Abstract
IT has been reported1 that conditions of solution such as coal/solvent ratio and successive treatment with solvent have a considerable influence on the yield of extract obtained when coals of low rank are treated with specific solvents2. Further work has shown that these effects, and others since observed, can largely be ascribed to mechanical causes, and they will therefore not be discussed in detail. Four points of interest have, however, come to light.
Similar content being viewed by others
Article PDF
References
Dryden, I. G. C., Nature, 162, 959 (1948); 163, 141 (1949).
[Nature, 166, 561 (1950).]
Brønsted, J. N., C. R. Lab. Carlsberg, Sér. chim., 22, 99 (1938).
Schulz, G. V., Z. phys. Chem., A, 179, 321 (1937).
Gee, G., Ann. Rep. Chem. Soc., 39, 7 (1942).
Bangham, D. H., Franklin, R. E., Hirst, W., and Maggs, F. A. P., Fuel, 28, 231 (1949).
Blayden, H. E., Gibson, J., and Riley, H. L., “The Ultrafine Structure of Coals and Coke”, 176 (Brit. Coal Util. Res. Assoc., 1944).
For example, see: Asbury, R. S., Indust. Eng. Chem., 28, 687 (1936). Kuznetzov, M. I., Khim. Tver. Topl., 6, 515 (1935); Fuel, 16, 114 (1937). Biggs, B. S., J. Amer. Chem. Soc., 58, 484, 1020 (1936).
Author information
Authors and Affiliations
Rights and permissions
About this article
Cite this article
DRYDEN, I. Mode of Action of Specific Solvents for Bituminous Coals. Nature 166, 606 (1950). https://doi.org/10.1038/166606a0
Issue Date:
DOI: https://doi.org/10.1038/166606a0
Comments
By submitting a comment you agree to abide by our Terms and Community Guidelines. If you find something abusive or that does not comply with our terms or guidelines please flag it as inappropriate.