Methanol dehydration reaction to produce clean diesel alternative dimethylether over mesoporous aluminosilicate-based catalysts

Date

2009-06-01

Author

VARIŞLI, DİLEK
Tokay, Kenan Cem
Ciftci, Ayseguel
DOĞU, TİMUR
Doğu, Timur

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Due to its good burning characteristics and high cetane number, dimethylether (DME) is considered as a highly attractive and clean alternative to diesel fuel. This ether can be produced by methanol dehydration reaction over solid acid catalysts. In the present study, activities of mesoporous aluminosilicate catalysts prepared by the hydrothermal synthesis route and containing Al/Si atomic ratios ranging between 0.03 and 0.18 were tested in methanol dehydration. The optimum Al/Si ratio was 0.09 for DME synthesis. Activity of silicotungstic acid (STA) impregnated aluminosilicate was also tested. This STA impregnated catalyst showed very high DME yield values at temperatures as low as 250 degrees C. DME selectivity approached unity for all the aluminosilicate catalysts over 300 degrees C.

Subject Keywords

Methanol dehydration, Silicotungstic acid, Aluminosilicate, DME

URI

https://hdl.handle.net/11511/32049

Journal

TURKISH JOURNAL OF CHEMISTRY

DOI

https://doi.org/10.3906/kim-0809-31

Collections

Graduate School of Natural and Applied Sciences, Article

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Citation Formats

D. VARIŞLI, K. C. Tokay, A. Ciftci, T. DOĞU, and T. Doğu, “Methanol dehydration reaction to produce clean diesel alternative dimethylether over mesoporous aluminosilicate-based catalysts,” TURKISH JOURNAL OF CHEMISTRY, pp. 355–366, 2009, Accessed: 00, 2020. [Online]. Available: https://hdl.handle.net/11511/32049.