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Syngas Production from Petroleum Coke Gasification

Team Hotel: Russell Cabral, Tomi Damo, Ryan Kosak, Vijeta Patel, Lipi Vahanwala Advisors: Bill Keesom – Jacobs Consultancy Jeffery Perl, PhD – UIC Dept. Of Chemical Engineering April 5, 2011. Syngas Production from Petroleum Coke Gasification. Project Purpose. What we are doing?

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Syngas Production from Petroleum Coke Gasification

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  1. Team Hotel: Russell Cabral, Tomi Damo, Ryan Kosak, Vijeta Patel, Lipi Vahanwala Advisors: Bill Keesom – Jacobs Consultancy Jeffery Perl, PhD – UIC Dept. Of Chemical Engineering April 5, 2011 Syngas Production from Petroleum Coke Gasification

  2. Project Purpose • What we are doing? • Producing syngas from petcoke • Using entrained flow gasifier • Implementing a rigorous syngas cleaning • Why we are doing this? • Making syngas for acetic acid production • Chemical production team specs • CO to H2 molar ratio of 0.409 • CO2 and N2 mixed in http://coalgasificationnews.com/tag/petcoke-gasification/

  3. Overall Block Flow

  4. Questions from Last Time • None

  5. Recap • Discussed Our Aspen Simulation • Gasifier • Sulfur Removal • Water Gas Shift • CO2 Removal • Claus Process • Heat Loads • Optimization • Equipment Costs and Sizes • Independent Economics • Sensitivity Analysis • Location

  6. Today’s Agenda • PFD’s • Initial Control Schemes • Plant Layout (General Arrangement) • Calculations • Refined Individual Economics • Joint Economics with Team Golf

  7. PFD: Overall Process

  8. PFD: Hydrogen Sulfide Removal

  9. Simulation Problems • Gasification • Heat Exchanger Delta T • Ideal Cyclone Separation • H2S Removal • Selexol Recycle Connection • Claus Process • Sulfur Water Outlet Mixed • Tail Gas Treatment • Superclaus Operation • CO2 Removal • Solvent Optimization • Compressor Sizes

  10. Control Scheme: H2S Removal

  11. Overall Plant Layout: 4923 Port Rd., Pasadena, TX

  12. Plant Layout: Gasification Island

  13. Plant Layout: H2S Removal

  14. Calculations

  15. Calculations (Continued)

  16. Calculations (Continued)

  17. Refined Independent Economics:Raw Material Cost

  18. Catalyst and Solvent Costs

  19. Capital Cost Analysis

  20. Economics Summary

  21. Pay-Back Period

  22. Sensitivity Analysis

  23. Sensitivity Analysis

  24. Sensitivity Analysis

  25. Sensitivity Analysis

  26. Conclusion • PFD • Control Schemes • Plant Layout • Calculations • Refined Economics

  27. Next Steps • Revise Report • Finish Poster • Eliminate Overlap in Economics • Address Simulation Issues

  28. Questions?

  29. References • Richard Parkinson.  “Where Does It Go? An Introduction to the Placement of Process Equipment.”  UOP  PowerPoint.  2009.  2 April 2011.

  30. Report Outline • Final Report: • Executive Summary IP • Discussion IP • Recommendations IP • Appendices • Design Basis: Done • Block Flow Diagram: Done • Process Flow Showing Major Equip.: Done

  31. Report Outline • Appendices (Continued) • Material and Energy Balances: Done • Calculations: IP • Annotated Equip. List: Done • Econ. Eval. Factored from Equip. Costs: Done • Utilities: IP • Conceptual Control Scheme: Done • Major Equipment Layout: Done

  32. Report Outline • Appendices (Continued) • Distribution and End-use Issues: IP • Constraints Review: IP • Applicable Standards: IP • Project Communications File: IP • Information Sources and References: IP

  33. PFD: Gasification

  34. PFD: Claus Process

  35. PFD: Water Gas Shift

  36. PFD: CO2 Absorption

  37. PFD: CO2 Sequestration

  38. Control Scheme: Water Gas Shift

  39. Control Scheme: CO2 Absorption

  40. Control Scheme: CO2 Sequestration

  41. Control Scheme: Gasifier

  42. Control Scheme: Claus Process

  43. Energy Balance Around WGS Reactor

  44. Energy BalanceAround WGS Reactor

  45. Heat Loads

  46. CO2 Sequestration • CO2 in our syngas is absorbed on Selexol to be selectively removed • Delete only one CO2 slide.

  47. http://fossil.energy.gov/images/programs/sequestration/what_sequestration_lg.jpghttp://fossil.energy.gov/images/programs/sequestration/what_sequestration_lg.jpg

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