Title:
極低温精留塔を運転する方法
Document Type and Number:
Japanese Patent JP3607539
Kind Code:
B2
Abstract:
A method for operating a cryogenic rectification column for the separation of the components of air by cryogenic rectification, whereby the column may be operated above its design capacity without encountering flooding, by passing vapor upward through the column at a flowrate which generates a pressure drop within the column of at least 0.7 inches of water per foot of packing height through a height of defined structured packing sheets having a different structure in their upper and lower portions.
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Inventors:
John Frederick Billingham
Daniel Mark Cyler
Michael james rocket
Daniel Mark Cyler
Michael james rocket
Application Number:
JP21674599A
Publication Date:
January 05, 2005
Filing Date:
July 30, 1999
Export Citation:
Assignee:
Praxair Technology Incorporated
International Classes:
B01J19/32; F25J3/04; (IPC1-7): F25J3/04
Domestic Patent References:
JP10230159A | ||||
JP8206492A |
Attorney, Agent or Firm:
Motohiro Kurauchi
Hiroshi Kazama
Hiroshi Kazama