FEEDSTOCK COMPOSITION FOR PRODUCING BRIQUETTED FUEL Russian patent published in 1997 - IPC

FIELD: briquetted fuel for use in household and industry, as well as heat-insulating material. SUBSTANCE: composition comprises wood-processing wastes, manure and petroleum processing wastes, components being taken in following weight ratio, wt.-% wood-processing wastes, 25-65; manure, 30-60; petroleum-processing wastes, 5-15. As petroleum-processing wastes, composition comprises fuel oil, petroleum oil and solid residue resulting from petroleum distillation and having softening temperature at about 90 C. EFFECT: reduced cost of valuable fuel produced from cheap and readily available wastes. 2 cl, 1 tbl