Effect of the VIII group metals on the catalytic pyrolysis of lower alkanes

Catalytic pyrolysis of lower hydrocarbons C 1 –C 4 was studied in a continuous flow tubular reactor in the presence of complex catalysts containing the VIII group metals: Fe, Co, Ni, Pd, applied as salts on the reactor walls or on a ceramic support. The catalytic activity of the metal-containing com...

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Published inRussian journal of general chemistry Vol. 85; no. 1; pp. 21 - 29
Main Authors Tsyganova, E. I., Shekunova, V. M., Aleksandrov, Yu. A., Filofeev, S. V., Lelekov, V. E.
Format Journal Article
LanguageEnglish
Published Moscow Pleiades Publishing 2015
Subjects
Chemistry
Chemistry and Materials Science
Chemistry/Food Science
metal-containing coatings
pyrolysis
hydrocarbons
ethylene
catalysts
coke formation
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Summary:Catalytic pyrolysis of lower hydrocarbons C 1 –C 4 was studied in a continuous flow tubular reactor in the presence of complex catalysts containing the VIII group metals: Fe, Co, Ni, Pd, applied as salts on the reactor walls or on a ceramic support. The catalytic activity of the metal-containing compositions is compared, the effect of the metal nature on the yield of ethylene and propylene is studied and soot formation is estimated. The kinetic and activation parameters for decomposition of the hydrocarbon mixture and accumulation of the products are calculated. In the empty reactor, the best results were observed for the catalyst on the basis of Co-phosphate coating, while for reactors packed with coated ceramic support it was the Fe-containing catalyst.
ISSN:1070-3632
1608-3350
DOI:10.1134/S1070363215010041