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Fall 2023
At the heart of heavy oil and bitumen upgrading, thermal conversion technologies are found. One such process is visbreaking where bitumen is thermally converted into lighter materials. However, the conversion by visbreaking is limited by the onset of the formation of solid carbonaceous materials...
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Spring 2016
Visbreaking is described as a mild thermal cracking, low conversion process, which industrially operates in the temperature range of 430 to 490 °C. Conversion is limited by the onset of coke formation. The main objective of visbreaking in conventional oil refineries is to reduce the viscosity of...
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