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Influence of Modification of Zn-Mg(Zr)Si Oxide Systems by Sodium and Potassium on their Catalytic Properties in the Process of Obtaining 1,3-Butadiene from Ethanol 钠和钾改性Zn-Mg(Zr)Si氧化物体系对乙醇制1,3-丁二烯催化性能的影响
IF 1 4区 化学
Theoretical and Experimental Chemistry Pub Date : 2022-03-10 DOI: 10.1007/s11237-022-09714-9
O. V. Larina, P. I. Kyriienko, O. V. Morozov, T. I. Obushenko, N. M. Tolstopalova, S. O. Soloviev
{"title":"Influence of Modification of Zn-Mg(Zr)Si Oxide Systems by Sodium and Potassium on their Catalytic Properties in the Process of Obtaining 1,3-Butadiene from Ethanol","authors":"O. V. Larina,&nbsp;P. I. Kyriienko,&nbsp;O. V. Morozov,&nbsp;T. I. Obushenko,&nbsp;N. M. Tolstopalova,&nbsp;S. O. Soloviev","doi":"10.1007/s11237-022-09714-9","DOIUrl":"10.1007/s11237-022-09714-9","url":null,"abstract":"<div><div><p>The effect of alkali metal ions (Na<sup>+</sup> or K<sup>+</sup>) on the acid–base and catalytic properties of Zn-Mg(Zr)Si oxide systems in the process of obtaining 1,3-butadiene from ethanol was studied. It was found that the modification of Zn-MgSi oxide systems promotes an increase in the 1,3-butadiene selectivity (at temperatures ≥670 K) by reducing the number of formation sites of by-products. In the composition of Zn-ZrSi oxide systems, alkali metal cation additives lead to a decrease in the ethene and diethyl ether selectivity due to a decrease in the content of strong acid sites that are active in the ethanol dehydration reaction.</p></div></div>","PeriodicalId":796,"journal":{"name":"Theoretical and Experimental Chemistry","volume":null,"pages":null},"PeriodicalIF":1.0,"publicationDate":"2022-03-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"4429576","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Anomalous Increase in Ionic Conductivity in Peo-Containing System Segmented Polyurethane – Segmented Oligourethane with LiClO4 含peo -聚氨酯-低聚硅氧烷片段化体系中离子电导率的异常增加
IF 1 4区 化学
Theoretical and Experimental Chemistry Pub Date : 2022-03-09 DOI: 10.1007/s11237-022-09712-x
V. V. Shevchenko, A. G. Belous, A. V. Stryutsky, L. L. Kovalenko, N. S. Klimenko, M. A. Gumenna, A. M. Pilipenko
{"title":"Anomalous Increase in Ionic Conductivity in Peo-Containing System Segmented Polyurethane – Segmented Oligourethane with LiClO4","authors":"V. V. Shevchenko,&nbsp;A. G. Belous,&nbsp;A. V. Stryutsky,&nbsp;L. L. Kovalenko,&nbsp;N. S. Klimenko,&nbsp;M. A. Gumenna,&nbsp;A. M. Pilipenko","doi":"10.1007/s11237-022-09712-x","DOIUrl":"10.1007/s11237-022-09712-x","url":null,"abstract":"<div><div><p>A method of obtaining a solid polymer electrolyte for lithium-ion batteries based on polyethylene oxide-containing (PEO) supramolecularly organized system segmented polyurethane – segmented oligourethane with LiClO<sub>4</sub>(PUU-OUU-LiClO<sub>4</sub>) is proposed. The introduction of LiClO<sub>4</sub> into PUU-OUU leads to an extreme increase in the glass transition temperature and ionic conductivity by 1 and 2 orders of magnitude when compared to OUU-LiClO<sub>4</sub> and PUU-LiClO<sub>4</sub> systems (up to 2.0·10<sup>–4</sup> S/cm at 60°C), respectively, which is associated with a change in the lithium-ion transport mechanism.</p></div></div>","PeriodicalId":796,"journal":{"name":"Theoretical and Experimental Chemistry","volume":null,"pages":null},"PeriodicalIF":1.0,"publicationDate":"2022-03-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"4393277","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Properties of Hierarchy Zeolite Obtained From Obsidian and Perlite 从黑曜石和珍珠岩中制备的分级沸石的性质
IF 1 4区 化学
Theoretical and Experimental Chemistry Pub Date : 2022-03-09 DOI: 10.1007/s11237-022-09715-8
M. M. Kurmach, K. M. Konysheva, K. O. Filatova, S. O. Sotnik, K. S. Gavrilenko, O. V. Andreev, O. V. Shvets
{"title":"Properties of Hierarchy Zeolite Obtained From Obsidian and Perlite","authors":"M. M. Kurmach,&nbsp;K. M. Konysheva,&nbsp;K. O. Filatova,&nbsp;S. O. Sotnik,&nbsp;K. S. Gavrilenko,&nbsp;O. V. Andreev,&nbsp;O. V. Shvets","doi":"10.1007/s11237-022-09715-8","DOIUrl":"10.1007/s11237-022-09715-8","url":null,"abstract":"<div><div><p>A method for obtaining hierarchical BEA, MOR, MFI, MTW, and GIS zeolites and nanocomposites by partial recrystallization of perlite and obsidian in the presence of polyquaternary ammonium salts, which act as structure-directing agents, is proposed. The obtained materials are characterized by a developed specific surface, the presence of Lewis (up to 98 μmol/g) and Bronsted (5-105 μmol/g) acid sites and show catalytic activity in the process of 1,1-diethoxyethane production from acetaldehyde and ethanol.</p></div></div>","PeriodicalId":796,"journal":{"name":"Theoretical and Experimental Chemistry","volume":null,"pages":null},"PeriodicalIF":1.0,"publicationDate":"2022-03-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"4390471","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Influence of Vanadium Doping on the Activity of Nanocomposite Electrocatalysts Based on Molybdenum Carbide and Reduced Graphene Oxide in the Process of Hydrogen Evolution from Water 钒掺杂对碳化钼-还原氧化石墨烯纳米复合电催化剂水析氢活性的影响
IF 1 4区 化学
Theoretical and Experimental Chemistry Pub Date : 2022-03-09 DOI: 10.1007/s11237-022-09711-y
D. O. Mazur, Ya. I. Kurys, V. G. Koshechko, V. D. Pokhodenko
{"title":"Influence of Vanadium Doping on the Activity of Nanocomposite Electrocatalysts Based on Molybdenum Carbide and Reduced Graphene Oxide in the Process of Hydrogen Evolution from Water","authors":"D. O. Mazur,&nbsp;Ya. I. Kurys,&nbsp;V. G. Koshechko,&nbsp;V. D. Pokhodenko","doi":"10.1007/s11237-022-09711-y","DOIUrl":"10.1007/s11237-022-09711-y","url":null,"abstract":"<div><div><p>It has been found that pyrolysis of hybrid precursors containing polypyrrole, H<sub>4</sub>PVMo<sub>11</sub>O<sub>40</sub>, and reduced graphene oxide (rGO) contributes to the production of nanocomposites based on V-doped Mo<sub>2</sub>C and N,P-doped rGO, which are promising electrocatalysts for hydrogen evolution reaction (HER). It has been shown that vanadium doping increases the activity of electrocatalysts in HER (both in acidic and alkaline electrolytes) when compared to the analog obtained by unsubstituted H<sub>3</sub>PMo<sub>12</sub>O<sub>40</sub>. In particular, it is manifested in a significant reduction of hydrogen evolution overpotential, anodic displacement of a process onset potential, and reduction of a Tafel slope dependence.</p></div></div>","PeriodicalId":796,"journal":{"name":"Theoretical and Experimental Chemistry","volume":null,"pages":null},"PeriodicalIF":1.0,"publicationDate":"2022-03-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"4390479","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
New Approaches to the Creation of Nanocomposite Anode Materials Based on PbO2: A Review 基于PbO2制备纳米复合负极材料的新途径
IF 1 4区 化学
Theoretical and Experimental Chemistry Pub Date : 2022-02-11 DOI: 10.1007/s11237-022-09709-6
A. B. Velichenko, T. V. Luk’yanenko, O. B. Shmychkova, V. O. Knysh
{"title":"New Approaches to the Creation of Nanocomposite Anode Materials Based on PbO2: A Review","authors":"A. B. Velichenko,&nbsp;T. V. Luk’yanenko,&nbsp;O. B. Shmychkova,&nbsp;V. O. Knysh","doi":"10.1007/s11237-022-09709-6","DOIUrl":"10.1007/s11237-022-09709-6","url":null,"abstract":"<div><div><p>An original approach to the creation of new nanocomposite anode materials based on PbO<sub>2</sub> and to the processes of composite formation due to the influence of selective adsorption of valve metal oxides and different types of surfactants on both electrochemical and colloid-chemical processes in the near-electrode zone is considered. It is shown that variation of deposition electrolyte composition, current density, and temperature allows one to change the content of additives in composites and to provide control of morphology, texture, phase composition, physicochemical properties, electrocatalytic activity, and selectivity of electrocatalysts based on PbO<sub>2</sub> in target processes.</p></div></div>","PeriodicalId":796,"journal":{"name":"Theoretical and Experimental Chemistry","volume":null,"pages":null},"PeriodicalIF":1.0,"publicationDate":"2022-02-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"4451481","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Low-Temperature Hydrogenation of Iron Carbonate Followed by Production of C4-C6 Hydrocarbons 碳酸铁低温加氢制C4-C6烃
IF 1 4区 化学
Theoretical and Experimental Chemistry Pub Date : 2022-01-28 DOI: 10.1007/s11237-021-09702-5
I. Bychko, V. I. Kovbasiuk, A. Trypolskyi, V. Ivanchuk, P. Strizhak
{"title":"Low-Temperature Hydrogenation of Iron Carbonate Followed by Production of C4-C6 Hydrocarbons","authors":"I. Bychko, V. I. Kovbasiuk, A. Trypolskyi, V. Ivanchuk, P. Strizhak","doi":"10.1007/s11237-021-09702-5","DOIUrl":"https://doi.org/10.1007/s11237-021-09702-5","url":null,"abstract":"","PeriodicalId":796,"journal":{"name":"Theoretical and Experimental Chemistry","volume":null,"pages":null},"PeriodicalIF":1.0,"publicationDate":"2022-01-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48055663","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Influence of Acid–Base Characteristics of Hierarchical Cu/Zr-MTW Zeolites on their Catalytic Properties in 1,3-Butadiene Production from Ethanol–Water Mixtures 分级Cu/Zr-MTW分子筛酸碱特性对乙醇-水混合物制1,3-丁二烯催化性能的影响
IF 1 4区 化学
Theoretical and Experimental Chemistry Pub Date : 2022-01-28 DOI: 10.1007/s11237-021-09703-4
O. V. Larina, M. M. Kurmach, P. I. Kyriienko, L. M. Alekseenko, O. V. Shvets, S. O. Soloviev
{"title":"Influence of Acid–Base Characteristics of Hierarchical Cu/Zr-MTW Zeolites on their Catalytic Properties in 1,3-Butadiene Production from Ethanol–Water Mixtures","authors":"O. V. Larina,&nbsp;M. M. Kurmach,&nbsp;P. I. Kyriienko,&nbsp;L. M. Alekseenko,&nbsp;O. V. Shvets,&nbsp;S. O. Soloviev","doi":"10.1007/s11237-021-09703-4","DOIUrl":"10.1007/s11237-021-09703-4","url":null,"abstract":"<div><div><p>The nature of mineralizing agent (HF, NH<sub>4</sub>F) and the Si/F ratio in the synthesis conditions is found to affect the formation of Zr- and Cu-containing acid sites on the surface of zirconium-containing hierarchical zeolites (Cu/Zr-MTW) modified by copper (2 wt.%). It is shown that in the conversion of 50 and 80 vol.% ethanol the highest yield of 1,3-butadiene is achieved in the presence of Cu/Zr-MTW (NH<sub>4</sub>F, Si/F = 4) catalyst, which is characterized by higher total surface acidity according to TPD-NH<sub>3</sub>.</p></div></div>","PeriodicalId":796,"journal":{"name":"Theoretical and Experimental Chemistry","volume":null,"pages":null},"PeriodicalIF":1.0,"publicationDate":"2022-01-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"5083286","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Conversion of Rapeseed Oil to Biodiesel on KF/γ-Al2O3 CATALYST KF/γ-Al2O3催化剂催化菜籽油转化为生物柴油
IF 1 4区 化学
Theoretical and Experimental Chemistry Pub Date : 2022-01-27 DOI: 10.1007/s11237-021-09708-z
Ying Tang, Shuang Tao, Mei Meng, Jie Zhang, Zhifang Zhang
{"title":"Conversion of Rapeseed Oil to Biodiesel on KF/γ-Al2O3 CATALYST","authors":"Ying Tang,&nbsp;Shuang Tao,&nbsp;Mei Meng,&nbsp;Jie Zhang,&nbsp;Zhifang Zhang","doi":"10.1007/s11237-021-09708-z","DOIUrl":"10.1007/s11237-021-09708-z","url":null,"abstract":"<div><div><p>It is shown that the KF/γ-Al<sub>2</sub>O<sub>3</sub> catalyst obtained by the sol–gel method has a greater activity in the process of transesterification of methanol and rapeseed oil to biodiesel compared to KF/γ-Al<sub>2</sub>O<sub>3</sub> prepared by impregnation. The highest yield of biodiesel (96.5%) is achieved with use of KF/γ-Al<sub>2</sub>O<sub>3</sub>, prepared at molar ratio KF to γ-Al<sub>2</sub>O<sub>3</sub> 1.3:1. High conversion of rapeseed oil to biodiesel is explained by the relatively high basicity and specific surface of KF/γ-Al<sub>2</sub>O<sub>3</sub>.</p></div></div>","PeriodicalId":796,"journal":{"name":"Theoretical and Experimental Chemistry","volume":null,"pages":null},"PeriodicalIF":1.0,"publicationDate":"2022-01-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"5039668","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Low-Temperature Hydrogenation of Iron Carbonate Followed By Production of C4-C6 Hydrocarbons 碳酸铁低温加氢生成C4-C6烃
IF 1 4区 化学
Theoretical and Experimental Chemistry Pub Date : 2022-01-27 DOI: 10.1007/s11237-021-09704-3
I. B. Bychko, V. I. Kovbasiuk, A. I. Trypolskyi, V. Y. Ivanchuk, P. E. Strizhak
{"title":"Low-Temperature Hydrogenation of Iron Carbonate Followed By Production of C4-C6 Hydrocarbons","authors":"I. B. Bychko,&nbsp;V. I. Kovbasiuk,&nbsp;A. I. Trypolskyi,&nbsp;V. Y. Ivanchuk,&nbsp;P. E. Strizhak","doi":"10.1007/s11237-021-09704-3","DOIUrl":"10.1007/s11237-021-09704-3","url":null,"abstract":"<div><div><p>It is shown that C<sub>4</sub>-C<sub>6</sub> hydrocarbons and magnetite with an average particle size of 43 nm are products of low-temperature hydrogenation of iron carbonate, which is formed in the process of CO<sub>2</sub> capturing by iron oxides at 250°C and high hydrogen pressure.</p></div></div>","PeriodicalId":796,"journal":{"name":"Theoretical and Experimental Chemistry","volume":null,"pages":null},"PeriodicalIF":1.0,"publicationDate":"2022-01-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"5041056","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Energy Storage Technologies Based on Electrochemical Double Layer Capacitors: A Review 基于电化学双层电容器的储能技术研究进展
IF 1 4区 化学
Theoretical and Experimental Chemistry Pub Date : 2022-01-24 DOI: 10.1007/s11237-021-09700-7
Y. A. Maletin, N. G. Stryzhakova, S. O. Zelinskyi, S. I. Chernukhin
{"title":"Energy Storage Technologies Based on Electrochemical Double Layer Capacitors: A Review","authors":"Y. A. Maletin,&nbsp;N. G. Stryzhakova,&nbsp;S. O. Zelinskyi,&nbsp;S. I. Chernukhin","doi":"10.1007/s11237-021-09700-7","DOIUrl":"10.1007/s11237-021-09700-7","url":null,"abstract":"<div><div><p>Modern design approaches to electric energy storage devices based on nanostructured electrode materials, in particular, electrochemical double layer capacitors (supercapacitors) and their hybrids with Li-ion batteries, are considered. It is shown that hybridization of both positive and negative electrodes and also an electrolyte increases energy density of an electrochemical system, thus, filling the gap between supercapacitors and batteries in terms of specific energy and power, as well as charge rate and the number of charge-discharge cycles.</p></div></div>","PeriodicalId":796,"journal":{"name":"Theoretical and Experimental Chemistry","volume":null,"pages":null},"PeriodicalIF":1.0,"publicationDate":"2022-01-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"4935634","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 4
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