Economic comparisons have been made between two combined processes for sour crude processing, i. e. delayed coking-hydrofining-FCC and residue hydrodesulfurization-heavy oil FCC.

• 对延迟焦化-加氢精制-催化裂化以及渣油加氢脱硫-重油催化裂化两种加工高硫原油的组合工艺进行了经济对比。