Compositions – X-ray or neutron shield
Patent
1977-04-04
1979-02-13
Shine, W. J.
Compositions
X-ray or neutron shield
252477R, 260669R, B01J 2378, B01J 2386, B01J 3502
Patent
active
041394976
ABSTRACT:
Non-supported, fixed bed catalyst tablets made by spray drying a slurry of the components into microspheres followed by tabletting the microspheres under high pressure in apparatus such as punch and die sets. The catalysts formed according to the process of this invention have better catalytic performance and/or crush strength than do conventionally made pellets such as extrudates.
REFERENCES:
patent: 3209049 (1965-09-01), Pitzer
patent: 3849339 (1974-11-01), Turley et al.
Abstract BE-843,682, Central Patents Index, p. 59, Week Y04, (3/16/77).
Volz, "Spary Drying and Customized Catalyst", Chem. Eng. Progress, vol. 70, No, 11, p. 80 (Nov. 1974).
Castor William M.
Menegos Pete J.
Barrow M. W.
Shine W. J.
The Dow Chemical Company
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