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Überblick Inhalt: Chem. Eng. Technol. 8/2024 概述 目录：Chem.8/2024
IF 1.5 4区 工程技术
Chemie Ingenieur Technik Pub Date : 2024-07-23 DOI: 10.1002/cite.202470804
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引用次数: 0
Production of Sustainable Methanol from Industrial Exhaust Gases 利用工业废气生产可持续甲醇
IF 1.5 4区 工程技术
Chemie Ingenieur Technik Pub Date : 2024-07-22 DOI: 10.1002/cite.202400037
Dr. Nils Tenhumberg, Dr. Nina Kolbe
{"title":"Production of Sustainable Methanol from Industrial Exhaust Gases","authors":"Dr. Nils Tenhumberg,&nbsp;Dr. Nina Kolbe","doi":"10.1002/cite.202400037","DOIUrl":"10.1002/cite.202400037","url":null,"abstract":"<p>Carbon capture and utilization (CCU) is part of the European Union (EU)’s strategy to become climate-neutral by 2050. CO<sub>2</sub> is needed as a feedstock for the production of climate-friendly base chemicals and sustainable fuels. Although CO<sub>2</sub> capture from industrial point sources is technically feasible and requires less energy than direct air capture, its integration into the circular economy is challenging due to only the temporary recognition of fossil CO<sub>2</sub> as a source for the production of climate-friendly renewable fuels. In this article, CO<sub>2</sub> sources such as waste incineration plants, lime production, and steel production are analyzed based on process simulation in terms of their energy demand for CCU and compliance with current EU legislation on renewable fuels over the service life of a CCU plant.</p>","PeriodicalId":9912,"journal":{"name":"Chemie Ingenieur Technik","volume":null,"pages":null},"PeriodicalIF":1.5,"publicationDate":"2024-07-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/cite.202400037","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141785732","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
Concentration Fluctuations in Steel Mill Gases: Analytics as Key to Develop Steel Off-Gas Purification 钢厂气体的浓度波动：分析是发展钢铁废气净化的关键
IF 1.5 4区 工程技术
Chemie Ingenieur Technik Pub Date : 2024-07-17 DOI: 10.1002/cite.202400028
Dr. Clara Markert, Dr. Corina H. Pollok, Dr. Florian Haakmann, Dr. Holger Ruland
{"title":"Concentration Fluctuations in Steel Mill Gases: Analytics as Key to Develop Steel Off-Gas Purification","authors":"Dr. Clara Markert,&nbsp;Dr. Corina H. Pollok,&nbsp;Dr. Florian Haakmann,&nbsp;Dr. Holger Ruland","doi":"10.1002/cite.202400028","DOIUrl":"10.1002/cite.202400028","url":null,"abstract":"<p>The Carbon2Chem<sup>®</sup> project utilizes steel production gases to synthesize methanol, urea, and other commodity chemicals. The complex process involves CO<sub>2</sub> capture and hydrogen production and synthesis, requiring precise analysis due to the diverse components in steel mill flue gases. As some of these components could harm the employed catalysts, the analytics needs to ensure the quality of the purification unit and enhance the understanding of transportation effects and performance in gas cleaning and methanol synthesis. An already established method, proton transfer reaction-mass spectrometry (PTR-MS), was employed to assess the gas quality.</p>","PeriodicalId":9912,"journal":{"name":"Chemie Ingenieur Technik","volume":null,"pages":null},"PeriodicalIF":1.5,"publicationDate":"2024-07-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/cite.202400028","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141741721","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
Purification of Steel Mill Gases under Changing Feed Stock Conditions 在不断变化的原料条件下净化钢厂气体
IF 1.5 4区 工程技术
Chemie Ingenieur Technik Pub Date : 2024-07-16 DOI: 10.1002/cite.202400031
Dr. Karsten Büker, Dr. Olaf von Morstein, Dr. Ömer Yildirim, Nicolai Daheim, Dr. Andreas Frey, Dr. Christian Voss, Dr. Andreas Geisbauer
{"title":"Purification of Steel Mill Gases under Changing Feed Stock Conditions","authors":"Dr. Karsten Büker,&nbsp;Dr. Olaf von Morstein,&nbsp;Dr. Ömer Yildirim,&nbsp;Nicolai Daheim,&nbsp;Dr. Andreas Frey,&nbsp;Dr. Christian Voss,&nbsp;Dr. Andreas Geisbauer","doi":"10.1002/cite.202400031","DOIUrl":"10.1002/cite.202400031","url":null,"abstract":"<p>This paper focuses on the operation and results of the gas treatment pilot plant for the purification and conditioning of steel mill gases, a key element of the Carbon2Chem<sup>®</sup> Technical Center in Duisburg, Germany. Using highly sensitive analytics, it is demonstrated that steel mill gas impurities which are detrimental to downstream catalytic conversion are reduced to single-digit ppb levels. Strategies for adapting the gas purification process to take account of the transformation of steelmaking towards direct reduction are also discussed.</p>","PeriodicalId":9912,"journal":{"name":"Chemie Ingenieur Technik","volume":null,"pages":null},"PeriodicalIF":1.5,"publicationDate":"2024-07-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/cite.202400031","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141741722","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
Application of a Scaled-up Dielectric Barrier Discharge Reactor in the Trace Oxygen Removal in Hydrogen-Rich Gas Mixtures at Ambient and Elevated Pressure 在常压和高压富氢气体混合物的痕量氧去除中应用按比例放大的介质势垒放电反应器
IF 1.5 4区 工程技术
Chemie Ingenieur Technik Pub Date : 2024-07-15 DOI: 10.1002/cite.202400011
Philipp Wirth, Christian Oberste-Beulmann, Tim Nitsche, Prof. Martin Muhler, Prof. Peter Awakowicz
{"title":"Application of a Scaled-up Dielectric Barrier Discharge Reactor in the Trace Oxygen Removal in Hydrogen-Rich Gas Mixtures at Ambient and Elevated Pressure","authors":"Philipp Wirth,&nbsp;Christian Oberste-Beulmann,&nbsp;Tim Nitsche,&nbsp;Prof. Martin Muhler,&nbsp;Prof. Peter Awakowicz","doi":"10.1002/cite.202400011","DOIUrl":"10.1002/cite.202400011","url":null,"abstract":"<p>Dielectric barrier discharges (DBDs) are frequently utilized in various gas conversion processes. For industrial applications a low flow resistance and scalability are crucial. In this study a tenfold scaled-up reactor based on a surface dielectric barrier discharge (SDBD) was employed for the removal of oxygen traces from H<sub>2</sub>/N<sub>2</sub>/O<sub>2</sub> gas mixtures. The conversion efficiency of the reactor with ten electrode configurations was investigated for different admixtures of O<sub>2</sub>, and high degrees of conversion were observed that decreased with increasing flow rate, but remained constant when raising the pressure to 2 bar(g). A new generator based on silicon carbide field-effect transistors (SiC-FETs) was used and compared to a generator based on classical metal oxide semiconductor field-effect transistors (MOS-FETs).</p>","PeriodicalId":9912,"journal":{"name":"Chemie Ingenieur Technik","volume":null,"pages":null},"PeriodicalIF":1.5,"publicationDate":"2024-07-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/cite.202400011","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141646607","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 Screening Apparatus for Comparing the Fouling Resistance of Heat Exchanger Surfaces 用于比较热交换器表面抗污能力的筛选装置
IF 1.5 4区 工程技术
Chemie Ingenieur Technik Pub Date : 2024-07-15 DOI: 10.1002/cite.202300210
Conrad Meyer, Philipp-Lukas Pelz, Dr.-Ing. Katharina Jasch, Prof. Dr. Hans-Jörg Bart, Prof. Dr.-Ing. Erik von Harbou, Prof. Dr.-Ing. Stephan Scholl
{"title":"A Screening Apparatus for Comparing the Fouling Resistance of Heat Exchanger Surfaces","authors":"Conrad Meyer,&nbsp;Philipp-Lukas Pelz,&nbsp;Dr.-Ing. Katharina Jasch,&nbsp;Prof. Dr. Hans-Jörg Bart,&nbsp;Prof. Dr.-Ing. Erik von Harbou,&nbsp;Prof. Dr.-Ing. Stephan Scholl","doi":"10.1002/cite.202300210","DOIUrl":"10.1002/cite.202300210","url":null,"abstract":"<p>Fouling is a challenge in many processes, especially in heat exchangers and evaporators. Even though many treatments have been developed to mitigate fouling on metallic surfaces, no standardized method exists to compare equipment based on its antifouling performance. In this work, a screening apparatus is presented, which allows to compare samples of treated metallic surfaces based on thermal fouling resistance. A parameter screening and a ranking of three differently treated metallic surfaces using two model substances, namely, whey protein concentrate (WPC) and calcium sulfate, are demonstrated.</p>","PeriodicalId":9912,"journal":{"name":"Chemie Ingenieur Technik","volume":null,"pages":null},"PeriodicalIF":1.5,"publicationDate":"2024-07-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/cite.202300210","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141645121","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
High-Temperature Heat Pumps for Industrial Use 工业用高温热泵
IF 1.5 4区 工程技术
Chemie Ingenieur Technik Pub Date : 2024-07-12 DOI: 10.1002/cite.202300241
Dr. Paul-Michael Bever, Dr. Frédéric Bless, Dr. Cordin Arpagaus, Prof. Stefan S. Bertsch
{"title":"High-Temperature Heat Pumps for Industrial Use","authors":"Dr. Paul-Michael Bever,&nbsp;Dr. Frédéric Bless,&nbsp;Dr. Cordin Arpagaus,&nbsp;Prof. Stefan S. Bertsch","doi":"10.1002/cite.202300241","DOIUrl":"10.1002/cite.202300241","url":null,"abstract":"<p>Compared to heat pumps established in the building sector, high-temperature heat pumps (HTHPs) suitable for industrial use still face challenges, not only from a mechanical engineering point of view but also regarding integration into existing processes. They need to supply larger amounts of heat at higher temperatures. The mere replacement of a gas boiler by an HTHP will rarely deliver an energy-efficient solution. Instead, these units must often be tailored to the application and vice versa, making specifications a complex task. This paper intends to link thermodynamic and economic basics of HTHPs to the process engineering of the actual production process. It also ventures an outlook on the economic and regulatory boundary conditions in the EU as corner stones for a sustainable investment decision.</p>","PeriodicalId":9912,"journal":{"name":"Chemie Ingenieur Technik","volume":null,"pages":null},"PeriodicalIF":1.5,"publicationDate":"2024-07-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/cite.202300241","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141614256","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
Fluiddynamik von Kolonneneinbauten unter Berücksichtigung von Fouling Hydraulics of Column Internals under Consideration of Fouling 考虑到污垢的柱内流体动力学
IF 1.5 4区 工程技术
Chemie Ingenieur Technik Pub Date : 2024-07-12 DOI: 10.1002/cite.202300130
Dr.-Ing. Volker Engel
{"title":"Fluiddynamik von Kolonneneinbauten unter Berücksichtigung von Fouling\u0000 Hydraulics of Column Internals under Consideration of Fouling","authors":"Dr.-Ing. Volker Engel","doi":"10.1002/cite.202300130","DOIUrl":"10.1002/cite.202300130","url":null,"abstract":"<p>The hydraulic calculation of column internals is crucial for their design. The various fouling effects (due to crystallization, particles, chemical reaction) influence the hydraulics of columns in different ways (capacity, separation efficiency). However, current hydraulic models are based on clean systems and do not consider fouling. By properly taking into account the geometrical parameters affected by fouling, the classical models can be used to calculate the state of internals as they evolve over time.</p>","PeriodicalId":9912,"journal":{"name":"Chemie Ingenieur Technik","volume":null,"pages":null},"PeriodicalIF":1.5,"publicationDate":"2024-07-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141614257","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
Circular Use of Carbon and the Current Regulatory Framework: Enabler or Barrier? 碳的循环利用与现行监管框架：促进还是阻碍？
IF 1.5 4区 工程技术
Chemie Ingenieur Technik Pub Date : 2024-07-11 DOI: 10.1002/cite.202400032
Prof. Dr.-Ing. Ulrich Seifert
{"title":"Circular Use of Carbon and the Current Regulatory Framework: Enabler or Barrier?","authors":"Prof. Dr.-Ing. Ulrich Seifert","doi":"10.1002/cite.202400032","DOIUrl":"10.1002/cite.202400032","url":null,"abstract":"<p>Keeping carbon in the loop within the technosphere is a promising idea from a technical perspective when striving for climate-neutral production. Reporting obligations for greenhouse gases have been focused on release into the atmosphere, often under the tacit assumption that any greenhouse gas (GHG) formed will eventually be emitted. Technologies that build on carbon capture face a situation where regulations are lacking terms to describe processes that produce or use carbon dioxide but do not release it. This work aims to highlight this situation and to provide suggestions to overcome some of the hurdles.</p>","PeriodicalId":9912,"journal":{"name":"Chemie Ingenieur Technik","volume":null,"pages":null},"PeriodicalIF":1.5,"publicationDate":"2024-07-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/cite.202400032","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141614258","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
Hydrothermal Dissolution of Reactive Silica Materials in Sodium Hydroxide Lyes 氢氧化钠溶液中反应性二氧化硅材料的水热溶解
IF 1.9 4区 工程技术
Chemie Ingenieur Technik Pub Date : 2024-07-10 DOI: 10.1002/cite.202300062
Hallah Ahmad Alyosef, Bettina Lilli, Dirk Enke, Hans Roggendorf
{"title":"Hydrothermal Dissolution of Reactive Silica Materials in Sodium Hydroxide Lyes","authors":"Hallah Ahmad Alyosef, Bettina Lilli, Dirk Enke, Hans Roggendorf","doi":"10.1002/cite.202300062","DOIUrl":"https://doi.org/10.1002/cite.202300062","url":null,"abstract":"Reactive silica materials like vitreous silica or cristobalite were dissolved at temperatures between 100 and 220 °C for up to 7 days in NaOH lyes. The liquid and solid reaction products were analyzed chemically. Sodium water glasses with silica concentrations of up to 27 wt % and molar SiO<jats:sub>2</jats:sub>/Na<jats:sub>2</jats:sub>O ratios of up to 3.7 were obtained. The experimental data were evaluated by an approximation algorithm. The initial size reduction rates ranged between 0.1 and 7 µm h<jats:sup>−1</jats:sup>, depending on the temperature and the choice of starting materials. Correlations between thermodynamics and kinetics were discussed.","PeriodicalId":9912,"journal":{"name":"Chemie Ingenieur Technik","volume":null,"pages":null},"PeriodicalIF":1.9,"publicationDate":"2024-07-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141587736","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
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