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Issue
Korean Journal of Chemical Engineering,
Vol.8, No.4, 214-219, 1991
OPTIMAL TEMPERATURE OF FIXED-BED REACTOR FOR HIGH TEMPERATURE REMOVAL OF HYDROGEN SULFIDE
Lee YS, Yoo KO, Gavalas GR
To find optimal temperature of the reaction between H2S gas and ZnO-5 at% Fe2O3 sorbent, the effluent gas from a fixed-bed reactor was analyzed by gas chromatography. The experimental results showed that H2S removal efficiency of sorbent was maximum at 650℃ and EDX data were in accordance with this feature. XRD analysis exhibited intriguing phenomenon in that different mechanisms were observed at different temperatures. Chemisorption and chemical reaction was considered to be the main mechanism of H2S removal at 600℃, respectively. SEM photographs supported this interesting phenomenon, but unfortunately TGA and DAT results could not distinguish it. To investigate the effect of sorbent deactivation on the reaction rate, deactivating factor was considered.
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[Cited By]
  1. Lee HS, Kang MP, Song YS, Lee TJ, Rhee YW, Korean Journal of Chemical Engineering, 18(5), 635, 2001
  2. Song YK, Lee KB, Lee HS, Rhee YW, Korean Journal of Chemical Engineering, 17(6), 691, 2000
  3. Oh SC, Lee HP, Kim HT, Lee JB, Yoo KO, HWAHAK KONGHAK, 38(1), 117, 2000
  4. Lee CM, Yoon YI, Kim SH, Journal of the Korean Industrial and Engineering Chemistry, 10(2), 183, 1999
  5. Kang MP, Lee HS, Lee TJ, Rhee YW, HWAHAK KONGHAK, 40(4), 492, 2002
  6. Yang HC, Yun JS, Kang MJ, Kang Y, Kim JH, Korean Journal of Chemical Engineering, 19(6), 1037, 2002
  7. Lee YS, Kim DS, Kim KH, Kim HT, Yoo KO, Korean Journal of Chemical Engineering, 13(4), 427, 1996
  8. Lee YS, Park DH, Kim HT, Yoo KO, Korean Journal of Chemical Engineering, 12(1), 23, 1995
  9. Lee YS, Yoo KO, HWAHAK KONGHAK, 32(3), 506, 1994
  10. Lee YS, Park DH, Kim HT, Yoo KO, HWAHAK KONGHAK, 32(4), 572, 1994
  11. Lee YS, Yoo KO, HWAHAK KONGHAK, 31(6), 753, 1993
  12. Choi YJ, Lee YS, Kim HT, Yoo KO, HWAHAK KONGHAK, 30(4), 433, 1992
  13. Park DH, Lee YS, Kim HT, Yoo KO, HWAHAK KONGHAK, 30(6), 700, 1992
  14. Lee HP, Oh SC, Yoon SI, Kim HT, Journal of the Korean Industrial and Engineering Chemistry, 15(2), 260, 2004
  15. Lee HS, Kim JY, Yu JK, Kil IS, Kim DH, Lee TJ, Rhee YW, Korean Journal of Chemical Engineering, 22(6), 889, 2005
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