Gas-phase dehydration of glycerol over commercial Pt/γ-Al<sub>2</sub>O<sub>3</sub> catalysts

Sergey Danov; Anton Esipovich; Artem Belousov; Anton Rogozhin

doi:10.1016/j.cjche.2015.03.012

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Gas-phase dehydration of glycerol over commercial Pt/γ-Al₂O₃ catalysts

催化、动力学与反应工程 | Updated：2026-01-06

- Gas-phase dehydration of glycerol over commercial Pt/γ-Al₂O₃ catalysts
- Chinese Journal of Chemical Engineering Vol. 23, Issue 7, Pages: 1138-1146(2015)
- Affiliations：
  
  2 Lobachevsky State University of Nizhni Novgorod, National Research University, 23, Gagarin Avenue, Nizhny Novgorod 603950, Russian Federation
- Author bio：
- Funds：
- DOI：10.1016/j.cjche.2015.03.012
  CLC：
- Published：2015
- Accepted：
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O DOI： 10.1016/j.cjche.2015.03.012.

摘要

Abstract

Gas-phase dehydration of glycerol to produce acrolein was investigated over commercial catalysts based on γ-Al

viz. A-64

A-56

I-62

AP-10

AP-56

AP-64 and KR-104. To understand the effect of Cl

anions

HCl-impregnated supports have been investigated in the dehydration reaction of glycerol at 375 ℃. For comparison

various H-zeolites were also examined. It was found that the glycerol conversion over the solid acid catalysts was strongly dependent on their acidity and surface area. And the relationship between the catalytic activity and the acidity of the catalysts was discussed. The outstanding properties of Pt/γ-Al

catalyst systems for the dehydration of glycerol were revealed. Pt/γ-Al

catalyst (AP-64) showed the highest catalytic activity after 50 h of reaction with an acrolein selectivity of 65% at a conversion of glycerol of 90%. Based on these results

catalysts based on γ-Al

appear to be most promising for gas phase dehydration of glycerol.

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Gas-phase dehydration of glycerol over commercial Pt/γ-Al2O3 catalysts

DOI：10.1016/j.cjche.2015.03.012

摘要

Abstract

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Keywords

references

Gas-phase dehydration of glycerol over commercial Pt/γ-Al₂O₃ catalysts