High Pressure Char Oxidation

Dr. W. C. Hecker and Dr. T. H. Fletcher are involved in high pressure char oxidation and gasification research at BYU. Here is a list of papers and presentations in the area so far:

  1. Hong, J., W. C. Hecker, and T. H. Fletcher, "Predicting Effectiveness Factor for mth Order and Langmuir Rate Equations in Spherical Coordinates," ACS Division of Fuel Chemistry Preprints, 44:4, 1011-1015 (August, 1999). (pdf file, 60 K) This paper was also presented at the 21st International Coal Science Meeting in Taiyuan, Shanxi Province, China in 1999, but no preprint was made for that meeting.
  2. Hong, J., "Modeling Char Oxidation as a Function of Pressure Using an Intrinsic Langmuir Rate Equation," PhD Dissertation, Department of Chemical Engineering, Brigham Young University, Provo, UT (2000). (pdf file - 720 Kb).
  3. Sawaya, R. J., J. W. Allen, W. C. Hecker, T. H. Fletcher, and L. D. Smoot, "Kinetics of High Pressure Oxidation," ACS Division of Fuel Chemistry Preprints, 44:4, 1016-1019 (August, 1999). (pdf file - 44 Kb)
  4. Hong, J., W. C. Hecker, and T. H. Fletcher, "Improving the Accuracy of Predicting Effectiveness Factors for m-th Order and Langmuir Rate Equations in Spherical Coordinates," Energy and Fuels, 14, 663-670 (2000). (pdf file through ACS - http://pubs.acs.org/reprint-request?ef9902193/v8Ls)
  5. Hong, J., W. C. Hecker, and T. H. Fletcher, "Modeling High Pressure Char Oxidation Using Langmuir Kinetics with an Effectiveness Factor, " Proceedings of the Combustion Institute, 28, 2215-2223 (2000).
  6. Fletcher, T. H., D. Zeng, M. Clark, B. Crenshaw, and W. C. Hecker, "High Pressure Coal Combustion," presented at the 16th Annual ACERC Conference, Provo, Utah (March 14-15, 2002) (pdf file of slides)
  7. Hecker, W. C., P. M. Madsen, M. R. Sherman, J. W. Allen, R. J. Sawaya, and T. H. Fletcher, “High Pressure Intrinsic Oxidation Kinetics of Two Coal Chars,” Energy and Fuels, 17, 427-432 (2003).
  8. Zeng, D., M. Clark, T. Gunderson, W. C. Hecker, and T. H. Fletcher, “Swelling Properties and Intrinsic Reactivities of Coal Chars Produced at Elevated Pressures and High Heating Rates,” Proceedings of the Combustion Institute, 30, 2213-2221 (2005).
  9. Zeng, D. and T. H. Fletcher, “The Effect of Pressure on Coal Pyrolysis and Char Morphology,” Paper D6, presented at the 4th Joint Meeting of the U.S. Sections of the Combustion Institute, Philadelphia, PA (March 20-23, 2005).
  10. Zeng, D. and T. H. Fletcher, “The Effect of Pressure on Coal Pyrolysis and Char Morphology,” Energy and Fuels, 19, 1828-1838 (2005). (pdf file through ACS - http://pubs.acs.org/cgi-bin/download.pl?ef0500078/d7fC )
  11. Zeng, D., “Effects of Pressure on Coal Pyrolysis at High Heating Rates and Char Combustion,” Ph.D. Dissertation, Chemical Engineering Department, Brigham Young University, (December, 2005). (pdf file - 812 Kb)

 

Previous papers at BYU on High Pressure Coal Combustion:

1. Monson, C. R. and J. G. Germane, Energy and Fuels, 7, 928-936 (1993).

2. Monson, C. R., G. J. Germane, A. U. Blackham and L. D. Smoot, "Char Oxidation at Elevated Pressure", Combustion and Flame, 100, 669-683 (1995

3. Monson, C. R., "Char Oxidation at Elevated Pressures," Ph.D. Dissertation, Brigham Young University. (1992)

4. Bateman, K. J., G. J. Germane, L. D. Smoot and C. N. Eatough, Energy and Fuels, 9, 295-301 (1995).

5. Bateman, K. J., "Millimeter Sized Coal Particle Combustion at Elevated Pressures", M.S. Thesis, Brigham Young University, Provo, UT (1993).

6. Mathias, J. A., "High Pressure Oxidation Rates for Large Particles", Master Thesis, Brigham Young University, Provo, UT (1996).

 

See also http://www-acerc.byu.edu/Abstracts/1986/1986-6.html