| 摘要 |
FIELD: construction.SUBSTANCE: composition for manufacturing of fireproof concretes contains, wt %: spent catalyst IM-2201 10-15, crushed carbonate rocks of fraction 5-10 mm 33-40, HPO10-15, dolomite siftings 10-13, sludge formed as a result of aluminium and its alloys etching with concentrated solutions of caustic soda with content, wt %: SiO- 4.5; AlO- 78.5; FeO- 2.9; CaO - 2.5; MgO - 1.1; RO - 4.1; ignition loss - 6.4, 24-30.EFFECT: increased compression strength and heat resistance of fireproof concretes, recycling of industrial wastes.4 tbl |
