Process for preparing carboxylic acids by dehydrogenating alcohols

Process for preparing carboxylic acids by dehydrogenating alcohols

Raney copper catalyst (A) doped with at least one of iron and a noble metal. Independent claims are also included for the following: (a) preparation of (A) by: (i) activating a copper-aluminum alloy with aqueous sodium hydroxide solution; (ii) washing; (iii) suspending in water; (iv) adding an iron...

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Bibliographische Detailangaben
Hauptverfasser: BERWEILER, MONIKA, HOEPP, MATTHIAS, SAUER, JOERG, VANHEERTUM, RUDOLF DR, FREUND, ANDREAS, GIRKE, WALTER, OSTGARD, DANIEL
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
ACYCLIC OR CARBOCYCLIC COMPOUNDS
CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY
CHEMISTRY
METALLURGY
ORGANIC CHEMISTRY
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
THEIR RELEVANT APPARATUS
TRANSPORTING
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Beschreibung
Zusammenfassung:Raney copper catalyst (A) doped with at least one of iron and a noble metal. Independent claims are also included for the following: (a) preparation of (A) by: (i) activating a copper-aluminum alloy with aqueous sodium hydroxide solution; (ii) washing; (iii) suspending in water; (iv) adding an iron or noble metal salt, at solution pH 4-11; and (v) separating (A) then washing it; and (b) method for catalytic dehydrogenation of alcohols (I) to corresponding carbonyl compounds or carboxylic acids, using the above catalyst.