Gasification kinetics of coal chars carbonized under rapid and slow heating conditions at elevated temperatures

Journal of Energy Resources Technology, Transactions of the ASME

Volumn 123, Issue 1, 2001, Pages 21-26

  Luo, Chunhua ^a   Watanabe, Tomokazu ^a   Nakamura, Makoto ^a   Uemiya, Shigeyuki ^a   Kojima, Toshinori ^a  

^a SEIKEI UNIVERSITY   (Japan)

Author keywords

Coal char; Elevated temperature; Fluidized bed reactor; Gasification; Heating rate

Indexed keywords

CARBON DIOXIDE; CARBONIZATION; CHEMICAL REACTORS; GASIFICATION; HEATING; HIGH TEMPERATURE EFFECTS; REACTION KINETICS;

COAL CHAR; FLUIDIZED BED REACTOR; GASIFICATION KINETICS; HEATING RATE;

BITUMINOUS COAL;

EID: 0035777177     PISSN: 01950738     EISSN: None     Source Type: Journal    
DOI: 10.1115/1.1345701     Document Type: Article

References (17)

1. Kojima, T., Furusawa, T., and Kunii, D., 1984, "Measurement of Gasification Rate of Coal Char Using a Fluidized Bed," Kagaku Kogaku Ronbunshu, 11, pp. 596-601.
2. Jahnke, F. C., 1997, "TEXACO Gasification for Clean Coal Utilization Controlling Ash at High Temperature and Pressure," Proc., Advanced Clean Coal Technology International Symposium'97, Tokyo, Japan, October 2-3, pp. 111-120.
3. Horio, M., Chen, C., Miyoshi, T., and Kamia, H., 1997, "On the Scale-up of Entrained Flow Gasifier," Proc., Advanced Clean Coal Technology International Symposium, Tokyo, Japan, October, 2-3, pp. 133-142.
4. Wells, W. F., and Smoot, L. D., 1991, "Relation between Reactivity and Structure for Coal and Chars," Fuel, 70, pp. 455-458.
5. Honma, S., Takeda, S., Kitano, K., Yoshida, R., Koyama, S., and Ueda, A., 1998, "Pressurized Gasification of Entrained Coal Char from Entrained Bed Gasifier," J. Jpn. Inst. Energy, 77, pp. 785-791.
6. Lee, J. G., Kim, J. H., Lee, H. J., Park, T. J., and Kim, S. D., 1996, "Characteristics of Entrained Flow Coal Gasification in a Drop Tube Reactor," Fuel, 75, pp. 1035-1042.
7. Kojima, T., Yamashita, S., and Furusawa, T., 1985, "Effects of Devoltilization Condition on Gasification Rate of Coal Char," Kagaku Kogaku Ronbunshu, 11, pp. 735-738.
8. Kojima. T., Assavadakorn, P., and Furusawa, T., 1993, "Measurement and Evaluation of gasification Kinetics of Sawdust Char with Steam in an Experimental Fluidized Bed," Fuel Process. Technol., 36, pp. 201-207.
9. Luo, C., Aoki, K., Uemiya, S., and Kojima, T., 1998, "Numerical Simulation of a Jetting Fluidized Bed Gasifier and the Comparison to the Experimental Data," Fuel Process. Technol., 55, pp. 193-218.
10. Raghunathan, K., and Yang, Y. K., 1989, "Unification of Coal Gasification Data and Its Applications," Ind. Eng. Chem. Res., 28, pp. 518-523.
11. Luo, C., Watanabe, T., Nakamura, M., Uemiya, S., and Kojima, T., 2001, "Development of FBR Measurements of Char Reactivity to Carbon Dioxide at Elevated Temperatures," Fuel, 80, pp. 233-243.
12. Radovic, L. R., Walker, P. L., and Jenkins, J. R. G., 1983, "Importance of Carbon Active Sites in the Gasification of Coal Chars," Fuel, 62, pp. 849-856.
13. Kasaoka, S., Sakata, Y., and Shimada, M., 1987, "Effects of Coal Carbonization Condition on Rate of Steam Gasification of Char," Fuel, 66, pp. 697-701.
14. Senneca, O., Russo, P., Salatino, P., and Masi, S., 1997, "The Relevance of Thermal Annealing to the Evolution of Coal Char Gasification Reactivity," Carbon, 35, pp. 141-151.
15. Kajitani, S., and Matsuda, H., 1982, "Influence of Pyrolysis Conditions on Coal Gasification Reactivity," Yokosuka Research Laboratory Report No. W97020, Japan.
16. Smith, I. W., 1982, "The Combustion Rates of Coal Chars: A Review," 19th Int. Symp. Combustion, The Combustion Institute, Pittsburgh, PA, pp. 1045-1065.
17. Smith, K. L., Smoot, L. D., Fletcher T. H., and Pugmire, R. J., 1994, The Structure and Reaction Processes of Coal, Plenum Press, New York, NY, and London, UK.