Separation of wax by filtration with flue gas chilling

Claim 1

IN A CONTINUOUS PROCESS FOR SEPARATION OF WAX FROM A CHILLED MIXTURE OF WAX, OIL AND SOLVENT BY FILTRATION OF SAID MIXTURE IN AN ATMOSPHERE OF FLUE GAS TO PRODUCE A SEPARATED WAX AND A FILTRATE CONTAINING SAID FLUE GAS, THE IMPROVEMENT WHICH COMPRISES WITHDRAWING FROM THE FILTRATION OPERATION FILTRATE CONTAINING SAID FLUE GAS, PASSING SAID WITHDRAWN FILTRATE TO A GAS-LIQUID SEPARATING OPERATION THEREBY SEPARATING FLUE GAS CONTAINED IN THE FILTRATE AND PRODUCING A DENUDED FILTRATE, IN THE FILTRATE AND PRODUCING A DENUDE FILTRATE, GAS, COOLING THE COMBINED MAKE-UP GAS AND FLUE GAS TO CONDENSE LIQUID THEREFROM, SEPARATING THE CONDENSED LIQUIDS FROM SAID COMBINED GAS, REMOVING LIQUID FROM SAID GAS-LIQUID SEPARATING OPERATION, CONTACTING SAID COMBINED GAS WITH SAID DENUDED FILTRATE, THEREBY FURTHER COOLING THE GAS TO THE FILTRATION TEMPERATURE AND SIMULTANEOUSLY SCRUBBING THE COMBINED GAS, AND PASSING SAID COOLED AND SCRUBBED GAS TO THE FILTRATION OPERATION.