Refrigeration – Processes – Circulating external gas
Patent
1981-08-25
1983-05-24
Yudkoff, Norman
Refrigeration
Processes
Circulating external gas
62 18, 62 40, F25J 302
Patent
active
043848761
ABSTRACT:
A process for producing krypton and xenon in which relation to the air separation plant is restricted to receipt of liquid oxygen as raw material of krypton and xenon and return of liquid oxygen produced by the process. Heat which is necessary for rectification is provided by an argon recycle system.
REFERENCES:
patent: 3222878 (1965-12-01), Becker
patent: 3222879 (1965-12-01), Stoklosinski
patent: 3509728 (1970-05-01), Mercer et al.
patent: 3596471 (1971-08-01), Streich
patent: 3768270 (1973-10-01), Schuftan
patent: 3779028 (1973-12-01), Schuftan et al.
Ishii Juichi
Mori Tatsuo
Nippon Sanso K.K.
Yudkoff Norman
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