METHOD OF UTILIZATION OF ROLLING WASTES Russian patent published in 1998 - IPC

Abstract RU 2106891 C1

FIELD: utilization of rolling wastes containing mixture of greasy scale with water. SUBSTANCE: the offered method includes thermal treatment with heating up to 80-98 C, holding at this temperature for 24-50 h, separation of sediments and their subsequent processing. Prior to thermal treatment, mixture is settled for 50-150 h with subsequent separation of primary sediments. Processing is carried out by mixing with calcium oxide in powdery state with calcium oxide-sediment weight ratio of (0.9-1.3):1 and temperature of settling medium of 80-110 C, and mixture is thermostatically controlled for 12-16 h. EFFECT: higher efficiency. 1 tbl

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RU 2 106 891 C1

Authors

Pimenov V.N.

Mel'Nikov P.V.

Arkhipov N.A.

Kol'Tsov V.P.

Trajno A.I.

Dates

1998-03-20—Published

1996-08-20—Filed