Liquid-liquid extraction apparatus and method

Abstract

Abstract AN APPARATUS AND METHOD FOR LIQUID-LIQUID EXTRACTOR, THE APPARATUS COMPRISING A SUBSTANTIALLY CYLINDRICAL VERTICALLY ALIGNED EXTRACTION CHAMBER, A TUBE EXTENDING THROUGH AN UPPER AREA OF THE WALL OF SAID CHAMBER AND EXTENDING INTO SAID CHAMBER A DISTANCE SUCH THAT ITS INTERIOR END WHICH IS OPEN TO SAID CHAMBER TERMINATES AT A POINT JUST ABOVE THE EXTRACT-RAFFINATE INTERFACE WITHIN SAID CHAMBER, THE END OF SAID TUBE EXTERIOR TO SAID CHAMBER BEING PROVIDED WITH VALVING MEANS PERMITTING ALTERNATE OPEN COMMUNICATION WITH A SOLVENT SOURCE AND AN EXTRACT RECEIVING CONTAINER, AN INLET AND OUTLET MEANS IN AN UPPER AREA OF THE WALL OF SAID EXTRACTION CHAMBER, SAID INLET AND OUTLET MEANS BEING IN OPEN COMMUNICATION WITH SAID CHAMBER ABOVE THE FLUID FILL LEVEL OF SAID CHAMBER, SAID INLET MEANS ALSO BEING IN OPEN COMMUNICATION WITH AN INERT GAS SOURCE AND SAID OUTLET MEANS OPENING TO A VENT AND SAID INLET AND OUTLET MEANS BEING PROVIDED WITH VALVE MEANS FOR CONTROLLING FLOW THROUGH SAID INLET AND OUTLET MEANS, AND A GAS DISTRIBUTING MEANS ADJACENT THE LOWER END OF SAID CHAMBER FOR INTRODUCING AN INERT GAS INTO THE LOWER PORTION OF SAID CHAMBER, SAID GAS DISTRIBUTING MEANS BEING PROVIDED WITH A VALVE MEANS FOR CONTROLLING INTRODUCTION OF GAS INTO SAID CHAMBER THROUGH SAID GAS DISTRIBUTING MEANS.

Inventors

• 👤 O L Pirtle

Bibliographic Details