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Überblick Inhalt: Chem. Eng. Technol. 6/2025 “简介：化学”。.密切Technol . 6/2025
IF 1.5 4区 工程技术
Chemie Ingenieur Technik Pub Date : 2025-06-11 DOI: 10.1002/cite.202570606
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引用次数: 0
Inhalt: Chem. Ing. Tech. 6/2025 内容:化学。荷兰国际集团(Ing)。6/2025技术。
IF 1.5 4区 工程技术
Chemie Ingenieur Technik Pub Date : 2025-06-11 DOI: 10.1002/cite.202570602
{"title":"Inhalt: Chem. Ing. Tech. 6/2025","authors":"","doi":"10.1002/cite.202570602","DOIUrl":"https://doi.org/10.1002/cite.202570602","url":null,"abstract":"","PeriodicalId":9912,"journal":{"name":"Chemie Ingenieur Technik","volume":"97 6","pages":"568-570"},"PeriodicalIF":1.5,"publicationDate":"2025-06-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/cite.202570602","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144256190","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Comparative Simulation of Axial and Radial Fixed-Bed Reactors for Dimethyl Oxalate Synthesis 轴向与径向固定床合成草酸二甲酯反应器的比较模拟
IF 1.5 4区 工程技术
Chemie Ingenieur Technik Pub Date : 2025-06-09 DOI: 10.1002/cite.12008
Zhengqi Jiao, Dr. Lihong Zhao, Dr. Xu Liang, Dr. Yuanli Jiang, Feidong Xie, Zhenfeng Liu, Jinjun Xie, Jiaomin Cai, Wei Zheng
{"title":"Comparative Simulation of Axial and Radial Fixed-Bed Reactors for Dimethyl Oxalate Synthesis","authors":"Zhengqi Jiao,&nbsp;Dr. Lihong Zhao,&nbsp;Dr. Xu Liang,&nbsp;Dr. Yuanli Jiang,&nbsp;Feidong Xie,&nbsp;Zhenfeng Liu,&nbsp;Jinjun Xie,&nbsp;Jiaomin Cai,&nbsp;Wei Zheng","doi":"10.1002/cite.12008","DOIUrl":"https://doi.org/10.1002/cite.12008","url":null,"abstract":"<p>The catalytic co-coupling of carbon monoxide and methyl nitrite to synthesize dimethyl oxalate (DMO) is a crucial step in the conversion of syngas to ethylene glycol. Recent advancements in numerical simulation methodologies substantially enhanced the potential for optimizing chemical production processes, thereby improving cost effectiveness and efficiency. Numerical simulation techniques were applied to model a shell-and-tube reactor and a radial reactor. The distributions of pressure, velocity, reaction, and temperature fields were analyzed for both reactor configurations under similar operating conditions. The findings indicate that the radial reactor has different advantages, including a smaller volume, a more uniform temperature distribution, and a lower pressure drop, highlighting its potential benefits in the DMO synthesis process.</p>","PeriodicalId":9912,"journal":{"name":"Chemie Ingenieur Technik","volume":"97 7","pages":"759-771"},"PeriodicalIF":1.5,"publicationDate":"2025-06-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144589874","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
Isoprene-Styrene Copolymers: Synthesis and Possible Use for Hydrogen Applications 异戊二烯-苯乙烯共聚物：合成和氢应用的可能用途
IF 1.5 4区 工程技术
Chemie Ingenieur Technik Pub Date : 2025-05-26 DOI: 10.1002/cite.12003
Maryam Moradi, Dr. Prokopios Georgopanos
{"title":"Isoprene-Styrene Copolymers: Synthesis and Possible Use for Hydrogen Applications","authors":"Maryam Moradi,&nbsp;Dr. Prokopios Georgopanos","doi":"10.1002/cite.12003","DOIUrl":"https://doi.org/10.1002/cite.12003","url":null,"abstract":"<p>The application of isoprene-styrene-based copolymers synthesized via surfactant-free controlled radical polymerization in the area of hydrogen research is presented. The polymers were synthesized in the laboratory and on a pilot scale and tested for their gas transport properties in correlation with the already known commercial poly(4-methyl-1-pentene). The results indicated that the new materials could have applications in terms of hydrogen applications due to the comparable permeability of hydrogen and, in some cases, increased selectivity of hydrogen over oxygen. Further future work will indicate how the new polymers will be utilized.</p>","PeriodicalId":9912,"journal":{"name":"Chemie Ingenieur Technik","volume":"97 7","pages":"710-713"},"PeriodicalIF":1.5,"publicationDate":"2025-05-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/cite.12003","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144589965","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Benefits and Challenges for Decentralized Use of Biomass as Feedstock for Chemicals 分散使用生物质作为化工原料的好处和挑战
IF 1.5 4区 工程技术
Chemie Ingenieur Technik Pub Date : 2025-05-26 DOI: 10.1002/cite.202500043
Jörn Viell, Stefan Theis, Ramona Götz, Alexandra Weber-Bernard, Alexander Walter Wilhelm Echtermeyer, Martin Lindmeyer
{"title":"Benefits and Challenges for Decentralized Use of Biomass as Feedstock for Chemicals","authors":"Jörn Viell,&nbsp;Stefan Theis,&nbsp;Ramona Götz,&nbsp;Alexandra Weber-Bernard,&nbsp;Alexander Walter Wilhelm Echtermeyer,&nbsp;Martin Lindmeyer","doi":"10.1002/cite.202500043","DOIUrl":"https://doi.org/10.1002/cite.202500043","url":null,"abstract":"<p>A systematic analysis of the decentral preconversion of lignocellulosic biomass to a chemical intermediate including technological, legal, and economic aspects is presented. A case study of levulinic acid production from 14 types of biomass shows average variations of +/− 15.5 % in yield obviously due to the properties of the raw materials. As high yield is a key for economic operation, this motivates preprocessing technologies tailored to the specific raw material. Technological, legal, and economic analyses show the prospect to establishing decentral preprocessing units. A comparison with central biorefineries demonstrates that economy of scale can be counterbalanced by cheaper feedstock cost and tailored feeding technology, which paves the way for a distributed sourcing of carbon for chemicals.</p>","PeriodicalId":9912,"journal":{"name":"Chemie Ingenieur Technik","volume":"97 6","pages":"642-651"},"PeriodicalIF":1.5,"publicationDate":"2025-05-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/cite.202500043","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144256491","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
CO2-Responsive Polymers for Membrane Applications: Synthesis and Adsorption Performance 膜用二氧化碳响应聚合物：合成和吸附性能
IF 1.5 4区 工程技术
Chemie Ingenieur Technik Pub Date : 2025-05-15 DOI: 10.1002/cite.202500056
Emil Pashayev, Dr. Prokopios Georgopanos
{"title":"CO2-Responsive Polymers for Membrane Applications: Synthesis and Adsorption Performance","authors":"Emil Pashayev,&nbsp;Dr. Prokopios Georgopanos","doi":"10.1002/cite.202500056","DOIUrl":"https://doi.org/10.1002/cite.202500056","url":null,"abstract":"<p>The pressing need to address climate change has driven research into novel CO<sub>2</sub> capture materials. Here, the synthesis of CO<sub>2</sub>-responsive diblock copolymers, i.e., poly(<i>N</i>-[3-(dimethylamino)propyl]-acrylamide)-<i>b</i>-poly(methyl methacrylate) (PDMAPAm-<i>b</i>-PMMA) through a two-step RAFT polymerization process, as well as the use of the synthesized diblock copolymer as a membrane for CO<sub>2</sub> capture were investigated. The resulting diblock copolymer features distinct segments with different properties. The PDMAPAm segment offers CO<sub>2</sub>-responsive characteristics, while the PMMA segment provides mechanical stability. The gas transport properties of the fabricated thin-film composite membrane composed of PDMAPAm-<i>b</i>-PMMA or PDMAPAm and polydimethylsiloxane with a gutter layer were measured and the CO<sub>2</sub> adsorption behavior of both PDMAPAm and PDMAPAm-<i>b</i>-PMMA was evaluated. The copolymer exhibits responsiveness to CO<sub>2</sub> and can be customized for use in the fabrication of membranes and membrane adsorbers for direct air capture technologies.</p>","PeriodicalId":9912,"journal":{"name":"Chemie Ingenieur Technik","volume":"97 7","pages":"703-709"},"PeriodicalIF":1.5,"publicationDate":"2025-05-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/cite.202500056","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144589933","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Green Ammonia as a Decentralized, Cross-Sector Energy Vector for the German Energy Transition 绿色氨作为德国能源转型的分散、跨部门能源载体
IF 1.5 4区 工程技术
Chemie Ingenieur Technik Pub Date : 2025-05-13 DOI: 10.1002/cite.202500020
Dr. Clara Maria Watermann, Dr. Tim Nitsche, Dr. Lénárd-István Csepei, Dr. Andreas Menne, Dr. Barbara Zeidler-Fandrich
{"title":"Green Ammonia as a Decentralized, Cross-Sector Energy Vector for the German Energy Transition","authors":"Dr. Clara Maria Watermann,&nbsp;Dr. Tim Nitsche,&nbsp;Dr. Lénárd-István Csepei,&nbsp;Dr. Andreas Menne,&nbsp;Dr. Barbara Zeidler-Fandrich","doi":"10.1002/cite.202500020","DOIUrl":"https://doi.org/10.1002/cite.202500020","url":null,"abstract":"<p>The significance of ammonia as a carbon-free energy carrier is increasing amid the energy transition, especially for long-distance transport. The Fraunhofer flagship project “AmmonVektor” combines the competence of eight Fraunhofer Institutes to develop innovative technologies for decentralized ammonia synthesis, utilization, and logistics. The aim is to establish ammonia as a key technology to enhance Germany's energy sovereignty. The research focuses on developing flexible ammonia synthesis processes and robust ammonia cracking technologies with energy-efficient reactor designs and economically competitive catalysts. Additionally, innovative business models are investigated. This research ensures a sustainable energy supply while supporting UN climate goals.</p>","PeriodicalId":9912,"journal":{"name":"Chemie Ingenieur Technik","volume":"97 6","pages":"599-607"},"PeriodicalIF":1.5,"publicationDate":"2025-05-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/cite.202500020","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144256115","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Ablagerungsbildung und ihre Minderung in der Membrandestillation zur Konzentrierung von Meerwasser Fouling and its Mitigation in Membrane Distillation for Seawater Brine Concentration 海水盐水浓缩的膜蒸馏中的沉积形成及其减轻
IF 1.5 4区 工程技术
Chemie Ingenieur Technik Pub Date : 2025-05-13 DOI: 10.1002/cite.202500049
Dr.-Ing. Sebastian Schilling, Dr.-Ing. Heike Glade
{"title":"Ablagerungsbildung und ihre Minderung in der Membrandestillation zur Konzentrierung von Meerwasser\u0000 Fouling and its Mitigation in Membrane Distillation for Seawater Brine Concentration","authors":"Dr.-Ing. Sebastian Schilling,&nbsp;Dr.-Ing. Heike Glade","doi":"10.1002/cite.202500049","DOIUrl":"https://doi.org/10.1002/cite.202500049","url":null,"abstract":"<p>Membrane distillation is considered a promising process for concentrating highly saline waters, particularly brine from seawater desalination plants or saline wastewater from industrial processes as part of the Zero Liquid Discharge strategy. A major challenge is crystallization fouling on the membrane surface. In this study, a process model was coupled with geochemical software to investigate local temperatures and concentrations as well as the local saturation indices of various salts in a large-scale membrane module during seawater brine concentration. Results from a laboratory-scale membrane distillation system show that the formation of calcium sulfate, following the deposition of calcium carbonate, leads to a significant decline in permeate flux. The use of antiscalants shifts crystallization fouling to higher concentration factors.</p>","PeriodicalId":9912,"journal":{"name":"Chemie Ingenieur Technik","volume":"97 7","pages":"689-696"},"PeriodicalIF":1.5,"publicationDate":"2025-05-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/cite.202500049","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144589685","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Measurement of Dissolved Gas Content in a Hydrocarbon-Based Liquid Using Gas Chromatography 用气相色谱法测定烃基液体中溶解气体的含量
IF 1.5 4区 工程技术
Chemie Ingenieur Technik Pub Date : 2025-05-13 DOI: 10.1002/cite.202400146
Franziska Koch, Erik Frense, Dr.-Ing. Frank Rüdiger, Dr.-Ing. Karin Rühling
{"title":"Measurement of Dissolved Gas Content in a Hydrocarbon-Based Liquid Using Gas Chromatography","authors":"Franziska Koch,&nbsp;Erik Frense,&nbsp;Dr.-Ing. Frank Rüdiger,&nbsp;Dr.-Ing. Karin Rühling","doi":"10.1002/cite.202400146","DOIUrl":"https://doi.org/10.1002/cite.202400146","url":null,"abstract":"<p>The content of dissolved gases in a working liquid can influence outgassing and system properties. A method is presented for determining the dissolved gas content of oxygen, nitrogen, and carbon dioxide in a hydrocarbon-based liquid using gas chromatography. The sampling facility and routine is presented. Various factors influence the gas content such as the sampling position, the preheating time, and the constancy of liquid temperature. Reaching equilibrium between dissolved gases and atmospheric gases is a slow process, requiring sufficient heating and stirring.</p>","PeriodicalId":9912,"journal":{"name":"Chemie Ingenieur Technik","volume":"97 7","pages":"740-746"},"PeriodicalIF":1.5,"publicationDate":"2025-05-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/cite.202400146","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144589763","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A Framework for the Development of Soft Sensors for Process Plants 过程装置软传感器的开发框架
IF 1.5 4区 工程技术
Chemie Ingenieur Technik Pub Date : 2025-05-13 DOI: 10.1002/cite.202500012
Mathias Vorbröcker, Sven Schiffner, Marcus Kögler
{"title":"A Framework for the Development of Soft Sensors for Process Plants","authors":"Mathias Vorbröcker,&nbsp;Sven Schiffner,&nbsp;Marcus Kögler","doi":"10.1002/cite.202500012","DOIUrl":"https://doi.org/10.1002/cite.202500012","url":null,"abstract":"<p>By monitoring sensors, problematic system states in process engineering plants and production lines can be detected and corrected before significant damage occurs. Soft sensors as a combination of data analysis and digitalization are tailored to a specific application. During their development, large amounts of time series data from sensors are therefore analyzed, interpreted in consultation with the plant operators, and applied as the basis for the design of data processing methods using digital models, which form the core of soft sensors. The framework presented here is employed in development processes to make the research, development, and integration of soft sensors into operational and technical processes more effective and efficient.</p>","PeriodicalId":9912,"journal":{"name":"Chemie Ingenieur Technik","volume":"97 6","pages":"618-624"},"PeriodicalIF":1.5,"publicationDate":"2025-05-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/cite.202500012","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144256117","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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