Technological foundations for solving problem of metallurgy and TPP waste utilization for development of "Green" technology for composite cements production
Mastura IskandarovaInstitute of General and Inorganic Chemistry of Academy of Sciences of the Repuclic of Uzbekistan, Tashkent, UzbekistanGulrux BegjanovaInstitute of General and Inorganic Chemistry of Academy of Sciences of the Repuclic of Uzbekistan, Tashkent, UzbekistanDilshod MukhitdinovInstitute of General and Inorganic Chemistry of Academy of Sciences of the Repuclic of Uzbekistan, Tashkent, UzbekistanZ.B. YakubzhanovaInstitute of General and Inorganic Chemistry of Academy of Sciences of the Repuclic of Uzbekistan, Tashkent, UzbekistanBurxon BotirovInstitute of General and Inorganic Chemistry of Academy of Sciences of the Repuclic of Uzbekistan, Tashkent, Uzbekistan
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Abstract
The chemical-mineralogical compositions and physic-chemical properties of slag waste from the Angren TPP and Uzmetkombinat JSC were determined. A Conclusion was issued on their suitability for use as additives in cement and the possibility of using them for producing new types of hybrid additives for the production of composite Portland cements. With different combinations and ratios of Portland cement clinker, natural gypsum stone, and hybrid additives, the compositions of composite Portland cements were obtained and optimized, and Conclusions were issued on their compliance with the requirements of the Standard of the Republic of Uzbekistan Uz DSt 2830:2014 "Portland cement with composite additives. Specifications".
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