CHARGE FOR CRYSTALLINE SILICON PRODUCING Russian patent published in 1997 - IPC

Abstract RU 2071939 C1

FIELD: inorganic chemistry. SUBSTANCE: charge has the following components, wt. -%: quartzite 47-50; charcoal 2.0-6.5; oil coke 3-5; product of semicoke chemical treatment 9-15, and wood chips 30.0-32.5. Chemical treatment involves the sequential treatment with acid, then with alkali and with acid again. EFFECT: enhanced quality of charge. 2 tbl

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RU 2 071 939 C1

Authors

Tolstoguzov N.V.

Tsirkunova V.A.

Elkin K.S.

Il'In V.N.

Poterjakhin S.A.

Dates

1997-01-20Published

1993-01-06Filed