Use of nanostructured metal catalysts for the production of...

C - Chemistry – Metallurgy – 01 – B

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C01B 3/22 (2006.01) B01J 31/16 (2006.01) B01J 35/00 (2006.01) B01J 37/00 (2006.01) C01B 3/32 (2006.01) C01B 3/40 (2006.01)

Patent

CA 2584478

It is herein described the use of nanostructured metal catalysts for the production of syngas and hydrogen-rich gaseous mixtures; said catalysts are constituted by nanostructured metal particles obtained by reduction of metal complexes formed of metal salts and template polymers, whose molecular weight ranges from 1000 to 50000 g mol-1 prepared by condensation of a 4-{1-[(phenyl- 2,4-disubstituted)- hydrazono-alkyl}-benzene-1 ,3-diol with phenol, or a 3,5 disubstituted phenol, and formaldehyde, or para-formaldehyde in the presence of an acid or basic catalyst in water/alcohol mixtures at temperatures between 20 and 150 ~C.

L'invention concerne des catalyseurs métalliques à nanostructures destinés à la production de gaz de synthèse et de mélanges gazeux riches en hydrogène. Lesdits catalyseurs sont constitués de particules de métal à nanostructures obtenues par réduction de complexes métalliques formés de sels métalliques et de polymères matriciels, dont les poids moléculaires s'étendent de 1000 à 50000 mol-1, obtenus par condensation d'un 4-{1-[(phényl-2,4-disubstitué)- hydrazono-alkyl}-benzène-1,3-diol avec du phénol, ou d'un phénol disubstitué 3,5, et d'un formaldéhyde, ou d'un para-formaldéhyde en présence d'un acide ou d'un catalyseur basique dans des mélanges eau/alcool à des températures comprises entre 20 et 150 0C.

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