Method for operating a cryogenic rectification column

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 press...

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Bibliographic Details
Main Authors LOCKETT, MICHAEL JAMES, BILLINGHAM, JOHN FREDRIC, SEILER, DANIEL MARK
Format Patent
LanguageEnglish
Published 01.11.2000
Edition7
Subjects
BLASTING
CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY
COMBINED HEATING AND REFRIGERATION SYSTEMS
HEAT PUMP SYSTEMS
HEATING
LIGHTING
LIQUEFACTION SOLIDIFICATION OF GASES
LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS
MANUFACTURE OR STORAGE OF ICE
MECHANICAL ENGINEERING
MIXTURES BY PRESSURE AND COLD TREATMENT
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
REFRIGERATION OR COOLING
THEIR RELEVANT APPARATUS
TRANSPORTING
WEAPONS
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Summary: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.
Bibliography:Application Number: TW199988113133