发布求助
文献互助 智能选刊 最新文献

Theoretical Foundations of Chemical Engineering最新文献

筛选
英文 中文
Heat Resistance of Coatings Based on Epoxy Oligomer Emulsion and Mineral Compounds with Hydraulic Properties or the Ability to Polymerize 具有水力性能或聚合能力的环氧低聚物乳液和矿物化合物涂料的耐热性
IF 0.6 4区 工程技术
Theoretical Foundations of Chemical Engineering Pub Date : 2025-06-27 DOI: 10.1134/S0040579525700149
V. D. Koshevar
{"title":"Heat Resistance of Coatings Based on Epoxy Oligomer Emulsion and Mineral Compounds with Hydraulic Properties or the Ability to Polymerize","authors":"V. D. Koshevar","doi":"10.1134/S0040579525700149","DOIUrl":"10.1134/S0040579525700149","url":null,"abstract":"<div><p>It is established that in the presence of mineral additives introduced into an aqueous emulsion of an epoxy oligomer, the process of its oxidative destruction begins at higher temperatures (by 100–200°C) and proceeds significantly more slowly. After the complete combustion of the organic products of thermal decomposition and the thermal transformations of the mineral additives (Portland cement, tetracalcium phosphate, sodium and zinc dihydrophosphates, silicates) at temperatures of 700–800°C, thin films are formed on the surface of the substrates, which are resistant to temperatures of 1000–1200°C.</p></div>","PeriodicalId":798,"journal":{"name":"Theoretical Foundations of Chemical Engineering","volume":"59 1","pages":"70 - 76"},"PeriodicalIF":0.6,"publicationDate":"2025-06-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145145536","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Degradation Mechanism of Magnesium–Calcium Alloy in Physiological Solutions 镁钙合金在生理溶液中的降解机理
IF 0.6 4区 工程技术
Theoretical Foundations of Chemical Engineering Pub Date : 2025-06-27 DOI: 10.1134/S0040579525700071
A. S. Gnedenkov, S. L. Sinebryukhov, V. S. Filonina, S. V. Gnedenkov
{"title":"Degradation Mechanism of Magnesium–Calcium Alloy in Physiological Solutions","authors":"A. S. Gnedenkov,&nbsp;S. L. Sinebryukhov,&nbsp;V. S. Filonina,&nbsp;S. V. Gnedenkov","doi":"10.1134/S0040579525700071","DOIUrl":"10.1134/S0040579525700071","url":null,"abstract":"<div><p>The determining influence of the microstructure elements of the Mg–Ca alloy on the general trend of its corrosion degradation is demonstrated. The obtained results indicate lower corrosion activity of the Mg–0.8Ca alloy sample in the mammalian cell culture medium compared to a 0.9% NaCl solution. The effect of the corrosion products formed on the surface of the material on its degradation rate is evaluated. The mechanism of alloy bioresorption in vitro is established.</p></div>","PeriodicalId":798,"journal":{"name":"Theoretical Foundations of Chemical Engineering","volume":"59 1","pages":"33 - 41"},"PeriodicalIF":0.6,"publicationDate":"2025-06-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145145031","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Problems of Chemical Technology of Eudialyte and Ways to Solve Them 透析液化学工艺存在的问题及解决途径
IF 0.6 4区 工程技术
Theoretical Foundations of Chemical Engineering Pub Date : 2025-06-27 DOI: 10.1134/S004057952570023X
A. V. Nechaev, E. G. Polyakov
{"title":"Problems of Chemical Technology of Eudialyte and Ways to Solve Them","authors":"A. V. Nechaev,&nbsp;E. G. Polyakov","doi":"10.1134/S004057952570023X","DOIUrl":"10.1134/S004057952570023X","url":null,"abstract":"<div><p>Trends in the global rare-earth metal (REM) market and conformance of the domestic manufacture and its mineral resource base to them are considered. The relevance of the eudialyte from the Lovozerskii deposit in overcoming Russia’s backwardness in this field is shown. Challenges with the use of eudialyte in industry are discussed. Approaches to overcoming these problems are analyzed.</p></div>","PeriodicalId":798,"journal":{"name":"Theoretical Foundations of Chemical Engineering","volume":"59 1","pages":"125 - 132"},"PeriodicalIF":0.6,"publicationDate":"2025-06-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145145484","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Phase Equilibrium Study in Sections of the Potassium Chloride–Glycerol–Water System at Subzero Temperatures 低温下氯化钾-甘油-水体系部分相平衡研究
IF 0.6 4区 工程技术
Theoretical Foundations of Chemical Engineering Pub Date : 2025-06-27 DOI: 10.1134/S0040579525700101
E. A. Frolova, D. F. Kondakov
{"title":"Phase Equilibrium Study in Sections of the Potassium Chloride–Glycerol–Water System at Subzero Temperatures","authors":"E. A. Frolova,&nbsp;D. F. Kondakov","doi":"10.1134/S0040579525700101","DOIUrl":"10.1134/S0040579525700101","url":null,"abstract":"<p>Phase equilibria in sections of the potassium chloride–glycerol–water system with a potassium chloride to glycerol ratio ranging from 3 : 1 to 1 : 3 were studied at subzero temperatures. The introduction of glycerol into the potassium chloride–water system was found to enable the formation of anti-icing compositions effective at temperatures as low as –12°C, with satisfactory ice-melting capacity.</p>","PeriodicalId":798,"journal":{"name":"Theoretical Foundations of Chemical Engineering","volume":"59 1","pages":"53 - 55"},"PeriodicalIF":0.6,"publicationDate":"2025-06-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145145487","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Chemical and Mineral Composition of Syenite of the Tagil Massif 塔吉尔地块正长岩的化学和矿物组成
IF 0.6 4区 工程技术
Theoretical Foundations of Chemical Engineering Pub Date : 2025-06-27 DOI: 10.1134/S0040579525700228
E. N. Pechenkina, V. A. Krenev, S. V. Fomichev, E. I. Berbekova, D. F. Kondakov
{"title":"Chemical and Mineral Composition of Syenite of the Tagil Massif","authors":"E. N. Pechenkina,&nbsp;V. A. Krenev,&nbsp;S. V. Fomichev,&nbsp;E. I. Berbekova,&nbsp;D. F. Kondakov","doi":"10.1134/S0040579525700228","DOIUrl":"10.1134/S0040579525700228","url":null,"abstract":"<div><p>The mineral composition of syenite from the Tagil massif was determined using computer physicochemical modeling. The effect of temperature and composition of the gas medium during heating of the rock on its mineral composition was studied. The data obtained make it possible to propose methods for modifying the mineral composition of the rock to improve its technological characteristics in using as a nonmetallic raw material.</p></div>","PeriodicalId":798,"journal":{"name":"Theoretical Foundations of Chemical Engineering","volume":"59 1","pages":"120 - 124"},"PeriodicalIF":0.6,"publicationDate":"2025-06-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145145488","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Mineral Composition of a Ceramic Sample Based on Clay and Dearsenification Cake 黏土与脱砷饼陶瓷样品的矿物组成
IF 0.6 4区 工程技术
Theoretical Foundations of Chemical Engineering Pub Date : 2025-06-27 DOI: 10.1134/S0040579525700277
N. I. Kopylov, M. O. Moldurushku
{"title":"Mineral Composition of a Ceramic Sample Based on Clay and Dearsenification Cake","authors":"N. I. Kopylov,&nbsp;M. O. Moldurushku","doi":"10.1134/S0040579525700277","DOIUrl":"10.1134/S0040579525700277","url":null,"abstract":"<p>A ceramic material was obtained based on a mixture of Krasnoyarsk clay and dearsenization cake from the sludge dumps of the Tuvacobalt Mining and Processing Plant. As a result of firing at 850°C, a new phase—nepheline—formed in the ceramic sample containing clay and cake. The composition of the ceramic sample also includes quartz and plagioclase (albite) phases. The ceramic sample based on Krasnoyarsk clay and dearsenization cake, fired at 850°C, exhibits sufficiently high strength, reaching 37.4 MPa.</p>","PeriodicalId":798,"journal":{"name":"Theoretical Foundations of Chemical Engineering","volume":"59 1","pages":"151 - 155"},"PeriodicalIF":0.6,"publicationDate":"2025-06-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145145489","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Synthesis and Anti-Icing Properties of Urea–Glycerin–Water Compositions 尿素-甘油-水组合物的合成及其防冰性能
IF 0.6 4区 工程技术
Theoretical Foundations of Chemical Engineering Pub Date : 2025-06-27 DOI: 10.1134/S0040579525700058
E. A. Frolova, D. F. Kondakov, V. P. Danilov
{"title":"Synthesis and Anti-Icing Properties of Urea–Glycerin–Water Compositions","authors":"E. A. Frolova,&nbsp;D. F. Kondakov,&nbsp;V. P. Danilov","doi":"10.1134/S0040579525700058","DOIUrl":"10.1134/S0040579525700058","url":null,"abstract":"<div><p>The visual–polythermal analysis method is used to study phase equilibria in sections of the urea–glycerol–water system at temperatures from 0 to –47°C. The ratio of urea to glycerol in the sections varies from 3 : 1 to 1 : 3. Compositions are identified that form low-temperature eutectics with ice, with good melting capacity with respect to ice, promising as a basis for new anti-icing reagents.</p></div>","PeriodicalId":798,"journal":{"name":"Theoretical Foundations of Chemical Engineering","volume":"59 1","pages":"24 - 26"},"PeriodicalIF":0.6,"publicationDate":"2025-06-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145142051","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Using Complex Columns with a Side Section and Side Withdrawal in Extractive Distillation of Methyl Acetate–Chloroform Mixtures of Different Compositions 在不同成分乙酸甲酯-氯仿混合物的萃取精馏中，采用带侧切和侧提取的复杂色谱柱
IF 0.6 4区 工程技术
Theoretical Foundations of Chemical Engineering Pub Date : 2025-06-27 DOI: 10.1134/S0040579525700393
D. A. Ramochnikov, E. A. Anokhina, A. V. Saunina, A. V. Timoshenko
{"title":"Using Complex Columns with a Side Section and Side Withdrawal in Extractive Distillation of Methyl Acetate–Chloroform Mixtures of Different Compositions","authors":"D. A. Ramochnikov,&nbsp;E. A. Anokhina,&nbsp;A. V. Saunina,&nbsp;A. V. Timoshenko","doi":"10.1134/S0040579525700393","DOIUrl":"10.1134/S0040579525700393","url":null,"abstract":"<div><p>The efficiency of using complex columns with a side section (SS) and side withdrawal (SW) in extractive distillation (ED) of methyl acetate–chloroform mixtures of three different compositions was studied. The optimal (according to the criterion of the total energy consumption in the column boilers) parameters of the conventional two-column scheme of extractive distillation, a complex column with a rectifying side section, and a scheme including a column with side withdrawal were determined. The energy efficiency of the columns with a side section and side withdrawal was found to be almost independent of the mixture composition. Both technological solutions provide almost the same (~30%) reduction of energy consumption in the column boilers compared to the conventional scheme, but the number of plates in the scheme including a complex column with side withdrawal is 30% larger than in the complex column with a side section. At the same total number of plates in the columns of all schemes, the energy saving due to the use of the column with side withdrawal is only 10–13%.</p></div>","PeriodicalId":798,"journal":{"name":"Theoretical Foundations of Chemical Engineering","volume":"59 1","pages":"225 - 231"},"PeriodicalIF":0.6,"publicationDate":"2025-06-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145145029","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Trapping of Volatile Fission Products by Modular Cellular Ceramic Contact Elements with an Applied Active Layer of Calcium Oxide 应用氧化钙活性层的模胞陶瓷接触元件捕获挥发性裂变产物
IF 0.6 4区 工程技术
Theoretical Foundations of Chemical Engineering Pub Date : 2025-06-27 DOI: 10.1134/S0040579525700332
M. D. Gasparyan, V. N. Grunskii, O. Yu. Sal’nikova, Yu. S. Mochalov, L. P. Sukhanov, S. V. Tishchenko
{"title":"Trapping of Volatile Fission Products by Modular Cellular Ceramic Contact Elements with an Applied Active Layer of Calcium Oxide","authors":"M. D. Gasparyan,&nbsp;V. N. Grunskii,&nbsp;O. Yu. Sal’nikova,&nbsp;Yu. S. Mochalov,&nbsp;L. P. Sukhanov,&nbsp;S. V. Tishchenko","doi":"10.1134/S0040579525700332","DOIUrl":"10.1134/S0040579525700332","url":null,"abstract":"<div><p>A technology was proposed for the synthesis of highly porous modular cellular ceramic contact elements with an applied active layer of ultrafine calcium oxide powder for trapping some volatile fission products of nuclear fuel. The efficiency of trapping molybdenum, tellurium, and ruthenium in the form of vapors of their oxides was investigated. High-temperature chemisorption products were identified, and the dynamic sorption capacity of the contact elements was determined.</p></div>","PeriodicalId":798,"journal":{"name":"Theoretical Foundations of Chemical Engineering","volume":"59 1","pages":"189 - 196"},"PeriodicalIF":0.6,"publicationDate":"2025-06-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145145071","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Coagulating Action of Homo- and Copolymers Based on Acrylamide in the Extraction of Butadiene–Styrene Rubber from Latex 基于丙烯酰胺的共聚物和同源共聚物在从乳胶中提取丁二烯-苯乙烯橡胶中的混凝作用
IF 0.6 4区 工程技术
Theoretical Foundations of Chemical Engineering Pub Date : 2025-06-27 DOI: 10.1134/S0040579525700174
E. V. Churilina, S. S. Nikulin, G. V. Shatalov, K. K. Nikitin
{"title":"Coagulating Action of Homo- and Copolymers Based on Acrylamide in the Extraction of Butadiene–Styrene Rubber from Latex","authors":"E. V. Churilina,&nbsp;S. S. Nikulin,&nbsp;G. V. Shatalov,&nbsp;K. K. Nikitin","doi":"10.1134/S0040579525700174","DOIUrl":"10.1134/S0040579525700174","url":null,"abstract":"<div><p>The possibility of using copolymers of <i>N</i>,<i>N</i>-diallyl-<i>N</i>,<i>N</i>-dimethylammonium chloride with acrylamide and polyacrylamides, characterized by high efficiency in coagulating action, is demonstrated in the technology for extracting butadiene–styrene rubber from latexes. The influence of the consumption of these polymers, the acidifying agents, the concentration of the dispersed phase, and the temperature on the completeness of rubber extraction is studied.</p></div>","PeriodicalId":798,"journal":{"name":"Theoretical Foundations of Chemical Engineering","volume":"59 1","pages":"90 - 94"},"PeriodicalIF":0.6,"publicationDate":"2025-06-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145145496","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
首页 上一页 下一页 尾页
0
×
引用
GB/T 7714-2015
复制
MLA
复制
APA
复制
导出至
BibTeX EndNote RefMan NoteFirst NoteExpress
×
提示
您的信息不完整，为了账户安全，请先补充。
现在去补充
×
提示
您因"违规操作"
具体请查看互助需知
我知道了
×
提示
现在去查看 取消
×
提示
确定
请完成安全验证×
相关产品
×
本文献相关产品
联系我们：info@booksci.cn Book学术提供免费学术资源搜索服务，方便国内外学者检索中英文文献。致力于提供最便捷和优质的服务体验。 Copyright © 2023 布克学术 All rights reserved.
京ICP备2023020795号-1
ghs 京公网安备 11010802042870号
Book学术文献互助
Book学术文献互助群
群 号：604180095
Book学术官方微信