5 Questions
What is the primary objective of visbreaking?
To reduce viscosity of the residue
What is the typical conversion percentage of heavy ends to gas, gasoline, and distillates in catalytically cracked products?
10–25%
What is the main cause of high pour point and viscosity for paraffinic base residue?
Long paraffinic side chains attached to aromatic rings
In addition to reducing viscosity, what else can visbreaking be used for?
Converting fuel oil into lighter distillates
What does the visbreaking process favor in terms of the paraffinic side chains?
Breaking of the side chains and subsequent cracking
Test your knowledge of the thermal cracking process used in petroleum refining with this quiz. Explore the key concepts and products generated, suchjson as gasoline and gas oil, and understand the importance of reducing viscosity and pour point to meet fuel oil specifications.
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