Selective hydrotreating of different hydrocarbonaceous feedstocks in temperature regulated hydrotreating zones
Abstract
Abstract IN THE SELECTIVE HYDROTREATMENT OF ANY PLURALITY OF DIFFERENTLY CONSTITUTED HYDROCARBONACEOUS FEEDSTOCKS IN A PLURALITY OF HYDROTREATING ZONES, WHEREIN A FIRST SUCH FEEDSTOCK IS HYDROTREATED IN ADMIXTURE WITH AN EXCESS OF HYDROGEN IN A FIRST HYDROTREATING ZONE TO OBTAIN A FIRST ZONE EFFLUENT THAT IS THEN FED TO A SECOND HYDROTREATING ZONE INT WHICH A SECOND HYDROCARBONACEOUS FEEDSTOCK IS INTRODUCED, THE FIRST ZONE EFFLUENT IS COOLED TO A TTEMPERATURE WITHIN A PREDETERMINED RANGE PRIOR TO HYDROTREATMENT IN THE SECOND ZONE, THE SECOND FEEDSTOCK CONSTITUTING A PARTIAL BUT NOT THE SOLE COOLANT FOR THE COOLING. SUPPLEMENTAL COOLING IS PROVIDED DIRECTLY BY CONTACT WIT INJECTED WATER OR INDIRECTLY BY INTERSTAGE COOLING EXTERIORLY OF THE HYDROTREATING ZONES.
Inventors
- 👤 F Antezana
- 👤 J Hochman
- 👤 H Weinberg
Bibliographic Details
Claims Analysis
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