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Gewinnung von Fettsäuremethylestern aus industriellem Kaffeesatz mittels eines In‐situ‐Prozesses 利用原位工艺从工业咖啡渣中提取脂肪酸甲酯
IF 1.9 4区 工程技术
Chemie Ingenieur Technik Pub Date : 2024-08-17 DOI: 10.1002/cite.202400049
Jürgen Grän‐Heedfeld, Axel Kraft, Anna Fastabend, Fabian Kahl
{"title":"Gewinnung von Fettsäuremethylestern aus industriellem Kaffeesatz mittels eines In‐situ‐Prozesses","authors":"Jürgen Grän‐Heedfeld, Axel Kraft, Anna Fastabend, Fabian Kahl","doi":"10.1002/cite.202400049","DOIUrl":"https://doi.org/10.1002/cite.202400049","url":null,"abstract":"ZusammenfassungIn Kaffeesatz enthaltenes Kaffeeöl weist einen nennenswerten Anteil an ungesättigten Fettsäuren auf. In einem vom Bundesministerium für Bildung und Forschung (BMBF) geförderten Projekt wurde Kaffeesatz aus der industriellen Herstellung von Instant‐Kaffee für die Nutzung in der stoffverarbeitenden Industrie untersucht, wobei die Isolierung, Funktionalisierung und Nutzung der ungesättigten Fettsäuren einen Schwerpunkt darstellte. Durch einen In‐situ‐Prozess der Ver‐ und Umesterung wurden die im Kaffeesatz enthaltenen Fettsäuren in Form von Fettsäuremethylestern zugänglich gemacht.","PeriodicalId":9912,"journal":{"name":"Chemie Ingenieur Technik","volume":null,"pages":null},"PeriodicalIF":1.9,"publicationDate":"2024-08-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142194026","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
A Unified Approach for the Prediction of Dry Pressure Drop in Knitted-Wire Mesh Demisters 预测针织金属丝网除雾器干压降的统一方法
IF 1.5 4区 工程技术
Chemie Ingenieur Technik Pub Date : 2024-08-12 DOI: 10.1002/cite.202300206
Alexander Döß, Dr. Markus Schubert, Dr. André Bieberle, Jesline Johnson, Dr. Holger Kryk, Felix Flegiel, Prof. Uwe Hampel
{"title":"A Unified Approach for the Prediction of Dry Pressure Drop in Knitted-Wire Mesh Demisters","authors":"Alexander Döß,&nbsp;Dr. Markus Schubert,&nbsp;Dr. André Bieberle,&nbsp;Jesline Johnson,&nbsp;Dr. Holger Kryk,&nbsp;Felix Flegiel,&nbsp;Prof. Uwe Hampel","doi":"10.1002/cite.202300206","DOIUrl":"10.1002/cite.202300206","url":null,"abstract":"<p>The removal of unwanted droplets in thermal separation units is often accomplished using knitted wire meshes. Alongside the separation efficiency, the pressure drop plays a crucial role for the design of these demisters. Wire meshes have been subject to limited investigations, and correlations for predicting the pressure drop, both with or without loading (referred to as dry pressure drop), have not yet been validated. To address this gap, experimental analyses of porosity and dry pressure drop were conducted over a wide range of wire mesh parameters and intake gas velocities. An empirical correlation was developed from these experimental results and further data from the literature. This correlation enables prediction of the pressure drop with a mean deviation of ±20 %.</p>","PeriodicalId":9912,"journal":{"name":"Chemie Ingenieur Technik","volume":null,"pages":null},"PeriodicalIF":1.5,"publicationDate":"2024-08-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/cite.202300206","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142194027","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
Stoffliche Nutzung von CO2‐haltigen Abgasströmen aus der Kalkindustrie und Abfallverwertungsanlagen 石灰工业和废物回收厂产生的含二氧化碳废气流的材料利用
IF 1.5 4区 工程技术
Chemie Ingenieur Technik Pub Date : 2024-08-09 DOI: 10.1002/cite.202300222
J. Kirchner, Qiawen Li, P. Syper, Holger Drescher, Christoph Felix Hofmann, A. May, T. Bayer
{"title":"Stoffliche Nutzung von CO2‐haltigen Abgasströmen aus der Kalkindustrie und Abfallverwertungsanlagen","authors":"J. Kirchner, Qiawen Li, P. Syper, Holger Drescher, Christoph Felix Hofmann, A. May, T. Bayer","doi":"10.1002/cite.202300222","DOIUrl":"https://doi.org/10.1002/cite.202300222","url":null,"abstract":"Prozessbedingte Kohlenstoffdioxid‐Emissionen bei der Kalkproduktion sowie bei der thermischen Verwertung von fossilen und biogenen Reststoffen sind unvermeidbar. Die stoffliche Nutzung von abgeschiedenem Kohlenstoffdioxid als Baustein für Grundchemikalien wie Methanol kann einen Beitrag zu Defossilierung der Industrie und Minderung der klimawirksamen Emissionen leisten. Am Beispiel zweier Anlagen aus der Kalkindustrie und thermischen Abfallverwertung sowie praxisnahen Verbrauchszahlen durch die Verfahrensgeber wird mittels einer techno‐ökonomischen und Lebenszyklusanalyse dargelegt, unter welchen Randbedingungen dies ökologisch und ökonomisch rentabel in der Praxis umgesetzt werden kann.","PeriodicalId":9912,"journal":{"name":"Chemie Ingenieur Technik","volume":null,"pages":null},"PeriodicalIF":1.5,"publicationDate":"2024-08-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141924723","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
Integrated Phosgene and Steel Production: Combining Process Optimization and Life Cycle Assessment to Minimize Greenhouse Gas Emissions 综合磷化氢和钢铁生产：结合工艺优化和生命周期评估，最大限度减少温室气体排放
IF 1.5 4区 工程技术
Chemie Ingenieur Technik Pub Date : 2024-08-09 DOI: 10.1002/cite.202400052
Stefan Eichwald, Lukas Polte, Janik Hense, Benedikt Nilges, Prof. Andreas Jupke, Prof. Niklas von der Assen
{"title":"Integrated Phosgene and Steel Production: Combining Process Optimization and Life Cycle Assessment to Minimize Greenhouse Gas Emissions","authors":"Stefan Eichwald,&nbsp;Lukas Polte,&nbsp;Janik Hense,&nbsp;Benedikt Nilges,&nbsp;Prof. Andreas Jupke,&nbsp;Prof. Niklas von der Assen","doi":"10.1002/cite.202400052","DOIUrl":"10.1002/cite.202400052","url":null,"abstract":"<p>Harnessing basic oxygen furnace gas (BOFG) from steel mills as an alternative carbon source is a promising option to reduce greenhouse gas (GHG) emissions. This study explores two process concepts to purify CO from BOFG for subsequent phosgene synthesis: (i) vacuum pressure swing adsorption (VPSA) yielding pure CO, and (ii) CO<sub>2</sub> separation via monoethanolamine (MEA) absorption producing CO-enriched gas. By combining process optimization with life cycle assessment (LCA), process parameters are identified that minimize GHG emissions. The MEA concept can reduce emissions by up to 60 %, whereas the VPSA concept achieves a reduction of 47 %. Utilizing renewable energy enables further reductions, indicating additional environmental benefits in the future. Overall, both processes effectively produce low-carbon CO for phosgene synthesis, with increasing environmental benefits in future energy systems.</p>","PeriodicalId":9912,"journal":{"name":"Chemie Ingenieur Technik","volume":null,"pages":null},"PeriodicalIF":1.5,"publicationDate":"2024-08-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/cite.202400052","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141923587","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
Dynamic Life Cycle Assessment of Integrated Production of Steel and Methanol 钢铁和甲醇一体化生产的动态生命周期评估
IF 1.5 4区 工程技术
Chemie Ingenieur Technik Pub Date : 2024-08-08 DOI: 10.1002/cite.202400030
Ankur Gaikwad, Dr. Stefan Schlüter
{"title":"Dynamic Life Cycle Assessment of Integrated Production of Steel and Methanol","authors":"Ankur Gaikwad,&nbsp;Dr. Stefan Schlüter","doi":"10.1002/cite.202400030","DOIUrl":"10.1002/cite.202400030","url":null,"abstract":"<p>The dynamic carbon footprint profile of methanol production from steel mill gases is affected by fluctuations of steel mill gas flow rates and compositions, as well as the composition of electricity mix. The cross-industrial network of steel mill, gas conditioning, hydrogen production, chemical synthesis, and power generation was simulated under dynamic conditions. Dynamic life cycle assessment (LCA) was carried out for computing the dynamic carbon footprint profile in 15-min resolution for the integrated system of steel and methanol production. The dynamic LCA indicated that the CO<sub>2</sub> emissions in a power plant, electrolytic hydrogen demand, and variations in electricity mix were the major drivers of the fluctuations in the total carbon footprint. Dynamic LCA is useful for quantifying temporal uncertainty in environmental impacts. This insight can be used to analyze uncertainty in impacts for downstream products, processes, and use cases.</p>","PeriodicalId":9912,"journal":{"name":"Chemie Ingenieur Technik","volume":null,"pages":null},"PeriodicalIF":1.5,"publicationDate":"2024-08-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/cite.202400030","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141927458","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
Evaporation of Binary Mixtures in a Pillow Plate Thermosiphon Reboiler 二元混合物在枕板热虹吸再沸器中的蒸发
IF 1.5 4区 工程技术
Chemie Ingenieur Technik Pub Date : 2024-08-07 DOI: 10.1002/cite.202300217
Dr.-Ing. Katharina Jasch, Dr.-Ing. Yan Lu, Prof. Dr.-Ing. Stephan Scholl
{"title":"Evaporation of Binary Mixtures in a Pillow Plate Thermosiphon Reboiler","authors":"Dr.-Ing. Katharina Jasch,&nbsp;Dr.-Ing. Yan Lu,&nbsp;Prof. Dr.-Ing. Stephan Scholl","doi":"10.1002/cite.202300217","DOIUrl":"10.1002/cite.202300217","url":null,"abstract":"<p>Pillow plate heat exchangers show promising performance in extending the operating range of thermosiphon reboilers. Here, the evaporation of binary mixtures during natural circulation evaporation in a pillow plate apparatus was investigated. The experimental results show that the thermal performance is dominated by mixture effects and a component system-dependent minimum is found. The model approach according to Bennett and Chen has proven to reliably estimate the product-side heat transfer coefficient for pure substances and mixtures with a low boiling point distance. For wide-boiling mixtures and low pressures the approach must be adjusted.</p>","PeriodicalId":9912,"journal":{"name":"Chemie Ingenieur Technik","volume":null,"pages":null},"PeriodicalIF":1.5,"publicationDate":"2024-08-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/cite.202300217","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141938335","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
EU Regulatory Compliance of Renewable Fuels from Steel Mill Gases and Exhaust Gases 欧盟对利用钢厂气体和废气生产可再生燃料的监管合规性
IF 1.5 4区 工程技术
Chemie Ingenieur Technik Pub Date : 2024-08-07 DOI: 10.1002/cite.202400023
Dr. Nils Tenhumberg
{"title":"EU Regulatory Compliance of Renewable Fuels from Steel Mill Gases and Exhaust Gases","authors":"Dr. Nils Tenhumberg","doi":"10.1002/cite.202400023","DOIUrl":"10.1002/cite.202400023","url":null,"abstract":"<p>The production of renewable and sustainable fuels must comply with the EU regulatory framework (Renewable Energy Directive (EU) 2023/2413, Commission Delegated Regulations (EU) 2023/1184, and (EU) 2023/1185) for the use of renewable energy in the transport sector. The utilization of steel mill gases (SMGs) and alternative CO<sub>2</sub> sources (waste incineration plants (WIPs), lime industry) to produce renewable fuels of non-biological origin (RFNBOs) and recycled carbon fuels (RCFs) are attractive options as a high share of RFNBOs can be achieved with a significant reduction in greenhouse gas (GHG) emissions compared to fossil fuel use.</p>","PeriodicalId":9912,"journal":{"name":"Chemie Ingenieur Technik","volume":null,"pages":null},"PeriodicalIF":1.5,"publicationDate":"2024-08-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/cite.202400023","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141938334","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
Influence of RED-II Calculation Rules on the Carbon Footprint of Methanol E-Fuel RED-II 计算规则对甲醇电子燃料碳足迹的影响
IF 1.5 4区 工程技术
Chemie Ingenieur Technik Pub Date : 2024-08-06 DOI: 10.1002/cite.202400045
Ankur Gaikwad, Dr.-Ing. Daniel Maga, Johanna Tesch, Dr. Christian Doye
{"title":"Influence of RED-II Calculation Rules on the Carbon Footprint of Methanol E-Fuel","authors":"Ankur Gaikwad,&nbsp;Dr.-Ing. Daniel Maga,&nbsp;Johanna Tesch,&nbsp;Dr. Christian Doye","doi":"10.1002/cite.202400045","DOIUrl":"10.1002/cite.202400045","url":null,"abstract":"<p>The carbon footprint of methanol from cradle-to-grave is evaluated using three process concepts to capture CO<sub>2</sub>, i.e., one using CO<sub>2</sub> from direct air capture (DAC) and the other two utilizing CO<sub>2</sub> from a steel mill's blast furnace gas (BFG). Hydrogen is supplied by onsite electrolysis, or from a German offshore wind park, or an Australian solar park with ammonia as hydrogen carrier. The study is of interest to life cycle assessment (LCA) practitioners, policymakers, and industries’ management who are involved in regulating, planning, implementing, and operating projects which aim to produce fuels using hydrogen from electrolysis (so-called ‘e-fuels’). The influence of assumptions in the RED-II delegated act regarding recycled carbon fuels and renewable liquid and gaseous fuels of non-biological origin on the carbon footprint results is examined. The RED-II assumption regarding the credits for captured CO<sub>2</sub> after 2041 indicate that DAC-based concepts are advantageous with respect to BFG, although the LCA results indicate the opposite. Using green hydrogen from nearby locations reduces carbon footprints more than faraway locations due to transport-related emissions.</p>","PeriodicalId":9912,"journal":{"name":"Chemie Ingenieur Technik","volume":null,"pages":null},"PeriodicalIF":1.5,"publicationDate":"2024-08-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/cite.202400045","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141938336","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
Adhesion Forces at High Temperatures – An Atomic Force Microscopy Study Using Two Particle Systems 高温下的粘附力--使用两种粒子系统进行的原子力显微镜研究
IF 1.9 4区 工程技术
Chemie Ingenieur Technik Pub Date : 2024-08-02 DOI: 10.1002/cite.202300244
Lisa Ditscherlein, Urs Alexander Peuker
{"title":"Adhesion Forces at High Temperatures – An Atomic Force Microscopy Study Using Two Particle Systems","authors":"Lisa Ditscherlein, Urs Alexander Peuker","doi":"10.1002/cite.202300244","DOIUrl":"https://doi.org/10.1002/cite.202300244","url":null,"abstract":"Adhesive forces of micrometer‐sized alumina (Al<jats:sub>2</jats:sub>O<jats:sub>3</jats:sub>) and polystyrene (PS) particles are investigated under elevated temperatures using a high‐temperature atomic force microscope, where the smooth contact partner is heated. In the case of Al<jats:sub>2</jats:sub>O<jats:sub>3</jats:sub> particles, only van der Waals interactions occur. The adhesive forces between PS particles and heated contact surface increase strongly starting from the glass transition temperature. An initial flattening of the particles up to melting at the contact point was detected. The adhesion forces can be described by means of a semi‐empirical equation.","PeriodicalId":9912,"journal":{"name":"Chemie Ingenieur Technik","volume":null,"pages":null},"PeriodicalIF":1.9,"publicationDate":"2024-08-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141882108","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
Investigating the Irreversible Poisoning of Methanol Synthesis Catalysts – A Setup Construction Guide 甲醇合成催化剂不可逆中毒研究--设置构建指南
IF 1.5 4区 工程技术
Chemie Ingenieur Technik Pub Date : 2024-07-31 DOI: 10.1002/cite.202400022
Dr. Philipp Schwiderowski, Konstantinos Nikolaidis, Dr. Daniel Laudenschleger, Michel Bekx, Prof. Martin Muhler
{"title":"Investigating the Irreversible Poisoning of Methanol Synthesis Catalysts – A Setup Construction Guide","authors":"Dr. Philipp Schwiderowski,&nbsp;Konstantinos Nikolaidis,&nbsp;Dr. Daniel Laudenschleger,&nbsp;Michel Bekx,&nbsp;Prof. Martin Muhler","doi":"10.1002/cite.202400022","DOIUrl":"10.1002/cite.202400022","url":null,"abstract":"<p>When utilizing industrial exhaust gases for methanol synthesis, catalyst poisoning is an important issue. Long-term in-situ poisoning under industrially relevant conditions with sulfur-containing molecules co-fed into the feed gas flow and supplemented by extensive post-mortem characterization of the catalyst bed is an efficient way to deepen the understanding of the poisoning mechanism and the different poisoning strengths of H<sub>2</sub>S, thiophene, and COS reported in literature. Unfortunately, such studies are rare due to the corrosive effects of sulfur compounds on typical lab-scale flow setups. Therefore, this communication provides a detailed description of a setup built for poisoning studies using sulfur-containing molecules under industrially relevant methanol synthesis conditions.</p>","PeriodicalId":9912,"journal":{"name":"Chemie Ingenieur Technik","volume":null,"pages":null},"PeriodicalIF":1.5,"publicationDate":"2024-07-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/cite.202400022","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141866508","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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