Structural features of low-rank coals
โ Scribed by Harold H. Schobert
- Publisher
- Elsevier Science
- Year
- 1990
- Tongue
- English
- Weight
- 801 KB
- Volume
- 3
- Category
- Article
- ISSN
- 0921-3449
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๐ SIMILAR VOLUMES
The characterization of the surface properties of coals is becoming increasingly important in the understanding of many utilization processes. While there are numerous publications on the surface characteristics of high rank coals, the lignites have received scant attention. It is the purpose of th
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