CALCIUM OXIDE MANUFACTURING PROCESS Russian patent published in 2004 - IPC

Abstract RU 2223222 C1

FIELD: inorganic compounds technology. SUBSTANCE: invention is intended for use to prepare rubber vulcanization activators, rubber fillers, and for rubber production. Carbonate stock, in particular lime or coarse green lime formed on firing lime in shaft furnaces, is ground into fraction 15-40 mm, preferably 15-30 mm, whereupon subjected to regrinding and screening to isolate calcium oxide fraction 0.08-1.00 mm. The latter is slaked with 1.0 to 30.0% water. Whiteness of product is 94-96%. EFFECT: simplified process due to conducting it at atmospheric pressure and suppressed loss of fine calcium carbonate fraction with smoke emissions. 1 dwg, 1 tbl

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RU 2 223 222 C1

Authors

Titov V.M.

Voronin A.V.

Shatov A.A.

Sergeev V.N.

Lysenko S.A.

Bajbulatov S.I.

Dates

2004-02-10—Published

2002-05-28—Filed