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Influence of Anderson and Keggin heteropoly compounds as precursors of oxide phases in hydrotreating catalysts on their performance

Tomina, N. N. / Nikul’shin, P. A. / Pimerzin, A. A.

Abstract Unpromoted and nickel-promoted catalysts were synthesized on the basis of the Anderson heteropoly compounds (NH4)6 − x [X x (OH)6Mo6O18] · nH2O, where heteroatom X is Cr(III), Mn(II), Fe(II), Ni(II), Co(II), Cu(II), Zn(II), or Ga(III), and their activity in the thiophene hydrogenolysis reaction and hydrofining of diesel fraction was examined. It was shown that the most active hydrotreating catalysts under the test conditions in a flow unit were the samples with X = Ni, Mn, or Zn. The catalysts synthesized from the Keggin heteropoly compounds H4[SiMo12O40] · 17H2O, H3[PMo12O40] · 19H2O, H3[PVMo11O40] · nH2O, and (NH4) x [V(MoO3)12] · nH2O were tested in the hydrofining of light coker gas oil. The maximum activity was displayed by the catalysts prepared on the basis of the vanadium-containing heteropoly compounds H3[PVMo11O40] · nH2O and (NH4) x [V(MoO3)12] · nH2O.

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Influence of Anderson and Keggin heteropoly compounds as precursors of oxide phases in hydrotreating catalysts on their performance

Tomina, N. N. / Nikul’shin, P. A. / Pimerzin, A. A.

Abstract Unpromoted and nickel-promoted catalysts were synthesized on the basis of the Anderson heteropoly compounds (NH4)6 − x [X x (OH)6Mo6O18] · nH2O, where heteroatom X is Cr(III), Mn(II), Fe(II), Ni(II), Co(II), Cu(II), Zn(II), or Ga(III), and their activity in the thiophene hydrogenolysis reaction and hydrofining of diesel fraction was examined. It was shown that the most active hydrotreating catalysts under the test conditions in a flow unit were the samples with X = Ni, Mn, or Zn. The catalysts synthesized from the Keggin heteropoly compounds H4[SiMo12O40] · 17H2O, H3[PMo12O40] · 19H2O, H3[PVMo11O40] · nH2O, and (NH4) x [V(MoO3)12] · nH2O were tested in the hydrofining of light coker gas oil. The maximum activity was displayed by the catalysts prepared on the basis of the vanadium-containing heteropoly compounds H3[PVMo11O40] · nH2O and (NH4) x [V(MoO3)12] · nH2O.

Influence of Anderson and Keggin heteropoly compounds as precursors of oxide phases in hydrotreating catalysts on their performance

Tomina, N. N. / Nikul’shin, P. A. / Pimerzin, A. A.

Abstract Unpromoted and nickel-promoted catalysts were synthesized on the basis of the Anderson heteropoly compounds (NH4)6 − x [X x (OH)6Mo6O18] · nH2O, where heteroatom X is Cr(III), Mn(II), Fe(II), Ni(II), Co(II), Cu(II), Zn(II), or Ga(III), and their activity in the thiophene hydrogenolysis reaction and hydrofining of diesel fraction was examined. It was shown that the most active hydrotreating catalysts under the test conditions in a flow unit were the samples with X = Ni, Mn, or Zn. The catalysts synthesized from the Keggin heteropoly compounds H4[SiMo12O40] · 17H2O, H3[PMo12O40] · 19H2O, H3[PVMo11O40] · nH2O, and (NH4) x [V(MoO3)12] · nH2O were tested in the hydrofining of light coker gas oil. The maximum activity was displayed by the catalysts prepared on the basis of the vanadium-containing heteropoly compounds H3[PVMo11O40] · nH2O and (NH4) x [V(MoO3)12] · nH2O.

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Title:

Influence of Anderson and Keggin heteropoly compounds as precursors of oxide phases in hydrotreating catalysts on their performance

Contributors:

Tomina, N. N. (author) / Nikul’shin, P. A. (author) / Pimerzin, A. A. (author)

Published in:

Petroleum Chemistry ; 48 ; 92-99

Publication date:

2008-03-01

Size:

8 pages

ISSN:

1555-6239 , 0965-5441

DOI:

https://doi.org/10.1134/S0965544108020035

Type of media:

Article (Journal)

Type of material:

Electronic Resource

Language:

English

Keywords:

Petroleum Chemistry , Hydrogenate Activity , Hydrotreating , Diesel Fraction , Heteropoly Compound Chemistry , Industrial Chemistry/Chemical Engineering

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