Preparation of onion-like carbon with high nitrogen content (∼15%) from pyridine

Preparation of onion-like carbon with high nitrogen content (∼15%) from pyridine A new procedure of pyridine pyrolysis is suggested. It allows preparation of onion-like carbon with high nitrogen content (∼15%) as a promising material for producing lubricants, adsorbents, and catalysts. The distinctive features of the mechanisms leading to the formation of carbon onion structures with different nitrogen carbon contents are discussed. High-nitrogen carbon is formed from pyridine molecules via their polymerization and polycondensation in the reaction flow and is transported with this flow into low-temperature zone of the reaction space. Onion structures of large size with low nitrogen content (<3.0%) are formed and localized in the high-temperature zone of the reactor together with nanotubes and fibers. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Applied Chemistry Springer Journals

Preparation of onion-like carbon with high nitrogen content (∼15%) from pyridine

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Publisher
Springer Journals
Copyright
Copyright © 2013 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/S1070427213100054
Publisher site
See Article on Publisher Site

Abstract

A new procedure of pyridine pyrolysis is suggested. It allows preparation of onion-like carbon with high nitrogen content (∼15%) as a promising material for producing lubricants, adsorbents, and catalysts. The distinctive features of the mechanisms leading to the formation of carbon onion structures with different nitrogen carbon contents are discussed. High-nitrogen carbon is formed from pyridine molecules via their polymerization and polycondensation in the reaction flow and is transported with this flow into low-temperature zone of the reaction space. Onion structures of large size with low nitrogen content (<3.0%) are formed and localized in the high-temperature zone of the reactor together with nanotubes and fibers.

Journal

Russian Journal of Applied ChemistrySpringer Journals

Published: Dec 28, 2013

References

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