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Sulfated tin oxide as an efficient solid acid catalyst for liquid phase selective dehydration of sorbitol to isosorbide

Paper ID Volume ID Publish Year Pages File Format Full-Text
49777 46766 2013 5 PDF Available
Title
Sulfated tin oxide as an efficient solid acid catalyst for liquid phase selective dehydration of sorbitol to isosorbide
Abstract

•Sulfated tin oxides were synthesized by the thermal decomposition of stannous sulfate.•Sulfated tin oxides were evaluated in the liquid phase dehydration of sorbitol.•Combination of sulfate and tin enhanced isosorbide selectivity (65%) at 180 °C.•SO4− 2/SnO2 exhibited high catalytic activity compared to sulfated zirconia.

Sulfated tin oxides (STO) with different sulfur content (1–8 wt%) were prepared via straightforward thermal decomposition of stannous sulfate. The catalyst performances of STO were investigated in liquid phase dehydration of sorbitol under solvent free condition. The calcination temperature of STO affected sulfur content and isosorbide selectivity. The STO exhibited high catalytic activity compared to sulfated zirconia affording complete conversion of sorbitol with 65% isosorbide selectivity in 2 h at 180 °C. Effects of reaction temperature, catalyst amount and reaction time on conversion and selectivity were studied and the catalyst was also reused.

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Keywords
Dehydration; Sorbitol; Isosorbide; Solid super acid; Sulfated tin oxide
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Sulfated tin oxide as an efficient solid acid catalyst for liquid phase selective dehydration of sorbitol to isosorbide
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Communications - Volume 42, 5 December 2013, Pages 1–5
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
Get Full-Text Now
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Price was $35.95
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Price after discount Only $4.95
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Any Questions? feel free to contact us