Coal desulfurization

Fuel and related compositions – Liquid fuels – Aluminum or heavy metal – other than lead – containing

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201 17, C10L 910, C10B 5700

Patent

active

041681487

ABSTRACT:
The sulfur content of coal can be significantly reduced by leaching the coal with an aqueous solution of sodium sulfite.

REFERENCES:
patent: 3472622 (1969-10-01), Ridley
patent: 4018572 (1977-04-01), Swanson
patent: 4071328 (1978-01-01), Sinke

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