FIELD: solid fuels. SUBSTANCE: fuel briquette for use as natural solid fuel substitute in household sphere and in industry contains 10-30% broken vegetable component or peat, 2- 10% neutralizing additive, 30-60% refinery sludge, and the rest waste water treatment sediment. Indicated components are proportioned, stirred, and resulting briquettes dried for 0.5-20 h at 20 to 200 C. EFFECT: reduced expenses and improved environmental condition. 2 cl, 3 ex
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