oils and residue. New York: John Wiley and Sont Inc