FIELD: technological processes; metallurgy.
SUBSTANCE: invention may be used for recycling of chemical-recovery production wastes. Coal sludges are loaded in molds 1 of transporter 2 and supplied to furnace 3, where they are thermally treated. Briquetting is done without binding agent, and thermal treatment is carried out at the temperature of 330-390 °C for 120-40 minutes.
EFFECT: reduction of prime cost and increase of briquettes mechanical strength.
1 tbl, 1 dwg
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