Single-stage hydrotreating process

Details Single-stage hydrotreating process Single-stage hydrotreating process

C - Chemistry, Metallurgy

10

G

196/132

C10G 45/06 (2006.01) C10G 45/08 (2006.01)

Patent

CA 1249541

K 7517 A B S T R A C T SINGLE-STAGE HYDROTREATING PROCESS A process for catalytically converting pitch-containing residual hydrocarbon oils at elevated temperature and pressure in the presence of hydrogen, which comprises passing a mixture containing 5-60 %v residual oil and catalytic cracking feedstock with hydrogen downwardly into a hydrotreating zone over a stacked-bed catalyst under conditions suitable to convert from 45-75% of the sulphur compounds present in the mixture to H2S; wherein said stacked-bed comprises an upper zone containing 15-85 %v, basis total catalyst, of a hydrotreating catalyst comprising a component from Group VIB, a Group VIII metal, metal oxide or metal sulphide and a phosphorus compound and a lower zone of a hydrotreating catalyst comprising a component from group VIB, a Group VIII metal, metal oxide or metal sulphide and less than 0.5 %w of phosphorus and separating the reaction product from said hydrotreating zone into a hydrogen-rich gas and a liquid residue-containing oil having reduced sulphur and/or heavy metal content. cdrh04

488158

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