FIELD: building materials industry, more particularly raw mix compositions for preparation of cement clinker. SUBSTANCE: raw mix comprises (wt %) (by dry matter): alumo-iron silicate component; 20-90 sewage calcium hydroxide based slurry resulting from chemical production; and the limestone balance. Activity of cement after 28 days is 60.0 MPa; water requirement for cement is 21 %. EFFECT: improved properties of the raw mix. 1 tbl
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Authors
Dates
1997-10-10—Published
1992-12-15—Filed