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2 238 796

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C1

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IPC

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Application

2003108494/15, 2003-03-26

(24)

Start date

2003-03-26

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Actual filing date

2003-03-26

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Published

2004-10-27

(72)

Inventor

Mukhin V.V.Shemjakina I.V.Levchenko L.M.Galkin P.S.

(73)

Holder

Otkrytoe Aktsionernoe Obshchestvo Zavod Khimkontsentratov"Institut Neorganicheskoj Khimii Im. A.V. Nikolaeva So Ran

METHOD OF PRODUCTION OF A SORBENT SELECTIVE BY SODIUM AND CALCIUM IONS Russian patent published in 2004 - IPC

Abstract RU 2238796 C1

FIELD: chemical and metallurgical and other industries.

SUBSTANCE: the invention is dealt with a method of (57) Invention falls into to a method of reception of sorbents and may find use in chemical, metallurgical and other industries for fine purification of technological solutions of lithium chloride and chloride lithium-bearing natural saline solutions containing sodium and calcium admixtures. The method ensures production of an inoculated carboniferous sorbent consisting of a porous composite carbon-carbonic material with a argon specific surface adsorption - 300-600 m2 /g, preferably - 440-600 m2/g, the water bulk volume of pores - 0.6-1.0 cm3 /g and particles size - 0.5-1.6 mm, (1.0 - 1.2 mm is more preferable)and preliminary heated at the temperature of 80°С and treated with antimony V)hydrolyzed compounds and dried. The invention allows to produce a sorbent with high capacity and selectivity.

EFFECT: the invention allows to produce a sorbent with high capacity and selectivity.

9cl, 3 ex, 3 tbl

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RU 2 238 796 C1

Authors

Mukhin V.V.

Shemjakina I.V.

Levchenko L.M.

Galkin P.S.

Dates

2004-10-27—Published

2003-03-26—Filed

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