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I-Aromatisation of n-hexane and natural gasoline over ZSM-5 zeolite. II-Wet catalytic oxidation of phenol on fixed bed of active carbon

Suwanprasop, Somsaluay. I-Aromatisation of n-hexane and natural gasoline over ZSM-5 zeolite. II-Wet catalytic oxidation of phenol on fixed bed of active carbon. PhD, Institut National Polytechnique de Toulouse, 2005

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Official URL: http://ethesis.inp-toulouse.fr/archive/00000162/

Abstract

I - The production of aromatic hydrocarbons from n-hexane and natural gasoline over Pd loaded ZSM-5 zeolite in a tubular reactor was achieved under the suitable conditions at 400 °C, and 0.4 ml/min reactant feeding rate, employing ZSM-5 (0.5% Pd content) as a catalyst. Under these conditions, n-hexane and natural gasoline conversions were found to be 99.7% and 94.3%, respectively (with respective aromatic selectivity of 92.3% and 92.6%). II - Wet catalytic air oxidation of phenol over a commercial active carbon was studied in a three phase fixed bed reactor under mild temperature and oxygen partial pressure. Exit phenol concentration, COD, and intermediates were analysed. Oxidation of phenol was significantly improved when increasing operating temperature, oxygen partial pressure, and liquid space time, while up or down flow modes had only marginal effect. A complete model involving intrinsic kinetics and all mass transfer limitations gave convenient reactor simulation.

Item Type:PhD Thesis
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Institution: Université de Toulouse > Institut National Polytechnique de Toulouse - INPT
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Research Director:
Delmas, Henri
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Deposited On:21 Nov 2012 13:45

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