Cation ion exchange of coal

Details Cation ion exchange of coal Cation ion exchange of coal

1982-05-03

1984-08-28

Dees, Carl F.

Fuel and related compositions

Liquid fuels

Aluminum or heavy metal, other than lead, containing

44 6, 423460, C10L 906

Patent

active

044682310

ABSTRACT:
Disclosed is a one-step ion-exchange method for organically bonding alkali and alkaline-earth metals onto coal. The method comprises contacting the coal, at a temperature from about 20.degree. C. to about 100.degree. C. with, (a) an aqueous solution containing cations of one or more metals selected from the group consisting of alkali and alkaline-earth metals, and (b) an oxidizing gas.

REFERENCES:
patent: 2170065 (1939-08-01), Riley
patent: 2693452 (1954-11-01), Goedkoop
patent: 3948791 (1976-04-01), Tominaga et al.
patent: 4039473 (1977-08-01), Schafer
patent: 4054420 (1977-10-01), Longanbach
patent: 4083940 (1978-04-01), Das
patent: 4200439 (1980-04-01), Lang
patent: 4204843 (1980-05-01), Neavel
patent: 4234319 (1980-11-01), Beeson
Pp. 5, 7 and 17 from "Ion Exchange" by Friedrich Helfferich, McGraw-Hill Book Company, Inc., 1962.
Catalysis of the Graphite-Water Vapor Reaction by Alkaline Earth Salts, by D. W. McKee, from Carbon, vol. 17, No. 5-B.

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