F - Mech Eng,Light,Heat,Weapons – 25 – J
Patent
F - Mech Eng,Light,Heat,Weapons
25
J
162/104
F25J 3/02 (2006.01) F25J 3/04 (2006.01)
Patent
CA 2004263
ARGON PURIFICATION Abstract of the Disclosure A process and apparatus for air separation by low temperature rectification are described in which argon is obtained exclusively by rectification. A crude argon column (24) is equipped with at least 150 theoretical plates in the form of low pressure drop packing so that, in it, a substantially complete separation of the oxygen is possible, e.g., less than about 10 ppm, preferably less than 1 ppm oxygen.
Corduan Horst
Rohde Wilhelm
Johnson Ernest Peter
Linde Aktiengesellschaft
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