C - Chemistry – Metallurgy – 01 – B
Patent
C - Chemistry, Metallurgy
01
B
23/341, 23/419
C01B 23/00 (2006.01) B01D 53/00 (2006.01) B01J 20/02 (2006.01)
Patent
CA 1300344
Abstract The present invention relates to a superpurifier for argon gas and to a process for superpurifying an argon gas. According to the invention, the superpurifier comprises means for contacting an impurity-containing argon gas with a getter material which is an alloy of zirconium, vanadium and iron. The getter material of the superpurifier selectively sorbs impurities from an impurity-containing argon gas thereby producing a purified argon gas. The present invention also relates to a method of purifying an impurity-containing argon gas using this superpurifier. The present invention provides means for obtaining an argon gas of higher purity than can be obtained by prior purifying processes and apparatus.
512228
Boffito Claudio
Doni Fabrizio
Nagai Kiyoshi
Succi Marco
Perley-Robertson Hill & Mcdougall Llp
Saes Getters S.p.a.
Taiyo Sanso Co. Ltd.
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