TECHNOLOGY FOCUS - INORGANIC CHEMISTRY - Preferred Process: The step (b) comprises: contacting the naphtha at a first reforming temperature of 800-1100 degrees F, and at a first reforming pressure of 200-400 psig; and contacting the naphtha with the first reforming catalyst, which comprises platinum and rhenium on an alumina support. The step (c) comprises: contacting at least a portion of the penultimate effluent at a second reforming temperature of 800-1100 degrees F, and at a second reforming pressure of 40-200 psig; and contacting at least a portion of the penultimate effluent with the second reforming catalyst comprising silicalite having a silica to alumina molar ratio of at least 200, a crystallite size of less than 10 microns and an alkali content of less than 5000 ppm. The step (c) comprises contacting at least a portion of the penultimate effluent with the second reforming catalyst comprising iridium, platinum and/or palladium. The step (a) comprises providing the naphtha having an RON of less than 75. The step (c) further comprises: isolating an intermediate reformate from the penultimate effluent, the intermediate reformate having an RON within the range of 75-90; and contacting the intermediate reformate at the second reforming temperature with the second reforming catalyst and producing the final reformate having an RON of greater than 90. The step (c) comprises producing a final reformate having an RON of at least 95. The step (d) comprises producing a third reformate having an RON of at least 95. The step (d) comprises reforming the naphtha in the penultimate reforming stage at a temperature that is at least 5 degrees F higher than the first reforming temperature. In the process, regenerating the second reforming catalyst in step (d) comprises: ceasing the flow of intermediate reformate to the final reforming stage; increasing the reforming temperature in the penultimate reforming stage by at least 5 degrees F to produce a third reformate having an RON of at least 90; and regenerating the second reforming catalyst in the final reforming stage. In the process, regenerating the second reforming catalyst in step (d) comprises: passing a nitrogen containing stream through the second reforming stage to remove at least a portion of the naphtha contained in it; passing an oxygen containing stream through the final reforming stage to remove at least a portion of the carbon deposited on the second reforming catalyst contained within the final reforming stage; passing a nitrogen containing stream through the second reforming catalyst to remove at least a portion of the oxygen contained in it; reducing the temperature of the second reforming catalyst within the final reforming stage to a temperature of less than the second reforming temperature; introducing at least a portion of the penultimate effluent to the final reforming stage; and increasing the temperature of the second reforming catalyst to a temperature of 800-1100 degrees F. The process further comprises reducing the reforming temperature in the penultimate reforming stage by at least 5 degrees F.