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(11)

2 629 299

(13)

(51)

IPC

C01B35/04(2006-01-01)

C01G23/00(2006-01-01)

B09B3/00(2006-01-01)

C01G23/02(2006-01-01)

C01B35/06(2006-01-01)

C01G23/07(2006-01-01)

(21) (22)

Application

2014152731, 2013-06-05

(24)

Start date

2013-06-05

(22)

Actual filing date

2013-06-05

(45)

Published

2017-08-28

(72)

Inventor

Uiver, Mark L.Sknitdzhen, Endryu L.Dimiliya A.Felps, Frenki E.Makmillen, Dzhejms K.

(73)

Holder

Alkoa Ink.

RECYCLING TITANIUM DIBORIDE MATERIALS Russian patent published in 2017 - IPC C01B35/04 C01G23/00 B09B3/00 C01G23/02 C01B35/06 C01G23/07

Abstract RU 2629299 C2

FIELD: chemistry.

SUBSTANCE: invention can be used in chemical industry. Method of processing titanium diboride material involves chlorination of titanium diboride material with gaseous chlorine to produce titanium-containing product and boron-containing product. At least one of titanium-containing product and boron-containing product contains at least one impurity. Method includes purification by distillation of titanium-containing product and boron-containing product to a degree sufficient to reduce concentration of at least one impurity. Titanium diboride is obtained by reaction between titanium-containing and boron-containing product. Titanium diboride can be obtained by oxidation of titanium-containing product and boron-containing product to titanium dioxide and boron oxide and subsequent carbothermal reaction between titanium dioxide and boron oxide. Titanium diboride can also be obtained by exposing titanium-containing product and boron-containing product to a gas reducing agent, such as hydrogen.

EFFECT: invention enables to obtain purified titanium diboride from wastes or waste articles containing TiB₂.

16 cl, 8 dwg, 2 ex

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RU 2 629 299 C2

Authors

Uiver, Mark L.

Sknitdzhen, Endryu L.

Dimiliya A.

Felps, Frenki E.

Makmillen, Dzhejms K.

Dates

2017-08-28—Published

2013-06-05—Filed