Continuous countercurrent ion exchange method and apparatus
Abstract
Abstract IN A CONVENTIONAL CONTINUOUS COUNTERCURRENT ION EXCHANGE RESIN SYSTEMS, WHEREIN THE REGENERATION TANK HAS AN UPPER RESIN INLET, AN UPPER LIQUID OUTLET, A REGENERANT INLET BELOW THE LIQUID OUTLET, SEPARATION LIQUID INLET MEANS BELOW THE REGENERANT INLET, AND A LOWER RESIN OUTLET BELOW THE SEPARATION LIQUID INLET, A METHOD FOR TRANSFERRING RESIN IS PROVIDED WHICH INSURES A CONTINUOUS UPFLOW DURING THE INTRODUCTION OF REGENERANT. THE TANK IS FILLED WITH RESIN, REGENERANT IS INTRODUCED AT THE REGENERANT INLET, AND A SEPARATION LIQUID AND SUPPLEMENTAL SEPARATION LIQUID ARE INTRODUCED AT THE SEPARATION LIQUID INLET MEANS TO PRESSURIZE THE TANK AND COMPACT THE RESIN OUT THROUGH THE RESIN OUTLET. THE INTRODUCTION OF SUPPLEMENTAL SEPARATION LIQUID AND THE REMOVAL OF RESIN FROM THE TANK AND TERMINATED AT ABOUT THE SAME TIME. THE INVENTION ALSO PROVIDES APPARATUS FOR CARRYING OUT THE METHOD, AND COMPRISING SUPPLEMENTAL SEPARATION LIQUID INLET MEANS COMMUNICATING WITH THE REGENERATION TANK BELOW THE REGENERANT INLET, AND HAVING VALVE MEANS THEREON.
Inventors
- 👤 Donald J Butterworth
Bibliographic Details
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