Synthesis of NiW/Al2O3 hydrotreating catalysts from ammonium paratungstate using chelating agents

Synthesis of NiW/Al2O3 hydrotreating catalysts from ammonium paratungstate using chelating agents Procedures are suggested for preparing NiW/Al2O3 catalysts using ammonium paratungstate as a tungsten source and citric acid and D(+)-sorbitol as chelating agents. The catalysts prepared using the suggested reagents are characterized by increased dispersity of the sulfide component compared to the NiW/Al2O3 catalyst prepared by the traditional procedure using ammonium metatungstate and nickel(II) nitrate. In transformations of dibenzothiophene, quinoline, and naphthalene, the NiW/Al2O3 catalysts prepared using ammonium paratungstate and citric acid or D(+)-sorbitol considerably surpass in the activity the NiW/Al2O3 catalyst prepared by the traditional procedure. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Applied Chemistry Springer Journals

Synthesis of NiW/Al2O3 hydrotreating catalysts from ammonium paratungstate using chelating agents

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Publisher
Pleiades Publishing
Copyright
Copyright © 2015 by Pleiades Publishing, Ltd.
Subject
Chemistry; Chemistry/Food Science, general; Industrial Chemistry/Chemical Engineering
ISSN
1070-4272
eISSN
1608-3296
D.O.I.
10.1134/S1070427215090128
Publisher site
See Article on Publisher Site

Abstract

Procedures are suggested for preparing NiW/Al2O3 catalysts using ammonium paratungstate as a tungsten source and citric acid and D(+)-sorbitol as chelating agents. The catalysts prepared using the suggested reagents are characterized by increased dispersity of the sulfide component compared to the NiW/Al2O3 catalyst prepared by the traditional procedure using ammonium metatungstate and nickel(II) nitrate. In transformations of dibenzothiophene, quinoline, and naphthalene, the NiW/Al2O3 catalysts prepared using ammonium paratungstate and citric acid or D(+)-sorbitol considerably surpass in the activity the NiW/Al2O3 catalyst prepared by the traditional procedure.

Journal

Russian Journal of Applied ChemistrySpringer Journals

Published: Dec 23, 2015

References

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