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2 775 452

(13)

(51)

IPC

C22B34/22(2006-01-01)

C22B7/00(2006-01-01)

C01G31/02(2006-01-01)

C22B1/04(2006-01-01)

C22B3/04(2006-01-01)

(21) (22)

Application

2021139596, 2021-12-29

(24)

Start date

2021-12-29

(22)

Actual filing date

2021-12-29

(45)

Published

2022-07-01

(72)

Inventor

Sadykhov Gusejngulu Bakhlul OglyGoncharov Konstantin VasilevichKashekov Denis Yurevich

(73)

Holder

Federalnoe Gosudarstvennoe Byudzhetnoe Uchrezhdenie Nauki Institut Metallurgii I Materialovedeniya Im. A.A. Bajkova Rossijskoj Akademii Nauk

METHOD FOR EXTRACTING VANADIUM FROM THE ASHES OF THERMAL POWER PLANTS FROM THE COMBUSTION OF FUEL OIL Russian patent published in 2022 - IPC C22B34/22 C22B7/00 C01G31/02 C22B1/04 C22B3/04

Abstract RU 2775452 C1

FIELD: metallurgy.

SUBSTANCE: invention relates to the metallurgy of vanadium, in particular to a method for extracting vanadium from the ashes of thermal power plants (TPP) from the combustion of fuel oil. Oxidative roasting of the mixture is carried out, consisting of TPP ash with the addition of sodium carbonate, taken in an amount of 24-30% by weight of the ash at a temperature of 750-900°C. The subsequent water leaching of the roasting product is carried out at a temperature of 80°C for 60 minutes.

EFFECT: method allows to increase the degree of extraction of vanadium into the solution.

1 cl, 1 tbl, 9 ex

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RU 2 775 452 C1

Authors

Sadykhov Gusejngulu Bakhlul Ogly

Goncharov Konstantin Vasilevich

Kashekov Denis Yurevich

Dates

2022-07-01—Published

2021-12-29—Filed