Abstracts 207 plasticity and modification of optical texture de-38. Formation of mesophase during hydrogenation of pended primarily on the fluidity developed by the different rank coals original coals. In addition to coal rank, maceral B. N. Nandi,? J. A. MacPhee,$ and L. A. concentrations and degre
Physico-chemical interactions of coal and pitch during co-carbonization
β Scribed by Pierre Ehrburger; Jacques Lahaye
- Publisher
- Elsevier Science
- Year
- 1984
- Tongue
- English
- Weight
- 478 KB
- Volume
- 63
- Category
- Article
- ISSN
- 0016-2361
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Coals of rank (NCB) 701,401 and 204 were oxidized in air at 371 K for up to 15 days. The changes in optical texture of cokes from these coals were monitored by optical microscopy and point counting. The oxidized coals were cocarbonized to 1273 K with up to 30% of A240 petroleum pitch, a hydrogenated
The extent of development of anisotropic texture in cokes prepared from various coals or blended coals in co-carbonization systems was assessed by using the ratio of hydrogen donor ability to acceptor ability. A parameter D/A, corresponding to the amount of hydrogen transfer during carbonization in