| 초록 |
The petroleum refining industries have become more profitable in recent years owing to the extraordinary value-adding processes of petroleum and petroleum-based products that generate a minimal amount of leftover. However, effectively utilizing unconventional crude oils (high acid crudes, extra heavy crudes), vacuum residue (VR) and deoiled asphaltenes (DOA) to meet the rising demand for middle distillates in the near future remains a great challenge. The high-cost and low-surplus of hydrogen source in refineries complicate the application of existing slurry hydrocracking technologies at a practical scale. As such, supercritical methanol can serve as an effective and economically viable alternative to conventional upgrading techniques. Herein, we discuss catalytic and non-catalytic upgrading of unconventional crude oil, VR and DOA in supercritical alcohols. |
