Vol. 55, No. 5, 2021

Theoretical Foundations of Chemical Engineering

Approximate Analytical Solutions of Biofilm Reactor Problem in Applied Biotechnology

P. Jeyabarathi, M. Kannan and L. Rajendran p. 851 abstract

Analysis of the Processes of Extraction–Chromatographic Separation in a Cascade of Mixing–Settling Extractors

A. E. Kostanyan, N. A. Milevsky and A. A. Voshkin p. 862 abstract

Protonated Nickel Bis-Glycine Chelate: Effective Precursor for Electroless Deposition of Nickel–Phosphorus Alloy

E. G. Vinokurov, S. N. Gridchin, G. M. Mukhametova, V. D. Skopintsev and T. F. Burukhina p. 870 abstract

Purifying Benzene from Thiophene by Extractive Distillation Using Columns with Side Withdrawal in the Vapor Phase

E. A. Anokhina, R. I. Yakutin and A. V. Timoshenko p. 880 abstract

Liquid Holdup and Axial Mixing in a Mixed Bed of Hydrophobic Catalyst and Hydrophilic Packing

A. N. Bukin, V. S. Moseeva, A. V. Ovcharov, S. A. Marunich, Yu. S. Pak and M. B. Rozenkevich p. 888 abstract

Numerical Investigation of Integrated Design on Uniform Fluid Distribution for Radial Flow Adsorber

Y. Li, H. Q. Si, H. B. Wang, X. H. Cheng, P. H. Zhang and H. Y. Jia p. 894 abstract

Mathematical Models of Friction on the Surface of Phase Separation and Heat and Mass Transfer in Film Units of Cooling-Tower Sprinklers with Intensifiers

A. G. Laptev and E. A. Lapteva p. 906 abstract

Resistance of Tangential Swirlers with Rectilinear Channel Walls

A. S. Frolov, N. A. Voinov, A. V. Bogatkova, D. A. Zemtsov and O. P. Zhukova p. 914 abstract

Calculating the Kinetics of Drying a Plate Taking into Account Its Shrinkage

S. P. Rudobashta, O. R. Dornyak and V. M. Dmitriev p. 923 abstract

Thermal and Concentration Expansion in the Synthesis of Barium Titanate in a Once-Through Reactor

A. A. Markov p. 929 abstract

Analyzing the Conditions for the Electrolytic Formation of Ensembles from Metal Nanowires in the Pores of Track Membranes

S. S. Kruglikov, D. L. Zagorskii, V. A. Kolesnikov, I. M. Doludenko and S. A. Bedin p. 942 abstract

Development of Electrode Nanomaterials for Alkaline Water Electrolysis

M. V. Lebedeva, A. P. Antropov, A. V. Ragutkin, N. K. Zaitsev and N. A. Yashtulov p. 952 abstract

Translational Oscillatory Motions of a Porous Spherical Shell with a Solid Impermeable Core in a Viscous Fluid

O. A. Bazarkina and N. G. Taktarov p. 962 abstract

Technology of Inorganic Substances and Materials

Deicing Reagents Based on Sodium Chloride, Calcium Chloride, and Sodium Formate

D. F. Kondakov, E. A. Frolova, O. S. Kudryashova and V. P. Danilov p. 971 abstract

Applying the Extraction–Pyrolysis Method to Modify Functional Materials Based on Metal Oxides

N. I. Steblevskaya, M. A. Medkov and M. V. Belobeletskaya p. 975 abstract

Processing Metallic Bismuth to Produce Citrate

Yu. M. Yukhin and E. S. Koledova p. 979 abstract

Transparent Oxide Films to Protect Food from Light Radiation

T. N. Patrusheva, S. G. Marchenkova, I. V. Krotova and A. I. Khol’kin p. 985 abstract

Phase Equilibria in the Sections of the Ca(NO₃)₂–CO(NH₂)₂–H₂O System and Deicing Properties of Nitrate–Urea Mixtures

V. P. Danilov, E. A. Frolova and D. F. Kondakov p. 990 abstract

Studying the Possibility for Defluorination of Calcium and Rare-Earth Fluorides by Ammonium Sulfate

G. F. Krysenko, D. G. Epov, E. B. Merkulov and M. A. Medkov p. 996 abstract

Using the Extraction–Pyrolysis Method in Synthesis of Bioactive Glass

D. N. Grischenko, E. K. Papynov and M. A. Medkov p. 1002 abstract

Technology of Organic Substances

Spontaneous Precipitation of Caffeine from Supercritical Extracts of Roasted Coffee Beans

D. I. Prokopchuk, M. O. Kostenko and O. I. Pokrovskiy p. 1010 abstract

Aromatization of Low-Molecular-Weight Hydrocarbons on Modified Zeolite Catalysts

B. T. Tuktin, A. M. Temirova, A. A. Omarova, Zh. K. Myltykbaeva and A. V. Anisimov p. 1016 abstract

Technology of Polymer and Composite Materials

Granulated Metamaterial Cross-Linked Polyvinyl Alcohol-Magnetite for Use in Optical Micrometry

A. V. Ivanov, M. A. Smirnova, O. A. Tikhanova, M. G. Tokmachev, A. N. Gagarin and N. B. Ferapontov p. 1023 abstract

Statistical Description of Porosity Formation in Basalt-Plastic Composite Materials in Climatic Tests

G. G. Vinokurov, N. F. Struchkov, A. K. Kychkin and M. P. Lebedev p. 1029 abstract

Mechanical Characteristics of a Polypropylene Yarn with a Polytetrafluoroethylene-Based Coating Obtained through a New Technology

N. P. Prorokova, S. Yu. Vavilova and V. M. Buznik p. 1034 abstract

Effect of the Environment on the Properties of Polymer Composite Materials

I. G. Lukachevkaya, M. P. Lebedev and N. F. Struchkov p. 1041 abstract

Chemically Modifying Ice and Ice-Based Materials to Control Their Properties

G. Yu. Goncharova, N. D. Razomasov, G. V. Borshchev and V. M. Buznik p. 1045 abstract

Sorption of U(VI) onto Layered Double Hydroxides of Mg and Al with β-Cyclodextrin from Aqueous Solutions

S. A. Kulyukhin, E. P. Krasavina and A. V. Gordeev p. 1056 abstract

Chemical and Metallurgical Deep Conversion of Crude-Ore, Technogenic, and Recyclable Materials

Advances in Kola Cobalt Production Technology: An 80-Year Journey

A. G. Kasikov p. 1062 abstract

Controlling Phosphorus Mobility in Compound Fertilizers Prepared from Lao Cai Apatite

I. A. Pochitalkina, D. F. Kondakov and Kh. F. Le p. 1069 abstract

Chemistry and Technology of Rare, Trace, and Radioactive Elements

Obtaining Solid Extractants Based on Mixtures of Tributylphosphate and Molecular Iodine and Researching the Extraction of Scandium from Chloride Solutions

V. I. Kuzmin and A. A. Kuzmina p. 1073 abstract

Sorption of Cesium and Strontium Radionuclides by Synthetic Ivanyukite from Model and Process Solutions

A. I. Nikolaev, L. G. Gerasimova, M. V. Maslova and E. S. Shchukina p. 1078 abstract

Extraction-Pyrolysis Synthesis and Luminescence Properties of Lanthanum–Cerium Phosphates Activated by Terbium

N. I. Steblevskaya, M. A. Medkov and M. V. Belobeletskaya p. 1086 abstract

Processes and Apparatuses of Chemical Technology

The Prospects for Using Recirculation–Countercurrent Chromatography for Separating Multicomponent Mixtures

V. V. Belova p. 1091 abstract

Pilot Plant for Studies of REE Separation by Extraction Chromatography Based on a Cascade of Centrifugal Extractors

Zh. N. Galieva, A. A. Semenov, A. E. Kostanyan and A. V. Aldushkin p. 1097 abstract

Experimental Study of the Chromatographic Extraction Process of Separation in a Closed Multistage Loop

M. M. Martynova, A. G. Apostolov and A. E. Kostanyan p. 1107 abstract