Hydrocarbon hydrogenation catalyst and process

B - Operations – Transporting – 01 – J

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B01J 23/58 (2006.01) B01J 23/66 (2006.01) C07C 5/03 (2006.01) C07C 5/05 (2006.01) C07C 5/08 (2006.01) C07C 7/167 (2006.01) B01J 23/44 (2006.01) B01J 27/12 (2006.01)

Patent

CA 2392259

A catalyst composition which can be used for hydrogenating a highly unsaturated hydrocarbon such as an alkyne or a diolefin to a less unsaturated hydrocarbon is disclosed. The catalyst composition contains palladium, an inorganic support, and a catalyst component of silver and an alkali metal compound. The catalyst composition can additionally contain a halide, preferably a halide of a non-alkali metal halide. A process of making such catalyst composition is also disclosed. The process of using such catalyst composition involves contacting a hydrocarbon-containing fluid, which contains a highly unsaturated hydrocarbon, with a catalyst composition in the presence of hydrogen under a hydrogenation condition sufficient to effect a hydrogenation of the highly unsaturated hydrocarbon. The process of using such catalyst composition can be conducted in the presence or absence of a sulfur impurity such as a sulfur compound.

La présente invention concerne une composition de catalyseur qui peut être utilisée pour hydrogéner un hydrocarbure hautement insaturé tel qu'un alcyne ou un dioléfine en un hydrocarbure moins insaturé. Cette composition de catalyseur contient du palladium, un support inorganique, un composant catalyseur d'argent et un composé métallique alcalin. Cette composition de catalyseur peut en outre contenir un halide, de préférence un halide d'halide métallique non alcalin. Cette invention concerne aussi un processus de fabrication de cette composition de catalyseur. Le processus d'utilisation de cette composition de catalyseur consiste à mettre en contact un fluide contenant un hydrocarbure, et précisément un hydrocarbure hautement insaturé, avec une composition de catalyseur en présence d'hydrogène dans des conditions d'hydrogénation suffisantes pour entraîner l'hydrogénation de cet hydrocarbure hautement insaturé. Ce processus d'utilisation de cette composition de catalyseur peut être mis en oeuvre en présence ou non d'impuretés sulfurifères telle qu'un composé soufré.

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