Patent ID: 8673225
Filing Date: 2014-03-18
Classification: B01J

Abstract:
1. A composite continuous countercurrent fluidized moving bed and/or expanded moving bed system comprising: two or more (n>2) fluidized/expanded moving bed stages/columns ( 8 ); operated in continuous countercurrent fluidized/expanded bed mode and stacked one above the other; wherein each stage/column ( 8 ) involves solid adsorbent particulate bed flowing downwards countercurrent to a primary liquid and a secondary/auxiliary liquid flowing upwards, with the fluid superficial velocity in each stage/column ( 8 ) exceeding the minimum fluidization velocity of the particle fluid system; one or more means to feed ( means to collect said solid adsorbent from the n means to uniformly distribute ( means to transport ( means to control ( the means to feed ( means to uniformly distribute primary and secondary/auxiliary liquids while entering each stage/column ( means to feed ( the means for outflow of both primary and secondary liquids together at the top end of the respective stage/column (