Восточный научно-исследовательский углехимический институт
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FIELD: coal brequetting process. SUBSTANCE: bituminous cement is heated to 160 to 250 C, heated bituminous binder is foamed by introduction of 1 to 5 mass percent of water, foamed binder is mixed with crushed coal and then the mix is briquetted; heavy petroleum residues are used as binders. EFFECT: facilitated procedure. 3 cl, 1 tbl
SU4368432/26A1987-12-141987-12-14Method of production of coal bricks
SU1828126A1
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