Skip to main content

15 Result(s)

within N. P. Kotsupalo Remove this filter

and

  1. No Access

    Article

    Rational Use of Multicomponent Brines Extracted Together with Oil

    The expediency of using multicomponent brines extracted together with oil (gas) as the raw material for obtaining lithium products and products required for oil fields has been shown. After the lithium concent...

    A. D. Ryabtsev, N. P. Kotsupalo… in Theoretical Foundations of Chemical Engine… (2020)

  2. No Access

    Article

    Preparing High-Purity Lithium Hydroxide Monohydrate by the Electrochemical Conversion of Highly Soluble Lithium Salts

    A series of studies on the preparation and reproduction of a solution of lithium sulfate obtained from technical salts Li2CO3 and Li2SO4 ⋅ H2O has been performed for the electrochemical conversion of lithium sulf...

    N. M. Nemkov, A. D. Ryabtsev… in Theoretical Foundations of Chemical Engine… (2020)

  3. No Access

    Article

    Theoretical Foundations of Technology for the Production of Lithium Carbonate by the Ammonia Method

    Theoretical foundations of technology for producing lithium carbonate of battery quality by the ammonia method have been developed. This technology is based on the precipitation of lithium carbonate from an aq...

    A. D. Ryabtsev, N. P. Kotsupalo… in Theoretical Foundations of Chemical Engine… (2019)

  4. No Access

    Article

    Production of Lithium Hydroxide Monohydrate from Natural Brine

    For the first time it is proposed to produce lithium hydroxide monohydrate as a primary derivative product from hydromineral raw materials. This technology is based on the primary lithium concentrate obtained ...

    A. D. Ryabtsev, N. M. Nemkov… in Theoretical Foundations of Chemical Engine… (2019)

  5. No Access

    Article

    Prospective of complex processing of lithium-bearing raw brines of sodium chloride and mixed types

    Lithium-enrichment technology developed for brines of chloride Ca–Mg-type was adapted with respect to brines of sodium chloride and Ca–Mg–Na types. Prospects for the complex processing of the aforementioned ty...

    A. D. Ryabtsev, N. P. Kotsupalo… in Theoretical Foundations of Chemical Engine… (2015)

  6. No Access

    Article

    Effect of structure on the sorption properties of chlorine-containing form of double aluminum lithium hydroxide

    The effect exerted by composition and specific structural properties of commercial batches of granular sorbent based on chlorine-containing form of double aluminum lithium hydroxide on its sorption properties ...

    N. P. Kotsupalo, A. D. Ryabtsev, I. A. Poroshina… in Russian Journal of Applied Chemistry (2013)

  7. No Access

    Article

    Magnesia binders from natural highly mineralized multicomponent brines

    The economic efficiency of obtaining magnesium-containing products (magnesium oxide and magnesium chloride) from multicomponent brines of calcium chloride, magnesium chloride, and mixed types is shown. Based o...

    N. P. Kotsupalo, A. D. Ryabtsev… in Theoretical Foundations of Chemical Engine… (2010)

  8. No Access

    Article

    Mechanical activation of α-spodumene for further processing into lithium compounds

    The mechanical activation of α-spodumene in centrifugal planetary apparatuses changed the structure of the mineral and caused the cleavage of the Me-O (Me-Li, Al) bonds. Further treatment with acids and alkali...

    N. P. Kotsupalo, L. T. Menzheres… in Theoretical Foundations of Chemical Engine… (2010)

  9. No Access

    Article

    Prospects for the use of lithium-bearing minerals

    The results of many-year studies on the development of processing technology for crude spodumene ore have been generalized, and as a final product a double hydroxide of aluminum and lithium has been obtained. ...

    N. P. Kotsupalo, V. P. Isupov… in Theoretical Foundations of Chemical Engine… (2009)

  10. No Access

    Article

    Preparation of High-Purity Lithium Hydroxide Monohydrate from Technical-Grade Lithium Carbonate by Membrane Electrolysis

    A scheme for preparing high-purity lithium hydroxide monohydrate from technical-grade lithium carbonate is suggested.

    A. D. Ryabtsev, N. M. Nemkov, N. P. Kotsupalo… in Russian Journal of Applied Chemistry (2004)

  11. No Access

    Article

    Technology for Joint Production of Bromine and Lithium Bromide from Brines from Siberian Platform

    Two methods for obtaining bromine and lithium bromide from highly mineralized brines enriched with lithium- and bromine-containing compounds, with Li : Br atomic ratio of 0.4-0.8, were studied. These methods a...

    A. D. Ryabtsev, N. P. Kotsupalo, L. A. Serikova… in Russian Journal of Applied Chemistry (2003)

  12. No Access

    Article

    Highly Mineralized Brines as a Promising Resourse of Bromine and Bromine Products

    The technologies are selected and compared for the production of bromine and its compounds from the brines of the Znamensk deposit of the Irkutsk Region.

    A. D. Ryabtsev, A. G. Vakhromeev, N. P. Kotsupalo in Journal of Mining Science (2003)

  13. No Access

    Article

    Solid-State Interaction of Aluminium Hydroxide with Lithium Salts

    The solid-state synthesis of [LiAl2(OH)6]Cl · mH2O at room and elevated temperatures from powdered solid reagents, lithium chloride and gibbsite, is described. The synthesis is performed with the help of differen...

    L. T. Menzheres, N. P. Kotsupalo… in Journal of Materials Synthesis and Process… (1999)

  14. No Access

    Article

    Crystallochemical features of the anion varieties of aluminum and lithium binary hydroxide

    Crystallochemical features of anion (Cl−, Br−, I−, NO 3 − , CO 3 2− , SO 4 ...

    I. A. Poroshina, N. P. Kotsupalo, L. T. Menzheres… in Journal of Structural Chemistry (1994)

  15. No Access

    Article

    Crystallographic model of double aluminum lithium hydroxide using structural crystal optics data

    I. A. Poroshina, N. P. Kotsupalo in Journal of Structural Chemistry (1990)