The chemical composition and particle size distribution as well as the physical-mechanical characteristics of fly ash of Krasnokamensk combined heat and power plant (CHPP) were determined. The revealed features provided the development of the technology of fly ash enrichment. The composite building material based on both fly ash of Krasnokamensk CHPP and technical sulfur was developed. Aluminum chloride was proposed to be used as modifier. The basic physical-mechanical properties of sulfur crushed stone were investigated.
The results of the study of ash of Tomsk Power Plant 2 (Toms, Russia) are represented. The grain size composition of ash and distribution of main oxides among fractions have been determined. Physical and mechanical properties and quality indices of ash have been investigated. It has been established that ash of Tomsk Power Plant 2 is referred to a latent active group of cindery waste and can be used as a binding material, in fly ash aggregate productions and in highway engineering
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