ENHANCED NITROGEN REMOVAL IN AN LNG FACILITY

AN LNG FACILITY EMPLOYING AN ENHANCED NITROGEN REMOVAL SYSTEM THAT CONCENTRATES THE AMOUNT OF NITROGEN IN THE FEED STREAM TO A NITROGEN REMOVAL UNIT (NRU) TO THEREBY INCREASE THE SEPARATION EFFICIENCY OF THE NRU.IN ONE EMBODIMENT, THE NITROGEN REMOVAL SYSTEM COMPRISES A MULTISTAGE SEPARATION VESSEL...

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Bibliographische Detailangaben
Hauptverfasser:	RANSBARGER, WELDON L, ORTEGO, DALE J
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING COMBINED HEATING AND REFRIGERATION SYSTEMS HEAT PUMP SYSTEMS HEATING LIGHTING LIQUEFACTION SOLIDIFICATION OF GASES LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS MANUFACTURE OR STORAGE OF ICE MECHANICAL ENGINEERING MIXTURES BY PRESSURE AND COLD TREATMENT REFRIGERATION OR COOLING WEAPONS
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Beschreibung
Zusammenfassung:	AN LNG FACILITY EMPLOYING AN ENHANCED NITROGEN REMOVAL SYSTEM THAT CONCENTRATES THE AMOUNT OF NITROGEN IN THE FEED STREAM TO A NITROGEN REMOVAL UNIT (NRU) TO THEREBY INCREASE THE SEPARATION EFFICIENCY OF THE NRU.IN ONE EMBODIMENT, THE NITROGEN REMOVAL SYSTEM COMPRISES A MULTISTAGE SEPARATION VESSEL OPERABLE TO SEPARATE NITROGEN FROM A COOLED NATURAL GAS STREAM.AT LEAST A PORTION OF THE RESULTING NITROGEN-CONTAINING STREAM EXITING THE MULTISTAGE SEPARATION VESSEL CAN BE USED AS A REFRIGERANT, PROCESSED TO A NITROGEN REMOVAL UNIT, AND/OR UTILIZED AS FUEL GAS FOR THE LNG FACILITY.