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Sökning: WFRF:(Tveritinova E A)

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1.
  • Tveritinova, E. A., et al. (författare)
  • Effect of the detonation nanodiamond surface on the catalytic activity of deposited nickel catalysts in the hydrogenation of acetylene
  • 2013
  • Ingår i: Russian Journal of Physical Chemistry. - : SP MAIK Nauka/Interperiodica. - 0036-0244 .- 1531-863X. ; A 87:7, s. 1114-1120
  • Tidskriftsartikel (refereegranskat)abstract
    • 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.
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2.
  • Tveritinova, E A, et al. (författare)
  • Catalytic conversion of C(2)-C(3) alcohols on detonation nanodiamond and its modifications
  • 2012
  • Ingår i: Russian Journal of Physical Chemistry. - : MAIK Nauka/Interperiodica. - 0036-0244 .- 1531-863X. ; 86:1, s. 26-31
  • Tidskriftsartikel (refereegranskat)abstract
    • The catalytic activity of detonation nanodiamond and its modifications obtained through treatment with hydrogen or air at elevated temperatures is studied in the conversion of C(2)-C(3) alcohols. The catalysts were characterized by means of electron microscopy, optical (FTIR) spectroscopy, elemental analysis and pulse microcatalytic method. It has been established that nanodiamond exhibits high catalytic activity in the conversion of alcohols. The oxidizing and reducing treatment of nanodiamond changes its activity and selectivity, and the activity of oxidized nanodiamond is considerably higher than that of reduced nanodiamond.
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  • Resultat 1-2 av 2
Typ av publikation
tidskriftsartikel (2)
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refereegranskat (2)
Författare/redaktör
Chen, Weimin (2)
Buyanova, Irina (2)
Fionov, A.V. (2)
Lunin, V.V. (2)
Tveritinova, E A (2)
Kulakova, I I (2)
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Zhitnev, Yu N (2)
Lund, Anders (1)
Kharlanov, A. N. (1)
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