METHOD AND APPARATUS FOR PRODUCING A PRESSURIZED HIGH PURITYLIQUID CARBON DIOXIDE STREAM

The present invention provides a method and apparatus for producing a pressurized high purity liquid carbon dioxide stream in which a feed stream composed of carbon dioxide vapor is purified within a purifying filter and then condensed within a condenser. The result liquid is then alternately introd...

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Bibliographische Detailangaben
Hauptverfasser:	BOYD, ROBERT WALTER, PIKE, JESSI LYNN, CHENG, DAVID C, LEITCH, KELLY
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	BLASTING CHEMISTRY COMBINED HEATING AND REFRIGERATION SYSTEMS COMPOUNDS THEREOF FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED,LIQUEFIED, OR SOLIDIFIED GASES FIXED-CAPACITY GAS-HOLDERS HEAT PUMP SYSTEMS HEATING INORGANIC CHEMISTRY LIGHTING LIQUEFACTION SOLIDIFICATION OF GASES LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS MANUFACTURE OR STORAGE OF ICE MECHANICAL ENGINEERING METALLURGY MIXTURES BY PRESSURE AND COLD TREATMENT NON-METALLIC ELEMENTS REFRIGERATION OR COOLING STORING OF DISTRIBUTING GASES OR LIQUIDS VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED ORSOLIDIFIED GASES WEAPONS
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Beschreibung
Zusammenfassung:	The present invention provides a method and apparatus for producing a pressurized high purity liquid carbon dioxide stream in which a feed stream composed of carbon dioxide vapor is purified within a purifying filter and then condensed within a condenser. The result liquid is then alternately introduced and dispensed fr om two first and second pressure accumulation chambers. The first and second pressure accumulation chambers are heated by electrical heaters to pressurize the liquid to the required or desired delivery pressure of the pressurized liquid carbon dioxi de stream. Such stream is alternately extracted from the first and second pressure accumulation chambers on a continuous basis in which one of the first and second pressure accumulation chambers acts in a dispensing role while the other is being filled. The pressurized liquid carbon dioxide stream can be further filtered within a particulate filter.