Effects of the properties and composition of coal blends on coke mechanical properties
✍ Scribed by Miroslav Košina
- Publisher
- Elsevier Science
- Year
- 1988
- Tongue
- English
- Weight
- 574 KB
- Volume
- 67
- Category
- Article
- ISSN
- 0016-2361
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✦ Synopsis
Previous publications indicate that the mechanical properties of metallurgical coke made from coal pr~odt1c4 in the Ostrava-KarvinB coal basin are significantly influenced by the coal mass properties-atomic ratio (H/O,,), vitrinite reflectance (% Rev) and inertinite content (y,; I). In the range of lower rank (0.W 1.3 ',, iiov), the size of the H/O,, parameter, closely associated with fluidity, is of principal importance L.ahorator! .
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Bituminous coals produced in the Ostrava-Karvina coal basin show considerable variation in their maceral composition, vitrinite reflectance and fluidity. There is a close association of the latter with the H/O atomic ratio expressing the different chemico-structural properties of vitrinites of lower
at room temperature. The mixture was added to water (500 ml) and the precipitated derivatives filtered. The acetylated sample was freeze-dried with benzene. The increase in solubility of the coal-derived liquids in benzene and chloroform owing to silylation and acetylation are shown in Tables 1 an
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