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2 213 057

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IPC

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Application

2001121408/12, 2001-07-30

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Start date

2001-07-30

(22)

Actual filing date

2001-07-30

(45)

Published

2003-09-27

(72)

Inventor

Semin V.D.Kirko V.I.Semina Z.F.Dashkevich R.Ja.Akhmetov I.U.Anikeev V.I.

(73)

Holder

Nauchno-Issledovatel'Skij Fiziko-Tekhnicheskij Institut Krasnojarskogo Gosudarstvennogo Universiteta

METHOD FOR PROCESSING LOW-QUALITY ALKALINE ALUMOSILICATE RAW Russian patent published in 2003 - IPC

Abstract RU 2213057 C2

FIELD: inorganic chemistry, chemical technology. SUBSTANCE: invention relates to production of alumina and can be used for processing low-quality alkaline alumosilicate raw by caking method. Method for processing low-quality alkaline alumosilicate raw involves its mixing with disthene sillimanite concentrate taken in the mass ratio = 1:(0.25-1.00), caking with reagent mixture, processing cake for alumina, belite slimes for cement and soda-potash mother liquors for soda and potash. In caking reagent mass consisting of lime and pirssonite is used that is prepared from belite slimes and soda-potash mother liquors by extra-furnace synthesis. Invention provides reduction of specific yield of dump belite, specific consumption of lime, reduction of crust-formation in low- temperature zone of furnaces and energy consumption. EFFECT: improved processing method. 4 dwg, 2 tbl

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RU 2 213 057 C2

Authors

Semin V.D.

Kirko V.I.

Semina Z.F.

Dashkevich R.Ja.

Akhmetov I.U.

Anikeev V.I.

Dates

2003-09-27—Published

2001-07-30—Filed