SUPPORTED PRECIOUS METAL CATALYST,METHOD FOR ITS PRODUCTION AND METHOD FOR PRODUCING MIXTURE OF CYCLOHEXYLAMINE AND DICYCLOHEXYLAMINE USING SAME

PURPOSE: To prepare (substd.) cyclohexylamine and (substd.) dicyclohexylamine by catalytic hydrogenation of (substd.) aniline with use of a catalyst. CONSTITUTION: A catalyst contains ruthenium, palladium or mixture of both on a carrier comprising niobic acid Nb2 O5 .nH2 O, tantalic acid Ta2 O5 .nH2...

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Hauptverfasser: OTSUTOO IMERU, GERUTOOMIHIYAERU PETORUKU, HERUMUUTO BARUTOMAN, GERUHARUTO DARUSOU
Format: Patent
Sprache:eng
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Zusammenfassung:PURPOSE: To prepare (substd.) cyclohexylamine and (substd.) dicyclohexylamine by catalytic hydrogenation of (substd.) aniline with use of a catalyst. CONSTITUTION: A catalyst contains ruthenium, palladium or mixture of both on a carrier comprising niobic acid Nb2 O5 .nH2 O, tantalic acid Ta2 O5 .nH2 O or a mixture of both in the total amount of 0.05-5 wt.%, pref. 0.1-4 wt.%, particularly pref. 0.1-3 wt.%, and at a weight ratio between Ru and Pd of 1:9-9:1, pref. 2:8-8:2, particularly pref. 3:7-7:3 in the case of the use of Ru/Pd mixture, relative to the total weight of the catalyst.