Reduction of sodium in coal by water wash followed by ion exchan

Details Reduction of sodium in coal by water wash followed by ion exchan Reduction of sodium in coal by water wash followed by ion exchan

1985-09-24

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

047055316

ABSTRACT:
A coal or similar carbonaceous fuel is selectively freed of sodium by water washing it and ion exchanging the washed coal with a strong aqueous electrolyte solution which is substantially free of sodium ions and contains a kind and concentration of ions which are correlated with the composition of the coal to cause a selective removal of ion-exchangeable sodium from the coal, with at least a significant proportion of the ion-exchanging being conducted within a pipeline.

REFERENCES:
patent: 3993456 (1976-11-01), Cole et al.
patent: 3998604 (1976-12-01), Hinkley
patent: 4053285 (1977-10-01), Robinson et al.
patent: 4076607 (1978-02-01), Zavitsanos et al.
patent: 4204843 (1980-05-01), Neavel

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