I. S. Garkushina, A. S. Panyuta, P. Yu. Morozova, A. A. Osipenko
{"title":"Selective Sorbents Based on 2-Hydroxyethylmethacrylate and Ethylene Glycol Dimethacrylate Modified with Boric Acid as High-Affinity Ligands for Glucose","authors":"I. S. Garkushina, A. S. Panyuta, P. Yu. Morozova, A. A. Osipenko","doi":"10.1134/S2070205123701022","DOIUrl":"10.1134/S2070205123701022","url":null,"abstract":"<p>A synthesis method of granulated polymeric sorbents based on 2-hydroxyethylmethacrylate and ethylene glycol dimethacrylate that possess affinity to glucose sorption sites formed by boric acid molecules has been developed. The participation of boric acid as an additional crosslinking agent and the effect of the amount of the introduced ligand on the surface morphology of the granules and physicochemical properties of the polymeric sorbents have been determined. It has been found that this modification of the polymer matrix promotes an increase in the affinity of the sorption surface and its adsorption capacity to bind glucose in a dynamic mode, as well as high selectivity in comparison with the sorption of its structural analogue, fructose. This can further be used in the development of a method of isolation of glucose from a multicomponent solution and a sorption method of separation of sugars.</p>","PeriodicalId":745,"journal":{"name":"Protection of Metals and Physical Chemistry of Surfaces","volume":"59 5","pages":"843 - 853"},"PeriodicalIF":1.1,"publicationDate":"2023-11-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138431621","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Low-Temperature N2 and He Separation on a HKUST-1 Membrane","authors":"I. V. Grenev, V. Yu. Gavrilov","doi":"10.1134/S2070205123700995","DOIUrl":"10.1134/S2070205123700995","url":null,"abstract":"<div><div><h3>\u0000 <b>Abstract</b>\u0000 </h3><p>Technologies of membrane-based gas separation can be integrated into existing industrial processes for low-temperature helium recovery from natural gas at the stages of crude helium separation from the N<sub>2</sub>/He mixture and its purification. The effectiveness of these processes is most affected by the properties of the materials from which the membrane is made. Due to their unique properties, metal-organic framework are promising materials for use in gas separation. In the present work, both the Monte Carlo and equilibrium molecular dynamics methods were employed to examine the temperature dependence of membrane selectivity and nitrogen permeability for separation of an equimolar mixture of N<sub>2</sub> and He by a HKUST-1-based membrane at a pressure drop of 0.1, 0.3, and 1 MPa. It was shown that the selection of optimal temperature conditions made it possible to obtain a significant increase in membrane selectivity and permeability for nitrogen compared to corresponding parameters at room temperature.</p></div></div>","PeriodicalId":745,"journal":{"name":"Protection of Metals and Physical Chemistry of Surfaces","volume":"59 5","pages":"822 - 827"},"PeriodicalIF":1.1,"publicationDate":"2023-11-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138431675","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
A. V. Bondarenko, V. V. Bondarenko, G. A. Petukhova, L. A. Dubinina, M. L. Ruello
{"title":"Adsorption Properties of Kaolinite and Montmorillonite Activated by Thermochemical Treatment","authors":"A. V. Bondarenko, V. V. Bondarenko, G. A. Petukhova, L. A. Dubinina, M. L. Ruello","doi":"10.1134/S2070205123701009","DOIUrl":"10.1134/S2070205123701009","url":null,"abstract":"<div><div><h3>\u0000 <b>Abstract</b>\u0000 </h3><p>The article presents the results of a study of the effect of thermal acid treatment of kaolinite on increasing its adsorption activity. Previous publications have presented the results of a study of the synthesis conditions and properties of the TiO<sub>2</sub>/kaolinite material—a filler of building materials with the function of passive degradation of household organic pollutants; the studies showed a significant increase in the adsorption–structural characteristics of the composite during synthesis compared to kaolinite and titanium dioxide as separate materials. The current article is devoted to study of changes in the sorption activity of potential carriers of titanium dioxide—kaolinite and montmorillonite—as a result of thermal acid treatment, which simulates the synthesis of a composite. A significant increase in the adsorption activity of kaolinite is obtained and the inefficiency of this treatment method for montmorillonite is shown.</p></div></div>","PeriodicalId":745,"journal":{"name":"Protection of Metals and Physical Chemistry of Surfaces","volume":"59 5","pages":"828 - 836"},"PeriodicalIF":1.1,"publicationDate":"2023-11-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138431574","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
P. S. Gordienko, E. V. Pashnina, S. B. Yarusova, E. A. Nekhlyudova, I. G. Zhevtun, I. A. Shabalin, N. V. Zarubina, S. Yu. Budnitsky, V. G. Kuryavyi
{"title":"Synthesis and Sorption Properties of Lithium Aluminosilicate","authors":"P. S. Gordienko, E. V. Pashnina, S. B. Yarusova, E. A. Nekhlyudova, I. G. Zhevtun, I. A. Shabalin, N. V. Zarubina, S. Yu. Budnitsky, V. G. Kuryavyi","doi":"10.1134/S2070205123701046","DOIUrl":"10.1134/S2070205123701046","url":null,"abstract":"<div><div><p><b>Abstract</b>—The article presents data on the synthesis of nanostructured, X-ray amorphous lithium aluminosilicate, with a Si : Al ratio of 3 : 1. The composition, morphology, and thermal behavior were studied. The sorption isotherm of Cs<sup>+</sup> ions was obtained under static conditions with a ratio of T : L = 1 : 400. The maximum sorption capacity, degree of extraction, and distribution coefficients of cesium were determined. Data on the sorption kinetics of Cs<sup>+</sup> ions were obtained at temperatures 30 and 60°C, and the activation energy of the sorption process and diffusion coefficients were calculated.</p></div></div>","PeriodicalId":745,"journal":{"name":"Protection of Metals and Physical Chemistry of Surfaces","volume":"59 5","pages":"860 - 867"},"PeriodicalIF":1.1,"publicationDate":"2023-11-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138431606","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
A. E. Grinchenko, I. E. Men’shchikov, A. V. Shkolin, A. A. Fomkin
{"title":"Adsorption of Methane Vapors on a Micro-Mesoporous Carbon Adsorbent During Long-Term Storage of Liquefied Natural Gas","authors":"A. E. Grinchenko, I. E. Men’shchikov, A. V. Shkolin, A. A. Fomkin","doi":"10.1134/S2070205123700971","DOIUrl":"10.1134/S2070205123700971","url":null,"abstract":"<div><div><p><b>Abstract</b>—The study investigated the physicochemical and adsorption characteristics of a micro-mesoporous carbon adsorbent obtained from wood waste by a thermochemical method with respect to the processes of the accumulation of liquefied natural gas vapors in long-term storage systems. X-ray diffraction analysis of the adsorbent showed that, as a result of synthesis of the adsorbent, its structure was an amorphous carbon phase, without signs of graphite-like phases characteristic of coal obtained from other types of raw materials. In turn, the developed porous structure of the adsorbent is represented by both micro- and mesopores, with a wide size distribution: the total pore volume was about 1.7 cm<sup>3</sup>/g. The sorption characteristics of the adsorbent at temperatures of 111.7–160 K and pressures up to 0.6 MPa were calculated based on the linearity of experimental isotherms at <i>T</i> from 303 to 333 K and the contribution from adsorption on the surface of mesopores in the monolayer and the capillary condensation effect (CCE). Based on sorption data, it is shown that the presence of mesopores has a predominant effect on the adsorption accumulation efficiency due to the contribution of CCE, providing an active capacity of cryogenic sorption accumulators at a level of 450 m<sup>3</sup>(NTP)/m<sup>3</sup>.</p></div></div>","PeriodicalId":745,"journal":{"name":"Protection of Metals and Physical Chemistry of Surfaces","volume":"59 5","pages":"801 - 809"},"PeriodicalIF":1.1,"publicationDate":"2023-11-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138431607","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Equilibrium and Kinetic Characteristics of Tryptophan Sorption onto FIBAN A-1 Fiber","authors":"E. A. Azarova, I. V. Voronyuk, T. V. Eliseeva","doi":"10.1134/S2070205123701010","DOIUrl":"10.1134/S2070205123701010","url":null,"abstract":"<div><div><h3>\u0000 <b>Abstract</b>\u0000 </h3><p>In the present study, the possibility of using a strong-base fibrous material FIBAN A-1 (Institute of Physical Organic Chemistry, National Academy of Sciences of Belarus, Belarus) as a sorbent to remove tryptophan from aqueous solutions is investigated. The capacity characteristics of the anion exchangers in the form of granules and fibers containing quaternary ammonium bases as functional groups with respect to the chosen amino acid are analyzed. The influence of the pH of the medium on the sorption of amino indolylpropanoic acid onto the A-1 fiber is determined. IR spectroscopy confirms the fact of the fixation of amino acids from solutions with pH ~5.0–5.5 due to the charge exchange of the zwitterion by the OH groups of the sorbent. The specific features of both the equilibrium and kinetics of tryptophan sorption from solutions with a pH close to the isoelectric point are studied. Based on the analysis of the isotherms of sorption of the amino acid at different temperatures, a monomolecular mechanism of the sorptive sorption process and its endothermic character are established. The kinetic characteristics of tryptophan sorption indicate a significant contribution of external diffusion to the velocity of the investigated process.</p></div></div>","PeriodicalId":745,"journal":{"name":"Protection of Metals and Physical Chemistry of Surfaces","volume":"59 5","pages":"837 - 842"},"PeriodicalIF":1.1,"publicationDate":"2023-11-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138431608","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
K. A. Zagidullin, E. V. Belova, M. A. Volkov, K. E. German, B. V. Kuznetsov, S. N. Ryagin, A. Yu. Tsivadze
{"title":"A Mechanism of Desorption of Pertechnetate Ions from Macroporous Vinyl Pyridinium Anion-Exchange Resin Using Tributyl Phosphate","authors":"K. A. Zagidullin, E. V. Belova, M. A. Volkov, K. E. German, B. V. Kuznetsov, S. N. Ryagin, A. Yu. Tsivadze","doi":"10.1134/S207020512370106X","DOIUrl":"10.1134/S207020512370106X","url":null,"abstract":"<p>Based on kinetic studies, a mechanism for the elution of technetium from an anion-exchanger in the form of an extractable complex with tributyl phosphate (TBP) has been suggested for the purpose of improving the ion exchange technology of the technetium extraction by elution of technetium-99 from VP-1AP anion exchange resin with a TBP solution. The effect of diluents and extraction reagents on the quantitative desorption of pertechnetate has been studied. It has been found that the process of desorption of pertechnetate ions from the VP-1AP anion-exchanger can be described by equations characteristic of the film kinetics of elution, which is caused by the presence of an additional stage of transfer of the substance across the phase interface from the phase of an aqueous solution associated with anion-exchanger to the phase of organic extracting eluent. Based on the conducted studies, the possibility of improving the existing sorption technology of technetium isolation has been demonstrated.</p>","PeriodicalId":745,"journal":{"name":"Protection of Metals and Physical Chemistry of Surfaces","volume":"59 5","pages":"876 - 892"},"PeriodicalIF":1.1,"publicationDate":"2023-11-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138431609","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
N. P. Ivanov, A. N. Drankov, E. K. Papynov, A. O. Lembikov, V. Yu. Mayorov, A. N. Fedorets, G. D. Kaspruk
{"title":"Layered Double Zinc and Aluminum Hydroxide Intercalated with Hexacyanoferrate(II) Ions for Extraction of U(VI) from Liquid Media","authors":"N. P. Ivanov, A. N. Drankov, E. K. Papynov, A. O. Lembikov, V. Yu. Mayorov, A. N. Fedorets, G. D. Kaspruk","doi":"10.1134/S2070205123701058","DOIUrl":"10.1134/S2070205123701058","url":null,"abstract":"<div><div><p><b>Abstract</b>—Layered double zinc and aluminum hydroxide modified with hexacyanoferrate(II) ions was synthesized for the first time by reverse deposition. The obtained samples were studied by X-ray phase analysis, scanning electron microscopy, and low-temperature nitrogen adsorption, and their sorption characteristics with respect to uranium U(VI) were studied. The sorption capacity for the modified material under static conditions, determined by the Langmuir equation, was <span>(q_{{max }}^{{~l}})</span> = 156.70 ± 12.38 mg/g (at phase ratio <i>V</i>/<i>m</i> = 1000 mL/g, in a monocomponent solution of uranyl nitrate UO<sub>2</sub>(NO<sub>3</sub>)<sub>2</sub> at a temperature <i>T</i> = 25°C and sorption time <i>t</i> = 24 h). Layered double zinc and aluminum hydroxide modified with hexacyanoferrate(II) ions is a promising sorbent for purification of liquid media from uranium U(VI) due to its high capacity and specific surface area, the possibility of effective use in a wide range of pH [4, 10], and low cost.</p></div></div>","PeriodicalId":745,"journal":{"name":"Protection of Metals and Physical Chemistry of Surfaces","volume":"59 5","pages":"868 - 875"},"PeriodicalIF":1.1,"publicationDate":"2023-11-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138431633","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Morphology of Phthalocyanine Nanostructures Localized in the Structure of a Latex Polymer","authors":"T. R. Aslamazova, V. A. Kotenev, A. Yu. Tsivadze","doi":"10.1134/S2070205123701101","DOIUrl":"10.1134/S2070205123701101","url":null,"abstract":"<div><div><h3>\u0000 <b>Abstract</b>\u0000 </h3><p>An analysis of the nanostructure morphology of ionic carboxyl-containing phthalocyanine and tetrasodium salt of Cu(II)-phthalocyanine-tetrasulphonic acid in the structure of latex polymers is carried out using optical and quasi-optical methods: optical microscopy, atomic-force microscopy (AFM), and fluorescence and Raman spectroscopy. The variety of shapes and sizes of the phthalocyanine nanostructures localized in the interparticle space of the latex polymers is analyzed, which determines the difference in their photochemical properties.</p></div></div>","PeriodicalId":745,"journal":{"name":"Protection of Metals and Physical Chemistry of Surfaces","volume":"59 5","pages":"1028 - 1037"},"PeriodicalIF":1.1,"publicationDate":"2023-11-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138431447","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"On the Structure of Thin Spectral-Selective Thermal Oxide Coatings on the Surface of X18N10T Steel","authors":"V. A. Kotenev","doi":"10.1134/S2070205123701071","DOIUrl":"10.1134/S2070205123701071","url":null,"abstract":"<p>The structure of spectral-selective solar radiation absorber coatings fabricated by thermal oxidation of high-chromium X18N10T steel at 400–800° C has been investigated. The structure of the films was controlled by electron microscopy with an X-ray probe and IR spectroscopy. It has been shown that thin thermal oxide layers (400–500 Å) formed during oxidation of steel at 500–600°C had an oxide–oxide composite structure and were characterized by high absorption capacity and a pronounced photoelectric response in the spectral regions of visible solar radiation. The efficiency of the spectral-selective solar radiation absorber coatings prepared by thermal oxidation of high-chromium X18N10T steel at 500–600°C is determined by the thermodynamically conditioned formation of a composite layer of FeCr<sub>2</sub>O<sub>4</sub> granules on the steel surface in the matrix of excess iron oxide and spinel of variable composition in the matrix of the external layer of magnetite.</p>","PeriodicalId":745,"journal":{"name":"Protection of Metals and Physical Chemistry of Surfaces","volume":"59 5","pages":"899 - 903"},"PeriodicalIF":1.1,"publicationDate":"2023-11-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138431575","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}