Taiheiyo coal (C: 76-g%), Oyubari coal (C: 85.6%) of Hokkaido, Japan and asphaltenes prepared from these coals were hydrogenated, and the mechanism of high-pressure hydrogenolysis is discussed for Hokkaido coals of different ranks. Although each Hokkaido coal has a different rate constant because of
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Mechanism of high-pressure hydrogenolysis of Hokkaido coals (Japan). 2. Chemical structure of products
โ Scribed by Ryoichi Yoshida; Yousuke Maekawa; Tadao Ishii; Gen Takeya
- Publisher
- Elsevier Science
- Year
- 1976
- Tongue
- English
- Weight
- 510 KB
- Volume
- 55
- Category
- Article
- ISSN
- 0016-2361
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The hydrogenolysis reaction of coal using red-mud and sulphur as catalyst has been carried out at 400 and 45O"C, 10 MPa or 3 MPa of hydrogen, and 3 MPa of hydrogen plus 7 MPa of nitrogen. The mean chemical structures of the asphaltenes and oils produced show that at first the portion with relatively