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Mechanism of high-pressure hydrogenolysis of Hokkaido coals (Japan). 2. Chemical structure of products

โœ 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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๐Ÿ“œ SIMILAR VOLUMES


Mechanism of high-pressure hydrogenolysi
โœ Ryoichi Yoshida; Yousuke Maekawa; Tadao Ishii; Gen Takeya ๐Ÿ“‚ Article ๐Ÿ“… 1976 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 423 KB

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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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