METHOD AND APPARATUS FOR REMOVING SUBSTANCES FROM SOLID MATRIX WITH ENERGY SAVING

A method and apparatus for washing solid matrices such as swarf from machining operations, bottles or other containers, contaminated with lubricating oils or similar substances, are described. The method is implemented with liquid CO2 which dissolves the organic substances and is then separated ther...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	FEDEGARI, Fortunato, PALLADO, Paolo, SCULLINO, Andrea
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BLASTING CLEANING CLEANING IN GENERAL DISPOSAL OF SOLID WASTE HEAT EXCHANGE IN GENERAL HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS,IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT HEATING LIGHTING MECHANICAL ENGINEERING PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL PREVENTION OF FOULING IN GENERAL RECLAMATION OF CONTAMINED SOIL SOIL SEPARATION TRANSPORTING WEAPONS
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Beschreibung
Zusammenfassung:	A method and apparatus for washing solid matrices such as swarf from machining operations, bottles or other containers, contaminated with lubricating oils or similar substances, are described. The method is implemented with liquid CO2 which dissolves the organic substances and is then separated therefrom by evaporation; the evaporated CO2 is then compressed and condensed in order to recommence the cycle. An advantage of the method and apparatus is that some of the heat supplied to the CO2 for its evaporation and some of that removed for its condensation are obtained by providing for an exchange of heat between the evaporator and the condenser of the system.