Reaction of coal with quinoline during extraction |
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Authors: | Koji Ouchi Akihiko Mikami Hironori Itoh Masataka Makebe |
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Affiliation: | Faculty of Engineering, Hokkaido University, Sapporo 060 Japan |
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Abstract: | Yubari coal vitrite was extracted with quinoline at 420° C for 0–4 h and the products were separated into several fractions. Quinoline solubles (QS) and insolubles (QI) increased with time and the total recovered weight became nearly 200% of the original weight of the coal. A large part of this weight increase was due to the contribution of the formation of biquinoline and to quinoline addition to coal. Depolymerization to smaller molecules and polymerization to QI took place simultaneously via the addition of quinoline and the production of biquinoline. |
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