B - Operations – Transporting – 01 – J
Patent
B - Operations, Transporting
01
J
B01J 27/053 (2006.01) B01D 53/52 (2006.01) B01J 23/745 (2006.01) B01J 37/04 (2006.01) B01J 37/08 (2006.01)
Patent
CA 2525610
There is provided a method for preparing a catalytic composition for effecting the catalytic oxidation of hydrogen sulfide in gas streams. The method comprises the steps of: a) preparing a mixture of a water soluble iron compound and a stabilizing agent in an aqueous system, at a pH of less than or equal to 2; b) adding a mixture of two chelating agents I and II, wherein both chelating agents are amine chelating agents to the mixture obtained; c) adding sufficient aqueous amine chelating agent II to the mixture obtained to adjust the pH to 7 to 10; and d) heating the mixture obtained to obtain the desired concentration of chelated iron in the mixture.
On fournit une méthode pour préparer une formulation catalytique permettant d'effectue l'oxydation catalytique du sulfure d'hydrogène dans les flux de gaz. Cette méthode comprend les étapes suivantes : a) préparation d'un mélange d'un composé du fer hydrosoluble et stabilisation de l'agent dans un système aqueux, à un pH inférieur ou égal à 2; b) ajout d'un mélange de deux agents chélateurs, I et II, chacun étant des amines de chélation, au mélange obtenu; c) ajout d'une quantité suffisante de l'amine de chélation II en solution aqueuse au mélange obtenu afin d'ajuster le pH entre 7 et 10; d) chauffage du mélange obtenu jusqu'à obtention de la concentration désiré de fer chélaté dans le mélange.
Goudreau Gage Dubuc
Research Institute Of Petroleum Industry (ripi)
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