Method for producing alumina

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United States of America Patent

PATENT NO 9322080
APP PUB NO 20150203936A1
SERIAL NO

14417724

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Abstract

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The invention relates to acid methods for producing alumina for use in processing low-grade aluminum-containing raw materials. The method provides treating aluminum-containing raw materials with hydrochloric acid, crystallizing aluminum chloride hexahydrate by evaporating the supernatant chloride solution, and thermally decomposing the aluminum chloride hexahydrate to form aluminum. Crystallization is carried out with the addition of calcium chloride.

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Patent Owner(s)

Patent OwnerAddress
UNITED COMPANY RUSAL ENGINEERING AND TECHNOLOGY CENTRE LLCUL POGRANICHNIKOV 37 STR 1 G KRASNOYARSK 66011

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Damaskin, Aleksandr Aleksandrovich Murino, RU 2 0
Panov, Andrey Vladimirovich St. Petersburg, RU 5 4
Senyuta, Aleksandr Sergeevich St. Petersburg, RU 6 4
Suss, Aleksandr Gennad'evich St. Petersburg, RU 1 0

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