The organic molecules which make up coal are held together not only by covalent bonds, but also by a substantial network of hydrogen bonds as well as certain other weak intermolecular associations, which together are called the secondary structure. It is believed that acidic hydroxyl groups are res
Aryl-alkyl groups in coals
โ Scribed by Norman C. Deno; A.Daniel Jones; Charles C. Koch; Robert D. Minard; Thomas Potter; Robert S. Sherrard; Justin G. Stroh; Richard J. Yevak
- Publisher
- Elsevier Science
- Year
- 1982
- Tongue
- English
- Weight
- 354 KB
- Volume
- 61
- Category
- Article
- ISSN
- 0016-2361
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Ba3Nz/BaBrz and Ba,N2/BaIz were examined. On fusing BaBr2 and Ba metal in a molar ratio of 1 : 3 in the presence of nitrogen, a black lustrous product was obtained, which was identified as a hitherto unknown compound, Ba2NBr. It is
Table 1 Effect of iron on dry hydrogenation of coal Conversion to Conversion to liquid and gas asphaltene Charge (% dmmf coal) (% dmmf coal) Coal 12.7 Not determined Coal+S 22.8 Not determined Coal+Fe 33.2 14.3 Coal+S+Fe 93.0 47.3 ## Short Communications Table 2 Results of variation of iron conce
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