Black oil conversion product separation process

Claim 1

A PROCESS FOR SEPARATING A MIXED-PHASE HYDROCARBONACEOUS CONVERSION PRODUCT EFFLUENT CONTAINING HYDROCARBONS BOILING ABOVE ABOUT 1050*F., WHICH PROCESS COMPRISES THE STEPS OF: (A) SEPARATING SAID PRODUCT EFFLUENT IN A FIRST SEPARATION ZONE AT A TEMPERATURE ABOVE ABOUT 700*F. AND A PRESSURE ABOVE ABOUT 1000 P.S.I.G., TO PROVIDE A FIRST VAPOR PHASE AND A FIRST LIQUID PHASE; (B) CONDENSING SAID FIRST VAPOR PHASE AND SEPARATING THE CONDENSED VAPORS IN A SECOND SEPARATION ZONE AT A TEMPERATURE BELOW ABOUT 140*F. AND A PRESSURE SUBSTANTIALLY THE SAME AS SAID FIRST SEPARATION ZONE, TO PROVIDE A HYDROGEN-RICH SECOND VAPOR PHASE AND A SECOND LIQUID PHASE PRINCIPALLY COMPRISING PROPANE AND HEAVIER NORMALLY LIQUID HYDROCARBONS; (C) INTRODUCING AT LEAST A PORTION OF SAID FIRST LIQUID PHASE INTO A THIRD SEPERATION ZONE AT A POINT BELOW A MESH BLANKET DISPOSED WITHIN SAID THIRD SEPARATION ZONE, AT A TEMPERATURE SUBSTANTIALLY THE SAME AS SAID FIRST SEPARATION ZONE AND AT A PRESSURE LESS THAN ABOUT 200 P.S.I.G., TO PROVIDE A THIRD VAPOROUS PHASE AND A THIRD LIQUID PHASE CONTAINING HYDROCARBONS BOILING ABOVE 1050*F.;