Reforming employing refrigerated recycle gas

Claim 1

15. IN THE METHOD OF REFORMING HYDROCARBONS WHEREIN A MIXTURE OF HYDROCARBONS AND HYDROGEN-CONTAINING GAS IS CONTACTED IN A REFORMERA WITH PARTICLE-FORM SOLID REFORMING CATRALYST, WHERIN A REFORMER EFFLUENT COMPRISING HYDROGEN C1 AND HEAVIER HYDROCARBONS, AND WATER IS OBTAINED, WHEREIN SAID REFORMER EFFLUENT IS COOLED AT ELEVATED PRESSURE TO A TEMPERATURE AT WHICH C4 AND HEAVIER HYDROCARBONS CONDENSE, WHEREIN UNCONDENSED REFORMER EFFLUENT COMPRISING HYDROGEN, C1 AND HEAVIER HYDROCARBONS, AND WATER IS SEPARATED FROM CONDENSED C4 AND HEAVIER HYDROCARBONS, AND WHEREIN SAID SEPARATED UNCONDENSED REFORMER EFFLUENT IS HEATED TO REFORMING TEMPERATURE AND RECYCLED TO SAID REFORMER, THE IMPROVEMENT WHICH COMPRISES MIXING SAID UNCONDENSED REFORMER EFFLUENT WITH AN AMOUNT OF SELF-COOLED SECOND CONDENSATE (OBTAINED AS HEREINAFTER DESCRIBED) TO CONDENSED C4 AND HEAVIER HYDROCARBONS AND WATER AND TO PROVIDE A SECOND UNCONDENSED REFORMED EFFLUENT HAVING A DEW POINT WITH REPSECT TO WATER NOT HIGHET THAN ABOUAT +60*F. AND CONTAINING NOT MORE THAN ABOUT 4 MOL PERCENT OF C4 C5 AND C4 HYDROCARBONS AND A SECOND CONDENSATE COM-