Glycerol Dehydration to Acrolein over Activated Carbon-Supported Silicotungstic Acids

Chinese Journal of Catalysis ›› 2008, Vol. 29 ›› Issue (3): 212-214.

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Glycerol Dehydration to Acrolein over Activated Carbon-Supported Silicotungstic Acids

NING Lili1,2, DING Yunjie2,3*, CHEN Weimiao2, GONG Leifeng2,4, LIN Ronghe2,4, L　Yuan2, XIN Qin3

1 College of Chemistry and Chemical Engineering, Liaoning Normal University, Dalian 116029, Liaoning, China; 2 Dalian Institute of Chemical Physics, The Chinese Academy of Sciences, Dalian 116023, Liaoning, China; 3 State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, The Chinese Academy of Sciences, Dalian 116023, Liaoning, China; 4 Graduate University of Chinese Academy of Sciences, Beijing 100049, China

Received:2008-03-25 Online:2008-03-25 Published:2012-03-01

Abstract

Abstract: Activated carbon(AC)-supported silicotungstic acid (H4[SiW12O40]·nH2O, HSiW) catalysts were employed to produce acrolein from glycerol dehydration. The results indicated that catalysts with 10% HSiW loading exhibited the highest activity and selectivity. The space time yield of acrolein reached 68.5 mmol/(g\5h), which is the best result ever reported in the literature. The properties of the catalysts were closely related to the HSiW dispersion and the relative quantities of strong acid sites.

Key words: silicotungstic acid, activated carbon, supported catalyst, glycerol, dehydration, acrolein

NING Lili;DING Yunjie;*;CHEN Weimiao;GONG Leifeng;LIN Ronghe;L　Yuan;XIN Qin. Glycerol Dehydration to Acrolein over Activated Carbon-Supported Silicotungstic Acids[J]. Chinese Journal of Catalysis, 2008, 29(3): 212-214.

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Glycerol Dehydration to Acrolein over Activated Carbon-Supported Silicotungstic Acids

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