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Bridging Homogeneously and Heterogeneously Catalyzed Higher-Alcohol Synthesis via Cobalt-Based Catalysts 通过钴基催化剂衔接均相催化和异相催化的高醇类合成反应
IF 1.5 4区 工程技术
Chemie Ingenieur Technik Pub Date : 2024-06-14 DOI: 10.1002/cite.202400017
Dr. Pascal Telaar, Patrick Diehl, Prof. Dr. Martin Muhler
{"title":"Bridging Homogeneously and Heterogeneously Catalyzed Higher-Alcohol Synthesis via Cobalt-Based Catalysts","authors":"Dr. Pascal Telaar,&nbsp;Patrick Diehl,&nbsp;Prof. Dr. Martin Muhler","doi":"10.1002/cite.202400017","DOIUrl":"10.1002/cite.202400017","url":null,"abstract":"<p>Industrial implementation of the heterogeneously catalyzed CO hydrogenation to higher alcohols is highly desired, but deeper insights into the reaction mechanisms and active sites are still needed. This review summarizes the established and well-investigated cobalt-based catalysts and the mechanisms resulting in oxygenate formation. Recently, a cobalt-based system derived from Mn-Co-based Prussian blue analogs by pyrolysis has shown great potential for higher-alcohol synthesis. In addition to the heterogeneously catalyzed reaction pathways involved in Fischer-Tropsch synthesis and methanol synthesis, the homogeneously catalyzed reaction pathways like reductive olefin hydroformylation and reductive primary alcohol carbonylation were found to play a key role.</p>","PeriodicalId":9912,"journal":{"name":"Chemie Ingenieur Technik","volume":null,"pages":null},"PeriodicalIF":1.5,"publicationDate":"2024-06-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/cite.202400017","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141343116","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
Challenges in the Recycling of Battery Casing Materials 回收电池外壳材料面临的挑战
IF 1.5 4区 工程技术
Chemie Ingenieur Technik Pub Date : 2024-06-14 DOI: 10.1002/cite.202300134
Malena Staudacher, Tony Lyon, Urs Peuker
{"title":"Challenges in the Recycling of Battery Casing Materials","authors":"Malena Staudacher,&nbsp;Tony Lyon,&nbsp;Urs Peuker","doi":"10.1002/cite.202300134","DOIUrl":"10.1002/cite.202300134","url":null,"abstract":"<p>Current recycling methods for the very popular lithium-ion batteries (LIBs) focus mainly on recovering valuable metals such as cobalt and nickel for economic reasons. The cell casing components, which are mainly made of aluminum, can make a significant contribution to achieving political recycling targets. Mechanical processes are used to separate the casing components from the overall LIB material stream. The aluminum, copper, steel, and plastic components are then further concentrated into various potential products by, e.g., magnetic separation, eddy current separation, and air classification. Considering the benefits of additional stress to compact the metal parts, the knowledge gained from the individual sorting steps can be combined to form a process flow chart.</p>","PeriodicalId":9912,"journal":{"name":"Chemie Ingenieur Technik","volume":null,"pages":null},"PeriodicalIF":1.5,"publicationDate":"2024-06-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/cite.202300134","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141338336","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
Aspekte der Energiewende. Teil 1: Einfluss der Weibull-Windgeschwindigkeitsverteilung auf die Kosten von PTX-Produkten Aspects of the Energy Transition. Part 1: Influence of the Weibull Wind Speed Distribution on the Costs of PTX Products 能源转型的各个方面。第 1 部分：Weibull 风速分布对 PTX 产品成本的影响
IF 1.5 4区 工程技术
Chemie Ingenieur Technik Pub Date : 2024-06-14 DOI: 10.1002/cite.202300196
Dr. Otto Machhammer, Dr. Ingo Janisch
{"title":"Aspekte der Energiewende. Teil 1: Einfluss der Weibull-Windgeschwindigkeitsverteilung auf die Kosten von PTX-Produkten\u0000 Aspects of the Energy Transition. Part 1: Influence of the Weibull Wind Speed Distribution on the Costs of PTX Products","authors":"Dr. Otto Machhammer,&nbsp;Dr. Ingo Janisch","doi":"10.1002/cite.202300196","DOIUrl":"10.1002/cite.202300196","url":null,"abstract":"<p>A calculation method for optimizing the LCOE and the cost of subsequent PTX production from wind power is presented, based on Weibull parameters and cost functions. The PTX products methanol, ammonia and synthetic diesel are considered, as well as hydrogen, which is converted into an easily transportable form by hydrogenation of a liquid organic hydrogen carrier (LOHC). Haru-Oni in Chile and Tarfaya in Morocco were chosen as examples of production sites with excellent wind conditions. These are compared with three domestic sites with very good to very moderate wind conditions in the order Dornum (North German coast), Senftenberg (Lausitz) and Ludwigshafen (Rhine Graben).</p>","PeriodicalId":9912,"journal":{"name":"Chemie Ingenieur Technik","volume":null,"pages":null},"PeriodicalIF":1.5,"publicationDate":"2024-06-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141339056","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
Does Direct Dimethyl Ether Synthesis from Carbon Dioxide and Hydrogen Yield More Valuable Products than the Equivalent Methanol Production? A Review on Recent Work 二氧化碳和氢气直接合成二甲醚是否比等量生产甲醇得到更有价值的产品？最新研究综述
IF 1.5 4区 工程技术
Chemie Ingenieur Technik Pub Date : 2024-06-06 DOI: 10.1002/cite.202300186
Felix Hilfinger, Dustin Kubas, Prof. Dr. Ingo Krossing
{"title":"Does Direct Dimethyl Ether Synthesis from Carbon Dioxide and Hydrogen Yield More Valuable Products than the Equivalent Methanol Production? A Review on Recent Work","authors":"Felix Hilfinger,&nbsp;Dustin Kubas,&nbsp;Prof. Dr. Ingo Krossing","doi":"10.1002/cite.202300186","DOIUrl":"10.1002/cite.202300186","url":null,"abstract":"<p>Dimethyl ether (DME) has promising properties as e-fuel and platform chemical. Its direct synthesis from CO<sub>2</sub> and hydrogen, which is thermodynamically more favorable than the indirect route over methanol, is reviewed. Systematic thermodynamic equilibrium calculations are evaluated and compared to bifunctional catalysis experiments performed with Cu/ZnO/ZrO<sub>2</sub> methanol catalyst and ferrierite or heteropolyacid-coated dehydration catalysts under thermodynamic and kinetic conditions. In the thermodynamic region, the methyl yield of direct DME synthesis is superior over sole methanol synthesis. Significant differences among the solid acids used are absent. However, under kinetic conditions, the heteropolyacid-coated catalysts show superior performance for dehydration over zeolites.</p>","PeriodicalId":9912,"journal":{"name":"Chemie Ingenieur Technik","volume":null,"pages":null},"PeriodicalIF":1.5,"publicationDate":"2024-06-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/cite.202300186","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141375951","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
Recycling of Thermoplastic Glass Fiber-Reinforced Composites Using High-Voltage Fragmentation 利用高压碎片回收热塑性玻璃纤维增强复合材料
IF 1.5 4区 工程技术
Chemie Ingenieur Technik Pub Date : 2024-06-06 DOI: 10.1002/cite.202300208
Jannick Schmidt, Maximilian Auer, Lena Grammel, Prof. Jörg Woidasky
{"title":"Recycling of Thermoplastic Glass Fiber-Reinforced Composites Using High-Voltage Fragmentation","authors":"Jannick Schmidt,&nbsp;Maximilian Auer,&nbsp;Lena Grammel,&nbsp;Prof. Jörg Woidasky","doi":"10.1002/cite.202300208","DOIUrl":"10.1002/cite.202300208","url":null,"abstract":"<p>A rectangular polymer profile made of glass fiber-reinforced thermoplastic sheathing material and a polyethylene terephthalate foam core were to be separated for recycling. For this purpose, a mechanical recycling process utilizing a cutting mill and the high-voltage fragmentation (HVF) process were used and their achievements in composite separation were compared. For both separation methods, parameter variations resulted in a total of two test series each consisting of drying, screening, optional density separation, ashing, weighing, microscopic analyses, and glass fiber length measurements. Using HVF, a better separation of the core and sheath materials was achieved and longer glass fibers could be recovered.</p>","PeriodicalId":9912,"journal":{"name":"Chemie Ingenieur Technik","volume":null,"pages":null},"PeriodicalIF":1.5,"publicationDate":"2024-06-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/cite.202300208","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141381891","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
Methanol Synthesis from Sustainable Feedstocks – A Quantitative Side Product Analysis 利用可持续原料合成甲醇 - 副产品定量分析
IF 1.5 4区 工程技术
Chemie Ingenieur Technik Pub Date : 2024-05-27 DOI: 10.1002/cite.202400009
Dr. Florian Nestler, Johannes Voß, Dr. Anna Fastabend, Dr. Tammarat Niemeier, Dr. Holger Ruland, Max J. Hadrich
{"title":"Methanol Synthesis from Sustainable Feedstocks – A Quantitative Side Product Analysis","authors":"Dr. Florian Nestler,&nbsp;Johannes Voß,&nbsp;Dr. Anna Fastabend,&nbsp;Dr. Tammarat Niemeier,&nbsp;Dr. Holger Ruland,&nbsp;Max J. Hadrich","doi":"10.1002/cite.202400009","DOIUrl":"10.1002/cite.202400009","url":null,"abstract":"<p>Methanol synthesis from sustainable feedstocks will play an important role in the future's energy system. To enable an accurate design of crude methanol distillation systems, detailed knowledge about the amounts of side products in crude methanol is required. In this study, crude methanol samples obtained from four experimental setups covering a wide range of process conditions were analyzed for their main and side compounds. By means of a Spearman correlation analysis, the amount of carbon oxides in the reactor feed was identified as determining for the formation of side products. Trend lines describing the amount of side products were derived from the experimental data to enable studies on the downstream treatment of crude methanol.</p>","PeriodicalId":9912,"journal":{"name":"Chemie Ingenieur Technik","volume":null,"pages":null},"PeriodicalIF":1.5,"publicationDate":"2024-05-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/cite.202400009","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141173151","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
Titelbild Chem. Ing. Tech. 6/2024 封面图片 Chem.6/2024
IF 1.9 4区 工程技术
Chemie Ingenieur Technik Pub Date : 2024-05-23 DOI: 10.1002/cite.202470601
{"title":"Titelbild Chem. Ing. Tech. 6/2024","authors":"","doi":"10.1002/cite.202470601","DOIUrl":"https://doi.org/10.1002/cite.202470601","url":null,"abstract":"<p>Electrochemistry is considered to be a major driver for future green energy sources and feedstocks. In the cover story, high throughput experimentation, a well-established and powerful tool in the field of heterogeneous catalysis, has been extended to the field of electrochemistry. A parallel and modular high throughput screening platform was designed by hte GmbH in cooperation with the Fraunhofer Institute for Microengineering and Microsystems (IMM) and IEK-9 / FZ Jülich GmbH. Initial results for hydrogen production by alkaline water electrolysis demonstrate the fitness of the system for combinatorial material screening.\u0000\u0000 <figure>\u0000 <div><picture>\u0000 <source></source></picture><p></p>\u0000 </div>\u0000 </figure></p>","PeriodicalId":9912,"journal":{"name":"Chemie Ingenieur Technik","volume":null,"pages":null},"PeriodicalIF":1.9,"publicationDate":"2024-05-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/cite.202470601","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141091491","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
An Image-Based Approach to Automated Recognition of Asbestos-Containing Components in Wall Demolition Waste 基于图像的墙体拆除废物含石棉成分自动识别方法
IF 1.5 4区 工程技术
Chemie Ingenieur Technik Pub Date : 2024-05-23 DOI: 10.1002/cite.202300170
Albert Bauer, Prof. Harald Kruggel-Emden
{"title":"An Image-Based Approach to Automated Recognition of Asbestos-Containing Components in Wall Demolition Waste","authors":"Albert Bauer,&nbsp;Prof. Harald Kruggel-Emden","doi":"10.1002/cite.202300170","DOIUrl":"10.1002/cite.202300170","url":null,"abstract":"<p>The feasibility to discriminate potentially asbestos-containing components from asbestos-free concrete based on camera images using the example of wall demolition waste is investigated. For this, three types of asbestos substitute materials and two types of concrete are crushed and photographed. The classification of the fragment images is carried out with a) morphological and texture features and b) with features automatically extracted by the pretrained MobileNetV3 network. Feret diameters, circularity, and others served as morphological descriptors. The texture was described by measures of grey-level intensity, as obtained from the grey-level co-occurrence matrix. Support vector machines are found to achieve classification accuracies above 99 % based on the automatically extracted features. The presented identification approach is promising to automate the treatment process of asbestos-containing materials from construction and demolition waste, which is effortful and requires expert knowledge to this day.</p>","PeriodicalId":9912,"journal":{"name":"Chemie Ingenieur Technik","volume":null,"pages":null},"PeriodicalIF":1.5,"publicationDate":"2024-05-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/cite.202300170","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141105790","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
Überblick Inhalt: Chem. Eng. Technol. 6/2024 概述 目录：Chem.6/2024
IF 1.9 4区 工程技术
Chemie Ingenieur Technik Pub Date : 2024-05-23 DOI: 10.1002/cite.202470607
{"title":"Überblick Inhalt: Chem. Eng. Technol. 6/2024","authors":"","doi":"10.1002/cite.202470607","DOIUrl":"https://doi.org/10.1002/cite.202470607","url":null,"abstract":"","PeriodicalId":9912,"journal":{"name":"Chemie Ingenieur Technik","volume":null,"pages":null},"PeriodicalIF":1.9,"publicationDate":"2024-05-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/cite.202470607","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141091519","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
Where Does Fouling Occur in Individual Random Packing Elements? A Simulative Investigation 单个随机填料元件的堵塞发生在哪里？模拟研究
IF 1.5 4区 工程技术
Chemie Ingenieur Technik Pub Date : 2024-05-23 DOI: 10.1002/cite.202300220
Marc Xia, Korbinian Inderwies, Prof. Dr.-Ing. Harald Klein, Dr.-Ing. Sebastian Rehfeldt
{"title":"Where Does Fouling Occur in Individual Random Packing Elements? A Simulative Investigation","authors":"Marc Xia,&nbsp;Korbinian Inderwies,&nbsp;Prof. Dr.-Ing. Harald Klein,&nbsp;Dr.-Ing. Sebastian Rehfeldt","doi":"10.1002/cite.202300220","DOIUrl":"10.1002/cite.202300220","url":null,"abstract":"<p>Fouling in columns is a persistent challenge in the chemical process industry, leading to decreased efficiency and increased operating costs. This paper presents an investigation into fouling behavior on individual random packing elements in packed columns using computational fluid dynamics (CFD) simulations. The study aims to gain a deeper understanding of how fouling grows and impacts the flow behavior, predicting areas susceptible to fouling and providing insights for improved design. The simulation results are validated against experimental results and show good agreement.</p>","PeriodicalId":9912,"journal":{"name":"Chemie Ingenieur Technik","volume":null,"pages":null},"PeriodicalIF":1.5,"publicationDate":"2024-05-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/cite.202300220","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141103384","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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