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Investigation of biostability of fabrics with ZnO nanocoating in tropical climates ZnO纳米涂层织物在热带气候下的生物稳定性研究
Chemical Engineering Pub Date : 2023-01-01 DOI: 10.31044/1684-5811-2023-24-1-2-7
V. A. Karpov, Yu. L. Kovalchuk, K. A. Komarova, T.A. Semenova, V.O. Abramov, A. Abramova, V. Bayazitov, YU. I. Voytov
{"title":"Investigation of biostability of fabrics with ZnO nanocoating in tropical climates","authors":"V. A. Karpov, Yu. L. Kovalchuk, K. A. Komarova, T.A. Semenova, V.O. Abramov, A. Abramova, V. Bayazitov, YU. I. Voytov","doi":"10.31044/1684-5811-2023-24-1-2-7","DOIUrl":"https://doi.org/10.31044/1684-5811-2023-24-1-2-7","url":null,"abstract":"В лабораторных и натурных условиях тропического климата Вьетнама (г. Ханой, КИС Хоа Лак) на микологической площадке исследовали стойкость образцов ткани с нанопокрытием ZnO к воздействию плесневых грибов. Нанопокрытие ZnO производилось на опытно-промышленной установке с использованием золь-гель метода под воздействием мощного ультразвука с частотой 19,1 кГц. Лабораторные испытания показали высокую биостойкость тканей с нанопокрытием ZnO по сравнению с контрольным образцом. В тропических условиях на протяжении 24 месяцев на образцах ткани с пропиткой не выявлен рост грибов и разрушение структуры ткани.","PeriodicalId":9863,"journal":{"name":"Chemical Engineering","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86943089","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Determination of dynamic viscosity of composite fabrics based on thermoset cast polyurethane 热固性铸造聚氨酯复合织物动态粘度的测定
Chemical Engineering Pub Date : 2022-12-22 DOI: 10.31044/1684-5811-2022-23-12-502-506
R. A. Alehina, A. Dorohov, Y. Goncharova, A. Sviridov, S. Tuzhilin
{"title":"Determination of dynamic viscosity of composite fabrics based on thermoset cast polyurethane","authors":"R. A. Alehina, A. Dorohov, Y. Goncharova, A. Sviridov, S. Tuzhilin","doi":"10.31044/1684-5811-2022-23-12-502-506","DOIUrl":"https://doi.org/10.31044/1684-5811-2022-23-12-502-506","url":null,"abstract":"The studies of the dynamic viscosity of compositions based on a two-component polyurethane compound with fillers in the form of shungite, talc and basalt fiber in an amount of 3% vol. and adding an organic solvent of dichloromethane in an amount of 10% wt. are described. According to the study results, it has been found out that the most rational compositions for molding into elastic molds are those that contain shungite and talc as fillers.","PeriodicalId":9863,"journal":{"name":"Chemical Engineering","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2022-12-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74256438","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Technology of polymer and composite materials 高分子及复合材料技术
Chemical Engineering Pub Date : 2022-07-01 DOI: 10.31044/1684-5811-2022-23-7-310-316
S. A. Orlova, T. V. Khokhlova, O. Tuzhikov, O. O. Tuzhikov, I. V. Lavnikova
{"title":"Technology of polymer and composite materials","authors":"S. A. Orlova, T. V. Khokhlova, O. Tuzhikov, O. O. Tuzhikov, I. V. Lavnikova","doi":"10.31044/1684-5811-2022-23-7-310-316","DOIUrl":"https://doi.org/10.31044/1684-5811-2022-23-7-310-316","url":null,"abstract":"","PeriodicalId":9863,"journal":{"name":"Chemical Engineering","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2022-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88325057","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Effects of alkaline etching sludge on technical parameters and phase composition of composite acid-resistant ceramics 碱性蚀刻污泥对复合耐酸陶瓷工艺参数和相组成的影响
Chemical Engineering Pub Date : 2022-06-01 DOI: 10.31044/1684-5811
V. Abdrakhimov, E. Abdrakhimova
{"title":"Effects of alkaline etching sludge on technical parameters and phase composition of composite acid-resistant ceramics","authors":"V. Abdrakhimov, E. Abdrakhimova","doi":"10.31044/1684-5811","DOIUrl":"https://doi.org/10.31044/1684-5811","url":null,"abstract":"Chemical engineers use knowledge of how nature works (science) and the language of science (mathematics) to create value and solve difficult problems for the benefit of society. The key skill that differentiates chemical engineering from other disciplines is the ability to understand, design and operate transformation (physical or chemical) processes. Chemical engineers literally change (transform) the world. Many in the public assume chemical engineers work only in chemical plants and petroleum refineries. The reality is that chemical engineers work in a broad range of industries including pharmaceuticals, biochemicals, semiconductor materials, foods, plastics, paper, steel, consumer goods, automotive, specialty materials, oil & gas production, renewable energy, engineering services, and the list goes on. Key to providing a benefit to society, chemical engineers are responsible for resource conservation, minimizing pollution, minimizing costs, and maximizing quality and safety of processes that make the products.","PeriodicalId":9863,"journal":{"name":"Chemical Engineering","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2022-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74530742","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Химико-металлургические процессы глубокой переработки рудного, техногенного и вторичного сырья 矿石、技术和次生原料深度加工过程
Chemical Engineering Pub Date : 2022-05-01 DOI: 10.31044/1684-5811-2022-23-5-217-225
V.Z. Abdrakhimov, Elena Abdrakhimov
{"title":"Химико-металлургические процессы глубокой переработки рудного, техногенного и вторичного сырья","authors":"V.Z. Abdrakhimov, Elena Abdrakhimov","doi":"10.31044/1684-5811-2022-23-5-217-225","DOIUrl":"https://doi.org/10.31044/1684-5811-2022-23-5-217-225","url":null,"abstract":"Проведенные исследования показали, что при содержании А12О3 < 20% в необогащенной каолиновой глине невозможно из нее получить кислотоупорный материал даже при температуре обжига 1300 °C, но введение в такую керамическую массу оптимального количества шамота (40%) при аналогичной температуре обжига уже позволяет получить кислотоупорную плитку. Введение в составы керамических масс алюмосодержащего (Al2O3 > 70%) шлака от производства металлического хрома позволяет уже при температуре обжига 1250 °C получить кислотоупорные материалы с высокими физико-механическими и химическими показателями. Использование алюмосодержащего шлака от производства металлического хрома при температуре обжига 1300 °C способствует образованию муллита и корунда, которые в основном формируют повышенные эксплуатационные свойства кислотоупорных изделий. Кроме того, использование исследуемого шлака с повышенным содержанием оксида хрома (Cr2O3 = 8,5%) способствует появлению на рентгенограмме сесквиоксида, который по структуре аналогичен корунду, не реагирует с растворами щелочей, не растворим в воде, растворяется только в сильных кислотах и при длительном нагревании Сr2О3 является огнеупорным (температура плавления 2435 °C) и очень твердым минералом.","PeriodicalId":9863,"journal":{"name":"Chemical Engineering","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2022-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85953688","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
On operation of system of mixing-settling extractors in modes of chromatography and loose liquid membranes 色谱-松散液膜混合沉降萃取系统的运行
Chemical Engineering Pub Date : 2022-01-01 DOI: 10.31044/1684-5811-2022-22-1-30-36
A. Kostanyan, N. A. Milevskiy, Y.A. Klychevskikh, A. G. Apostolov, D. Yankov, A. A. Voshkin
{"title":"On operation of system of mixing-settling extractors in modes of chromatography and loose liquid membranes","authors":"A. Kostanyan, N. A. Milevskiy, Y.A. Klychevskikh, A. G. Apostolov, D. Yankov, A. A. Voshkin","doi":"10.31044/1684-5811-2022-22-1-30-36","DOIUrl":"https://doi.org/10.31044/1684-5811-2022-22-1-30-36","url":null,"abstract":"","PeriodicalId":9863,"journal":{"name":"Chemical Engineering","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88629091","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Interaction of active dyes with tetraalkylammonium halides in aqueous solutions 水溶液中活性染料与四烷基卤化铵的相互作用
Chemical Engineering Pub Date : 2022-01-01 DOI: 10.31044/1684-5811-2022-23-1-17-22
A. Mikhailovskaya, I. Elokhin, I.A Masel
{"title":"Interaction of active dyes with tetraalkylammonium halides in aqueous solutions","authors":"A. Mikhailovskaya, I. Elokhin, I.A Masel","doi":"10.31044/1684-5811-2022-23-1-17-22","DOIUrl":"https://doi.org/10.31044/1684-5811-2022-23-1-17-22","url":null,"abstract":"Представлены результаты спектроскопических исследований межмолекулярного взаимодействия активных красителей монохлортриазинового и винилсульфонового типов с катионными поверхностно-активными веществами на основе четвертичных аммониевых солей в водных растворах. Ключевые слова: активные красители, четвертичные аммониевые соли, спектроскопия, агрегация","PeriodicalId":9863,"journal":{"name":"Chemical Engineering","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80648854","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
New approach to use of domestic flaxseed raw materials 国产亚麻籽原料利用的新途径
Chemical Engineering Pub Date : 2022-01-01 DOI: 10.31044/1684-5811-2022-23-6-250-260
N. S. Dymnikova, E. Erokhina, A. P. Moryganov
{"title":"New approach to use of domestic flaxseed raw materials","authors":"N. S. Dymnikova, E. Erokhina, A. P. Moryganov","doi":"10.31044/1684-5811-2022-23-6-250-260","DOIUrl":"https://doi.org/10.31044/1684-5811-2022-23-6-250-260","url":null,"abstract":"The conditions for obtaining stable metallic silver hydrosols in the presence of flax fiber extracts have been studied by the method of «green chemistry» and the possibility of using synthesized sols to provide cellulose-containing materials with antimicrobial activity or biosecurity has been proved. The process of synthesis of ultrafine silver particles in the presence of concomitant natural impurities of flax fibers isolated from them during alkaline high-temperature treatment was studied by spectrophotometry, photon correlation spectroscopy and visual observation. The effect of the extract composition on dynamics of the formation of stable silver nanoparticles was determined. IR spectroscopy and potentiometric titration methods proved that an increase in the alkalinity of a cooking solution led not only to an increase in the amount of impurities in the solution, but also to their destruction, and the complex of reducing substances formed in the solution could act as a silver ion reducing agent even at a low extraction temperature. It was proven that antimicrobial activity against test cultures of synthesized sols and cellulose tissue treated with them depended on the conditions of synthesis.","PeriodicalId":9863,"journal":{"name":"Chemical Engineering","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84397018","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
ON ADDITIVITY OF SEPARATE IRRADIATION OF SOLAR SPECTRUM QUANTA AND AFTER PRELIMINARY IRRADIATION WITH PROTONS ON OPTICAL PROPERTIES OF BASO4 POWDER MODIFIED WITH SIO2 NANOPARTICLES 太阳光谱量子单独辐照和质子初照射对sio2纳米粒子修饰baso4粉体光学性质的可加性
Chemical Engineering Pub Date : 2022-01-01 DOI: 10.31044/1684-5811-2022-23-7-297-304
M. Mikhailov, A. N. Lapin, S. A. Yuryev
{"title":"ON ADDITIVITY OF SEPARATE IRRADIATION OF SOLAR SPECTRUM QUANTA AND AFTER PRELIMINARY IRRADIATION WITH PROTONS ON OPTICAL PROPERTIES OF BASO4 POWDER MODIFIED WITH SIO2 NANOPARTICLES","authors":"M. Mikhailov, A. N. Lapin, S. A. Yuryev","doi":"10.31044/1684-5811-2022-23-7-297-304","DOIUrl":"https://doi.org/10.31044/1684-5811-2022-23-7-297-304","url":null,"abstract":"","PeriodicalId":9863,"journal":{"name":"Chemical Engineering","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83769796","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Investigation of the dihydrate stage of extraction phosphoric acid production by dihydrate-hemihydrate method from poor phosphorites 二水-半水法从贫磷矿石中提取磷酸的二水阶段研究
Chemical Engineering Pub Date : 2022-01-01 DOI: 10.31044/1684-5811-2022-23-1-10-16
I. Soboleva, S. E. Liashenko
{"title":"Investigation of the dihydrate stage of extraction phosphoric acid production by dihydrate-hemihydrate method from poor phosphorites","authors":"I. Soboleva, S. E. Liashenko","doi":"10.31044/1684-5811-2022-23-1-10-16","DOIUrl":"https://doi.org/10.31044/1684-5811-2022-23-1-10-16","url":null,"abstract":"The first stage for the process of phosphoric acid production by dihydrate- hemihydrate method from poor phosphorites was investigated. Experiments on the dihydrate stage kinetics were carried out. Mathematical model was developed based on the process kinetics. The dihydrate stage of phosphoric acid production was optimized. A software package was developed to determine sulfuric acid dissolution efficiency and the solid phase crystallization under different temperatures and concentration conditions.","PeriodicalId":9863,"journal":{"name":"Chemical Engineering","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90107383","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
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