Large Char Particle High-Pressure Oxidation Rates and Mechanisms
作者： J. A. Mathias , R. H. Essenhigh , P. T. Radulovic , L. D. Smoot
DOI: 10.1021/EF020148Z
关键词: Char 、 Chemistry 、 Mineralogy 、 Particle 、 Nitrogen 、 Range (particle radiation) 、 Stefan flow 、 Oxygen 、 Analytical chemistry 、 Total pressure 、 Mole fraction
摘要: The main objective of this study was to investigate the high-pressure oxidation rates large (6−9 mm diameter) char particles for a wide range five experimental conditions, with particular focus on role ratio carbon−oxide combustion products at reaction surface and its analytical consequences Stefan flow (BLD) behavior. were obtained by pyrolytic heating Pittsburgh HV bituminous coal in nitrogen. conditions ranges gas temperature (825−1200 K), (oxidizer) velocity (0.08−1.28 m/s), particle mass (0.056−0.16 g), oxygen mole fraction (0.04−0.21), total pressure (1−5 atm). This allowed suite 13 different permutations operating each repeated times 65 experiments, generating about 1000 data points. experiments conducted high-pressure, controlled-profile (HPCP) laboratory reactor cantilever balance attachment. suspended...
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sci-hub.se 参考文章(28)
Shi-Ying Lin, Yoshizo Suzuki, Hiroyuki Hatano, Katsumi Tsuchiya, Pressure effect on char combustion in different rate-control zones : initial rate expression Chemical Engineering Science. ,vol. 55, pp. 43- 50 ,(2000) , 10.1016/S0009-2509(99)00302-4
Robert J. Tidona, Laser-initiated combustion of single coal particles in quiesent oxygen environments Combustion and Flame. ,vol. 38, pp. 335- 337 ,(1980) , 10.1016/0010-2180(80)90064-4
Bartholomew J. Waters, Robert G. Squires, Normand M. Laurendeau, Reginald E. Mitchell, Evidence for formation of CO2 in the vicinity of burning pulverized carbon particles Combustion and Flame. ,vol. 74, pp. 91- 106 ,(1988) , 10.1016/0010-2180(88)90089-2
Robert W. Froberg, Robert Essenhigh, Reaction order and activation energy of carbon oxidation during internal burning Symposium (International) on Combustion. ,vol. 17, pp. 179- 187 ,(1979) , 10.1016/S0082-0784(79)80020-X
Robert H. Essenhigh, An integration path for the carbon-oxygen reaction with internal reaction Symposium (International) on Combustion. ,vol. 22, pp. 89- 96 ,(1989) , 10.1016/S0082-0784(89)80014-1
Jean-Robert Richard, Mamoun AI Majthoub, Martti J. Aho, Pentti M. Pirkonen, Separate effects of pressure and some other variables on char combustion under fixed bed conditions Fuel. ,vol. 73, pp. 485- 491 ,(1994) , 10.1016/0016-2361(94)90029-9
Robert H. Essenhigh, Dieter Förtsch, Heather E. Klimesh, Combustion Characteristics of Carbon: Influence of the Zone I−Zone II Transition on Burn-Out in Pulverized Coal Flames Energy & Fuels. ,vol. 13, pp. 955- 960 ,(1999) , 10.1021/EF9801773
E. W. Thiele, Relation between Catalytic Activity and Size of Particle Industrial & Engineering Chemistry. ,vol. 31, pp. 916- 920 ,(1939) , 10.1021/IE50355A027
R. H. Essenhigh, R. Froberg, J. B. Howard, COMBUSTION BEHAVIOR OF SMALL PARTICLES Industrial & Engineering Chemistry. ,vol. 57, pp. 32- 43 ,(1965) , 10.1021/IE50669A007
C. Heuchamps, X. Duval, Effet des catalyseurs sur les caracteristiques cinetiques de la combustion du graphite Carbon. ,vol. 4, pp. 243- 253 ,(1966) , 10.1016/0008-6223(66)90086-8