I would like to ask everyone for advice
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What are the differences between the residue from the viscosity reduction unit and vacuum residue in terms of softening point, specific gravity, and viscosity? The viscosity-reduced residue oil I’m referring to is the one that has been cracked; after all the cracked oil is sent out,! Thank you all!
The viscosity of the reduced-viscosity residue is low, while that of the others is more or less the same.
The viscosity of the cracked reduced-viscosity residue decreases, while that of others sometimes increases.