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2 016 108

(13)

C1

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IPC

(21) (22)

Application

4860189/02, 1990-05-22

(22)

Actual filing date

1990-05-22

(45)

Published

1994-07-15

(72)

Inventor

Kharitonov Ju.A.Smirnov L.A.Gubajdullin I.N.Shashin A.K.

(73)

Holder

Aktsionernoe Obshchestvo Predprijatie Nauchno-Issledovatel'Skij Institut Chernykh Metallov"

METHOD OF VANADIUM SLAG REPROCESSING Russian patent published in 1994 - IPC

Abstract RU 2016108 C1

FIELD: metallurgy. SUBSTANCE: preliminary oxidizing roasting without soda addition is carried out for 2-3 h at 520-720 C following by cooling up to 500-510 C and roasting with 4-5% soda for 2-3 h at 580-620 C. EFFECT: improved method of reprocessing. 3 tbl

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RU 2 016 108 C1

Authors

Kharitonov Ju.A.

Smirnov L.A.

Gubajdullin I.N.

Shashin A.K.

Dates

1994-07-15—Published

1990-05-22—Filed

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