Cryogenic deposition of catalysts

Details Cryogenic deposition of catalysts Cryogenic deposition of catalysts

1984-03-12

1986-07-15

Capossela, Ronald C.

Refrigeration

Low pressure cold trap process and apparatus

55269, 62268, 219121ET, 219121EZ, 417901, B01D 800

Patent

active

045998698

ABSTRACT:
A reactor for performing reactions at very low, i.e. cryogenic temperatures has a collection vessel mounted above an electron gun to collect vaporized material such as metals, metal oxides, metal salts and metal halides. The collection vessel is maintained at a very low temperature, typically between 14.degree. and 77.degree. K., by a heat pump that also serves as a support for the collection vessel. A manifold introduces a reagent into the reactor between the electron gun and the vessel to react with the vaporized material and form a product. The product is condensed on the collection vessel which may then be inverted to provide a stable support for the collected product during further experimentation.

REFERENCES:
patent: 2879157 (1959-03-01), Batutis et al.
patent: 3395279 (1968-07-01), Moore
patent: 3558878 (1971-01-01), Neuhaus
patent: 3655902 (1972-04-01), Firestone et al.
patent: 4034181 (1977-07-01), Packard
patent: 4464905 (1984-04-01), Dittrich et al.
patent: 4488964 (1984-12-01), Mitsutsuka

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