US PATENT SUBCLASS 62 / 939
Partial feed stream expansion (air)

Current as of: June, 1999
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939Partial feed stream expansion (air) {1}
940  DF  .~> High pressure column

DEFINITION

Classification: 62/939

Partial feed stream expansion(air):

Subject matter specific to air separation wherein the compressed feed stream is partially heat exchanged against products of separation and flowline expanded prior to entering a distillation column.