Temperature dependence of the swelling of coals in pyridine
โ Scribed by Cody, G. D.; Eser, S.; Hatcher, P.; Davis, A.; Sobkowiak, M.; Shenoy, S.; Painter, P. C.
- Book ID
- 127262269
- Publisher
- American Chemical Society
- Year
- 1992
- Tongue
- English
- Weight
- 500 KB
- Volume
- 6
- Category
- Article
- ISSN
- 0887-0624
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๐ SIMILAR VOLUMES
A low-rank coal is examined for swelling in benzene-pyridine and toluene-pyridine mixtures. In each case, swelling is shown to be mainly due to the pyridine, the action of which is specific and not amenable to interpretation by the solubility parameter approach to understanding coal swelling.
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Changes in the macromolecular structure of a lignite and a bituminous coal during rapid pyrolysis in the temperature range 30&1200 K are described. Solvent swelling techniques have clearly demonstrated that crosslinking occurs in lignites at somewhat lower pyrolysis temperatures than it does in bitu