Reduction of sodium in coal by water wash and ion exchange with

Details Reduction of sodium in coal by water wash and ion exchange with Reduction of sodium in coal by water wash and ion exchange with

1987-03-06

1987-11-10

Dees, Carl F.

Fuel and related compositions

Liquid fuels

Aluminum or heavy metal, other than lead, containing

423461, C10L 902

Patent

active

047055308

ABSTRACT:
Coal can be freed of ion-exchangeable sodium by contacting it with aqueous solutions of CO.sub.2 or formic or acetic acids at a mine mouth or contacting it with aqueous CO.sub.2 while transporting it in a pipeline.

REFERENCES:
patent: 618104 (1899-01-01), Kenevel
patent: 3454363 (1969-07-01), Rieve
patent: 3993456 (1976-11-01), Cole et al.
patent: 3998604 (1976-12-01), Hinkley
patent: 4400176 (1983-08-01), Kutta
patent: 4522628 (1985-06-01), Javins

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