Vol. 57, No. 4, 2023

Theoretical Foundations of Chemical Engineering

Evaluation of the Efficiency of the Separation of Dust–Gas Flows in Uniflow Cyclones

V. S. Toptalov, Yu. G. Chesnokov, V. P. Meshalkin, N. N. Kulov, O. M. Flisyuk, N. A. Martsulevich and I. G. Likhachev p. 435 abstract

Extraction of Mn(II) and Co(II) from Chloride Solutions with the Di(2-ethylhexyl)phosphoric Acid/Menthol Deep Eutectic Solvent

I. V. Zinov’eva, A. M. Salomatin, A. V. Kozhevnikova, Yu. A. Zakhodyaeva and A. A. Voshkin p. 442 abstract

Method to Calculate the Limiting and Optimal Conditions of the Chemical and Energy Engineering Process of Calcination of Lump and Pelletized Phosphate Ore Raw Materials on the Grate of a Traveling-Grate Roasting Machine

V. P. Meshalkin, V. A. Orekhov, M. I. Dli, V. I. Bobkov and T. B. Chistyakova p. 450 abstract

Heat and Mass Transfer in Spray Drying Processes with Convective-Radiant Energy Supply

P. V. Akulich and D. S. Slizhuk p. 459 abstract

Mathematical Model and Experimental Data for Water Cooling in Counterflow Film Cooling Towers

E. A. Lapteva and A. G. Laptev p. 469 abstract

Semiempirical Method for Determining the Velocities of Phases During Fluidization and Settling in a Self-Similar Region

A. M. Trushin, M. A. Nosyrev, L. V. Ravichev, L. S. Sal’nikova and V. E. Yashin p. 478 abstract

Digital Twins for the Porous Structures of Aerogels with the Use of the Cellular Automation Approach and Bezier Curves

I. V. Lebedev, S. I. Ivanov, R. R. Safarov and N. V. Men’shutina p. 482 abstract

Mathematical Modeling of the Flow of Two-Phase Media in Disc Stack Separators with Curvilinear Discs

R. I. Ibyatov and F. G. Akhmadiyev p. 489 abstract

Reproducibility of the Results of the Conductometric Determination of the Degree of Dilution of the Essentuki-4 Mineral Water

S. N. Nikulina, E. I. Smirnova, A. E. Vasyukov, N. Yu. Fateeva and E. A. Cherikanova p. 497 abstract

Distillation Separation of the Isobutyl Acetate–Acetic Acid–Isoamyl Acetate Industrial Mixture

A. V. Polkovnichenko and T. V. Chelyuskina p. 503 abstract

Generalized Dependence of the Viscosity of Particulate-Filled Polymer Composite Materials with Different Types of Structures

I. D. Simonov-Emel’yanov and P. V. Surikov p. 515 abstract

Physical Feasibility and Synthesis of Heat Exchange Systems According to Thermodynamic Parameters

A. M. Tsirlin p. 524 abstract

Methods of Optimization Thermodynamics in Distillation Processes

A. M. Tsirlin, A. I. Balunov, I. A. Sukin and A. M. Vasilyev p. 537 abstract

A Hybrid Membrane for the Simultaneous Selective Sorption of Cesium in the Ionic and Colloid Forms

I. I. Vinogradov, E. V. Andreev, N. S. Yushin, A. S. Sokhatskii, V. A. Altynov, M. V. Gustova, T. N. Vershinina, I. Zin’kovskaya, A. N. Nechaev and P. Yu. Apel’ p. 549 abstract

A Review on Different Treatment Possibilities of Dairy Wastewater

Pragyan Das and Kakoli Karar Paul p. 563 abstract

Study Into Obtaining Biogas Through Aloe Vera Waste

Héctor Hugo Riojas-González, Luis Climent, Roberto Antonio García, Juan Julian Martínez and Carlos Zamora-Tovar p. 581 abstract

Reliability of Nanofiltration Membrane Process or Brackish Water Treatment in Baghdad City: Module Modeling and Simulation

Sufyan Fadhil p. 589 abstract

Technology of Inorganic Substances and Materials

Absorption of Lanthanum Ions by the SrSO₄ Crystal Matrix

N. N. Bushuev and V. A. Kolesnikov p. 597 abstract

Production of Magnesium Carbonate and Magnesium Oxide from Brines of the Volgogradskoe Bischofite Deposit

V. P. Danilov, V. B. Baranovskaya, E. A. Frolova, D. F. Kondakov, K. V. Petrova, E. V. Fatyushina and G. E. Nikiforova p. 603 abstract

Study of the Effect of Urea on the Corrosivity of Sodium and Calcium Chlorides to Steel and Aluminum Alloys

E. A. Efimova, L. I. Avdyushkina, I. A. Kozlov, E. A. Frolova, D. F. Kondakov and V. P. Danilov p. 607 abstract

Regularities of the Transition from a Bi–Te Metal System to a Bi₂O₃–TeO₂ Oxide System upon Oxidation

A. A. Kazaryan p. 611 abstract

Characteristics of Layered Double Magnesium–Aluminum Hydroxides in the Sorption of Complex Hexathiocyanochromate(III) Ions

E. K. Kopkova and D. V. Maiorov p. 616 abstract

Physicochemical Modeling of Melting and Crystallization Processes of Latite and Trachyte

E. N. Pechenkina, E. I. Berbekova, S. V. Fomichev, V. A. Krenev and D. F. Kondakov p. 624 abstract

Effect of Treatment Conditions of Capacitor Structures Based on Porous Silicon and Ferroelectric on Their Dielectric Losses in the HF and Microwave Ranges

O. V. Semenova, T. N. Patrusheva, V. A. Yuzova, K. V. Lemberg, M. Yu. Railko, S. A. Podorozhnyak and A. I. Khol’kin p. 628 abstract

Studying the Dihydrate Stage of the Process of Preparation of Extractive Phosphoric Acid by the Dihydrate–Hemihydrate Method from Low-Grade Phosphorites

I. V. Soboleva and S. E. Lyashenko p. 633 abstract

Effect of the Pyrolysis Temperature of Precursors on the Luminescent Characteristics of Borates La_0.95Eu_0.05BO₃ and La_0.95Eu_0.05(BO₂)₃

N. I. Steblevskaya and M. V. Belobeletskaya p. 638 abstract

Features of Methods to Produce High-Purity Arsenic

V. A. Fedorov, T. K. Menshchikova, K. S. Nikonov, M. N. Brekhovskikh and O. E. Myslitskii p. 644 abstract

Phase Equilibria in the Sodium Formate–Glycerol–Water System at Temperatures Below 0°С

E. A. Frolova, D. F. Kondakov, I. V. Balakaeva and V. P. Danilov p. 650 abstract

Choice of Conditions for Drying Fluxes for Magnesium Alloys Based on Thermal Analysis Data

M. A. Khaskov, A. A. Leonov, N. V. Trofimov and V. A. Duyunova p. 653 abstract

Technology of Organic Substances

Flax Fibers: New Opportunities for “Green” Nanotechnology

N. S. Dymnikova, E. V. Erokhina and A. P. Moryganov p. 660 abstract

Preparation of Bismuth Ammonium Citrate

E. S. Koledova and Yu. M. Yukhin p. 670 abstract

Technology of Polymer and Composite Materials

Effect of an Alkaline Etching Sludge on the Technical Parameters and Phase Composition of Composite Acid-Resistant Ceramic

V. Z. Abdrakhimov and E. S. Abdrakhimova p. 675 abstract

Estimating the Ultimate Porosity of Basalt–Plastic Composites in Climatic Tests under Northern Conditions

G. G. Vinokurov, N. F. Struchkov, A. K. Kychkin and M. P. Lebedev p. 682 abstract

Estimation of the Porosity of a Bilayered Fibrous Composite Material by Various Methods of Digital Microstructure Processing

N. P. Midukov, M. A. Zil’bergleit, V. S. Kurov and M. A. Litvinov p. 689 abstract

Chemical and Metallurgical Processes of Deep Processing of Ore, Technogenic, and Secondary Raw Materials

Study on Processing of Copper-Sulfide Concentrate

A. G. Arustamyan, E. M. Nazaryan, E. S. Agamyan, A. M. Arakelyan and V. R. Arutyunyan p. 695 abstract

Preparation of Building Materials from Waste Aluminosilicate Rocks

N. V. Gurgenyan, A. E. Grigoryan, M. F. Kostandyan, A. V. Martirosyan, N. K. Vardanyan and I. B. Khachanova p. 698 abstract

Studying the Hemihydrate Stage of the Process of Preparation of Extractive Phosphoric Acid by the Dihydrate–Hemihydrate Method from Low-Grade Phosphorites

I. V. Soboleva and S. E. Lyashenko p. 704 abstract

Chemistry and Technology of Rare, Trace, and Radioactive Elements

Application of Multicomponent Two-Phase Systems in Liquid–Liquid Chromatography

V. V. Belova p. 709 abstract

Extraction of Rare Earth Elements from the Phosphate Concentrate of Apatite Processing

A. V. Val’kov and E. A. Mesyats p. 714 abstract

On the Interphase Distribution of Nickel(II) and Vanadium(IV) Ions in a System Based on PEG-1500

A. V. Levina, M. I. Fedorova, Yu. A. Zakhodyaeva and A. A. Voshkin p. 720 abstract

Calculation Algorithm of Volumes of Medium-Level Radioactive Wastes Solidified Into Cement or Magnesium–Potassium Phosphate (MPP) Matrix

A. A. Rykunova, V. A. Kashcheev, A. Yu. Shadrin and O. V. Shmidt p. 725 abstract

Complexation of Europium(III) with Acetylacetone and Trialkylbenzylammonium in Extraction Systems According to Luminescent Spectroscopy Data

N. I. Steblevskaya p. 732 abstract

Processes and Apparatuses of Chemical Technology

Developing a Hydrodynamic Model for the Mixing Chamber of a Centrifugal Extractor

U. F. Altynnikova, A. A. Bochkareva, I. R. Makeeva, K. N. Dvoeglazov and O. V. Shmidt p. 738 abstract

Trends and Prospects in the Development of Gas-Lift and Bubble Equipment Designs

P. D. Vasiliev, A. A. Sidyagin, A. V. Stepykin, V. M. Kosyrev and D. M. Bukharov p. 745 abstract

Purification of Phenol and Chloroform from Impurity Components by Extractive Rectification

I. S. Gaganov, V. G. Fertikova, A. V. Frolkova and A. K. Frolkova p. 754 abstract

Influence of the Shape of Differential Response Curve on Design Calculations of Chemical Reactor

A. B. Golovanchikov, O. A. Zalipaeva, N. A. Merentsov and N. V. Shibitova p. 760 abstract

On the Operation of a Cascade of Mixing and Settling Extractors in the Modes of Chromatography and in Free Liquid Membranes

A. E. Kostanyan, N. A. Milevskii, Yu. A. Klychevskikh, A. G. Apostolov, D. S. Yankov and A. A. Voshkin p. 764 abstract

Efficiency of Heat Pumps in Extractive Rectification of the Allyl Alcohol–Allyl Acetate Mixture with Different Compositions of the Feed: Part 1. Application of Heat Pumps in Schemes with Two-Selection Columns

D. G. Rudakov, P. S. Klausner, D. A. Ramochnikov, E. A. Anokhina and A. V. Timoshenko p. 770 abstract