Method for recovering energy from dry ice at infra-atmospheric pressure

A method of recovering energy produced by the change of phase of dry ice using a device having an enclosure (2) containing dry ice at an infra-atmospheric pressure and at a solidification temperature corresponding to the infra-atmospheric pressure; and a primary energy recovery circuit (3), in which...

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Bibliographische Detailangaben
Hauptverfasser:	Toubassy, Joseph, Clodic, Denis
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING DRYING DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED,LIQUEFIED, OR SOLIDIFIED GASES FIXED-CAPACITY GAS-HOLDERS HEATING LIGHTING MECHANICAL ENGINEERING STORING OF DISTRIBUTING GASES OR LIQUIDS VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED ORSOLIDIFIED GASES WEAPONS
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Beschreibung
Zusammenfassung:	A method of recovering energy produced by the change of phase of dry ice using a device having an enclosure (2) containing dry ice at an infra-atmospheric pressure and at a solidification temperature corresponding to the infra-atmospheric pressure; and a primary energy recovery circuit (3), in which a heat transfer fluid circulates, passing through the enclosure. The method involves passage of the heat transfer fluid into the primary circuit (3), this step causing the heating of the dry ice and its change of phase into CO2 and the cooling of the heat transfer fluid; extraction of the CO2 contained in the enclosure (2); and substantially continuous lowering of the pressure of the enclosure (2) to an infra-atmospheric pressure.