Catalytic hydrogenation of quinoline in the presence of carbonaceous material obtained by pyrolysis of a cobalt complex with 1,2-diaminobenzene
DOI:
https://doi.org/10.15407/dopovidi2026.01.032Keywords:
hydrogenation catalyst, pyrolysis, carbonaceous material, nanotubes, TEM, Raman spectroscopy, adsorptionAbstract
The carbonaceous material was isolated from the Co-C/SiO2 hydrogenation catalyst, formed by pyrolysis of the CoII complex with 1,2-diaminobenzene deposited on aerosil, by treatment with HCl and HF solutions. The material was studied by TEM and Raman spectroscopy. The specifi c surface area was determined on the results of the nitrogen adsorption measurements. It was shown that the obtained carbonaceous material consisted of amorphous carbon and nanotubes, which may be present in the original Co-C/SiO2 catalyst or may form as a result of folding of thin carbonaceous sheets remaining after dissolution of Co and SiO2. It was found that such carbonaceous material was an efficient catalyst for the hydrogenation of quinoline at a low residual Co content (about 0.5 %), which is a sign of the possible participation of the carbonaceous component of catalysts, obtained by pyrolysis of cobalt coordination compounds with organic ligands, in hydrogenation processes.
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