Catalyst for concentrating hydrogen isotopes and process for pro

Details Catalyst for concentrating hydrogen isotopes and process for pro Catalyst for concentrating hydrogen isotopes and process for pro

1979-04-30

1981-03-31

Howard, Jacqueline V.

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

252472, 423580, 423648A, B01J 3106, C01B 502

Patent

active

042592097

ABSTRACT:
A catalyst for concentrating hydrogen isotopes for use in performing hydrogen isotopes exchange between gaseous hydrogen and liquid water, the catalyst comprising a support of porous polytetrafluoroethylene having a total specific surface area of 2 to 80 m.sup.2 /g as a result of mixing therewith 0.5 to 15% by weight of fluorocarbon or a porous styrene polymer or styrene/divinylbenzene copolymer having a specific surface area of at least 150 m.sup.2 /g, and deposited on the support particles of at least one element selected from Group VIII of the Periodic Table. A method for producing a support of porous polytetrafluoroethylene for such catalyst is also disclosed.

REFERENCES:
patent: 3888974 (1975-06-01), Stevens
patent: 3981976 (1976-09-01), Stevens
patent: 4025560 (1977-05-01), Rolston et al.
patent: 4126667 (1978-11-01), Butler et al.
patent: 4143123 (1979-03-01), Butler et al.

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