## Methanol was used as an in-situ hydrogen source, following its decomposition over ZnO-Cr,O,,
Coal liquefaction by hydrogen produced from methanol: 3. Examination of reaction conditions
โ Scribed by Yoshihide Ozaki; Fanor Mondragon; Masataka Makabe; Hironori Itoh; Koji Ouchi
- Publisher
- Elsevier Science
- Year
- 1985
- Tongue
- English
- Weight
- 549 KB
- Volume
- 64
- Category
- Article
- ISSN
- 0016-2361
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โฆ Synopsis
Coals were liquefied in a 50 ml autoclave using hydrogen produced from methanol with decomposition and hydrogenation catalysts under various conditions. The conversion increased with increasing reaction temperature and time. This reaction is more suitable for the liquefaction of lower-rank coals. The hydrogen pressure had little effect on the conversion in the range of the ratio of methanol to coal of > 2 g/g. The use of a solvent is very effective in increasing the liquefaction, especially at short times.
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Several purecompounds were treated in a flow type reactor with methanol under normal pressure of nitrogen at 800-990ยฐC. Benzene derivatives with shorter alkyl chains can be effectively dealkylated to benzene or toluene, but benzene derivatives with long chains tend to cyclize to diphenjl, naphthalen