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Use Of Cryogenic Nitrogen Generator For Oxygen Enrichment Of Air

IP.com Disclosure Number: IPCOM000016609D
Publication Date: 2003-Jul-03

Publishing Venue

The IP.com Prior Art Database

Abstract

This disclosure proposes to supply oxygen-enriched air by injecting waste gas from a modified Cryogenic Nitrogen Generator. In order to minimise non-standard costs only minor modifications are implemented, such as: 1) use of a portion of the pure nitrogen product to regenerate the front-end adsorption beds; 2) use of a nitrogen expander to provide refrigeration; 3) use of nitrogen expansion energy to drive the compression of the oxygen enriched air.