Výsledky vyhledávání - "O. I. Tsybin"

Electrochemical Processing of a Heavy W–Ni–Fe Alloy by Direct and Alternating Currents in Ammonia–Alkali Solutions

Autor: Mikhail A. Sevostyanov, O. I. Tsybin, A. M. Levin, O. G. Kuznetsova, A. O. Bol’shikh

Publikováno v: Russian Metallurgy (Metally). 2021:586-593

The electrochemical behavior of a heavy tungsten alloy W–Ni–Fe ((wt %): 78.8 W, 15.2 Ni, 6.0 Fe) in solutions of sodium hydroxide (2–6 M) and ammonium hydroxide (0–6 M) is studied by linear voltammetry in the potentiodynamic mode, galvanostat

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::819b246817bf8b04ea4a3aa63ab668b0
https://doi.org/10.1134/s0036029521050104

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Electrical Conductivity of Ammonium Heptamolybdate Solutions and the Calculation of Its Activation Energy

Autor: O. G. Kuznetsova, O. I. Tsybin, Mikhail A. Sevostyanov, A. M. Levin, A. O. Bol’shikh

Publikováno v: Russian Metallurgy (Metally). 2021:320-325

The electrical conductivity (EC) of ammonium heptamolybdate solutions in the concentration range 0.01–0.6 mol/L (based on Mo(IV)) is studied as a function of the reagent content in the solution and its temperature. The EC of the solution is shown t

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::6e0350c42c986d3b2c3ceb72b2b51769
https://doi.org/10.1134/s0036029521030095

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Substantiation of the Possibility to Organize a Complex Two-Stage Sulfuric Acid Leaching Technology for Pyrrhotine Middlings

Autor: M. A. Bol’shikh, O. I. Tsybin, A. O. Bol’shikh, O. G. Kuznetsova, A. M. Levin

Publikováno v: Russian Metallurgy (Metally). 2021:1-6

A two-stage technological scheme is proposed for the processing of pyrrhotine middlings and poor copper–nickel raw materials. The hydrolytic cleaning of cycling leaching solutions from iron is separated as a particular procedure. The laboratory stu

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::898d4e2a254c2364fd14f182204d7650
https://doi.org/10.1134/s0036029521010031

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Electrical Conductivity of Tungsten-Containing Ammonia Solutions and Calculation of Its Activation Energy

Autor: A. O. Bol’shikh, Mikhail A. Sevostyanov, A. M. Levin, O. I. Tsybin, O. G. Kuznetsova

Publikováno v: Russian Metallurgy (Metally). 2020:1343-1348

—The activation energy of the electrical conductivity of ammonium hydroxide–tungstate ion solutions is determined in the NH4OH concentration ranges 0.01–6 and 0.01–0.2 mol/L (based on the metal). For all solutions, the activation energy decre

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::fc7675a862bc68e7f35f299c600d7921
https://doi.org/10.1134/s0036029520110099

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Leaching of Rapidly Cooled Copper–Nickel Converter Mattes

Autor: O. I. Tsybin, M. A. Bol’shikh, O. G. Kuznetsova, A. O. Bol’shikh, A. M. Levin

Publikováno v: Russian Metallurgy (Metally). 2020:1331-1334

—Physicochemical studies aimed at increasing the technological efficiency of the hydrometallurgical sulfuric acid processing of copper–nickel converter mattes are presented. The influence of preliminary quenching on sulfuric acid leaching at a su

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d2c8b6197a999376c8227b75eeb9a0d5
https://doi.org/10.1134/s0036029520110051

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Substantiation of a Combined Technology for the Hydrometallurgical Beneficiation of a Pyrrhotine-Containing Charge Based on Pressure Oxidation Leaching Using Ferric Sulfate as a Pyrrhotine Oxidizer

Autor: V. A. Bryukvin, I. N. Khramtsova, O. I. Tsybin, Konstantin Solntsev, M. I. Mantsevich, N. V. Serova, M. N. Naftal, L. V. Antonenko, M. S. Antonenko

Publikováno v: Russian Metallurgy (Metally). 2020:942-954

Two series of comparative experiments are carried out to select the most effective version of pressure oxidation technology (POT) for processing a pyrrhotine-containing charge (PCC) consisting of a mixture of ELNPP TCP and NPC NCP (enriched low-nicke

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1503e1ca8712f440534ab314a019f01b
https://doi.org/10.1134/s003602952009013x

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Combined Flotation Hydrometallurgical Technology for the Beneficiation and Processing of Disseminated Copper–Nickel Ores

Autor: A. O. Bol’shikh, V. A. Bryukvin, G. A. Lapshina, M. N. Naftal, O. I. Tsybin

Publikováno v: Russian Metallurgy (Metally). 2020:955-958

The possibilities of extracting valuable components and producing selective good-quality concentrates from hard-to-beneficiate crude ores are considered for the disseminated copper–nickel ores from the Norilsk district. The stated aim is achieved b

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::386af23f450afe6a97b27c6fcc8e56d4
https://doi.org/10.1134/s0036029520090074

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Electrical Conductivity of Tungsten-Containing Ammonium Hydroxide Solutions

Autor: O. G. Kuznetsova, A. O. Bol’shikh, A. M. Levin, Mikhail A. Sevostyanov, O. I. Tsybin

Publikováno v: Russian Metallurgy (Metally). 2020:971-975

The electrical conductivity of ammonium hydroxide–tungstate ion solutions is studied in the concentration range 0.01–6 M NH4OH and 0.01–0.2 M W (based on metal) as a function of the reagent content in a solution and its temperature. The electri

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::2cc6e28a860454c1d44d630d80fc269e
https://doi.org/10.1134/s0036029520090062

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Substantiation of the Possibility of Hydrometallurgical Processing of a Copper–Nickel Converter Matte

Autor: O. I. Tsybin, M. A. Bol’shikh, A. M. Levin, A. O. Bol’shikh, O. G. Kuznetsova

Publikováno v: Russian Metallurgy (Metally). 2020:718-722

The hydrometallurgical processing of industrial converter mattes with the copper-to-nickel concentration ratios (Ni : Cu) of 2 : 1 and 3 : 4 is studied in order to demonstrate the advantages of hydrometallurgical processing methods, which can improve

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e532c67674aea0d0aacf629fcc849002
https://doi.org/10.1134/s0036029520070034

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