NASA NTRS · 19840008187
Supercritical multicomponent solvent coal extraction
Abstract
The yield of organic extract from the supercritical extraction of coal with larger diameter organic solvents such as toluene is increased by use of a minor amount of from 0.1 to 10% by weight of a second solvent such as methanol having a molecular diameter significantly smaller than the average pore diameter of the coal.
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Corcoran, W. H., Fong, W. S., Pichaichanarong, P., Chan, P. C. F., Lawson, D. D.. 1983-06-14. Supercritical multicomponent solvent coal extraction. https://ntrs.nasa.gov/citations/19840008187
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