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2 240 989

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IPC

(21) (22)

Application

2003113299/03, 2003-05-05

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Start date

2003-05-05

(22)

Actual filing date

2003-05-05

(45)

Published

2004-11-27

(72)

Inventor

Basov V.N.Vdovin V.V.Karpov A.A.Gaak I.R.Gruzinskij I.V.Ketov S.M.Kusajko S.M.Strelkov V.V.

(73)

Holder

Otkrytoe Aktsionernoe Obshchestvo Metallurgicheskij Zavod"

RAW MIX FOR MANUFACTURING PORTLAND CEMENT CLINKER Russian patent published in 2004 - IPC

Abstract RU 2240989 C2

FIELD: manufacture of building materials.

SUBSTANCE: carbonate-based raw mix contains 9.5-11.5% clay component, 1.8-2.0% iron-containing component, and 0.5-0.6% of neutralization sediment of effluent from chemical department of ferroalloy plant. The sediment is composed of, wt%: V₂O₅ 3.58, MnO₂ 10.1, CaO 30, Fe₂O₃ 0.62, MgO 1.03, TiO₂ 0.5, and Al₂O₃ 0.12.

EFFECT: increased degree of decarbonization, reduced consumption, increased productivity of rotary oven, and improved grinding capability of clinker.

2 cl, 1 tbl

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RU 2 240 989 C2

Authors

Basov V.N.

Vdovin V.V.

Karpov A.A.

Gaak I.R.

Gruzinskij I.V.

Ketov S.M.

Kusajko S.M.

Strelkov V.V.

Dates

2004-11-27—Published

2003-05-05—Filed