Active surface formation and catalytic activity of phosphorous-promoted electrolytic silver in the selective oxidation of ethylene glycol to glyoxal
Publication type: Journal Article
Publication date: 2008-07-01
scimago Q2
wos Q2
SJR: 1.000
CiteScore: 8.6
Impact factor: 4.8
ISSN: 0926860X, 18733875
Catalysis
Process Chemistry and Technology
Abstract
Unpromoted and phosphorus-promoted electrolytic silver catalysts have been investigated in the partial oxidation of ethylene glycol (EG). It was shown that the addition of the phosphorus-containing promoter on the surface of electrolytic Ag catalyst led to 15–20% increase in glyoxal (GO) yield. The formation mechanism of the active P-containing surfaces of silver catalyst as well as polycrystalline Ag foil has been studied by means of X-ray photoelectron spectroscopy (XPS), temperature-programmed desorption (TPD) and scanning electron microscopy (SEM) methods. It was shown that silver clusters located nearby the P-containing Ag surface participate in the ethylene glycol oxidation into glyoxal. The rise of glyoxal selectivity is explained by the absence of low temperature peak at 250 °C in TPD spectra of both P-promoted Ag foil and electrolytic Ag catalysts. This peak was assigned to the decomposition of surface oxide-like species (Ag 2 s O) responsible for deep oxidation of ethylene glycol.
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GOST
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Magaev O. V. et al. Active surface formation and catalytic activity of phosphorous-promoted electrolytic silver in the selective oxidation of ethylene glycol to glyoxal // Applied Catalysis A: General. 2008. Vol. 344. No. 1-2. pp. 142-149.
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Magaev O. V., Knyazev A. S., Dorofeeva N. V., Vodyankina O. V., Salanov A., Boronin A. Active surface formation and catalytic activity of phosphorous-promoted electrolytic silver in the selective oxidation of ethylene glycol to glyoxal // Applied Catalysis A: General. 2008. Vol. 344. No. 1-2. pp. 142-149.
Cite this
RIS
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TY - JOUR
DO - 10.1016/j.apcata.2008.04.007
UR - https://doi.org/10.1016/j.apcata.2008.04.007
TI - Active surface formation and catalytic activity of phosphorous-promoted electrolytic silver in the selective oxidation of ethylene glycol to glyoxal
T2 - Applied Catalysis A: General
AU - Magaev, O V
AU - Knyazev, A. S.
AU - Dorofeeva, N V
AU - Vodyankina, Olga V.
AU - Salanov, Aleksei
AU - Boronin, Andrei
PY - 2008
DA - 2008/07/01
PB - Elsevier
SP - 142-149
IS - 1-2
VL - 344
SN - 0926-860X
SN - 1873-3875
ER -
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BibTex (up to 50 authors)
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@article{2008_Magaev,
author = {O V Magaev and A. S. Knyazev and N V Dorofeeva and Olga V. Vodyankina and Aleksei Salanov and Andrei Boronin},
title = {Active surface formation and catalytic activity of phosphorous-promoted electrolytic silver in the selective oxidation of ethylene glycol to glyoxal},
journal = {Applied Catalysis A: General},
year = {2008},
volume = {344},
publisher = {Elsevier},
month = {jul},
url = {https://doi.org/10.1016/j.apcata.2008.04.007},
number = {1-2},
pages = {142--149},
doi = {10.1016/j.apcata.2008.04.007}
}
Cite this
MLA
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Magaev, O. V., et al. “Active surface formation and catalytic activity of phosphorous-promoted electrolytic silver in the selective oxidation of ethylene glycol to glyoxal.” Applied Catalysis A: General, vol. 344, no. 1-2, Jul. 2008, pp. 142-149. https://doi.org/10.1016/j.apcata.2008.04.007.