METHOD FOR MANUFACTURE OF PRODUCTS OF CONSTRUCTION, TECHNICAL AND HOUSEHOLD CERAMICS Russian patent published in 2009 - IPC C04B33/132 

FIELD: construction.

SUBSTANCE: invention is related to the field of silicates technology and may be used in production of construction, technical and household ceramics. Method for manufacture of products of construction, technical and household ceramics includes mixing of components, grinding, moulding, drying, annealing. At the stage of mixing of components that include fire-resistant clay, kaolin, quartz sand, ceramic paste, nepheline-syenite, bentonite, soda ash, liquid glass, 0.5-5.0% of sludge from neutralisation of sewage waters of sulfuric acid production, which has been previously dried at 100-200°C to humidity of 0.5-5.0 %.

EFFECT: increased strength of ceramic products.

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