Numerical investigations of Co/Co2 ratio in char combustion

Combustion Science and Technology

Volumn 183, Issue 9, 2011, Pages 868-882

  He, Wei ^a   He, Rong ^a   Ito, Takamasa ^b   Suda, Toshiyuki ^b   Sato, Jun'Ichi ^b  

^a TSINGHUA UNIVERSITY   (China)

^b IHI CORPORATION   (Japan)

Author keywords

Char oxidation; CO CO2 ratio; Fractal; Pores

Indexed keywords

CHAR COMBUSTION; CHAR OXIDATION; CO/CO2 RATIO; FRACTAL PROPERTIES; GAS DIFFUSION; MAXWELL DISTRIBUTIONS; MOLECULAR VELOCITY; NUMERICAL INVESTIGATIONS; NUMERICAL SIMULATION; PORE MODELS; PORES; PRIMARY REACTION; REACTION MODEL; SECONDARY REACTIONS;

ACTIVATION ENERGY; COMPUTER SIMULATION; FRACTALS; MAXWELL EQUATIONS; MOLECULAR OXYGEN; OXIDATION; PORE STRUCTURE;

COMBUSTION;

EID: 79957607255     PISSN: 00102202     EISSN: 1563521X     Source Type: Journal    
DOI: 10.1080/00102202.2011.569803     Document Type: Article

References (35)

1. Amariglio, H., and Duval, X. 1966. Etude de la combustion catalytique du graphite [Study on the catalytic combustion of graphite.]. Carbon, 4, 323.
2. Annamalai, K., and Ryan, W. 1993. Interactive processes in gasification and combustion-II. Prog. Energy Combust. Sci., 19, 383.
3. Arthur, J. 1951. Reaction between carbon and oxygen. Trans. Faraday Soc., 47, 164.
4. Avnir, D., Farin, D., and Pfeifer, P. 1983. Chemistry in noninteger dimensions between two and three II. Fractal surfaces of adsorbents. J. Chem. Phys., 79, 3566.
5. Avnir, D., Farin, D., and Pfeifer, P. 1985. Surface geometric irregularity of particulate materials: The fractal approach. J. Colloid Interf. Sci., 103, 112.
6. Ayling, A.B., and Smith, I.W. 1972. Measured temperatures of burning pulverized-fuel particles, and the nature of the primary reaction product. Combust. Flame, 18, 173.
7. Cao, L., and He,R. 2011. Gas diffusion in fractal porous media.Combust. Sci. Tech., 182, 822-841.
8. Chow, Y.S. 1988. Probability Theory: Independence, Interchangeability, Martingales. Springer- Verlag, New York, NY.
9. Costa, M., Araujo, A., Silva, H., and Andrade, J. Jr. 2003. Scaling behavior of diffusion and reaction processes in percolating porous media. Phys. Rev. E, 67, 061406.
10. Day, R.J., and Walker, P.L. 1958. Industrial Carbon and Graphite Conference, Society of Chemical Industry, London.
11. Du, Z.Y. 1990. Kinetic Modeling of Carbon Oxidation, Doctoral dissertation, Massachusetts Institute of Technology, Cambridge, MA.
12. Du, Z.Y., Sarofim, A.F., Longwell, J.P., and Mires, C.A. 1991. Kinetic measurement and modeling of carbon oxidation. Energy & Fuels, 5, 214.
13. Fowler, R.H., and Guggenheim, E.A. 1949. Statistical Thermodynamics, Cambridge University Press, New York, NY.
14. Froberg, R.W., and Essenhigh, R.H. 1979. Reaction order and activation energy of carbon oxidation during internal burning. Proc. Combust. Inst., 17, 179.
15. Gefen, Y., Aharony, A., and Alexander, S. 1983. Anomalous diffusion on percolation clusters. Phys. Rev. Lett., 50, 77.
16. Goel, S., Lee, C.H., and Longwell, J.P. 1996. Modeling of ignition and CO oxidation in the boundary layer of a single char particle. Energy & Fuels, 10, 1091.
17. Hart, P.J., Vastola, F.J., and Walker, P.L. Jr. 1967. Fundamentals of Gas-Surface Interactions, Academic Press, New York, NY.
18. Hayhurst, A.N., and Parmar, M.S. 1998. Does solid carbon burn in oxygen to give the gaseous intermediate CO or produce CO2 directly? Some experiments in a hot bed of sand fluidized by air. Chemical Engineering Science, 53, 427.
19. Haynes, B.S. 2001. A turnover model for carbon reactivity I. development. Combust. Flame, 126, 1421.
20. He, R., Sato, J., Chen, C. H. 2002. Modeling char combustion with fractal pore effects. Combust. Sci. Tech., 174, 19.
21. He, R., Xu, X., Chen, C., Fan, H., and Zhang, B. 1998. Evolution of pore fractal dimensions for burning porous chars. Fuel, 77, 1291.
22. Higuera, F.J. 2008. Combustion of a coal char particle in a stream of dry gas. Combust. Flame, 152, 230.
23. Howard, J.B., Williams, G.C., and Fine, D.H. 1973. Kinetics of carbon monoxide oxidation in postflame gases. Proc. Combust. Inst., 14, 975.
24. Kurylko, L., and Essenhigh, R.H. 1973. Steady and unsteady combustion of carbon. Proc. Combust. Inst., 14, 1375.
25. Levitz, P. 1997. From Knudsen diffusion to Levy walks. Europhys. Lett., 39, 593.
26. Lewis, P.F., and Simons, G.A. 1979. Char gasification: Part II. oxidation results. Combust. Sci. Tech., 20, 117.
27. Liang, Z., He, R., Chen, Q., Xu, X., and Sato, J. 2007. Fractal generation of char pores throurandom walk. Combust. Sci. Tech., 179, 637.
28. Mathias, J.A., Essenhigh, R.H., Radulovic, P.T., and Smoot, L.D. 2003. Large char particle high-pressure oxidation rates and mechanisms. Energy & Fuels, 17, 587.
29. Mitchell, R.E. 1988. On the products of the heterogeneous oxidation reaction at surfaces of burning coal char particles. 22nd International Symposium on Combustion, The Combustion Institute, Pittsburgh, PA, pp. 69-78.
30. Niksa, S., and Kerstein, A.R. 1986. The distributed-energy chain model for rapid coal devolatilization kinetics. Part I: Formulation. Combust. Flame, 66, 95.
31. Pfeifer, P., and Avnir, D. 1983. Chemistry in noninteger dimensions between two and three. I. Fractal theory of heterogeneous surfaces. J. Chem. Phys., 79, 3558.
32. Phillips, R., Vastola, F.J., and Walker, P.L. Jr. 1970. Factors affecting the product ratio of the carbon-oxygen reaction-II. Reaction temperature. Carbon, 8, 205.
33. Reif, F. 1965. Fundamentals of Statistical and Thermal Physics, McGraw-Hill, New York, NY.
34. Roberts, O.C., and Smith, I.W. 1973. Measured and calculated burning histories of large carbon spheres in oxygen. Combust. Flame, 21, 123.
35. Rossberg, M.Z. 1956. Experimentelle ergebnisse über die primarreactionen bei der kohlenstoffverbrennung [Experimental results of the primary reaction in the carbon combustion]. Electrochem., 60, 952.