METHOD OF METALLURGICAL INDUSTRY GREASY WASTES SEPARATION Russian patent published in 1995 - IPC

Abstract RU 2028174 C1

FIELD: metallurgy. SUBSTANCE: organic solvent is added in wastes before separation of water. Solvent forms with water azeotropic mixture with boiling temperature below 100 C and ratio of solvent to wastes as 0.5 : 1.0 - 1.5 : 1.0. Toluene or tetrachloride of carbon or trichloroethylene are used as organic solvent. Method provides improvement of quality of target-oriented products and increase of oil extraction degree. Amount of oil in scale is decreased to 0.1 - 0.5 % and degree of oil extraction achieves 97 - 99 %. EFFECT: method is used in metallurgy. 2 cl, 2 tbl

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RU 2 028 174 C1

Authors

Bereznikov A.V.

Vikhorev A.A.

Martynova A.N.

Dates

1995-02-09—Published

1991-05-06—Filed