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Brick and building material mfr. from fly ash - by mixing with bases, acids, salts, etc., shaping and heating
Brick and building material mfr. from fly ash - by mixing with bases, acids, salts, etc., shaping and heating
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机译:砖和建筑材料来自粉煤灰-与碱,酸,盐等混合,定型和加热
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摘要
Bricks, building materials etc. are made by mixing bulking material e.g. fly ash, sand, gravel, chippings, clays etc. with acids and acid-forming oxides, bases and base-forming oxides, hydroxides, salts and double salts chlorates, carbonates, phosphates, silicates, etc.; heating, opt. under press., drying, steaming and heating in a desired shape to form petrified prod. Process allows a prod. such as fly ash to be formed into useful solid or powdered building materials.
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