화학공학소재연구정보센터
Korean Journal of Chemical Engineering, Vol.18, No.5, 770-774, September, 2001
Gas Yields from Coal Devolatilization in a Bench-Scale Fluidized Bed Reactor
E-mail:
Devolatilization behavior of Australian bituminous coal-gasification was determined in a 0.1 m diameter fluidized bed at 650-900 ℃. To predict gas yields from devolatilization, several correlations reported for gas yields were evaluated with the present experimental data. The correlation of Goyal and Rehmat [1993] was found to be good one. Also, a correlation for the product gas yields has been proposed from devolatilization of bituminous coals as a linear function of temperature with constants from the experiment. The experimental yields of product gas show good agreement with the values calculated by the proposed correlation.
  1. Fung DPC, Kim SD, Korean J. Chem. Eng., 7(2), 109 (1990)
  2. Goyal A, Rehmat A, Ind. Eng. Chem. Res., 32, 1396 (1993) 
  3. Gururajan VS, Agarwal PK, Agnew JB, Chem. Eng. Res. Des., 70, 211 (1992)
  4. Lee JM, Kim YJ, Kim SD, HWAHAK KONGHAK, 38(2), 259 (2000)
  5. Lee JM, Kim YJ, Lee WJ, Kim SD, HWAHAK KONGHAK, 35(1), 121 (1997)
  6. Kim YJ, "Hydrodynamics, Heat Transfer and Coal Gasification Characteristics in a Downer Reactor," Ph. D. Thesis, KAIST (2000)
  7. Loison R, Chauvin R, Chimie Industrie, 91, 269 (1964)
  8. Ma RP, Felder RM, Ferrell JK, Ind. Eng. Chem. Res., 28, 27 (1989) 
  9. Song BH, Watkinson AP, Can. J. Chem. Eng., 78(1), 143 (2000)
  10. Tsuji T, Watkinson AP, "Application of a Mixed Flow Reactor Model to a Coal Gasifier," Preprint, Canada-Japan joint Academic Research Program on Finding Efficient Uses for Coal, September, 101 (1990)
  11. Tyler RJ, Fuel, 58, 680 (1979) 
  12. Yun Y, Lee GB, Korean J. Chem. Eng., 16(6), 798 (1999)