Separation of iron chloride from gaseous iron chloride-titanium tetrachloride mixtures

Claim 1

A CONTINUOUS PROCSS FOR SEPARATING IRON CHLORIDE IN APPARENTLY DRY PARTICULATE FORM FROM A HOT CRUDE IRON CHLORIDE-TITANIUM TETRACHLORIDE GASEOUS MIXTURE WHICH COMPRISES COOLING SAID HOT GASEOUS MIXTURE AT LEAST CHIEFLY BY DIRECT CONTACT WITH RECYCLED IRON CHLORIDE-TITANIUM TETRACHLORIDE SLURRY TO CONDENSE SUBSTANTIALLY ALL OF THE IRON CHLORIDE IN SAID GASEOUS MIXTURE IN THE FORM OF APPARENTLY DRY PARTICLES AND AT THE TIME DRYING THE IRON CHLORIDE PARTICLES IN SAID SLURRY TO SUBSTANTIALLY THE SAME FORM; SETTLING OUT A SUBSTANTIAL PROPORTION BUT NOT SUBSTANTIALLY ALL OF SAID CONDENSED AND SAID DRIED PARTICLES FROM SAID GASEOUS MIXTURE; SEPARATELY SCRUBBING THE GASEOUS MIXTURE WITH SUFFICIENT LIQUID TITANIUM TETRACHLORIDE TO WASH SUBSTANTIALLY ALL THE RESIDUAL IRON CHLORIDE PARTICLES FROM SAID GASEOUS MIXTURE IN THE FORM OF A PUMPABLE SLURRY; AND RECYCLING SAID SLURRY TO SAID HOT GASEOUS MIXTURE.