B - Operations – Transporting – 01 – J
Patent
B - Operations, Transporting
01
J
B01J 23/64 (2006.01) B01J 23/42 (2006.01) B01J 23/62 (2006.01) B01J 27/186 (2006.01) B01J 37/02 (2006.01) B01J 37/03 (2006.01) C01B 15/029 (2006.01) C07B 31/00 (2006.01) C07B 35/02 (2006.01) C07C 29/17 (2006.01) C07C 37/07 (2006.01) C23C 18/18 (2006.01) C23C 18/44 (2006.01)
Patent
CA 2422806
The invention relates to a supported catalyst consisting of metal of the platinum group. Said catalyst can be obtained by means of controlled electroless deposition of at least one metal of the platinum group from a precipitation solution containing i) at least one homogeneously dissolved compound consisting of metal of the platinum group, ii) a reducing agent, and iii) at least one collagen selected from iospoly acids and heteropoly acids of niobium, tantalum, molybdenum, tungsten and vanadium or the salts of the same. The invention also relates to a method for hydrogenating inorganic or organic compounds using the catalyst which is produced by means of controlled electroless deposition, especially for the direct synthesis of hydrogen peroxide.
L'invention concerne un catalyseur en métal du groupe du platine, obtenu par dépôt sans courant contrôlé d'au moins un métal du groupe du platine provenant d'une solution de précipitation qui contient i) au moins un composé de métal du groupe du platine dissous de manière homogène ; ii) un agent de réduction et iii) au moins un collagène sélectionné parmi des isopolyacides et des hétéropolyacides de niobium, de tantale, de molybdène, de tungstène et de vanadium ou leurs sels. L'invention concerne en outre un procédé d'hydrogénation de composés inorganiques ou organiques à l'aide du catalyseur produit par dépôt sans courant contrôlé, s'utilisant notamment dans la synthèse directe de peroxyde d'hydrogène.
Butz Thomas
Junicke Henrik
Basf Aktiengesellschaft
Borden Ladner Gervais Llp
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