Fuel and related compositions – Liquid fuels – Aluminum or heavy metal – other than lead – containing
Patent
1980-10-01
1982-05-11
Dees, Carl F.
Fuel and related compositions
Liquid fuels
Aluminum or heavy metal, other than lead, containing
201 17, C10L 906, C10L 908
Patent
active
043291562
ABSTRACT:
Peat, lignite, coal, many forms of biomass (land or marine) and solid wastes may have from 1/2 to 30 times as much water associated with the dry solids. Some of this water may be chemically bound or otherwise may be practically inseparable by mechanical means. The solids may be partially oxidized by oxygen or air in the first chemical reactions of a Wet Air Oxidation (WAO) taking place in the presence of the large amount of water at temperatures of 175.degree. C. to 325.degree. C. and pressures of 10 to 100 atmospheres-preferably 240.degree. to 300.degree. C. and 70 to 100 atmospheres. All sulfur in high sulfur coal is oxidized selectively to the sulfate radical; and heat to bring the combustible up to the necessary temperature is supplied by burning part of the combustible itself. The sulfur free coal may be used as conventionally. Residual solids (now 70 to 95% of the original fuel) have a higher heating value on a dry basis, and are mechanically separated from all but 1/2 to 2 pounds of water.
REFERENCES:
patent: 3824084 (1974-07-01), Dillon et al.
patent: 4083940 (1978-04-01), Das
patent: 4099929 (1978-07-01), Tippmer et al.
patent: 4224038 (1980-09-01), Masologites et al.
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