Patent ID: 9745526
Date: 2017-08-29
CPC Classifications: C01B,C10G,C10L,Y10T

Claim:
1. An apparatus, comprising: a hydrogenator devoid of sulfide absorbent, connected to a source of hydrogen-containing gas and to a source of hydrocarbon feedstock and configured to catalytically react a substantial portion of any olefins or oxygen in the feedstock to alkanes or water, respectively, wherein the hydrogenator comprises a dual coil heat exchanger having catalyst disposed on surfaces of a primary coil and having a secondary coil with flowing water at pressure to evaporate within a predetermined temperature range; and a hydrodesulfurizer having a catalyst/absorber bed, which may have or may not have a feedstock heater upstream of the catalyst/absorber bed, the hydrodesulfurizer inlet connected to the outlet of the hydrogenator, either through a heat exchanger or directly, to continuously receive feedstock from the source of feedstock, through the hydrogenator, whether or not the feedstock entering the hydrogenator contains olefins or oxygen.