Catalyst – solid sorbent – or support therefor: product or process – Catalyst or precursor therefor – Metal – metal oxide or metal hydroxide
Patent
1982-12-14
1984-09-04
Shine, W. J.
Catalyst, solid sorbent, or support therefor: product or process
Catalyst or precursor therefor
Metal, metal oxide or metal hydroxide
B01J 2104, B01J 2344
Patent
active
044698160
ABSTRACT:
A catalyst composition comprising a uniform dispersion of individual metallic palladium particles, substantially free of clusters of said particles, on and throughout an alumina aerogel support, said composition having a BET surface area in the range of about 20 to about 700 m.sup.2 /g, a pore volume in the range of about 1.5 to about 12 cm.sup.3 /g, a bulk density in the range of about 0.003 to about 0.5 g/cm.sup.3 and having a Pd.degree./Al.sub.2 O.sub.3 weight ratio of about 1:1000 to about 1:5 is disclosed. A process of preparing the catalyst composition having metallic palladium impregnated on alumina aerogel and a process of using same as a hydrogenation catalyst are also disclosed.
REFERENCES:
patent: 3136818 (1964-06-01), Sperber et al.
patent: 3963646 (1976-06-01), Teichner et al.
patent: 4265834 (1981-05-01), Birkenstock et al.
Meschke et al., "Palladium Catalysts IX, Kinetic Studies", J. Org. Chem., 1960, vol. 25, pp. 137-140.
Rylander et al., "Selectivity in Hydrogenation over Platinum Metal Catalysts: Nitro Aromatics", Ann. N.Y. Acad. Sci., 1970, vol. 172, pp. 266-275.
Teichner et al., "Inorganic Oxide Aerogels", Advances in Colloid and Interface Science, 1976, vol. 5, pp. 245-273.
Armor John N.
Carlson Emery J.
Allied Corporation
Fuchs Gerhard H,.
Hoffman Thomas D.
Shine W. J.
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