CRYOGENIC AIR SEPARATION SYSTEM FOR PRODUCING MODERATE PURITY OXYGEN AND MODERATE PURITY NITROGEN

摘要

PURPOSE: A cryogenic air separation system is provided which produces a moderate purity oxygen and a moderate purity nitrogen. CONSTITUTION: The cryogenic air separation system wherein feed air is initially processed to produce a vapor and a liquid, the vapor is then processed in a rectifying section(142) of a reflux condenser to produce moderate purity nitrogen, and the liquid is processed in a stripping section(144) of the reflux condenser to produce moderate purity oxygen.