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Visbreaking is a non-catalytic thermal process that converts atmospheric or vacuum residues via thermal cracking to gas, naphtha, distillates, and visbroken residue. Atmospheric and vacuum residues are typically charged to a visbreaker to reduce fuel oil viscosity and increase distillate yield in the refinery. Advantages of the Foster Wheeler/UOP visbreaking process are: High sulfur fuel oil reduction
Reduces distillate cutter stock requirements, making the distillate available for more valuable transportation distillate fuels
Low cost upgrading ($900 / BPSD US Gulf Coast basis)
There are two types of visbreaking technology that...
