Reaction-regeneration system for hydroforming naphtha with platinumalumina catalyst

Claim 1

A PLATINUM CATALYST HYDROFORMING SYSTEM WHICH COMPRISES A FIRST HEATER, FIRST REACTOR, A SECOND HEATER, A SECOND REACTOR, A THIRD HEATER, A THIRD REACTOR, A HEAT EXCHANGE, A COOLER, A SEPARATOR, A RECYCLE GAS COMPRESSOR AND CONNECTING LINES FOR PASSING A GASEOUS STREAM IN SERIES THROUGH THE NAMED ELEMENTS AND THENCE THROUGH THE HEAT EXCHANGE BACK TO THE INLET OF THE FIRST HEATER, EACH OF SAID REACTORS CONTAINING A BED OF PLATINUM HYDROFORMING CATALYST, SEPARATE LINES, EACH CONTAINING A VALVE, FOR INTRODUCING AIR IN CONTROLLED AMOUNTA TO CONNECTING LINES LEADING TO THE RESPECTIVE REACTORS, A LINE FOR INTRODUCING FLUE GAS TO THE CONNECTING LINE WHICHENTERS THE COOLER, SEPARATE LINES CONNECTING THE OUTLET SIDE OF EACH REACTOR DIRECTLY TO THE LINE FOR INTRODUCING FLUE GAS, A GAS VENT LINE CONTAINING A VALVE ON THE DOWNSTREAM SIDE OF THE COMPRESSOR AND AT LEAST ONE LIQUID DRAW-OFF LINE FROM THE BOTTOM OF THE SEPARATOR.