FIELD: chemistry.
SUBSTANCE: invention relates to industry of construction materials and can be used in production of Portland cement with application of mineral additives. Mixture of Portland cement with mineral additive includes Portland cement and mineral additive wollastonite with particle size less than 40 mcm. As mineral additive used is natural wollastonite with content, wt %: SiO2 47.00-50.00; CaO 44.00-47.00, mechanically activated in activation zone of electric mass classifier, with the following component ratio, wt %: Portland cement 85-95%, natural mechanically activated wollastonite - 10-15%.
EFFECT: invention makes it possible to increase compression strength, cement quality and save fuel and energy resources.
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| Title | Year | Author | Number |
|---|---|---|---|
| METHOD OF PRODUCING PORTLAND CEMENT WITH MINERAL ADDITIVE | 2010 |
|
RU2440939C1 |
| REPAIR-WATERPROOFING COMPOSITION AND ADDITIVE IN FORM OF WOLLASTONITE COMPLEX FOR REPAIR-WATERPROOFING COMPOSITION, MORTAR, CONCRETE AND ARTICLES BASED THEREON | 2011 |
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| METHOD FOR MAKING LARGE-SIZE CEMENT-FIBER PLATES | 2003 |
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| FINE-GRAINED CONCRETE MIXTURE | 2017 |
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| PORTLAND CEMENT WITH MINERAL ADDITIVES | 2021 |
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| COMPOSITIONS CONTAINING FURNACE DUST AND WOLLASTONITE AND METHODS FOR USING THEREOF IN UNDERGROUND FORMATIONS | 2014 |
|
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| METHOD FOR CLARIFICATION OF PLANT OIL | 2010 |
|
RU2424281C1 |
