DE2932333

Nitrogen is separated from oxygen in air by passing the air through a vessel containing carbonaceous molecular sieve until the sieve has adsorbed a predetermined proportion of oxygen. The vessel is then connected to and pressure-equalized with a similar but desorbed vessel and thereupon the connecti...

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Bibliographic Details
Main Authors HEIMBACH, HEINRICH, 4300 ESSEN, DE, KNOBLAUCH, KARL
Format Patent
LanguageEnglish
Published 07.08.1986
Edition4
Subjects
CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY
CHEMISTRY
COMPOUNDS THEREOF
INORGANIC CHEMISTRY
METALLURGY
NON-METALLIC ELEMENTS
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
SEPARATION
THEIR RELEVANT APPARATUS
TRANSPORTING
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Summary:Nitrogen is separated from oxygen in air by passing the air through a vessel containing carbonaceous molecular sieve until the sieve has adsorbed a predetermined proportion of oxygen. The vessel is then connected to and pressure-equalized with a similar but desorbed vessel and thereupon the connection is broken and the stream of air switched to the second similar vessel. During the first 1-10 seconds during which the product (N2) gas issues from the second vessel, this stream is diverted since it contains an unusually high oxygen ratio, and either discharged or recirculated to the incoming air. Thereafter the stream of product gas is collected for further use.
Bibliography:Application Number: DE19792932333