Extraction of depolymerized carbonaceous material using supercri

Details Extraction of depolymerized carbonaceous material using supercri Extraction of depolymerized carbonaceous material using supercri

1984-04-19

1985-09-03

Gantz, D. E.

Mineral oils: processes and products

Phenolic or toxic oils

585240, C10G 100, C10G 106

Patent

active

045390940

ABSTRACT:
Improved extraction and recovery of carbonaceous products are achieved by the aqueous alkali depolymerization of carbonaceous materials, low rank coals, followed by the supercritical extraction with ammonia when the depolymerized material retains a significant aqueous presence.

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NASA Technical Brief, vol. 6, No. 2, Item 41, Environmental Science and Technology, vol. 16, No. 10 (1982).
M. Matida et al., Fuel, vol. 56 (1977).

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