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2 368 706

(13)

(51)

IPC

C25C3/34(2006-01-01)

(21) (22)

Application

2007135601/02, 2007-09-25

(24)

Start date

2007-09-25

(22)

Actual filing date

2007-09-25

(45)

Published

2009-09-27

(72)

Inventor

Saltykova Nina Arkhipovna

(73)

Holder

Institut Vysokotemperaturnoj Ehlektrokhimii Ural'Skogo Otdelenija Rossijskoj Akademii Nauk

CLEANING METHOD OF MOLTEN CHLORIDE ELECTROLYTE FOR RECEIVING OF PLATINUM METALS Russian patent published in 2009 - IPC C25C3/34

Abstract RU 2368706 C2

FIELD: metallurgy.

SUBSTANCE: method includes treatment of chloride melt, containing ions of platinum metals, by chlorination for removing of oxygen-containing admixtures. Treatment is implemented at presence of porous carbon-graphitic material at correlation of its area to the volume of melt 0.01-0.6 cm^-1. Process is implemented at temperature 450-680°C during 1-4 hours.

EFFECT: improvement of quality of received coatings from platinum metals ensured by rising of cleanliness of electrolyte.

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RU 2 368 706 C2

Authors

Saltykova Nina Arkhipovna

Dates

2009-09-27—Published

2007-09-25—Filed