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Effect of the detonation nanodiamond surface on the catalytic activity of deposited nickel catalysts in the hydrogenation of acetylene
Moscow State University, Faculty of Chemistry, Moscow, Russia.
Moscow State University, Faculty of Chemistry, Moscow, Russia.
Moscow State University, Faculty of Chemistry, Moscow, Russia.
Moscow State University, Faculty of Chemistry, Moscow, Russia.
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2013 (English)In: Russian Journal of Physical Chemistry, ISSN 0036-0244, E-ISSN 1531-863X, Vol. A 87, no 7, 1114-1120 p.Article in journal (Refereed) Published
Abstract [en]

A comparative study is performed of the catalytic activity of nanosized nickel deposited on deto nation synthesis nanodiamond (DND) and coal (CSUG) produced by burning sugar and crystalline quartz in the hydrogenation of acetylene. Nanosized nickel is obtained through the thermal decomposition of nickel formate under a dynamic vacuum. The catalysts are studied by means of scanning electron and transmission electron microscopy, Xray fluorescence, IRspectroscopy, Xray diffraction, and pulse microcatalytic method. It is shown that Ni/DND is an active catalyst of acetylene hydrogenation, considerably surpassing Ni/quartz and Ni/CSUG. The apparent activation energy of the hydrogenation of acetylene is calculated, and the region of the reaction are determined for all catalysts. It is found that the influence of the structure and nature of a functional coating of nanodiamond on the catalytic activity of Ni/DND deposited catalyst in the hydrogenation of acetylene. The ability of Ni/DND to hold active hydrogen is detected.

Place, publisher, year, edition, pages
SP MAIK Nauka/Interperiodica , 2013. Vol. A 87, no 7, 1114-1120 p.
Keyword [en]
detonation synthesis nanodiamond, nickel, hydrogenation of acetylene, adsorbed active hydrogen
National Category
Condensed Matter Physics
Identifiers
URN: urn:nbn:se:liu:diva-93901DOI: 10.1134/S0036024413070352ISI: 000320474900009OAI: oai:DiVA.org:liu-93901DiVA: diva2:627436
Available from: 2013-06-11 Created: 2013-06-11 Last updated: 2017-12-06Bibliographically approved

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Chen, WeiminBuyanova, Irina

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