Abstract
Entrained-flow gasification has several advantages over competing technologies for converting petroleum coke, a byproduct of oil refining. However, due to the high capital costs and limits of current commercial technology, the economics look favorable only with high natural gas and oil prices, and high CO2 emission penalties. The objective of the current study is to accelerate the development of petroleum coke gasification technologies via dry-feed pressurized entrained-flow gasifier pilot-scale tests with petroleum coke. The results indicate carbon conversion generally increased with higher O:C ratios. Thermodynamic model predictions generally vary by less than 25% from the experimental outlet gas flow rates of the main species, CO and H2. The predicted flow rates for other gases vary much more from experimental values, while the predicted carbon conversion values are similar (±16 percentage points), and the predicted temperatures are mostly lower than experimental values. Mass balances and enrichment factors were calculated for inorganic elements due to their potential environmental and technological impact. In general, results from this study indicate similar or lower volatility for elements when compared to combustion systems. An inorganic element partitioning model is presented and compared to experimental values. Considerations for other types of petroleum coke are also provided.
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
