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Issue
Korean Journal of Chemical Engineering,
Vol.26, No.4, 994-998, 2009
Effect of Cs(x)H(3-x)PW(12)O(40) addition on the catalytic performance of ZnFe(2)O(4) in the oxidative dehydrogenation of n-butene to 1,3-butadiene
Lee H, Jung JC, Kim H, Chung YM, Kim TJ, Lee SJ, Oh SH, Kim YS, Song IK
Oxidative dehydrogenation of n-butene to 1,3-butadiene over ZnFe(2)O(4) catalyst mixed with Cs(x)H(3-x)PW(12)O(40) heteropolyacid (HPA) was performed in a continuous flow fixed-bed reactor. The effect of Cs(x)H(3-x)PW(12)O(40) addition on the catalytic performance of ZnFe(2)O(4) was investigated. Cs(x)H(3-x)PW(12)O(40) itself showed very low catalytic performance in the oxidative dehydrogenation of n-butene. However, addition of small amount of Cs(x)H(3-x)PW(12)O(40) into ZnFe(2)O(4) enhanced the catalytic performance of ZnFe(2)O(4) catalyst. The catalytic performance of ZnFe(2)O(4)-Cs(x)H(3-x)PW(12)O(40) mixed catalysts was closely related to the surface acidity of Cs(x)H(3-x)PW(12)O(40). Among the catalysts tested, ZnFe(2)O(4)-Cs(2.5)H(0.5)PW(12)O(40) mixed catalyst showed the best catalytic performance. Strong acid strength and large surface acidity of Cs(2.5)H(0.5)PW(12)O(40) was responsible for high catalytic performance of ZnFe(2)O(4)-Cs(2.5)H(0.5)PW(12)O(40) mixed catalyst. Thus, Cs(2.5)H(0.5)PW(12)O(40) could be utilized as an efficient promoter and diluent in formulating ZnFe(2)O(4) catalyst for the oxidative dehydrogenation of n-butene.
Keywords: Zinc Ferrite; n-Butene; 1,3-Butadiene; Oxidative Dehydrogenation; Cesium-exchanged Heteropolyacid
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[Cited By]
  1. Park HW, Park S, Park DR, Choi JH, Song IK, Korean Journal of Chemical Engineering, 28(5), 1177, 2011
  2. Park HW, Park S, Park DR, Choi JH, Song IK, Journal of Industrial and Engineering Chemistry, 17(4), 736, 2011
  3. Park JH, Shin CH, Journal of Industrial and Engineering Chemistry, 21, 683, 2015
  4. Park JH, Shin CH, Korean Chemical Engineering Research, 53(3), 391, 2015
  5. Park JH, Youn HK, Shin CH, Korean Chemical Engineering Research, 53(6), 824, 2015
  6. Park JH, Shin CH, Korean Journal of Chemical Engineering, 33(3), 823, 2016
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