Search / Korean Journal of Chemical Engineering
Korean Chemical Engineering Research,
Vol.55, No.1, 99-106, 2017
고정층 반응기에서의 저등급 석탄 혼합촉매가스화 반응특성
Low-rank Coal Char Gasification Research with Mixed Catalysts at Fixed Reactor
본 연구에서는 인도네시아 저등급 석탄인 Kideco탄을 이용하여 질소 분위기 하에 등온상태에서 촤(char)를 생성한 후 반응가스(스팀,이산화탄소)를 주입하여 합성가스를 생성하는 가스화를 진행하였다. 온도가 반응속도에 미치는 영향을 알아보기 위해 850 oC 이하의 운전온도(700, 750, 800, 850 °C)에서 반응을 진행하였다. 촉매가 미치는 영향을 알아보기 위해 알카리계 촉매인 탄산칼륨과 금속촉매인 니켈을 이용하였으며 두가지 촉매의 혼합비율(1:9, 3:7, 5:5, 7:3, 9:1)을 다르게 하여 연구를 수행하였다. 탄산칼륨은 물리적 혼합을 통해 니켈은 이온교환법을 통해 준비하였다. 기-고체 반응특성을 알아보기 위해 열중량분석기와 가스크로마토그래피를 통해 얻은 실험결과를 shrinking core model (SCM), volumetric reaction model (VRM), random pore model (RPM) and modified volumetric reaction model (MVRM)에 적용하여 비교하였다.
In this study, mixed catalytic char gasification of Indonesia low-rank coal Kideco was investigated under nitrogen atmosphere and isothermal conditions at a fixed reactor. The effects of the temperature were investigated at various temperature (700, 750, 800, 850 °C). The effects of blend ratio of catalysts (K2CO3, Ni) were investigated with different blend ratios (1:9, 3:7, 5:5, 7:3 and 9:1). The sample was prepared by mixing with K2CO3 physically and by ionexchange method with Ni. The data from thermogravimetric analyzer and gas chromatography were applied to four gassolid reaction kinetic models including shrinking core model, volumetric reaction model, random pore model and modified volumetric reaction model.
[References]
  1. British Petroleum, “BP Statistical Review of World Energy 2013”.
  2. International Energy Agency, “Energy Policies of IEA Countries- The Republic of Korea 2012 Review”.
  3. Zhang DX, Liu P, Lu XL, Wang LL, Pan TY, Fuel Process. Technol., 141(1), 117, 2015
  4. Zhuang QL, Biondi M, Yan SH, Bhagat K, Vansickle R, Chen C, Tan HJ, Zhu Y, You W, Xia W, Fuel, 152, 103, 2015
  5. Lee S, Kim S, Korean Chem. Eng. Res., 46(3), 443, 2008
  6. Park DK, Kim SD, Lee SH, Lee JG, Bioresour. Technol., 101(15), 6151, 2010
  7. Umar DF, Usui H, Komoda Y, Fuel, 90(4), 611, 2009
  8. Tristantini D, Supramono D, Suwignjo RK, IJTech., 6(1), 22, 2015
  9. Song BH, Kang SK, Kim SD, Korean Chem. Eng. Res., 30(6), 749, 1992
  10. Song BH, Kim SD, Fuel, 72(6), 797, 1993
  11. Lee WJ, Kim SD, Fuel, 74(9), 1387, 1995
  12. McKee DW, Fuel, 62, 170, 1983
  13. Williams A, Pourkashanian M, Jones JM, Prog. Energy Combust. Sci., 27(6), 587, 2001
  14. Lee SH, Hyun JS, Rhim YJ, Park YY, Kim SC, Energy Eng., 4(5), 197, 2003
  15. Park CY, Park JY, Lee SH, Rhu JH, Han MH, Rhee YW, Korean Chem. Eng. Res., 50(6), 1086, 2012
  16. Park JY, Lee DK, Hwang SC, Kim SK, Lee SH, Yoon SK, Yoo JH, Lee SH, Rhee YW, Clean Technol., 19(3), 306, 2013
  17. Hwang SC, Kim SK, Park JY, Lee DK, Lee SH, Rhee YW, Clean Technol., 20(1), 64, 2014
  18. Park ST, Choi YT, Sohn JM, Appl. Chem. Eng., 22(3), 312, 2011
  19. Zhu WK, Song WL, Lin WG, Fuel Process. Technol., 89(9), 890, 2008
  20. Kong Y, Lim J, Rhim Y, Chun D, Lee S, Yoo J, Rhee YW, Clean Technol., 20(3), 218, 2014
  21. Wen CY, Ind. Eng. Chem., 60(9), 34, 1968
  22. Shida M, Wen CY, AIChE J., 14(2), 311, 1968
  23. Asaoka S, Sakata Y, Tong C, Int. Chem. Eng., 25(1), 1985
  24. Bhatia SK, Perlmutter DD, AIChE J., 23(3), 379, 1980
  25. Nahas NC, Fuel, 62(2), 239, 1983
  26. Spiro CK, Mckee DW, Kosky PG, Lamby EH, Maylotte DH, Fuel, 62(3), 323, 1983
  27. Youssef EA, Chowdhury MBI, Nakhla G, Charpentier P, Int. J. Hydrog. Energy, 35(10), 5034, 2010
  28. Chan FL, Tanksale A, Renew. Sust. Energ. Rev., 38, 428, 2014
  29. Song BH, Jang YW, Byoun YS, Korean Chem. Eng. Res., 41(3), 349, 2003
  30. Li S, Cheng Y, Fuel, 74(3), 456, 1995
  31. Seo HK, Park S, Lee J, Kim M, Chung SW, Chung JH, Kim K, Korean J. Chem. Eng., 28(9), 1851, 2011
  32. Sawettaporn S, Bunyakiat K, Kitiyanan B, Korean J. Chem. Eng., 26(4), 1009, 2009
  33. Irfan MF, Usman MR, Kusakabe K, Energy, 36(1), 12, 2011
  34. Zhang LX, Huang JJ, Fang YT, Wang Y, Energy Fuels, 20(3), 1201, 2006
  35. Tangsathitkulchai C, Junpirom S, Katesa J, Ind. Crop. Prod., 17(1), 13, 2012
  36. Song BH, Kim SD, Fuel, 72(6), 797, 1993