Hydrocarbon conversion process and the stripping of the fouled catalyst with regeneration gases containing hydrogen

Claim 1

IN THE PROCESS FOR THE CONVERSION OF HYDROCARBONS WHEREIN THE HYDROCARBONS CONTACT A PARTICULATE CATALYST IN A CONVERSION ZONE AT AN ELEVATED CONVERSION TEMPERATURE AND AN OXYGEN-CONTAINING GAS CONTACTS SAID CATALYST IN A CATALYST REGENERATION ZONE AT A REGENERATION TEMPERATURE HIGHER THAN SAID CONVERSION TEMPERATURE TO CONSUME CARBONACEOUS MATTER DEPOSITED ON SAID CATALYST BY SAID HYDROCARBONS, THE IMPROVEMENT WHICH COMPRISES MAINTAINING A THIRD ZONE AT A TEMPERATURE INTERMEDIATE SAID CONVERSION AND REGENERATION TEMPERATURES, PASSING REGENERATED CATALYST FROM SAID REGENERATION ZONE TO SAID THIRD ZONE AND FOULED CATALYST WITH A DEPOSIT OF CARBONACEOUS MATTER AND WITH ABSORBED HYDROCARBONS FROM SAID CONVERSION ZONE TO SAID THIRD ZONE AND EFFECTING ADMIXTURE OF SAID REGENERATED CATALYST AND SAID FOULED CATALYST IN SAID THIRD ZONE MAINTAINING A REGENERATION TEMPPERATURE OF AT LEAST 1600* F. IN SAID REGENERATION ZONE AND REGENERATING SAID CATALYST IN SAID REGENERATION ZONE IN THE PRESENCE OF OXYGEN OF AT LEAST 90% BY VOLUME PURITY AND STEAM WHEREBY TO PRODUCE REGENERATION PRODUCT GASES CONTAINING A SUBSTANTIAL PROPORTION OF HYDROGEN AND CARBON MONOXIDE, FLOWING THE REGENERATION PRODUCT GASES AND STEAM FROM SAID REGENERATION ZONE THROUGH SAID THIRD ZONE THEREBY STRIPPING SAID ABSORBED HYDROCARBONS FROM SAID FOULED CATALYST, AND PASSING ADMIXED CATALYST FROM SAID THEIRD ZONE TO SIAD REGENERATION ZONE.