Burning pulverized coal in CO2 atmosphere at low oxygen concentrations

Clean Air

Volumn 8, Issue 4, 2007, Pages 321-338

  Toporov, D ^a   Forster M ^a   Kneer, R ^a  

^a RWTH AACHEN UNIVERSITY   (Germany)

Author keywords

Burner; Flame stability; Low O2 concentrations; Oxycoal

Indexed keywords

FLAME SPRAYING; FLAMMABILITY; NONMETALS; OXYGEN; PROCESS ENGINEERING;

A-STABLE; BURNER; CFD TECHNIQUE; CO FORMATION; EXPERIMENTAL INVESTIGATIONS; FLAME STABILITY; FLAME STABILIZATION; LOW O2 CONCENTRATIONS; NEW APPROACHES; OPERATING CONDITIONS; OXYCOAL; PULVERIZED COAL; SWIRL BURNERS; TECHNICAL SOLUTIONS; VOLUME CONCENTRATIONS;

FLAME RESEARCH;

BURNING; CARBON DIOXIDE; CARBON MONOXIDE; COAL; CONCENTRATION (COMPOSITION); NUMERICAL METHOD; OXYGEN; STABILIZATION;

EID: 52949131549     PISSN: 15614417     EISSN: None     Source Type: Journal    
DOI: 10.1615/InterJEnerCleanEnv.v8.i4.30     Document Type: Article

References (16)

1. 2 combustion. Fuel. 86, 656-668.
2. 4. 14th Symp. (Int.) on Combustion, The Combustion Institute, Pittsburgh, pp. 987-1003.
3. Field, M. A. (1970) Measurements of the effect of rank on combustion rates of pulverised coal. Combust. Flame. 14, 237-248.
4. Field, M. A. (1969) Rate of combustion of size-graded fractions of char from a low-rank coal between 1200 K and 2000 K. Combust. Flame. 13, 237-252.
5. Fletcher, T. H., Kerstein, A. R., Pugmire, R. J., and Grant, D. M. (1990) Chemical perco"lation model for devolatilization: II. Temperature and heating rate effects on product yields. Energy Fuels. 4, 54-60.
6. Gran, I. and Magnussen, B. F. (1996) A numerical study of a bluff-body stabilized diffusion flame. Part 2. Influence of combustion modelling and finite-rate chemistry. Combust. Sci. Technol. 119, 191-217.
7. 2 at elevated temperatures. Fuel. 83, 1055-1061.
8. 2 coal combustion with heat recirculation. Fuel. 82, 1427-1436.
9. Martin, H., Gnielinski, V., Mewes, D., Steiner, D., Stephan, K/. Schaber, K., and Vortmeyer, D. (1994) VDI-Warmeatlas: Berechnungsblatter fur den Warmeubergang, Da 34-6, 7. erw. Au flage, VDI-Verlag.
10. Shaw, D. W., Zhu, X., Misra, M., and Essenhign, R. H. (1990) Determination of global kinetics of coal volatiles combustion. 23rd Symp. (Int.) on Combustion, The Combustion Institute, Pittsburgh, pp. 1155-1162.
11. Smith, T. F., Shen, Z. F., and Friedman, J. N. (1982) Evaluation of coefficients for the weighted sum of gray gases model. J. Heat Transfer. 104, 602-608.
12. Smoot, D. and Pratt, D. (1979) Pulverised-Coal Combustion and Gasification, Theory and Applications for Continuous Flow Processes, Plenum Press, New York.
13. Toporov, D., Tschunko, S., Erfurth, J., and Kneer, R., (2006) Modelling of oxycoal combustion in a small scale test facility. 7th European Conf. on Industrial Furnaces and Boilers, INFUB 2006, 18.-21.04.2006, Porto, Portugal (CD-ROM).
14. Wall, T. (2007) Combustion processes for carbon capture, Proc. Combust. Inst. 31, 31-34.
15. Wicke, E. and Hedden, K. (1953) Die Bedeutung der inneren Oberflaschen und der Porendiffusion für die Verbrennung und Vergasung poroser Kohlen. Zeit. Elektrochem. 57(8), 636-641.
16. Woycenko, D. M., van de Kamp, W. L., and Roberts, P. A. (1997) Combustion of pulverised coal in a mixture of oxygen and recycled flue gas. European Commission Joule II Clean Coal Technology Program 1992-1995, Volume II: Powder Coal Combustion Projects Final Reports.