1Nimchik Alexey Grigoryevich,2 Zulayho Raimovna Kadyrova,3 Khikmatulla Lutpullayevich Usmanov
1Candidate of chemical sciences, Institute of General and inorganic chemistry, Academy of Sciences of the Republic of Uzbekistan
2Doctor of chemical sciences, professor, Institute of general and inorganic Chemistry of Academy of Sciences of the Republic of Uzbekistan
3Candidate of technical sciences, Institute of general and inorganic chemistry of Academy of Sciences of the Republic of Uzbekistan
DOI : https://doi.org/10.47191/ijmra/v4-i11-34Google Scholar Download Pdf
ABSTRACT:
The possibility of using a soda-sulfate mixture - an alkaline waste from the production of caprolactam, as a mineralizing additive in a Portland cement raw mixture containing, as a silica-containing component, flotation tailings of the lead-concentrating plant of Almalyk MMC, has been studied. The effect of this additive on the processes of mineral formation during the synthesis of Portland cement clinker is shown. The possibility of additional recovery of residual non-ferrous metals - lead and copper - by sublimation and trapping of their chlorides has been established.
Keywordssoda-sulfate mixture, flotation waste, clinker formation, nonferrous metals, additional recovery, firing temperature.
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VOLUME 04 ISSUE 11 NOVEMBER 2021
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