Dimethyl Ether Synthesis via Methanol Dehydration over BEA Zeolite from Bagasse Fly Ash with Zircronium- and Nickel-Ion Exchange

Abstract:

Article Preview

The synthesis of dimethyl ether via methanol dehydration has been carried out over Beta zeolite (BEA) and ion-exchanged Beta zeolite from bagasse fly ash using hydrothermal method. The reactions were taken place in a fixed-bed reactor. The effects of nickel and zirconium ion-exchanged of BEA were investigated. Ni-BEA zeolite exhibited high methanol conversion rate and DME-resultant upon the reaction temperature from 200 to 225°C with equilibrium-limiting condition over 225°C; Furthermore, the Ni-BEA zeolite presented the best stable activity at 225°C over 1,200 minute. The Ni-BEA zeolite has also been interesting as a zeolite which suited to be one role importance to improve the properties for methanol dehydration to dimethyl ether.

Info:

Periodical:

Advanced Materials Research (Volumes 931-932)

Edited by:

Sujin Bureerat

Pages:

3-6

Citation:

W. Pranee et al., "Dimethyl Ether Synthesis via Methanol Dehydration over BEA Zeolite from Bagasse Fly Ash with Zircronium- and Nickel-Ion Exchange", Advanced Materials Research, Vols. 931-932, pp. 3-6, 2014

Online since:

May 2014

Export:

Price:

$38.00

* - Corresponding Author

[1] Y. H. Seo, E. A. Prasetyanto, N. Jiang, S. M. Oh, S. E. Park, Catalytic dehydration of methanol over synthetic zeolite W, Micropor. Mesopor. Mater., 128 (2010) 108-114.

DOI: https://doi.org/10.1016/j.micromeso.2009.08.011

[2] D. R. Fernandes, N. R. Jr, C. J. A. Mota, Catalytic conversion of chloromethane to methanol and dimethyl ether over metal-exchanged zeolite Y, Appl Catal A: Gerneral., 367 (2009) 108-112.

DOI: https://doi.org/10.1016/j.apcata.2009.07.043

[3] J. Inthasri, Synthesis of beta zeolite from bagasse fly ash, Chemical Engineering Department, Engineering Faculty, King Mongkut's Institute of Technology Ladkrabang, Bangkok, Thailand, 2007, 39-62.

[4] G. Lv, F. Bin, C. Song, K. Wang, J. Song, Promoting effect of zirconium doping on Mn/ZSM-5 for the selective catalytic reduction of NO with NH3, Fuel, 107 (2013) 217-224.

DOI: https://doi.org/10.1016/j.fuel.2013.01.050

[5] R.M. Mihalyia, F. Lonyia, H.K. Beyer, A. Szegedia, M. Kollar, G. Pal-Borbely, J. Valyon, n-Heptane hydroconversion over nickel-loaded aluminum- and/or boron-containing BEA zeolites prepared by recrystallization of magadiite varieties, J. Mol. Catal. A: Chemi., 367 (2013).

DOI: https://doi.org/10.1016/j.molcata.2012.09.030

[6] S. P. Felix, C. Savill-Jowitt, D. R. Brown, Base adsorption calorimetry for characterising surface acidity: a comparison between pulse flow and conventional static, techniques, Thermochimica Acta 433 (2005) 59–65.

DOI: https://doi.org/10.1016/j.tca.2005.02.012