ALUMINATE SOLUTION DECOMPOSITION METHOD Russian patent published in 2004 - IPC

Abstract RU 2231497 C1

FIELD: inorganic compounds technology.

SUBSTANCE: aluminate solution decomposition method in alumina production process comprises stirring aluminate solution at 45-70^оС in presence of aluminum hydroxide seed and modifying additive followed by separating mother solution from aluminum hydroxide, said modifying additive being lithium carbonate used in amounts 0.10 to 0.30% on the weight of aluminum hydroxide precipitate thus obtained.

EFFECT: enabled preparation of elevated-size aluminum hydroxide.

1 tbl, 6 ex

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RU 2 231 497 C1

Authors

Teslja V.G.

Mil'Rud S.M.

Dates

2004-06-27—Published

2002-11-13—Filed