Kinetics of germanium tetrachloride reduction with hydrogen in the presence of pyrolytic tungsten

Pyrolytic tungsten coatings have been produced on the surface of ash microspheres under steady-state conditions using tungsten hexacarbonyl as a precursor. The nanostructured composites thus obtained were characterized by X-ray diffraction and scanning electron microscopy. We have studied the kineti...

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Published inInorganic materials Vol. 52; no. 9; pp. 919 - 924
Main Authors Vorotyntsev, A. V., Vorotyntsev, V. M., Petukhov, A. N., Kadomtseva, A. V., Kopersak, I. Yu, Trubyanov, M. M., Ob”edkov, A. M., Pikulin, I. V., Drozhzhin, V. S., Aushev, A. A.
Format Journal Article
LanguageEnglish
Published Moscow Pleiades Publishing 01.09.2016
Subjects
Catalysis
Catalysts
Chemistry
Chemistry and Materials Science
Hydrogen
Industrial Chemistry/Chemical Engineering
Inorganic Chemistry
Materials Science
Precursors
Reduction
Tetrachlorides
Tungsten
X ray diffraction
germanium tetrachloride
ash microspheres
heterogeneous catalysis
pyrolytic tungsten
germanium
kinetics
reduction
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Summary:Pyrolytic tungsten coatings have been produced on the surface of ash microspheres under steady-state conditions using tungsten hexacarbonyl as a precursor. The nanostructured composites thus obtained were characterized by X-ray diffraction and scanning electron microscopy. We have studied the kinetics of the catalytic reduction of germanium tetrachloride with hydrogen in the temperature range 423–973 K in the presence of the composites as catalysts and determined the reaction order and activation energy for the catalytic reduction of germanium tetrachloride with hydrogen.
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ISSN:0020-1685
1608-3172
DOI:10.1134/S002016851609017X