METHOD OF MAKING BINDER Russian patent published in 2010 - IPC C04B11/26 C01F11/46 

FIELD: chemistry.

SUBSTANCE: invention relates to industry of construction materials and can be used when making gypsum binder and articles. The method of making binder involves neutralisation of carbonate raw material - sludge wastes of water chemical treatment at a thermal power plant with a sulphuric acid solution to pH=5-7, mechanical activation and subsequent autoclave treatment, where neutralisation and mechanical activation are carried out simultaneously.

EFFECT: reduced power consumption when making binder from dust fractions of carbonate raw material.

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