FIELD: process engineering.
SUBSTANCE: proposed method comprises coal crushing and damping. Crushed and damped coal is heated to sulfur melting point to deposit sulfur on steel electrodes arranged in coal and receiving direct current. Voltage effect on damped coal in air-water medium at sulfur melting point (119.4°C) time sufficient for sulfur that features polar electronegativity to get transferred onto anode steel electrode.
EFFECT: simplified process, high degree of extraction of sulfur and sulfur-containing compounds.
6 cl, 2 ex
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