Refrigeration – Processes – Circulating external gas
Patent
1986-04-25
1987-11-10
Capossela, Ronald C.
Refrigeration
Processes
Circulating external gas
62 28, 62 38, F25J 304
Patent
active
047055480
ABSTRACT:
Liquid nitrogen, oxygen and/or argon are produced from a cryogenic distillative separation efficiently and economically using a combination of air recycle and nitrogen recycle to produce a liquid product.
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patent: 4152130 (1979-05-01), Theobald
patent: 4372764 (1983-02-01), Theobald
patent: 4375367 (1983-03-01), Prentice
patent: 4400188 (1983-08-01), Patel et al.
patent: 4464188 (1984-08-01), Agrawal et al.
Agrawal Rakesh
Auvil Steven R.
Air Products and Chemicals Inc.
Capossela Ronald C.
Chase G. L.
Marsh W. F.
Simmons J. C.
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