Carbon Dioxide Reforming of Methane over Ni/CaO/Al<sub>2</sub>O<sub>3</sub>

Hyun-Seog Roh; Zhong-Wen Liu; H.S. Potdar; Jae-Woo Kim; Ki-Won Jun

Journal of Industrial and Engineering Chemistry, Vol.9, No.6, 762-767, November, 2003

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Carbon Dioxide Reforming of Methane over Ni/CaO/Al₂O₃

Hyun-Seog Roh, Zhong-Wen Liu, H.S. Potdar, Jae-Woo Kim, and Ki-Won Jun^†

Chemical Technology Division, Korea Research Institute of Chemical Technology, Daejeon 305-600, Korea

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Ni catalysts Supported on CaO-precoated Al₂O₃, were prepared and characterized by BET, XRD and TPR techniques. The Ni/CaO/Al₂O₃ catalysts with various CaO loadings were applied to carbon dioxide reforming of CH₄. All the catalysts showed a fairly good stability but the activity of Ni/CaO/Al₂O₃ depended upon the-amount of CaO. Among the catalysts tested, the Ni/CaO/Al₂O₃ catalyst with a Ca/Al ratio of 0.04 exhibited the highest activity and stability. The interaction between Ni and the support was changed with the addition of CA and the variation of Ca/Al ratio. Based on the characterization results, the promotional effect of CaO on Ni/-Al₂O₃ resulted from (1) the interaction between Ni and CaO, (2) the stabilization of CaO on Al₂O₃ and (3) the strong basicity of CaO. It was Suggested that the highly dispersed CaO species are effective obtain active and stable Ni/CaO/Al₂O₃ catalysts in carbon dioxide reforming of methane.

Keywords:carbon dioxide reforming of methane;Ni;CaO;characterization;metal-support interaction

[References]

Bradford MCJ, Vannice MA, Catal. Rev.-Sci. Eng., 41(1), 1 (1999)
Wang SB, Lu GQ, Millar GJ, Energy Fuels, 10(4), 896 (1996)
Rostrup-Nielsen JR, Stud. Surf. Sci. Catal., 81, 25 (1993)
Ashcroft AT, Cheetham AK, Green MLH, Vernon PDF, Nature, 352, 225 (1991)
Wang HY, Ruckenstein E, Appl. Catal. A: Gen., 204(1), 143 (2000)
Rostrup-Nielsen JR, Hansen JHB, J. Catal., 144, 38 (1993)
Xu Z, Li YM, Zhang JY, Chang L, Zhou RQ, Duan ZT, Appl. Catal. A: Gen., 210(1-2), 45 (2001)
Wang SB, Lu GQ, Appl. Catal. B: Environ., 19(3-4), 267 (1998)
Roh HS, Jun KW, Baek SC, Park SE, Bull. Korean Chem. Soc., 23, 793 (2002)
Luo JZ, Yu ZL, Ng CF, Au CT, J. Catal., 194(2), 198 (2000)
Roh HS, Jun KW, Baek SC, Park SE, Bull. Korean Chem. Soc., 23, 1166 (2002)
Wang SB, Lu GQM, Appl. Catal. B: Environ., 16(3), 269 (1998)
Tomishige K, Yamazaki O, Chen YG, Yokoyama K, Li XH, Fujimoto K, Catal. Today, 45(1-4), 35 (1998)
Potdar HS, Roh HS, Jun KW, Ji M, Liu ZW, Catal. Lett., 84(1-2), 95 (2002)
Wei JM, Xu BQ, Li JL, Cheng ZX, Zhu QM, Appl. Catal. A: Gen., 196(2), L167 (2000)
Wang SB, Lu GQ, Ind. Eng. Chem. Res., 38(7), 2615 (1999)
Beguin B, Garbowski E, Primet M, Appl. Catal., 75, 119 (1991)
Subramanian S, Chattha MS, Peters CR, J. Mol. Catal., 69, 235 (1991)
Haack LP, Peters CR, deVries JE, Otto K, Appl. Catal. A: Gen., 87, 103 (1992)
Chen XY, Liu Y, Niu GX, Yang ZX, Bian MY, He A, Appl. Catal. A: Gen., 205(1-2), 159 (2001)
Roh HS, Jun KW, Baek SC, Park SE, Catal. Lett., 81(3-4), 147 (2002)
Liu ZW, Roh HS, Jun KW, Park SE, Song TY, Korean J. Chem. Eng., 19(5), 742 (2002)
Liu ZW, Roh HS, Jun KW, J. Ind. Eng. Chem., 9(3), 267 (2003)
Molina R, Poncelet G, J. Catal., 173(2), 257 (1998)
Zielinski J, J. Catal., 76, 157 (1982)
Roh Hs, Jun KW, Dong WS, Park SE, Joe YI, Chem. Lett., 666 (2001)
Roh HS, Jun KW, Dong WS, Baek SC, Park SE, J. Ind. Eng. Chem., 8(5), 464 (2002)
Liu ZW, Roh HS, Jun KW, Potdar HS, Ji M, J. Ind. Eng. Chem., 9(5), 576 (2003)
Chang JS, Park SE, Roh HS, Park YK, Bull. Korean Chem. Soc., 19, 809 (1998)
Hong SW, Oh SM, Park DW, Kim GJ, J. Ind. Eng. Chem., 7(6), 410 (2001)
Roh HS, Jun KW, Park SE, J. Ind. Eng. Chem., 9(3), 261 (2003)

[Referenced By]

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[1] Bradford MCJ, Vannice MA, Catal. Rev.-Sci. Eng., 41(1), 1 (1999)

[2] Wang SB, Lu GQ, Millar GJ, Energy Fuels, 10(4), 896 (1996)

[3] Rostrup-Nielsen JR, Stud. Surf. Sci. Catal., 81, 25 (1993)

[4] Ashcroft AT, Cheetham AK, Green MLH, Vernon PDF, Nature, 352, 225 (1991)

[5] Wang HY, Ruckenstein E, Appl. Catal. A: Gen., 204(1), 143 (2000)

[6] Rostrup-Nielsen JR, Hansen JHB, J. Catal., 144, 38 (1993)

[7] Xu Z, Li YM, Zhang JY, Chang L, Zhou RQ, Duan ZT, Appl. Catal. A: Gen., 210(1-2), 45 (2001)

[8] Wang SB, Lu GQ, Appl. Catal. B: Environ., 19(3-4), 267 (1998)

[9] Roh HS, Jun KW, Baek SC, Park SE, Bull. Korean Chem. Soc., 23, 793 (2002)

[10] Luo JZ, Yu ZL, Ng CF, Au CT, J. Catal., 194(2), 198 (2000)

[11] Roh HS, Jun KW, Baek SC, Park SE, Bull. Korean Chem. Soc., 23, 1166 (2002)

[12] Wang SB, Lu GQM, Appl. Catal. B: Environ., 16(3), 269 (1998)

[13] Tomishige K, Yamazaki O, Chen YG, Yokoyama K, Li XH, Fujimoto K, Catal. Today, 45(1-4), 35 (1998)

[14] Potdar HS, Roh HS, Jun KW, Ji M, Liu ZW, Catal. Lett., 84(1-2), 95 (2002)

[15] Wei JM, Xu BQ, Li JL, Cheng ZX, Zhu QM, Appl. Catal. A: Gen., 196(2), L167 (2000)

[16] Wang SB, Lu GQ, Ind. Eng. Chem. Res., 38(7), 2615 (1999)

[17] Beguin B, Garbowski E, Primet M, Appl. Catal., 75, 119 (1991)

[18] Subramanian S, Chattha MS, Peters CR, J. Mol. Catal., 69, 235 (1991)

[19] Haack LP, Peters CR, deVries JE, Otto K, Appl. Catal. A: Gen., 87, 103 (1992)

[20] Chen XY, Liu Y, Niu GX, Yang ZX, Bian MY, He A, Appl. Catal. A: Gen., 205(1-2), 159 (2001)

[21] Roh HS, Jun KW, Baek SC, Park SE, Catal. Lett., 81(3-4), 147 (2002)

[22] Liu ZW, Roh HS, Jun KW, Park SE, Song TY, Korean J. Chem. Eng., 19(5), 742 (2002)

[23] Liu ZW, Roh HS, Jun KW, J. Ind. Eng. Chem., 9(3), 267 (2003)

[24] Molina R, Poncelet G, J. Catal., 173(2), 257 (1998)

[25] Zielinski J, J. Catal., 76, 157 (1982)

[26] Roh Hs, Jun KW, Dong WS, Park SE, Joe YI, Chem. Lett., 666 (2001)

[27] Roh HS, Jun KW, Dong WS, Baek SC, Park SE, J. Ind. Eng. Chem., 8(5), 464 (2002)

[28] Liu ZW, Roh HS, Jun KW, Potdar HS, Ji M, J. Ind. Eng. Chem., 9(5), 576 (2003)

[29] Chang JS, Park SE, Roh HS, Park YK, Bull. Korean Chem. Soc., 19, 809 (1998)

[30] Hong SW, Oh SM, Park DW, Kim GJ, J. Ind. Eng. Chem., 7(6), 410 (2001)

[31] Roh HS, Jun KW, Park SE, J. Ind. Eng. Chem., 9(3), 261 (2003)