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Chemie Ingenieur Technik最新文献

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Titelbild Chem. Ing. Tech. 1-2/2025 想你闻Chem .Ing .科技. 1-2/2025
IF 1.5 4区 工程技术
Chemie Ingenieur Technik Pub Date : 2025-02-03 DOI: 10.1002/cite.202570101
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引用次数: 0
Experimentelle Untersuchung zum Brechen und Trennen von Kakaobohnen Experimental Study on Breaking and Separating Cocoa Beans 可可豆的分解和分离实验研究
IF 1.5 4区 工程技术
Chemie Ingenieur Technik Pub Date : 2025-01-28 DOI: 10.1002/cite.202400104
Dr.-Ing. Marc Lörcher, Philipp Steinke, Dr.-Ing. Philipp Grimm, Björn Spiller, Prof. Dr.-Ing. Arno Kwade
{"title":"Experimentelle Untersuchung zum Brechen und Trennen von Kakaobohnen\u0000 Experimental Study on Breaking and Separating Cocoa Beans","authors":"Dr.-Ing. Marc Lörcher,&nbsp;Philipp Steinke,&nbsp;Dr.-Ing. Philipp Grimm,&nbsp;Björn Spiller,&nbsp;Prof. Dr.-Ing. Arno Kwade","doi":"10.1002/cite.202400104","DOIUrl":"https://doi.org/10.1002/cite.202400104","url":null,"abstract":"<p>The dehulling of cocoa beans is realized by the three basic mechanical operations of crushing, screening, and sifting. At August Storck KG different plants are used for the demolding process. In the following paper, two plants are compared with regard to the procedural processes and the respective advantages and disadvantages are analyzed and explained. The success of the dehulling plants is determined by two parameters: The shell content in the product stream is used to evaluate quality and the nib content in the shell stream allows conclusions about economic efficiency.</p>","PeriodicalId":9912,"journal":{"name":"Chemie Ingenieur Technik","volume":"97 3","pages":"173-185"},"PeriodicalIF":1.5,"publicationDate":"2025-01-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143565296","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
Direct Air Capture via Counter-Current NaOH Absorption System: Evolution of pH for Subsequent Plasma-Enhanced CO₂ Utilization 通过逆流NaOH吸收系统的直接空气捕获：随后等离子体增强CO₂利用的pH演变
IF 1.5 4区 工程技术
Chemie Ingenieur Technik Pub Date : 2025-01-28 DOI: 10.1002/cite.202400145
Valentin Benedikt Seithümmer, Christoph Dubiel, Samuel Jaro Kaufmann, Haripriya Chinnaraj, Dr. Paul Rößner, Prof. Dr. Kai Peter Birke
{"title":"Direct Air Capture via Counter-Current NaOH Absorption System: Evolution of pH for Subsequent Plasma-Enhanced CO₂ Utilization","authors":"Valentin Benedikt Seithümmer,&nbsp;Christoph Dubiel,&nbsp;Samuel Jaro Kaufmann,&nbsp;Haripriya Chinnaraj,&nbsp;Dr. Paul Rößner,&nbsp;Prof. Dr. Kai Peter Birke","doi":"10.1002/cite.202400145","DOIUrl":"https://doi.org/10.1002/cite.202400145","url":null,"abstract":"<p>Direct air capture (DAC) technologies offer a promising approach to mitigate anthropogenic climate change by enabling net negative emissions. CO<sub>2</sub> absorption using NaOH represents an efficient solution within the proposed BlueFire carbon cycle, which integrates DAC with plasma technology for syngas production. Optimizing a DAC plant control relies on understanding the pH profile as a key parameter. A bubble column absorption model with pure CO<sub>2</sub> was experimentally adapted for a counter-current flow setup with ambient air, reproducing a staged pH decrease. An optimal absorption endpoint was determined by identifying the maximum slope of the pH decline, indicating high reaction progress. X-ray diffraction analysis of the absorption products validated the theoretical model of carbonate formation.</p>","PeriodicalId":9912,"journal":{"name":"Chemie Ingenieur Technik","volume":"97 5","pages":"554-559"},"PeriodicalIF":1.5,"publicationDate":"2025-01-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/cite.202400145","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143909619","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
Modified Oxymethylene Ethers Based on Technical Alcohol Mixtures and their Fuel Properties 基于工业酒精混合物的改性甲氧基醚及其燃料性能
IF 1.5 4区 工程技术
Chemie Ingenieur Technik Pub Date : 2025-01-21 DOI: 10.1002/cite.202400159
Victor Zaghini Francesconi, Marius Drexler, Dr. Thomas A. Zevaco, Dr. Ulrich Arnold, Prof. Jörg Sauer
{"title":"Modified Oxymethylene Ethers Based on Technical Alcohol Mixtures and their Fuel Properties","authors":"Victor Zaghini Francesconi,&nbsp;Marius Drexler,&nbsp;Dr. Thomas A. Zevaco,&nbsp;Dr. Ulrich Arnold,&nbsp;Prof. Jörg Sauer","doi":"10.1002/cite.202400159","DOIUrl":"https://doi.org/10.1002/cite.202400159","url":null,"abstract":"<p>Oxymethylene dimethyl ethers (OMDME) have attracted interest as renewably synthesized diesel substitutes with low soot formation and NO<sub>x</sub> emissions. In order to enable a high compatibility of this new type of fuel in the already existing infrastructure, a modified oxymethylene ether (OME) synthesis based on technical alcohol mixtures, i.e., C<sub>4</sub>-based alcohol mixtures of isomers, was evaluated and the new compounds were thoroughly characterized. The synthesized compounds can be used as neat fuel or as blending component for fossil or paraffinic diesel fuels. The modification of OME offers the possibility to adjust desired properties. This versatility could also be used to synthesize compounds for the chemical sector according to its respective requirements, such as applications as solvents, plasticizers, or additives.</p>","PeriodicalId":9912,"journal":{"name":"Chemie Ingenieur Technik","volume":"97 5","pages":"495-507"},"PeriodicalIF":1.5,"publicationDate":"2025-01-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/cite.202400159","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143909676","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
Transport und Nutzung von flüssigem Wasserstoff: Leitprojekt TransHyDE – Projekt AppLHy!1)Transport and Use of Liquid Hydrogen: The Flagship Project TransHyDE – Project AppLHy! 液氢的运输和使用：旗舰项目TransHyDE -项目AppLHy！
IF 1.5 4区 工程技术
Chemie Ingenieur Technik Pub Date : 2025-01-15 DOI: 10.1002/cite.202400075
Franziska Fuhry, Dr.-Ing. Holger Neumann, Dr. Klaus-Peter Weiss, Dr. Michael J. Wolf
{"title":"Transport und Nutzung von flüssigem Wasserstoff: Leitprojekt TransHyDE – Projekt AppLHy!1)Transport and Use of Liquid Hydrogen: The Flagship Project TransHyDE – Project AppLHy!","authors":"Franziska Fuhry,&nbsp;Dr.-Ing. Holger Neumann,&nbsp;Dr. Klaus-Peter Weiss,&nbsp;Dr. Michael J. Wolf","doi":"10.1002/cite.202400075","DOIUrl":"https://doi.org/10.1002/cite.202400075","url":null,"abstract":"<p>The AppLHy! project is part of the TransHyDE flagship project of the Federal Ministry of Education and Research. The researchers are developing various technologies for transport and application of liquid hydrogen and are demonstrating their benefits for the development of a sustainable and efficient hydrogen transport infrastructure in Germany. The focus of AppLHy! is on the supply, storage, and transport of liquid hydrogen (LH₂). This offers great potential within a sustainable hydrogen economy as a potentially CO<sub>2</sub>-free vector with high gravimetric energy density and intrinsic purity. In addition, synergy effects between cryogenic LH₂ and high-temperature superconductors (HTS) emerge, and the “cooling power” of LH₂ can also be used for other processes.</p>","PeriodicalId":9912,"journal":{"name":"Chemie Ingenieur Technik","volume":"97 3","pages":"145-155"},"PeriodicalIF":1.5,"publicationDate":"2025-01-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/cite.202400075","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143565306","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
Einsatz von Membranverfahren zum Aufbereiten von Prozessabwasser für Kühlzwecke Use of Membrane Processes for the Treatment of Process Wastewater for Cooling Purposes 为冷却目的准备工艺废水的膜工艺使用膜工艺处理工艺废水用于冷却目的
IF 1.5 4区 工程技术
Chemie Ingenieur Technik Pub Date : 2025-01-08 DOI: 10.1002/cite.202400105
Dr.-Ing. Marc Lörcher, M. Eng. Lisa Dücker, Dipl.-Ing. (FH) Björn Spiller, Dr.-Ing. Philipp Grimm, Prof. Dr.-Ing. Ulrich Teipel
{"title":"Einsatz von Membranverfahren zum Aufbereiten von Prozessabwasser für Kühlzwecke\u0000 Use of Membrane Processes for the Treatment of Process Wastewater for Cooling Purposes","authors":"Dr.-Ing. Marc Lörcher,&nbsp;M. Eng. Lisa Dücker,&nbsp;Dipl.-Ing. (FH) Björn Spiller,&nbsp;Dr.-Ing. Philipp Grimm,&nbsp;Prof. Dr.-Ing. Ulrich Teipel","doi":"10.1002/cite.202400105","DOIUrl":"https://doi.org/10.1002/cite.202400105","url":null,"abstract":"<p>It is imperative to treat contaminated or used water from a production process in order to ensure the continued availability of freshwater resources for current and future generations. This paper investigates the potential for treating process wastewater using two semi-industrial ultrafiltration and reverse osmosis test plants, with the objective of producing a substitute for the fresh water in the refrigeration systems. The success of this process will be assessed based on stable operation, an effective cleaning strategy, and the parameters of yield and plant availability.</p>","PeriodicalId":9912,"journal":{"name":"Chemie Ingenieur Technik","volume":"97 3","pages":"186-194"},"PeriodicalIF":1.5,"publicationDate":"2025-01-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143565351","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
Ecologic and Economic Evaluation of Combined Methanol Synthesis from CO2 and Biotechnological Upgrading to Value Products. Part 1: Environmental Impact CO2联合合成甲醇及生物技术升级到高价值产品的生态经济评价。第一部分：环境影响
IF 1.6 4区 工程技术
Chemie Ingenieur Technik Pub Date : 2024-12-29 DOI: 10.1002/cite.202400004
Dr. Mehran Taherkhani, Niels Hanau, Rebecca Lehmpfuhl, Ralf Ehret
{"title":"Ecologic and Economic Evaluation of Combined Methanol Synthesis from CO2 and Biotechnological Upgrading to Value Products. Part 1: Environmental Impact","authors":"Dr. Mehran Taherkhani,&nbsp;Niels Hanau,&nbsp;Rebecca Lehmpfuhl,&nbsp;Ralf Ehret","doi":"10.1002/cite.202400004","DOIUrl":"https://doi.org/10.1002/cite.202400004","url":null,"abstract":"<p>The conversion of waste biomass with green hydrogen into methanol and subsequent biotechnological conversion of this into valuable materials could be a promising value chain. Starting from biogenic CO<sub>2</sub> and green H<sub>2</sub>, methanol is produced in a first process path. This is then split into two separate process paths: methanol is used (i) in a biotechnological process with genetically modified bacteria to produce crotonic acid and (ii) to produce biomass protein. To evaluate the ecologically and economic benefits of both biological processes to the conventional production routes, first life cycle assessment and techno-economic assessment of biotechnological and chemical processes are accomplished. For this, a baseline scenario and several scenarios are calculated to investigate the influence of various parameters on environmental impact and economic efficiency. The results also identify the processes that are mainly responsible for costs and environmental impact, as well as the material, energy and waste flows, and process parameters that cause them. From this, measures and conditions for improving economic efficiency and environmental impact are derived.</p>","PeriodicalId":9912,"journal":{"name":"Chemie Ingenieur Technik","volume":"97 8-9","pages":"787-796"},"PeriodicalIF":1.6,"publicationDate":"2024-12-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/cite.202400004","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145102357","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
Material Use Efficiency of Primary Packaging of Fast-Moving Consumer Goods 快速消费品初级包装材料利用效率研究
IF 1.5 4区 工程技术
Chemie Ingenieur Technik Pub Date : 2024-12-26 DOI: 10.1002/cite.202400013
Cihat Yilmaz, Prof. Dr. Kajetan Müller, Laura Blanke, Verena Dorn, Teresa Rohrmeier, Konstantin Schinkel, Cornelia Tischler, Maryam Vafaieshoar, Tanja Fell, Prof. Dr. Sven Sängerlaub
{"title":"Material Use Efficiency of Primary Packaging of Fast-Moving Consumer Goods","authors":"Cihat Yilmaz,&nbsp;Prof. Dr. Kajetan Müller,&nbsp;Laura Blanke,&nbsp;Verena Dorn,&nbsp;Teresa Rohrmeier,&nbsp;Konstantin Schinkel,&nbsp;Cornelia Tischler,&nbsp;Maryam Vafaieshoar,&nbsp;Tanja Fell,&nbsp;Prof. Dr. Sven Sängerlaub","doi":"10.1002/cite.202400013","DOIUrl":"https://doi.org/10.1002/cite.202400013","url":null,"abstract":"<p>To make different packages with various filling quantities better comparable for their packaging material use, in this study the packaging material use efficiency was defined as the ratio of fill good amount to the packaging weight. Several hundred rigid packages (tubes, bottles, cans, and carton packages) for liquid and higher-viscous fast-moving consumer goods, e.g., beverages and personal care products, were analyzed (weight) and more than &gt;1000 data sets were taken from packaging suppliers of glass and PET packaging. As expected, glass packaging is heavier than PET packaging by a factor of around 10, and with a higher filling volume less packaging per amount of food is required. The material use efficiency of glass and PET bottles can differ by up to a factor of 3 within one filling quantity. The results are relevant for calculating life cycle assessments (LCAs) and selection of material efficient packaging.</p>","PeriodicalId":9912,"journal":{"name":"Chemie Ingenieur Technik","volume":"97 4","pages":"269-277"},"PeriodicalIF":1.5,"publicationDate":"2024-12-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/cite.202400013","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143793923","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
Charakterisierung der magnetischen Eigenschaften von Eisenoxidpartikeln Characterization of Magnetic Properties of Iron Oxide Particles 氧化铁粒子磁性能的表征
IF 1.5 4区 工程技术
Chemie Ingenieur Technik Pub Date : 2024-12-26 DOI: 10.1002/cite.202400103
Polina Aman, Mykhailo Kutia, Prof. Stefan Palis
{"title":"Charakterisierung der magnetischen Eigenschaften von Eisenoxidpartikeln\u0000 Characterization of Magnetic Properties of Iron Oxide Particles","authors":"Polina Aman,&nbsp;Mykhailo Kutia,&nbsp;Prof. Stefan Palis","doi":"10.1002/cite.202400103","DOIUrl":"https://doi.org/10.1002/cite.202400103","url":null,"abstract":"<p>Fe<sub>3</sub>O<sub>4</sub> powder is obtained by grinding of magnetite mineral. The particle size has a major influence on the magnetic properties of the powder. Measuring the magnetic properties of crushed magnetite requires the use of complex and highly sensitive measurement equipment and is time-consuming. For this purpose, a measurement method based on a force magnetometer was developed, which enables a quick and efficient assessment of magnetic properties. The proposed measurement principle can be applied for estimation of grinding efficiency of Fe<sub>3</sub>O<sub>4</sub>.</p>","PeriodicalId":9912,"journal":{"name":"Chemie Ingenieur Technik","volume":"97 3","pages":"213-217"},"PeriodicalIF":1.5,"publicationDate":"2024-12-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143565447","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
Carbohydrate Wastes to Chemicals (CtC): From Second-Generation Sugars to Glycols 碳水化合物废物转化为化学物质（CtC）：从第二代糖到乙二醇
IF 1.6 4区 工程技术
Chemie Ingenieur Technik Pub Date : 2024-12-20 DOI: 10.1002/cite.202300226
Dr. Giuseppe Cusati, Dr. Hannah Fergen, Marine Bouge, Thomas Bücker, Dr. Kevin Vogel, Dr. Mehran Taherkhani, Prof. Dr. Ralf Ehret
{"title":"Carbohydrate Wastes to Chemicals (CtC): From Second-Generation Sugars to Glycols","authors":"Dr. Giuseppe Cusati,&nbsp;Dr. Hannah Fergen,&nbsp;Marine Bouge,&nbsp;Thomas Bücker,&nbsp;Dr. Kevin Vogel,&nbsp;Dr. Mehran Taherkhani,&nbsp;Prof. Dr. Ralf Ehret","doi":"10.1002/cite.202300226","DOIUrl":"https://doi.org/10.1002/cite.202300226","url":null,"abstract":"<p>In the Carbohydrate Wastes to Chemicals (CtC) project, Air Liquide Engineering &amp; Construction, Air Liquide Innovation Campus Frankfurt, Provadis Hochschule, BASF SE, and hte GmbH worked together to develop an alternative and sustainable route to the production of glycols, with propylene glycol as the main product. Starting from second-generation sugars as residues from carbohydrate biomass waste streams, the pretreatment as well as the product purification were evaluated. In addition, the greenhouse gas emissions for the whole process, from residues to glycols, were estimated.</p>","PeriodicalId":9912,"journal":{"name":"Chemie Ingenieur Technik","volume":"97 8-9","pages":"806-815"},"PeriodicalIF":1.6,"publicationDate":"2024-12-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/cite.202300226","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145101885","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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