Ni or Ru supported on MgO/γ-Al2O3 pellets for the catalytic conversion of ethanol into butanol
Ni- and Ru-based catalytic pellets supported on commercial γ-Al 2 O 3 pellets modified with magnesium oxide have been prepared for application in the catalytic conversion of ethanol into butanol. MgO/γ-Al 2 O 3 pellets with or without added metals have been characterized by XRD, SEM/EDX, TGA, N 2 ph...
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Published in | RSC advances Vol. 8; no. 45; pp. 25846 - 25855 |
---|---|
Main Authors | , , |
Format | Journal Article |
Language | English |
Published |
Cambridge
Royal Society of Chemistry
18.07.2018
The Royal Society of Chemistry |
Subjects | |
Online Access | Get full text |
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Abstract | Ni- and Ru-based catalytic pellets supported on commercial γ-Al
2
O
3
pellets modified with magnesium oxide have been prepared for application in the catalytic conversion of ethanol into butanol. MgO/γ-Al
2
O
3
pellets with or without added metals have been characterized by XRD, SEM/EDX, TGA, N
2
physisorption, H
2
TPR, and CO
2
TPD in order to investigate the effect of MgO coverage and metal distribution on the surface and red-ox properties of the materials and, in turn, their effects on the catalytic performance. The conversion of ethanol into butanol has been investigated in a continuous flow reactor at 350-400 °C under diluted conditions (3% ethanol) in order to rank the different catalytic pellets and identify the best formulations and preparation procedures
via
a comparison with powder catalysts previously proposed in the literature with similar compositions. Results show enhanced catalytic performance for MgO-covered alumina pellets with respect to a pure MgO powder catalyst in spite of the lower MgO load. A significant further positive effect is found when Ni or Ru enters a solid solution with MgO.
Ni- and Ru-based catalytic pellets supported on commercial γ-Al
2
O
3
pellets modified with magnesium oxide have been prepared for application in the catalytic conversion of ethanol into butanol. |
---|---|
AbstractList | Ni- and Ru-based catalytic pellets supported on commercial γ-Al
2
O
3
pellets modified with magnesium oxide have been prepared for application in the catalytic conversion of ethanol into butanol. MgO/γ-Al
2
O
3
pellets with or without added metals have been characterized by XRD, SEM/EDX, TGA, N
2
physisorption, H
2
TPR, and CO
2
TPD in order to investigate the effect of MgO coverage and metal distribution on the surface and red-ox properties of the materials and, in turn, their effects on the catalytic performance. The conversion of ethanol into butanol has been investigated in a continuous flow reactor at 350–400 °C under diluted conditions (3% ethanol) in order to rank the different catalytic pellets and identify the best formulations and preparation procedures
via
a comparison with powder catalysts previously proposed in the literature with similar compositions. Results show enhanced catalytic performance for MgO-covered alumina pellets with respect to a pure MgO powder catalyst in spite of the lower MgO load. A significant further positive effect is found when Ni or Ru enters a solid solution with MgO.
Ni- and Ru-based catalytic pellets supported on commercial γ-Al
2
O
3
pellets modified with magnesium oxide have been prepared for application in the catalytic conversion of ethanol into butanol. Ni- and Ru-based catalytic pellets supported on commercial γ-Al2O3 pellets modified with magnesium oxide have been prepared for application in the catalytic conversion of ethanol into butanol. MgO/γ-Al2O3 pellets with or without added metals have been characterized by XRD, SEM/EDX, TGA, N2 physisorption, H2 TPR, and CO2 TPD in order to investigate the effect of MgO coverage and metal distribution on the surface and red-ox properties of the materials and, in turn, their effects on the catalytic performance. The conversion of ethanol into butanol has been investigated in a continuous flow reactor at 350–400 °C under diluted conditions (3% ethanol) in order to rank the different catalytic pellets and identify the best formulations and preparation procedures via a comparison with powder catalysts previously proposed in the literature with similar compositions. Results show enhanced catalytic performance for MgO-covered alumina pellets with respect to a pure MgO powder catalyst in spite of the lower MgO load. A significant further positive effect is found when Ni or Ru enters a solid solution with MgO. |
Author | Cimino, S Lisi, L Apuzzo, J |
AuthorAffiliation | Istituto di Ricerche sulla Combustione CNR |
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Snippet | Ni- and Ru-based catalytic pellets supported on commercial γ-Al
2
O
3
pellets modified with magnesium oxide have been prepared for application in the catalytic... Ni- and Ru-based catalytic pellets supported on commercial γ-Al2O3 pellets modified with magnesium oxide have been prepared for application in the catalytic... |
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StartPage | 25846 |
SubjectTerms | Aluminum oxide Butanol Catalysts Catalytic converters Chemistry Continuous flow Conversion Dilution Ethanol Formulations Magnesium oxide Pellets Solid solutions Superconductors (materials) Transitional aluminas |
Title | Ni or Ru supported on MgO/γ-Al2O3 pellets for the catalytic conversion of ethanol into butanol |
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