BAUXITE CONCENTRATION PROCESS Russian patent published in 1999 - IPC

Abstract RU 2136378 C1

FIELD: mining industry. SUBSTANCE: process is designed to be used in production of alumina for corundum refractory materials, ceramics, and abrasives and consists in grinding preliminarily calcined bauxite, adding specified amounts of carbon to form silicon monoxide and iron carbide, briquetting resulting mix under pressing, baking briquettes at 1200-1300 c under vacuum, and performing magnetic operation. EFFECT: reduced usage of raw materials and simplified process. 4 ex

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RU 2 136 378 C1

Authors

Goldin B.A.

Grass V.Eh.

Rjabkov Ju.I.

Dates

1999-09-10—Published

1997-12-02—Filed