Process for cleaning gases

Claim 1

PROCESS FOR SEPARATING FROM GASEOUS SUBSTANCES ENTRAINED DROPLET, MIST, AND DUST PARTICLE CONSTITUENTS, SAID GASEOUS SUBSTANCES FURTHER CONTAINING HIGHER BOILING AND LOWER BOILING CONDENSABLE CONSTITUENTS THEREIN, WHICH COMPRISES COOLING THE GASEOUS SUBSTANCE UNDER PRESSURE FROM A HIGHER ELEVATED TEMPERATURE TO A LOWER ELEVATED TEMPERATURE TO UNDERCOOL THE GASEOUS SUBSTANCE AND EFFECT THE CONDENSATION SUBSTANTIALLY OF ALL OF THE HIGHER BOILING CONDENSABLE CONSTITUENTS THEREIN AND ONLY PARTIALLY OF THE LOWER BOILING CONDENSABLE CONSTITUENTS THEREIN, SUBJECTING THE UNDERCOOLED GASEOUS SUBSTANCE TO A FIRST SEPARATION TREATMENT STEP IN A PARTICLE CONSTITUENT FIRST SEPARATION ZONE TO REMOVE AT LEAST A PORTION OF THE ENTRAINED CONSTITUENTS AND A PORTION OF THE HIGHER BOILING CONDENSED CONSTITUENTS THEREFROM, THEREAFTER MODERATELY HEATING THE GASEOUS SUBSTANCE TO RAISE THE TEMPERATURE AN INCREMENT OF ABOUT 3-200 DEGREES C., TO SUPERHEAT AND IN TURN CAUSE THE EVAPORATION OF THE PART OF THE LOWER BOILING CONSTITUENTS PRESENT IN THE GASEOUS SUBSTANCE WHICH CONDENSED UPON SAID COOLING BUT NOT THE REMAINDER OF THE HIGHER BOILING CONDENSED CONSTITUENTS PRESENT IN THE GASEOUS SUBSTANCE AFTER THE FIRST SEPARATION STEP AND THEN SUBJECTING THE MODERATELY HEATED GASEOUS SUBSTANCE TO A SECOND SEPARATION TREATMENT STEP IN A PARTICLE CONSTITUENT SECOND SEPARATION ZONE TO REMOVE SUBSTANTIALLY THE REMAINING ENTRAINED CONSTITUENTS THEREFROM WITHOUT REMOVING THE SO-EVAPORATED LOWER BOILING CONSTITUENTS.