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- W4366294505 abstract "This article presents the results of studies on the possibility of using an alternative type of reducing agent used in the sintering branch instead of a reducing mixture of Kuznetsk anthracite and Shubarkol coke. The given comparative characteristics of the reducing mixture currently used at Aluminum of Kazakhstan JSC and the proposed alternative – petroleum coke, show the possibility of the latter in its application: petroleum coke, in comparison with the used reducing agents, is characterized by a low level of ash content (0.2 % vs. 15.8 %) and reduced working physical moisture (5.0 % vs. 11.2 %), as well as high lower calorific value (7900 kcal/kg vs. 5863 kcal/kg) and high carbon content (88.0 % vs. 75.1 %). Two compositions of the slurry charge were prepared for the experiments using the compared reducing agents: a mixture of Kuznetsk anthracite and Shubarkol coke, as well as petroleum coke. During the experiment, a decrease in the specific consumption of the proposed reducing agent per unit of sinter by 7.4 % was revealed due to the reduced moisture content in the tested petroleum coke in comparison with the reduction mixture used. There is also an increase in the content of Al2O3 to 88.9 % and Na2O to 96.1 %. Keywords: aluminum production, reducing agent, sintering branch, aluminate solution, alumina, red sludge." @default.
- W4366294505 created "2023-04-20" @default.
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- W4366294505 date "2023-03-30" @default.
- W4366294505 modified "2023-10-14" @default.
- W4366294505 title "THE USAGE OF PETROLEUM COKE AS A REDUCING AGENT IN THE SINTERING BRANCH IN THE PRODUCTION OF ALUMINA" @default.
- W4366294505 doi "https://doi.org/10.48081/qvnl7512" @default.
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