INTEGRATED POWER GENERATION SYSTEM

摘要

In an air separation plant integrated with another process, work is recovered from a nitrogen-enriched stream produced by an air separation process either by expanding the nitrogen-enriched stream directly in a turbine or by combustion of the nitrogen-enriched stream with a fuel stream and expanding gas produced by the combustion. The work produced by the expansion is maximized by mixing the nitrogen-enriched stream before the expansion step with a further gas stream which may be air or may contain at least about 2 mol.% oxygen and/or at least about 2 mol.% argon and/or at least about 10 mol.% carbon dioxide.