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Kondrasheva N.K.,National Mineral and Raw Material University Gornyi
Chemistry and Technology of Fuels and Oils | Year: 2013

A comparative analysis has been made of the influence of highly popular synthetic and natural depressing additives on the low-temperature properties of commercial summer diesel oil and its blends with catalytically cracked light gasoil, and also those of the straight-run heavy diesel fraction. The optimal depressing-additive concentration and component composition of the blend of summer diesel oil and catalytically cracked light gasoil at which the pour point of the summer diesel oil can be lowered to the maximum are established. © 2013 Springer Science+Business Media New York. Source


Kondrasheva N.K.,National Mineral and Raw Material University Gornyi
Chemistry and Technology of Fuels and Oils | Year: 2013

The effectiveness of copolymer depressing dopants in straight-run and degraded oil fractions, namely, the 180-350 C straight-run diesel fraction, 275-400 C oil fraction, and the extract of its selective purification, vacuum gasoils, and products of delayed coking and catalytic cracking is investigated. It is shown that marine oils with improved low-temperature properties can be obtained by adding to these fractions copolymer depressing dopants in optimal concentrations. © 2013 Springer Science+Business Media New York. Source


Protosenya A.G.,National Mineral and Raw Material University Gornyi | Karasev M.A.,National Mineral and Raw Material University Gornyi
Soil Mechanics and Foundation Engineering | Year: 2014

Questions concerning numerical modeling of the construction of a deep pit are examined, and parameters of the numerical model of a moderately deeply embedded structure are substantiated using a model of a "hardening" soil in the Abaqus software package. Results of field investigations and those obtained during the numerical modeling are compared and indicate rather good agreement from both the qualitative and quantitative standpoints. © 2014 Springer Science+Business Media New York. Source


Bazhin V.Yu.,National Mineral and Raw Material University Gornyi | Sizyakov V.M.,National Mineral and Raw Material University Gornyi | Vlasov A.A.,National Mineral and Raw Material University Gornyi | Feshchenko R.Yu.,National Mineral and Raw Material University Gornyi
Metallurgist | Year: 2013

The metallurgical industry is faced with the task of improving specific output of final product with high added value. Production of aluminum foil and thin rolled product is not more than 5% of the total output of aluminum within Russia. Within the scope of OK RUSAL there are three foil rolling plants who produce aluminum foil for overseas technology. In processing highly alloyed materials of the 8006 and 3003 series, a problem remains of billet surface quality, reducing output of finished product. © 2013 Springer Science+Business Media New York. Source


Sizyakov V.M.,National Mineral and Raw Material University Gornyi | Bazhin V.Y.,National Mineral and Raw Material University Gornyi | Patrin R.K.,National Mineral and Raw Material University Gornyi | Feshchenko R.Y.,National Mineral and Raw Material University Gornyi | Saitov A.V.,National Mineral and Raw Material University Gornyi
Refractories and Industrial Ceramics | Year: 2013

Reasons are discussed for shutdown for major overhaul of high-amperage (300 kA) electrolyzer OA-300M1 in the test section of the Ural Aluminum Plant. The electrolyzer service life is 1550 days. Results are provided for a study of some electrolyzer lining specimens selected by a layer-by-layer pattern method. © 2013 Springer Science+Business Media New York. Source

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