FREMGANGSMAATE FOR FREMSTILLING AV STORE MENGDER NITROGEN VED RELATIVT HOEYT TRYKK.
摘要
A cryogenic distillative separation of air to recover nitrogen in large quantities and at relatively high pressure wherein a portion of the nitrogen reflux for the distillation is achieved by heat exchanging nitrogen gas in a side reboiler against waste oxygen at reduced pressure.
申请公布号
NO164739(B)
申请公布日期
1990.07.30
申请号
NO19860004298
申请日期
1986.10.28
申请人
AIR PRODUCTS AND CHEMICALS INC.
发明人
SUCHDEO, SHYAM RAMCHAND;PATEL, SURESH UMEDBHAI;HARRIS, CHRISTOPHER FRANCIS