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Titelbild Chem. Ing. Tech. 8/2026 想你闻Chem .Ing .科技. 8/2026
IF 1.6 4区 工程技术
Chemie Ingenieur Technik Pub Date : 2026-08-04 DOI: 10.1002/cite.70151
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引用次数: 0
Exploring Tradeoffs in Syngas Production With Solid-Oxide Electrolysis via Multi-Objective Optimization 基于多目标优化的固体氧化物电解合成气生产权衡研究
IF 1.6 4区 工程技术
Chemie Ingenieur Technik Pub Date : 2026-08-04 Epub Date: 2026-04-24 DOI: 10.1002/cite.70113
Gbenga Jerome, Victor Selmert, An Phuc Dam, Nicolas Kruse, Leandros Paschalidis, Remzi Can Samsun, Rüdiger-A. Eichel
{"title":"Exploring Tradeoffs in Syngas Production With Solid-Oxide Electrolysis via Multi-Objective Optimization","authors":"Gbenga Jerome,&nbsp;Victor Selmert,&nbsp;An Phuc Dam,&nbsp;Nicolas Kruse,&nbsp;Leandros Paschalidis,&nbsp;Remzi Can Samsun,&nbsp;Rüdiger-A. Eichel","doi":"10.1002/cite.70113","DOIUrl":"https://doi.org/10.1002/cite.70113","url":null,"abstract":"<p>Syngas is an important intermediate with a wide range of applications. Recent efforts at Forschungszentrum Jülich focus on the electrolytic production of syngas from water and carbon dioxide through high-temperature solid-oxide cell electrolysis cells (SOECs) for use in methanol synthesis in the context of the DryHy project. In this work, an ASPEN Plus model is developed and used to explore the trade-offs between different objectives in syngas production using solid-oxide electrolysis cells. Two different system designs are investigated: a low- and a high-utilization design. Four key objectives related to syngas composition and SOEC system performance are considered: energy efficiency, stoichiometric number, carbon oxide ratio, and the inlet water-to-carbon dioxide ratio. The trade-offs between these objectives are analyzed to gain insights into the operation of SOEC systems in co-electrolysis mode. A comparison of the two designs reveals that the high-utilization design consistently outperforms the low-utilization design for the considered objectives. In addition, it is observed that a significant difference in the inlet water-to-carbon dioxide ratio required to achieve the stoichiometric number needed for methanol synthesis exists.</p>","PeriodicalId":9912,"journal":{"name":"Chemie Ingenieur Technik","volume":"98 8","pages":"495-506"},"PeriodicalIF":1.6,"publicationDate":"2026-08-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/cite.70113","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148662608","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
Exploring Tradeoffs in Syngas Production With Solid-Oxide Electrolysis via Multi-Objective Optimization 基于多目标优化的固体氧化物电解合成气生产权衡研究
IF 1.6 4区 工程技术
Chemie Ingenieur Technik Pub Date : 2026-08-04 Epub Date: 2026-04-24 DOI: 10.1002/cite.70113
Gbenga Jerome, Victor Selmert, An Phuc Dam, Nicolas Kruse, Leandros Paschalidis, Remzi Can Samsun, Rüdiger-A. Eichel
{"title":"Exploring Tradeoffs in Syngas Production With Solid-Oxide Electrolysis via Multi-Objective Optimization","authors":"Gbenga Jerome,&nbsp;Victor Selmert,&nbsp;An Phuc Dam,&nbsp;Nicolas Kruse,&nbsp;Leandros Paschalidis,&nbsp;Remzi Can Samsun,&nbsp;Rüdiger-A. Eichel","doi":"10.1002/cite.70113","DOIUrl":"https://doi.org/10.1002/cite.70113","url":null,"abstract":"<p>Syngas is an important intermediate with a wide range of applications. Recent efforts at Forschungszentrum Jülich focus on the electrolytic production of syngas from water and carbon dioxide through high-temperature solid-oxide cell electrolysis cells (SOECs) for use in methanol synthesis in the context of the DryHy project. In this work, an ASPEN Plus model is developed and used to explore the trade-offs between different objectives in syngas production using solid-oxide electrolysis cells. Two different system designs are investigated: a low- and a high-utilization design. Four key objectives related to syngas composition and SOEC system performance are considered: energy efficiency, stoichiometric number, carbon oxide ratio, and the inlet water-to-carbon dioxide ratio. The trade-offs between these objectives are analyzed to gain insights into the operation of SOEC systems in co-electrolysis mode. A comparison of the two designs reveals that the high-utilization design consistently outperforms the low-utilization design for the considered objectives. In addition, it is observed that a significant difference in the inlet water-to-carbon dioxide ratio required to achieve the stoichiometric number needed for methanol synthesis exists.</p>","PeriodicalId":9912,"journal":{"name":"Chemie Ingenieur Technik","volume":"98 8","pages":"495-506"},"PeriodicalIF":1.6,"publicationDate":"2026-08-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/cite.70113","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148662609","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
The Current Status of Lithium Resource Extraction From Brine and Optimization Approaches for Adsorbents 卤水提锂资源现状及吸附剂优化方法
IF 1.6 4区 工程技术
Chemie Ingenieur Technik Pub Date : 2026-08-04 Epub Date: 2026-04-26 DOI: 10.1002/cite.70112
Xinlin Zhai, Yusheng Jiang, Yanxiao Si, Shuping Ding, Chengwang Zhao, Hao Wang, Chenran Liu, Chen Hong, Bo Jiang, Weibo Feng, Nan Fu
{"title":"The Current Status of Lithium Resource Extraction From Brine and Optimization Approaches for Adsorbents","authors":"Xinlin Zhai,&nbsp;Yusheng Jiang,&nbsp;Yanxiao Si,&nbsp;Shuping Ding,&nbsp;Chengwang Zhao,&nbsp;Hao Wang,&nbsp;Chenran Liu,&nbsp;Chen Hong,&nbsp;Bo Jiang,&nbsp;Weibo Feng,&nbsp;Nan Fu","doi":"10.1002/cite.70112","DOIUrl":"https://doi.org/10.1002/cite.70112","url":null,"abstract":"<div>\u0000 \u0000 <p>With growing global lithium demand, brine resources have gained research focus due to abundance but extraction challenges. This review summarizes lithium enrichment advances from various brines, comparing mainstream technologies. Adsorption methods show superior potential, though adsorbent performance varies significantly. We comprehensively analyze adsorbents’ technical characteristics, including chemical structures, synthesis, adsorption mechanisms, and separation performance. By evaluating advantages/limitations alongside mechanisms and application challenges, optimization strategies are proposed. Future development directions for novel adsorbents are suggested, providing theoretical and practical guidance to advance brine lithium extraction technologies.</p>\u0000 </div>","PeriodicalId":9912,"journal":{"name":"Chemie Ingenieur Technik","volume":"98 8","pages":"458-484"},"PeriodicalIF":1.6,"publicationDate":"2026-08-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148662787","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
Matching Heat Pump Configurations and Process Parameters for Cost-Minimal Heat-Integrated CO2 Capturing Process 匹配热泵配置和工艺参数的成本最低的热集成二氧化碳捕获过程
IF 1.6 4区 工程技术
Chemie Ingenieur Technik Pub Date : 2026-07-14 Epub Date: 2026-06-01 DOI: 10.1002/cite.70131
Johannes Wloch, Marcus Grünewald, Julia Riese
{"title":"Matching Heat Pump Configurations and Process Parameters for Cost-Minimal Heat-Integrated CO2 Capturing Process","authors":"Johannes Wloch,&nbsp;Marcus Grünewald,&nbsp;Julia Riese","doi":"10.1002/cite.70131","DOIUrl":"https://doi.org/10.1002/cite.70131","url":null,"abstract":"<p>The integration of heat pumps offers a promising route for electrifying chemical processes and reducing CO<sub>2</sub> emissions. Their feasibility strongly depends on the temperature levels and the quantities of available heat sources and sinks, which can be influenced by adjusting process operating parameters to enhance integration potential. The number and quality of these sources and sinks also determine suitable heat pump configurations and therefore the technical and economic viability of implementation. In addition, refrigerant selection is a critical factor, as it is restricted by regulations such as the F-Gas Regulation. This study investigates how different operating parameters affect the integration potential of various heat pump configurations in a CO<sub>2</sub> absorption process using MEA as solvent. Furthermore, economic evaluations are carried out considering different electricity price scenarios and allowable refrigerants.</p>","PeriodicalId":9912,"journal":{"name":"Chemie Ingenieur Technik","volume":"98 7","pages":"429-436"},"PeriodicalIF":1.6,"publicationDate":"2026-07-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/cite.70131","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148532566","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
Preliminary Numerical Evaluation of Directly Heated Structured Packings to be Used for Separation Processes 用于分离过程的直接加热结构填料的初步数值评价
IF 1.6 4区 工程技术
Chemie Ingenieur Technik Pub Date : 2026-07-14 Epub Date: 2026-02-15 DOI: 10.1002/cite.70076
Nicole Lutters, Sascha Brüne, Julia Riese
{"title":"Preliminary Numerical Evaluation of Directly Heated Structured Packings to be Used for Separation Processes","authors":"Nicole Lutters,&nbsp;Sascha Brüne,&nbsp;Julia Riese","doi":"10.1002/cite.70076","DOIUrl":"https://doi.org/10.1002/cite.70076","url":null,"abstract":"<p>Separation processes, such as distillation and stripping, are highly energy-intensive. Typically, energy is supplied indirectly via a reboiler, which is often associated with heat losses. We present a preliminary theoretical evaluation of a novel concept to supply energy directly inside the column using heatable structured packings. These packings can be produced by multi-material 3D printing, resulting in a conductive inner layer and an insulating outer layer. Functioning as electric resistance heaters, these packings serve as heating elements. In this numerical study, we compared different scenarios of energy supply along the height of the column, including uniform distribution, applying a temperature profile, and using or omitting a reboiler.</p>","PeriodicalId":9912,"journal":{"name":"Chemie Ingenieur Technik","volume":"98 7","pages":"336-341"},"PeriodicalIF":1.6,"publicationDate":"2026-07-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/cite.70076","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148533673","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
Method for the Ecological and Economic Assessment of Mechanical Vapour Recompression in the WindaB Tool 在WindaB工具中进行机械蒸汽再压缩的生态经济评价方法
IF 1.6 4区 工程技术
Chemie Ingenieur Technik Pub Date : 2026-07-14 Epub Date: 2026-06-08 DOI: 10.1002/cite.70134
Hannes Schneider, Stephan Scholl, Mandy Paschetag
{"title":"Method for the Ecological and Economic Assessment of Mechanical Vapour Recompression in the WindaB Tool","authors":"Hannes Schneider,&nbsp;Stephan Scholl,&nbsp;Mandy Paschetag","doi":"10.1002/cite.70134","DOIUrl":"https://doi.org/10.1002/cite.70134","url":null,"abstract":"<p>Mechanical vapour recompression (MVR) offers a promising route to increase energy efficiency and cut CO<sub>2</sub> emissions in evaporation and distillation processes by recompressing and recycling vapour streams. Yet, standardised tools for early-stage techno-economic–environmental evaluation are scarce. This contribution presents a generic assessment approach for MVR, implemented in the Python-based WindaB tool. In a methanol–water separation case study, we quantify how the reboiler temperature difference (Δ<i>T</i><sub>reb</sub>) drives operational expenditures (OPEX), capital expenditures (CAPEX), payback time and CO<sub>2</sub>-equivalent emissions, and we assess sensitivities to discount rates, CO<sub>2</sub> certificate prices and energy mixes. Moderate Δ<i>T</i><sub>reb</sub> values combined with low-carbon utilities deliver both economic and ecological gains. The proposed approach thus provides a robust decision-support framework for sustainable process design.</p>","PeriodicalId":9912,"journal":{"name":"Chemie Ingenieur Technik","volume":"98 7","pages":"437-449"},"PeriodicalIF":1.6,"publicationDate":"2026-07-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/cite.70134","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148532804","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 Pump Test Bench with n-Butane (R-600) Generating Steam 正丁烷（R-600）产生蒸汽的高温热泵试验台
IF 1.6 4区 工程技术
Chemie Ingenieur Technik Pub Date : 2026-07-14 Epub Date: 2025-11-06 DOI: 10.1002/cite.70046
Sebastian Benkert, Lukas Joos, Dr.Ing Ursula Wittstadt, Torsten Will, Andreas Burger, Dr.Ing Lena Schnabel, Dr rer. nat. Stefan Henninger, Dr. Ing Thorsten Klahm
{"title":"High-Temperature Heat Pump Test Bench with n-Butane (R-600) Generating Steam","authors":"Sebastian Benkert,&nbsp;Lukas Joos,&nbsp;Dr.Ing Ursula Wittstadt,&nbsp;Torsten Will,&nbsp;Andreas Burger,&nbsp;Dr.Ing Lena Schnabel,&nbsp;Dr rer. nat. Stefan Henninger,&nbsp;Dr. Ing Thorsten Klahm","doi":"10.1002/cite.70046","DOIUrl":"https://doi.org/10.1002/cite.70046","url":null,"abstract":"<p>The demand for process heat significantly contributes to energy consumption, and due to the typically fossil-based heat generation, it has a substantial contribution to Germany's greenhouse gas emissions. In order to decarbonize this sector, heat pumps generating process heat, particularly steam, are essential. This work presents a heat pump test bench using the natural refrigerant <i>n</i>-butane (R-600). The heat pump can provide temperatures of up to 120 °C, with capacities reaching up to 125 kW<sub>th</sub> depending on the source temperature. The results are in line with those from other test benches regarding the coefficient of performance (COP). Further, the operation in three different modes is tested and evaluated: pressurized water heating (PWH), wet steam generation (WSG), and dry steam generation (DSG). The heat transfer shows a slight increase when producing steam.</p>","PeriodicalId":9912,"journal":{"name":"Chemie Ingenieur Technik","volume":"98 7","pages":"364-373"},"PeriodicalIF":1.6,"publicationDate":"2026-07-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/cite.70046","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148532852","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. 7/2026 想你闻Chem .Ing .科技. 7/2026
IF 1.6 4区 工程技术
Chemie Ingenieur Technik Pub Date : 2026-07-14 DOI: 10.1002/cite.70143
{"title":"Titelbild Chem. Ing. Tech. 7/2026","authors":"","doi":"10.1002/cite.70143","DOIUrl":"https://doi.org/10.1002/cite.70143","url":null,"abstract":"<p>Copyright: Pixel-Shot@AdobeStock\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":"98 7","pages":""},"PeriodicalIF":1.6,"publicationDate":"2026-07-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/cite.70143","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148533377","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
Introduction of a Data-Based Preliminary Compressor Design for Mechanical Vapor Compression 基于数据的机械蒸汽压缩压缩机初步设计简介
IF 1.6 4区 工程技术
Chemie Ingenieur Technik Pub Date : 2026-07-14 Epub Date: 2025-12-13 DOI: 10.1002/cite.70051
Lars Hinz, Dr.-Ing. Jan Goeing, Daniel Muth, Christian Herrmann, Dr.-Ing Jens Friedrichs
{"title":"Introduction of a Data-Based Preliminary Compressor Design for Mechanical Vapor Compression","authors":"Lars Hinz,&nbsp;Dr.-Ing. Jan Goeing,&nbsp;Daniel Muth,&nbsp;Christian Herrmann,&nbsp;Dr.-Ing Jens Friedrichs","doi":"10.1002/cite.70051","DOIUrl":"https://doi.org/10.1002/cite.70051","url":null,"abstract":"<p>The German chemical industry is among the most energy-intensive sectors, accounting for approximately 8 % of Germany's total energy consumption. One particularly energy-intensive operation within this sector is distillation, which can be implemented as an open heat pump process. In this configuration, vapor is compressed to a higher pressure level, enabling the reuse of waste heat for process heating. Mechanical vapor compression offers a significant opportunity for the electrification of chemical processes using renewable energy sources. This paper presents a preliminary compressor design approach, based on generic industrial reference compressor. The preliminary design must consider various factors, including different compressor architectures, working fluid properties, and process boundary conditions. Given that the primary objective is to evaluate the overall process potential, generic compressor models are used as the design basis.</p>","PeriodicalId":9912,"journal":{"name":"Chemie Ingenieur Technik","volume":"98 7","pages":"386-391"},"PeriodicalIF":1.6,"publicationDate":"2026-07-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/cite.70051","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148533653","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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