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  1. No Access

    Article

    Problems of chemical dressing and bacterization of soybean seeds in the amur oblast

    It is shown that preparations containing thiram inhibit reproduction of fast-growing strains of bacteria and lead to the death of slow-growing ones. Pesticides Cruiser, Chinufur, Maxim, and Fundazol have a wea...

    V. A. Til’ba, N. V. Mashchenko, S. A. Begun in Russian Agricultural Sciences (2011)

  2. No Access

    Article

    Dehydrocyclodimerization of n-Butane into Aromatic Hydrocarbons in the Gas-Phase and under Supercritical Conditions on a ZSM-5 Zeolite in the H-Form and Modified with Ga or Pt

    A comparative study of n-butane conversion into aromatic hydrocarbons on a ZSM-5 zeolite in the H-form and modified with gallium or platinum at 530°C in the gas phase (at 1 atm) or under supercritical conditions ...

    A. E. Koklin, A. N. Kalenchuk, N. V. Mashchenko… in Russian Journal of Physical Chemistry B (2020)

  3. No Access

    Article

    Self-Condensation of Acetone of Strontium Stannate under Supercritical Conditions

    Aldol condensation of acetone on strontium stannate is studied at a temperature of 250–400°C and a pressure of 2.5 and 12.5 MPa. The main reaction products are mesityl oxide and isophorone. It is shown that th...

    G. A. Veshchitsky, A. V. Smirnov… in Russian Journal of Physical Chemistry B (2021)

  4. No Access

    Article

    Formation of the CaSnO3 crystalline phase during catalytic aldol condensation of acetone under supercritical conditions

    The aldol condensation of acetone was carried out under the conditions of the supercritical state of the reagent (350 °C, 8 MPa; 400 °C, 12 MPa) on catalysts prepared by the thermal treatment of CaSn(OH)6 at 450 ...

    T. V. Bogdan, A. E. Koklin, I. V. Mishin, N. V. Mashchenko… in Russian Chemical Bulletin (2022)

  5. No Access

    Article

    Structure and Catalytic Properties of Magnesium Stannate in the Acetone Condensation Reaction

    The MgSnO3-450 and MgSnO3-750 catalysts of different morphologies, synthesized by calcining magnesium hydroxystannate MgSn(OH)6 at 450 and 750°C, respectively, are studied in the aldol condensation of acetone und...

    T. V. Bogdan, A. E. Koklin, N. V. Mashchenko… in Russian Journal of Physical Chemistry A (2022)

  6. No Access

    Article

    Utilization of Acetone, By-Product of Cumene Process for Phenol Production, via BaSnO3-Catalyzed Aldol Condensation

    The aldol condensation of acetone under supercritical conditions at 300–400°C and 11.0 MPa was carried out on BaSnO3-450 and BaSnO3-750 catalysts prepared by calcination of BaSn(OH)6 at 450 and 750°C, respectivel...

    T. V. Bogdan, P. A. Krasnikov, A. V. Smirnov, A. E. Koklin… in Doklady Physical Chemistry (2022)

  7. No Access

    Article

    Effect of Fe3+ ions on transformation of hydrolysis lignin in water under sub- and supercritical conditions

    The transformation of hydrolysis lignin in water under sub- and supercritical conditions (320–800 °C, 10.0 MPa) in the presence of iron(iii) ions was studied. At temperatures above 400 °C, two processes are most ...

    N. A. Bobrova, T. V. Bogdan, I. I. Mishanin, A. E. Koklin… in Russian Chemical Bulletin (2023)

  8. No Access

    Article

    Tandem Reactions in Acetone–Isopropanol System on MgSnO3 Catalyst under Supercritical Conditions

    The results of a study of tandem reactions - aldol-crotonic condensation and hydrogenation by the mechanism of hydride transfer in acetone-isopropanol mixtures on a МgSnО3 catalyst at 300–400°C and 12.0 MРa are p...

    A. R. Savarets, T. V. Bogdan, A. E. Koklin… in Russian Journal of Physical Chemistry B (2023)

  9. No Access

    Article

    Calcium and magnesium stannates in catalytic conversion of isopropanol under supercritical conditions

    Conversion of isopropanol under supercritical conditions (400 °C, 11.0 MPa) on calcium and magnesium stannates MSnO3 (M = Ca, Mg) was studied. The main direction of the process is dehydrogenation of isopropanol t...

    T. V. Bogdan, A. R. Savarets, N. V. Mashchenko, A. E. Koklin… in Russian Chemical Bulletin (2024)