Acrolein Production by Gas-Phase Glycerol Dehydration Using PO4/Nb2O5 Catalysts
In this study, modified niobium oxide were prepared to study the addictive effects on the catalytic performance for gas-phase glycerol dehydration. The catalysts were characterized by N2 adsorption/desorption, XRD, NH3-TPD, FT-IR. The amount of phosphoric acid
was up to 50 wt% in niobium. As a result, the highest glycerol conversion was achieved over 20 wt% PO4/Nb2O5. It indicates that the optimal amount of phosphoric acid leads the catalyst to have appropriate acidity which is an important factor for gas-phase glycerol
dehydration.
Keywords: Acrolein; Dehydration; Glycerol; Niobium Oxide (Nb2O5); Phosphoric Acid (H3PO4)
Document Type: Research Article
Affiliations: 1: Department of Advanced Chemicals Engineering, Chonnam National University, 77 Yongbong-ro Gwangju 61186, Republic of Korea 2: School of Chemical Engineering and the Research Institute for Catalysis, Chonnam National University, 77 Yongbong-ro, Buk-gu Gwangju 61186, Republic of Korea
Publication date: 01 February 2018
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