CRYOGENIC RECTIFICATION SYSTEM FOR PRODUCING HIGH PRESSURE NITROGEN PRODUCT

摘要

CRYOGENIC RECTIFICATION SYSTEM FOR PRODUCING HIGH PRESSURE NITROGEN PRODUCT A cryogenic rectification system employing a coupled expander and compressor wherein a process stream employs system energy to drive the expander to compress product nitrogen while generating refrigeration to assist in carrying out the rectification thereby carrying out the rectification at a lower pressure.