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IF 1.6 4区 工程技术
Chemie Ingenieur Technik Pub Date : 2026-05-01
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引用次数: 0
IF 1.6 4区 工程技术
Chemie Ingenieur Technik Pub Date : 2026-05-01
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引用次数: 0
IF 1.6 4区 工程技术
Chemie Ingenieur Technik Pub Date : 2026-04-10
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引用次数: 0
IF 1.6 4区 工程技术
Chemie Ingenieur Technik Pub Date : 2026-04-10
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引用次数: 0
Mini Review: Renewable Energy Revolution—Transforming Resources with Power-to-X 迷你评论：可再生能源革命——利用电能转换资源
IF 1.6 4区 工程技术
Chemie Ingenieur Technik Pub Date : 2026-04-07 Epub Date: 2025-12-13 DOI: 10.1002/cite.70058
Dr. İpek Deniz Yıldırım, Duygu Şentürk, Dr. Ahmet Güngör, Prof. Emre Erdem
{"title":"Mini Review: Renewable Energy Revolution—Transforming Resources with Power-to-X","authors":"Dr. İpek Deniz Yıldırım,&nbsp;Duygu Şentürk,&nbsp;Dr. Ahmet Güngör,&nbsp;Prof. Emre Erdem","doi":"10.1002/cite.70058","DOIUrl":"https://doi.org/10.1002/cite.70058","url":null,"abstract":"<p>Fossil fuel combustion remains the dominant driver of global greenhouse gas emissions. This study thoroughly examines the “power-to-X (PtX) concept,” highlighting its potential to reduce carbon emissions and serve as an attractive alternative to fossil fuel consumption. Various forms of PtX, including power-to-hydrogen (PtH), power-to-ammonia (PtA), and power-to-methanol (PtM), were examined based on their production techniques. The limitations of PtX power plants, including costs, efficiency, and transportation, were discussed. The significance of national and global policies, particularly in providing proper funding to enhance the techniques used in PtX, has been highlighted. We conclude with policy and system-integration levers (carbon pricing, offtake, certification) required to scale PtX.</p>","PeriodicalId":9912,"journal":{"name":"Chemie Ingenieur Technik","volume":"98 4","pages":"115-132"},"PeriodicalIF":1.6,"publicationDate":"2026-04-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147708199","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
Inhalt: Chem. Ing. Tech. 4/2026 内容:化学。荷兰国际集团(Ing)。4/2026技术。
IF 1.6 4区 工程技术
Chemie Ingenieur Technik Pub Date : 2026-04-07 DOI: 10.1002/cite.70094
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引用次数: 0
Machine-Learning-Enabled Structural Design and Optimization of Methanol Reforming Hydrogen Reactors 基于机器学习的甲醇重整氢反应器结构设计与优化
IF 1.6 4区 工程技术
Chemie Ingenieur Technik Pub Date : 2026-04-07 Epub Date: 2025-11-27 DOI: 10.1002/cite.70050
Dr. Miao Qian, Le Liu, Dr. Yuzhen Xu, Zhenhao Dong, Prof. Zhong Xiang, Dr. Weitao Wu
{"title":"Machine-Learning-Enabled Structural Design and Optimization of Methanol Reforming Hydrogen Reactors","authors":"Dr. Miao Qian,&nbsp;Le Liu,&nbsp;Dr. Yuzhen Xu,&nbsp;Zhenhao Dong,&nbsp;Prof. Zhong Xiang,&nbsp;Dr. Weitao Wu","doi":"10.1002/cite.70050","DOIUrl":"https://doi.org/10.1002/cite.70050","url":null,"abstract":"<p>A methanol steam reforming and combustion channel reactor was developed to supply hydrogen for high-power fuel cells. Numerical simulation combined with a backpropagation (BP) neural network, whose maximum error is below 5 %, quantified how channel dimensions and inlet flows influence peak temperature difference, flow maldistribution, methanol conversion, and hydrogen output. Multi-objective optimization using non-dominated sorting genetic algorithm II (NSGA–II) yielded the optimal layout: length 284 mm, width 171 mm, combustor inlet flow 8.3 × 10<sup>3</sup> mL min<sup>−1</sup>, and reformer inlet flow 4.7 × 10<sup>4</sup> mL min<sup>−1</sup>. Compared with the initial design, the optimized reactor reduces peak temperature and flow differences by 6.6 % and increases methanol conversion and hydrogen production by about 7 %, meeting the hydrogen demand of roughly 23 kW fuel cells.</p>","PeriodicalId":9912,"journal":{"name":"Chemie Ingenieur Technik","volume":"98 4","pages":"133-143"},"PeriodicalIF":1.6,"publicationDate":"2026-04-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147708366","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
Titelbild Chem. Ing. Tech. 4/2026 想你闻Chem .Ing .科技. 4/2026
IF 1.6 4区 工程技术
Chemie Ingenieur Technik Pub Date : 2026-04-07 DOI: 10.1002/cite.70093
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引用次数: 0
Optimizing the Organic Rankine Cycle Fluid for Flue Gas Energy Recovery: A Techno-Economic Analysis 优化有机朗肯循环液用于烟气能量回收：技术经济分析
IF 1.6 4区 工程技术
Chemie Ingenieur Technik Pub Date : 2026-04-07 Epub Date: 2025-12-13 DOI: 10.1002/cite.70057
Dr. Vahid Pirouzfar, Maryam Sheykhan, Behnaz Chaharbashi, Prof. Chia-Hung Su
{"title":"Optimizing the Organic Rankine Cycle Fluid for Flue Gas Energy Recovery: A Techno-Economic Analysis","authors":"Dr. Vahid Pirouzfar,&nbsp;Maryam Sheykhan,&nbsp;Behnaz Chaharbashi,&nbsp;Prof. Chia-Hung Su","doi":"10.1002/cite.70057","DOIUrl":"https://doi.org/10.1002/cite.70057","url":null,"abstract":"<p>This study evaluates the thermodynamic and economic performance of various working fluids for Organic Rankine Cycle (ORC)-based energy recovery from flue gases. Initially, benzene, toluene, and pentane were analyzed, with results indicating that pentane achieved the highest power output (1862 kW) with the lowest cost ($14.69 million) at 171.6 °C. To extend the analysis, additional working fluids—including hexane, R134a, propane, and isopentane—were examined for their thermal properties and system compatibility. Their thermal efficiency, power output, and cost-effectiveness were assessed using Aspen HYSYS (Version 14) for process simulations, Aspen Capital Cost Estimator for economic evaluation, and Refprop for thermodynamic property calculations. The findings indicate that hexane improves thermal efficiency by 20 %, whereas R134a reduces environmental impact by 15 %, making them viable alternatives for sustainable ORC applications.</p>","PeriodicalId":9912,"journal":{"name":"Chemie Ingenieur Technik","volume":"98 4","pages":"144-155"},"PeriodicalIF":1.6,"publicationDate":"2026-04-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147708177","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
In Situ Methanation on Mars: A Process Concept Study on the Impact of H2/CO2 and Recycle Ratio 火星原位甲烷化：H2/CO2和循环比影响的过程概念研究
IF 1.6 4区 工程技术
Chemie Ingenieur Technik Pub Date : 2026-04-07 Epub Date: 2025-12-13 DOI: 10.1002/cite.70055
Franz Braun, Thomas-Oliver Nagel, Samuel Prinz, Dr. Jens Friedland, Prof. Robert Güttel
{"title":"In Situ Methanation on Mars: A Process Concept Study on the Impact of H2/CO2 and Recycle Ratio","authors":"Franz Braun,&nbsp;Thomas-Oliver Nagel,&nbsp;Samuel Prinz,&nbsp;Dr. Jens Friedland,&nbsp;Prof. Robert Güttel","doi":"10.1002/cite.70055","DOIUrl":"https://doi.org/10.1002/cite.70055","url":null,"abstract":"<p>For return missions from Mars, the supply of rocket fuel is crucial. As transportation of propellant from Earth and storage on Mars are costly and energy intensive, in situ resource utilization (ISRU) for methane production on Mars presents a promising solution. The major challenge is to identify a robust production process, which provides the required propellant purity. In this study, we compare two process concepts, with and without recycle, under realistic operating conditions using thermodynamic modeling and simulation. The H<sub>2</sub>/CO<sub>2</sub> feed ratio is crucial to achieve sufficiently high methane selectivity and thereby reduce the effort in product gas cleaning and the overall process complexity. At the same time, recycling unreacted reactants reduces resource consumption, which is preferable for ISRU scenarios. Hence, our study provides a basis for more detailed process design using kinetic information on the involved process steps.</p>","PeriodicalId":9912,"journal":{"name":"Chemie Ingenieur Technik","volume":"98 4","pages":"156-164"},"PeriodicalIF":1.6,"publicationDate":"2026-04-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/cite.70055","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147708178","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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