FIELD: chemistry.
SUBSTANCE: invention relates to production of construction materials, namely to production of clinker, cement semi-product. Raw material mixture for obtaining Portland-cement clinker includes carbonate, clayey, iron-containing components and mineraliser. As mineraliser, it contains lime-gypsum waste of vanadium production with the following component ratio, wt %: Clayey component - clay 9.5-11.5; Ferrous component 1.8-2.0; Lime-gypsum waste of vanadium production 0.8-1.0; carbonate component - the remaining part.
EFFECT: improvement of technological characteristics.
2 cl, 1 tbl
Title | Year | Author | Number |
---|---|---|---|
RAW MIX FOR MANUFACTURING PORTLAND CEMENT CLINKER | 2003 |
|
RU2240989C2 |
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SU897733A1 |
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RAW MIX FOR PREPARING PORTLAND CEMENT CLINKER | 1995 |
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Authors
Dates
2009-08-27—Published
2008-02-14—Filed