Separation process

Claim 1

A PROCESS FOR SEPARATING AN ORGAINC COMPOUND CAPABLE OF FORMING A SOLID ADDUCT WITH AN AMIDE SELECTED FROM THE GROUP CONSISTING OF UREA AND THIOUREA FROM ADMIXTURE WITH AN ORGANIC COMPOUND NOT CAPABLE OF FORMING SUCH ADDUCT WHICH COMPRISES CONTINUALLY MOVING CRYSTALS OF SAID AMIDE AGGREGATED INTO A COLUMN OR MASS DOWNWARDLY BY GRAVITY FLOW THROUGH AN ADDUCTFROMING ZONE, CONTINUALLY FEEDING SAID ADMIXTURE IN THE LIQUID PHASE AT AN INTERMEDIATE POINT INOT SAID ADDUCT-FORMING ZONE TO CONTACT SAID MOVING MASS OF SAID AMIDE, CONTINUALLY WITHDRAWING SAID NON-ADDUCT-FORMING COMPOUND FROM THE UPPER PORTION OF SAID ADDUCT-FORMING ZONE, PASSING AN ADDUCT OF SAID AMIDE AND SAID ADDUCT-FORMING COMPOUND TO THE LOWER PORTION OF SAID ZONE, DECOMPOSING SAID ADDUCT, PASSING AT LEAST A PORTION OF THE RESULTANT LIBERATED ADDUTC-FORMING COMPOUND TO THE LOWER PORTION OF SAID ZONE TO ACT AS REFLUX THEREIN, AGITATING THE UPPER PORTION OF SAID ZONE TO PREVENT THE ADUCT FORMED THEREIN FROM BRIDGING ACROSS AND CLOGGING SAID ZONE AND RECYCLING SUFFICIENT OF SAID WITHDRAWN NON-ADDUCTFORMING COMPOUND TO SAID ZONE TO PROVIDE AT LEAST A PROTION OF SAID AGITATION.