Catalyst for production of acetic acid, process for its...

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B01J 23/54 (2006.01) B01J 23/44 (2006.01) B01J 23/52 (2006.01) B01J 23/68 (2006.01) B01J 27/188 (2006.01) C07C 51/25 (2006.01) C07C 53/08 (2006.01)

Patent

CA 2360499

A catalyst for producing acetic acid comprising metallic palladium, metallic gold, and a heteropolyacid and/or a salt thereof, as essential components, and has a specific weight ratio of metallic palladium to metallic gold. A catalyst for producing acetic acid comprising metallic palladium, metallic gold, and a heteropolyacid and/or a salt thereof, as essential components, wherein the salt of a heteropolyacid comprises a metal salt obtained by substituting all or a part of hydrogen atoms of a corresponding heteropolyacid with at least one element selected from the group consisting of the elements of Groups 6, 7, 9 and 10 of the Periodic Table.

L'invention concerne un catalyseur permettant de produire de l'acide acétique, ce catalyseur renfermant, comme constituants principaux, du palladium métallique, de l'or métallique, et un hétéropolyacide et/ou un sel de celui-ci, et présentant un rapport pondéral spécifique du palladium métallique à l'or métallique.. L'invention concerne un catalyseur permettant de produire de l'acide acétique, ce catalyseur renfermant, comme constituants principaux, du palladium métallique, de l'or métallique, et un hétéropolyacide et/ou un sel de celui-ci, le sel de cet hétéropolyacide comprenant un sel métallique obtenu par substitution d'une partie ou de la totalité des atomes d'hydrogène d'un hétéropolyacide correspondant avec au moins un élément choisi dans le groupe composé par les éléments des groupes 6, 7, 9 et 10 du tableau périodique.

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