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Issue
Korean Journal of Chemical Engineering,
Vol.19, No.4, 611-616, 2002
Phase Cooperation of V2O5 and Bi2O3 in the Selective Oxidation of H2S Containing Ammonia and Water
Cho YG, Hwang BH, Park DW, Woo HC, Chung JS
The selective oxidation of hydrogen sulfide containing excess water and ammonia was studied over vanadium oxide-based catalysts. The investigation was focused on the role of V2O5, and phase cooperation between V2O5 and Bi2O3 in this reaction. The conversion of H2S continued to decrease since V2O5 was gradually reduced by treatment with H2S. The activity of V2O5 was recovered by contact with oxygen. A strong synergistic phenomenon in catalytic activity was observed for the mechanically mixed catalysts of V2O5 and Bi2O3. Temperature-programmed reduction (TPR) and oxidation (TPO) and two bed reaction tests were performed to explain this synergistic effect by the reoxidation ability of Bi2O3.
Keywords: Hydrogen Sulfide; Selective Oxidation; Phase Cooperation; Vanadium Oxide; Bismuth Oxide
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[Cited By]
  1. Kim BK, Hwang BH, Lee HS, Woo HC, Park DW, Korean Journal of Chemical Engineering, 21(1), 104, 2004
  2. Pi JH, Lee DH, Lee JD, Jun JH, Park NK, Ryu SO, Lee TJ, Korean Journal of Chemical Engineering, 21(1), 126, 2004
  3. Lee JD, Jun JH, Park NK, Ryu SO, Lee TJ, Korean Journal of Chemical Engineering, 22(1), 36, 2005
  4. Park DW, Hwang BH, Ju WD, Kim MI, Kim KH, Woo HC, Korean Journal of Chemical Engineering, 22(2), 190, 2005
  5. Yang X, Park DW, Kim MI, Korean Journal of Chemical Engineering, 24(4), 592, 2007
  6. Bineesh KV, Kim SY, Jermy BR, Park DW, Journal of Industrial and Engineering Chemistry, 15(2), 207, 2009
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