In addition to the hydrotreated vacuum wax oil, the feed also contains hydrotreated coked wax oil – does this count as heavy oil catalytic cracking?
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Or, in the context of the definition of heavy oil catalytic cracking, are all those cases where heavier components besides the vacuum wax oil fraction, or the fractions obtained from the secondary processing of such components, are used as feedstock for catalytic cracking considered to fall under heavy oil catalytic cracking?
In my opinion, the process used for processing heavy residual oil is called heavy oil catalytic cracking
There is no need to worry about whether to include residue oil or not; some wax accelerators also contain a small amount of residue oil, depending on the blending ratio and the carbon residue content in the mixed raw materials