| 摘要 |
<p>FIELD: mixtures for production of white portland cement clinker. SUBSTANCE: raw material mixture for burning white clinker contains lime and aluminosilicate components, waste molding sand of foundry and lignin at the following ratio of components, mass-%: aluminosilicate component, 3.0-5.5; waste molding sand of foundry, 3.0-6.0; lignin, 20.0-35.0 and lime component being the remainder. EFFECT: reduced temperature of reactions; reduced power requirements. 2 tbl, 1 ex</p> |
