Patent ID: 7628893
Filing Date: 2009-12-08
Classification: B01D,B01J,Y10S

Abstract:
1. A flash evaporation apparatus for separating components of liquid-liquid or liquid-solids compositions which comprises: an evaporator vessel having an inner chamber with a vertical axis and a particle collection portion at the bottom; feeding means for delivering feed liquid compositions to be separated under elevated temperature and pressure to an atomizing spray nozzle; at least one atomizing spray nozzle located within and at the top part of said evaporator vessel; said at least one atomizing spray nozzle providing a downward spray cone angle of about 30 to 150 degrees; means for providing heat within the inner chamber of said evaporator vessel; means for heating the walls of said evaporator vessel; at least one condenser operatively connected with the upper portion of said evaporator vessel to collect evaporated liquid; vacuum means operatively connected with said at least one condenser for maintaining a vacuum in said at least one condenser and said evaporator vessel; at least one separate liquid collecting means connected to said at least one condenser; and means for measuring the temperature within said evaporator vessel collected at the bottom of said evaporator vessel.