Refrigeration – Cryogenic treatment of gas or gas mixture – Separation of gas mixture
Patent
1999-02-08
2000-10-10
Doerrler, William
Refrigeration
Cryogenic treatment of gas or gas mixture
Separation of gas mixture
62902, 62911, F25J 300
Patent
active
061289213
ABSTRACT:
In this plant (1), a common thermal insulation wall (14) surrounds first and second distillation units (2, 3, 4, 5). A first product stream is removed from the first unit and a second stream is removed from the second unit, the first and second streams are mixed without having previously been compressed or expanded with the production of external work.
REFERENCES:
patent: 3161492 (1964-12-01), Keith et al.
patent: 5349827 (1994-09-01), Bracque et al.
patent: 5412954 (1995-05-01), Grenier
patent: 5896755 (1999-04-01), Wong et al.
Guillard Alain
Saulnier Bernard
Doerrler William
L'Air Liquide
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