The rheological behaviour of several bituminous coals has been evaluated by means of a constant torque Gieseler plastometer, utilizing both steadily increasing (3Β°C min-') and isothermal (410Β°C) temperature conditions. The results indicated that under either thermal treatment, the coals investigated
Basic magnetic properties of bituminous coal
β Scribed by Corrinne C. Alexander; Arthur N. Thorpe; Frank E. Senftle
- Book ID
- 107755551
- Publisher
- Elsevier Science
- Year
- 1979
- Tongue
- English
- Weight
- 820 KB
- Volume
- 58
- Category
- Article
- ISSN
- 0016-2361
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occurrence of weak autoxidation processes has been observed in the coal seam at a depth from 3 to 5 m. Mierinite whose percentage is relatively high has been formed as a result of high temperature processes that take place in the peat. The higher amount of imerinite macerals predetermines the higher
Bituminous coals produced in the Ostrava-KarvinB coal basin show considerable variation in their maceral composition and rank. In order to explain the significance of the petrographic composition, structure and chemical parameters in coal degradation processes, a large number of coal samples was inv