Catalytic oxidation process with flow control system

Details Catalytic oxidation process with flow control system Catalytic oxidation process with flow control system

C - Chemistry, Metallurgy

01

B

C01B 3/38 (2006.01) B01J 8/02 (2006.01) B01J 12/00 (2006.01)

Patent

CA 2382771

A process for the catalytic oxidation of a hydrocarbonaceous fuel (1) into a conversion product, wherein a feed mixture comprising the fuel and an oxygen- containing gas (2) is contacted with a catalyst bed (3), which process further comprises the steps of: (a) setting the flow rate of the fuel and flow rate of the oxygen-containing gas, preferably in accordance with the demand of conversion product and a pre-determined value of the oxygen/carbon ratio in the feed mixture; (b) determining the actual temperature (10) of the upstream surface of the catalyst bed by means of a quick response device; (c) generating an output signal (13) that is a function of the difference between the actual temperature and a set point for the temperature; and (d) using the output signal to adjust the flow rate of the fuel (6) and/or of the oxygen- containing (7) gas, preferably the flow rate of the fuel.

L'invention concerne un procédé d'oxydation catalytique d'un carburant hydrocarboné (1) en un produit de conversion, selon lequel un mélange d'alimentation renfermant le carburant et un gaz contenant de l'oxygène (2) est mis au contact d'un lit catalytique (3). Le procédé consiste ensuite a) à réguler le débit du carburant et le débit du gaz contenant l'oxygène, conformément, de préférence, aux exigences du produit de conversion et à une valeur prédéterminée du rapport oxygène/carbone dans le mélange d'alimentation, b) à déterminer la température réelle (10) de la surface amont du lit catalytique au moyen d'un dispositif à réaction rapide, c) à générer un signal de sortie (13) en fonction de la différence entre la température réelle et un point de contrôle de la température, et d) à utiliser le signal de sortie pour régler le débit du carburant (6) et/ou du gaz contenant l'oxygène (7), mais de préférence le débit du carburant.

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