... requirements. Must not create any significant environmental problems. When the proposed heavy oil feedstock qualities are compared to Alberta Light (Table 1), the problems of upgrading became very apparent. Saskatchewan heavy crude oil contains unacceptable levels of sulphur, nitrogen, and metals...

... consisting of Mene Mota and Lago Treco crudes. These are low gravity streams consisting mostly of pitch with high amounts of sulphur, asphaltenes, and relatively high amounts of nitrogen and metals. In the CANMET Hydrocracking Process a high degree of conversion of the pitch (+975 °F) is achieved producing...