Direct synthesis of hydrogen peroxide in a multicomponent...

Details Direct synthesis of hydrogen peroxide in a multicomponent... Direct synthesis of hydrogen peroxide in a multicomponent...

C - Chemistry, Metallurgy

01

B

C01B 15/029 (2006.01)

Patent

CA 2446336

A process is described for the production of hydrogen peroxide from hydrogen and oxygen in a reaction solvent containing a halogenated promoter and/or an acid promoter, in the presence of a heterogeneous catalyst based on one or more metals of the platinum group, wherein the reaction solvent consists of: (1) an alcohol or mixture of alcohols; (2) an aliphatic ether having general formula (I); and (3) optionally water. The solvent mixture may also contain one or more C5-C32 hydrocarbons. The process operates under high safety conditions with a high productivity and molar selectivity towards the formation of H2O2.

L'invention concerne un procédé de production de peroxyde d'hydrogène à partir d'hydrogène et d'oxygène dans un solvant de réaction contenant un promoteur halogéné et/ou un promoteur acide, en présence d'un catalyseur hétérogène à base d'au moins un métal appartenant au groupe du platine. Le solvant de réaction se compose (1) d'un alcool ou d'un mélange d'alcools, (2) d'un éther aliphatique de formule générale (I), et (3) facultativement d'eau. Ce mélange de solvants peut aussi contenir au moins un hydrocarbure C¿5?-C¿32?. On réalise ce procédé dans des conditions de sécurité extrême, ledit procédé s'accompagnant d'une productivité élevée et d'une sélectivité molaire à l'égard de la formation H¿2?O¿2?.

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