Dehydration of methanol over Nordstrandite based catalysts for dimethyl ether synthesis

Chang Won Seo; Kwang Deog Jung; Kwan Young Lee; Kye Sang Yoo

Journal of Industrial and Engineering Chemistry, Vol.15, No.5, 649-652, September, 2009

DOI10.1016/j.jiec.2009.09.037 Export Citation

Dehydration of methanol over Nordstrandite based catalysts for dimethyl ether synthesis

Chang Won Seo, Kwang Deog Jung , Kwan Young Lee¹, and Kye Sang Yoo^{2, †}

Clean Energy Research Center, Korea Institute of Science and Technology, 39-1 Hawolgok-dong, Seongbuk-gu, Seoul, Republic of Korea
¹Department of Chemical & Biological Engineering, Korea University, Seongbuk-gu, Seoul, Republic of Korea
²Department of Chemical Engineering, Seoul National University of Technology, 172 Gongreung 2-dong, Nowon-gu, Seoul, 139-743, Republic of Korea

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This study focused on the investigation of Nordstrandite as a catalyst for dehydration of methanol to dimethyl ether synthesis. The structure phase of Nordstrandite has been changed to boehmite and γ-Al2O3 in sequence via calcinations at various temperatures. Moreover, the properties of the samples have been varied significantly with heat treatment. The number of acid sites of Nordstrandite was much higher than the other aluminas. However, the catalytic activity of Nordstrandite was comparable to the other catalysts with fewer amounts of acid sites. This means that structure phase is one of the most important factors for catalytic performance in this reaction.

Keywords:Methanol dehydration;Nordstrandite;Dimethyl ether

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[3] Yaripour F, Baghaei F, Schmidt I, Perregaard J, Chem. Commun., 6, 147 (2005)

[4] Fu Y, Hong T, Chen J, Auroux A, Shen J, Thermochim. Acta, 434, 22 (2005)

[5] Siva Kumar V, Padmasri AH, Satyanarayana CVV, Reddy I, Raju AK, Rama BD, Rao KS, Chem. Commun., 7, 745 (2006)

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[7] Jiang S, Hwang JS, Jin T, Bull. Kor. Chem. Soc., 2, 185 (2004)

[8] Xu MT, Goodman DW, Bhattacharyya A, Appl. Catal. A: Gen., 149(2), 303 (1997)

[9] Mao DS, Yang WM, Xia JC, Zhang B, Lu GZ, J. Mol. Catal. A-Chem., 250(1-2), 138 (2006)

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[11] Ge QJ, Huang YM, Qiu FY, Li SB, Appl. Catal. A: Gen., 167(1), 23 (1998)

[12] Jun KW, Lee HS, Rho HS, Park SE, Bull. Kor. Chem. Soc., 23, 803 (2002)

[13] Yaripour F, Baghaei F, Schmidt I, Perregaard J, Catal. Commun., 6, 542 (2005)

[14] Song D, Cho W, Park DK, Yoon ES, J. Ind. Eng. Chem., 13(5), 815 (2007)

[15] Spivey JJ, Chem. Eng. Commun., 110, 123 (1991)

[16] Xia J, Mao D, Tao W, Chen Q, Zhang Y, Tang Y, Micropor. Mesopor. Mater., 91, 33 (2006)

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[18] Maciver DS, Tobin HH, Barth RT, J. Catal., 2, 485 (1963)

[19] Maciver DS, Wilmot WH, Bridges JM, J. Catal., 3, 502 (1964)

[20] Morterra C, Magnacca G, Catal. Today, 27(3-4), 497 (1996)

[21] Kiviat F, Petrakis Leonidas E, J. Phys. Chem., 77, 1232 (1973)

[22] Venuto PB, Micropor. Mater., 2, 297 (1994)

[23] Bandiera J, Naccache C, Appl. Catal., 69, 139 (1991)