METHOD FOR PREPARING A SELECTIVE HYDROGENATION CATALYST

A method for preparing a catalyst comprising palladium, a porous support with a specific surface area of between 140 and 250 m²/g, said catalyst being prepared by a method comprising the following steps: a) preparing a colloidal solution of palladium oxide or palladium hydroxide in the aqueous phase...

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Bibliographic Details
Main Authors MARTIN, Michel, AVENIER, Priscilla, BOUALLEG, Malika, PETIT-CLAIR, Carine
Format Patent
LanguageEnglish
Published 13.08.2020
Subjects
CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
THEIR RELEVANT APPARATUS
TRANSPORTING
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Summary:A method for preparing a catalyst comprising palladium, a porous support with a specific surface area of between 140 and 250 m²/g, said catalyst being prepared by a method comprising the following steps: a) preparing a colloidal solution of palladium oxide or palladium hydroxide in the aqueous phase; b) adding said solution obtained in step a) to said porous support, at a rate of between 1 and 20 litre(s)/hour; said porous support being contained in a rotating impregnation device operating at a speed of rotation of between 10 and 20 rpm; c) optionally, maturing the impregnated porous support obtained in step b); d) drying the catalyst precursor obtained in step b) or c); e) calcining the catalyst precursor obtained in step d).
Bibliography:Application Number: US201716305772