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A Fully 3D-Printed Packed Absorption Column: Design, Hydrodynamic Performance, and CO2 Benchmarking 一个完全3d打印包装吸收柱：设计，流体动力性能，和二氧化碳基准
IF 2 4区 工程技术
Chemical Engineering & Technology Pub Date : 2026-07-22 DOI: 10.1002/ceat.70280
Simon Brinkmann, Dennis Stucke, Mohamed Adel Ashour, Matthias Körner, Thomas Grützner, Bernhard C. Seyfang
{"title":"A Fully 3D-Printed Packed Absorption Column: Design, Hydrodynamic Performance, and CO2 Benchmarking","authors":"Simon Brinkmann,&nbsp;Dennis Stucke,&nbsp;Mohamed Adel Ashour,&nbsp;Matthias Körner,&nbsp;Thomas Grützner,&nbsp;Bernhard C. Seyfang","doi":"10.1002/ceat.70280","DOIUrl":"https://doi.org/10.1002/ceat.70280","url":null,"abstract":"<p>Additive manufacturing enables tailored column internals and structured packings that are difficult to fabricate by conventional methods. While significant progress has been made in the development of additively manufactured packings, no study to date presents a fully 3D-printed absorption column in which both the shell and internals are additively manufactured and validated as an integrated system. This work introduces a modular DN50 absorption column fabricated entirely from polyamide 12 by selective laser sintering, equipped with XW-Pak structured packing. The column is characterized with respect to hydrodynamic performance, including dry and irrigated pressure drop. Absorption performance is evaluated using <span></span><math></math> absorption into aqueous sodium hydroxide as a benchmark system relevant to direct air capture. The results demonstrate the feasibility of a fully additively manufactured absorption column as a flexible platform for rapid prototyping of novel packing geometries.</p>","PeriodicalId":10083,"journal":{"name":"Chemical Engineering & Technology","volume":"49 7","pages":""},"PeriodicalIF":2.0,"publicationDate":"2026-07-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/ceat.70280","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148615763","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
Correction to “Entropy Analysis of Al2O3–TiO2/H2O Hybrid Nanofluid Flow Over an Exponential Stretching Sheet With Thermal Dissipation and Chemical Reactions” 修正“Al2O3-TiO2 /H2O杂化纳米流体在具有热耗散和化学反应的指数拉伸片上流动的熵分析”
IF 2 4区 工程技术
Chemical Engineering & Technology Pub Date : 2026-07-17 DOI: 10.1002/ceat.70255
{"title":"Correction to “Entropy Analysis of Al2O3–TiO2/H2O Hybrid Nanofluid Flow Over an Exponential Stretching Sheet With Thermal Dissipation and Chemical Reactions”","authors":"","doi":"10.1002/ceat.70255","DOIUrl":"https://doi.org/10.1002/ceat.70255","url":null,"abstract":"<p>B. Venkateswarlu, D. C. Kesavaiah, S. W. Joo, and A. S. M. Metwally, “Entropy Analysis of Al<sub>2</sub>O<sub>3</sub>–TiO<sub>2</sub>/H<sub>2</sub>O Hybrid Nanofluid Flow over an Exponential Stretching Sheet with Thermal Dissipation and Chemical Reactions,” <i>Chemical Engineering &amp; Technology</i> 48, no. 7 (2025): e70046, https://doi.org/10.1002/ceat.70046.</p><p>In the original publication of this article, there was a typographical error in Table 1 regarding the thermal conductivity of the base liquid (H<sub>2</sub>O). The correct value reported in Table 1 is <i>σ</i> = 55 × 10<sup>−7</sup> (S.m<sup>−1</sup>).</p><p>We apologize for this error.</p>","PeriodicalId":10083,"journal":{"name":"Chemical Engineering & Technology","volume":"49 7","pages":""},"PeriodicalIF":2.0,"publicationDate":"2026-07-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/ceat.70255","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148467601","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
Comment on the Paper “Chemical Engineering Technology (2025) e70046” 《化工技术（2025）e70046》论文评析
IF 2 4区 工程技术
Chemical Engineering & Technology Pub Date : 2026-07-17 DOI: 10.1002/ceat.70257
Asterios Pantokratoras
{"title":"Comment on the Paper “Chemical Engineering Technology (2025) e70046”","authors":"Asterios Pantokratoras","doi":"10.1002/ceat.70257","DOIUrl":"https://doi.org/10.1002/ceat.70257","url":null,"abstract":"<div>\u0000 \u0000 <p>Three serious errors exist in the paper “Chemical Engineering Technology (2025) e70046.”</p>\u0000 </div>","PeriodicalId":10083,"journal":{"name":"Chemical Engineering & Technology","volume":"49 7","pages":""},"PeriodicalIF":2.0,"publicationDate":"2026-07-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148467602","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
Exergy-Based Catalytic Intensification of Neem Biodiesel Using g-C3N4/ZnO Nanohybrids g-C3N4/ZnO纳米杂化物催化强化印楝生物柴油
IF 2 4区 工程技术
Chemical Engineering & Technology Pub Date : 2026-07-17 DOI: 10.1002/ceat.70279
Reda A. Haggam, Syed Javed, Lionus Leo G. M., Yuvarajan Devarajan, Ravikumar Jayabal, Chrispin Das M.
{"title":"Exergy-Based Catalytic Intensification of Neem Biodiesel Using g-C3N4/ZnO Nanohybrids","authors":"Reda A. Haggam,&nbsp;Syed Javed,&nbsp;Lionus Leo G. M.,&nbsp;Yuvarajan Devarajan,&nbsp;Ravikumar Jayabal,&nbsp;Chrispin Das M.","doi":"10.1002/ceat.70279","DOIUrl":"https://doi.org/10.1002/ceat.70279","url":null,"abstract":"<div>\u0000 \u0000 <p>Second-generation biodiesel is constrained by slow oxidation kinetics and high thermodynamic irreversibility. This study presents a catalytic process-intensification strategy using g-C<sub>3</sub>N<sub>4</sub>/ZnO core–shell nanohybrids to enhance the performance of Neem biodiesel. The heterostructure accelerates oxidation and improves heat-release uniformity, reducing entropy generation. At 100 ppm in a B25 blend, cumulative exergy destruction decreased by 26.5%, and second law efficiency increased to 29.15%, exceeding diesel. A physics-informed graph neural network with multiple attention mechanisms was developed to model catalytic–thermodynamic interactions, achieving <i>R</i><sup>2</sup> &gt; 0.99 and mean absolute percentage error (MAPE) &lt; 0.5%. Multi-objective optimization identified the catalytic optimum with 3.4% higher thermal efficiency and 3.9% lower NO<i>x</i>, demonstrating exergy-preserving catalytic upgrading of biodiesel.</p>\u0000 </div>","PeriodicalId":10083,"journal":{"name":"Chemical Engineering & Technology","volume":"49 7","pages":""},"PeriodicalIF":2.0,"publicationDate":"2026-07-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148467600","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
Machine Learning and Peleg Kinetics for Phenolic Extraction From Neem Leaves 印楝叶酚类物质提取的机器学习和Peleg动力学
IF 2 4区 工程技术
Chemical Engineering & Technology Pub Date : 2026-07-15 DOI: 10.1002/ceat.70277
Sandeep P. Shewale, Manesh B. Patil, Nitin M. Rane
{"title":"Machine Learning and Peleg Kinetics for Phenolic Extraction From Neem Leaves","authors":"Sandeep P. Shewale,&nbsp;Manesh B. Patil,&nbsp;Nitin M. Rane","doi":"10.1002/ceat.70277","DOIUrl":"https://doi.org/10.1002/ceat.70277","url":null,"abstract":"<div>\u0000 \u0000 <p>UAE is a validated method for the separation of phenolic compounds from plants in the development of nutraceuticals and foods. The ability to predict yield as a function of process conditions is key to proper equipment sizing and process scale-up. However, the Peleg model depends only on extraction time. This article evaluates Peleg versus Random Forest (RF) regression on 348 UAE data points for the total phenolic content of <i>Azadirachta indica</i> (neem) leaf powder. Peleg generated <i>R</i><sup>2</sup> = 0.937 and RMSE = 0.86 mg GA g<sup>−1</sup>. On the other hand, RF, which used eight predictors and was tested against 70 validation samples, produced <i>R</i><sup>2</sup> = 0.955 and RMSE = 0.68 mg GA g<sup>−1</sup>, a 21% improvement in accuracy. Time alone accounted for ∼96% of the variance. An advantage of RF is that it provides a ready-to-use prediction model without additional experimentation.</p>\u0000 </div>","PeriodicalId":10083,"journal":{"name":"Chemical Engineering & Technology","volume":"49 7","pages":""},"PeriodicalIF":2.0,"publicationDate":"2026-07-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148467263","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
Slag Waste Heat Recovery Technologies for Steel Industry: A State-of-the-Art Review 钢铁工业炉渣余热回收技术研究进展
IF 2 4区 工程技术
Chemical Engineering & Technology Pub Date : 2026-07-15 DOI: 10.1002/ceat.70274
Ruoxun Zhang, Dunyu Liu, Wenquan Lin, Jingjie Wang, Jianqiang Zhang, Bo Ai, Qiulin Wang, Jing Jin
{"title":"Slag Waste Heat Recovery Technologies for Steel Industry: A State-of-the-Art Review","authors":"Ruoxun Zhang,&nbsp;Dunyu Liu,&nbsp;Wenquan Lin,&nbsp;Jingjie Wang,&nbsp;Jianqiang Zhang,&nbsp;Bo Ai,&nbsp;Qiulin Wang,&nbsp;Jing Jin","doi":"10.1002/ceat.70274","DOIUrl":"https://doi.org/10.1002/ceat.70274","url":null,"abstract":"<div>\u0000 \u0000 <p>The steel industry accounts for 10%–15% of global energy consumption and ∼7% of anthropogenic CO<sub>2</sub> emissions. Recovering waste heat from slag is therefore crucial for low-carbon development. This review examines physical and chemical recovery approaches. Among physical methods, centrifugal granulation shows promise due to stable granulation and high capacity. It produces 1.5–6 mm particles and handles 60–80 t/h of slag, achieving 60%–80% recovery efficiency. For chemical methods, methane reforming, coal gasification, and pyrolysis are key pathways. Slag addition boosts methane reforming conversion to 96%, whereas coal gasification achieves 90% waste heat recovery efficiency. Regarding carbon reduction, CaO-based slag modification decreases emissions by 315 kg CO<sub>2</sub>/t, and carbon sequestration processes achieve reductions up to 918.5 kg CO<sub>2</sub>/t. This study provides a selection framework for recovery technologies to enhance efficiency and minimize global warming impacts.</p>\u0000 </div>","PeriodicalId":10083,"journal":{"name":"Chemical Engineering & Technology","volume":"49 7","pages":""},"PeriodicalIF":2.0,"publicationDate":"2026-07-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148467260","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
Optimization and CFD-RSM Analysis of a Disk Hydrodynamic Reactor for Enhanced Biodiesel Production 圆盘式生物柴油反应器优化及CFD-RSM分析
IF 2 4区 工程技术
Chemical Engineering & Technology Pub Date : 2026-07-15 DOI: 10.1002/ceat.70278
Asghar Khodadadi, Fatemeh Khadivi, Ebrahim Fayyazi, Shirin Ghatrehsamani, Bahram Hosseinzadeh Samani
{"title":"Optimization and CFD-RSM Analysis of a Disk Hydrodynamic Reactor for Enhanced Biodiesel Production","authors":"Asghar Khodadadi,&nbsp;Fatemeh Khadivi,&nbsp;Ebrahim Fayyazi,&nbsp;Shirin Ghatrehsamani,&nbsp;Bahram Hosseinzadeh Samani","doi":"10.1002/ceat.70278","DOIUrl":"https://doi.org/10.1002/ceat.70278","url":null,"abstract":"<div>\u0000 \u0000 <p>Due to environmental challenges and the limited availability of fossil fuels, sustainable biodiesel production is increasingly vital. We selected a rotating-disk hydrodynamic reactor for optimal production and enhanced agitation. Using computational fluid dynamics (CFD) with the <i>k</i>–<i>ε</i> model and response surface methodology (RSM), we optimized disk tooth slope (0°–20°), disk spacing (2–6 mm), and rotational speed (1500–2500 rpm). Results showed rotational speed has the greatest impact on response variables, whereas larger disk spacing reduces turbulent kinetic energy (TKE) production. Optimal conditions were tooth slope 0°, spacing 2 mm, and speed 2377 rpm. At this point, the simulated values reached a maximum TKE of 3.9432, an average TKE of 0.86956, and a pressure difference of 14 787 Pa. The rotating-disk reactor greatly improves mixing and mass transfer, enabling higher quality, lower cost biodiesel compared to conventional methods.</p>\u0000 </div>","PeriodicalId":10083,"journal":{"name":"Chemical Engineering & Technology","volume":"49 7","pages":""},"PeriodicalIF":2.0,"publicationDate":"2026-07-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148467259","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
Organometallic Reagent-Mediated Functionalization of Aromatic Compounds in Continuous-Flow System 连续流系统中有机金属试剂介导的芳香族化合物功能化
IF 2 4区 工程技术
Chemical Engineering & Technology Pub Date : 2026-07-15 DOI: 10.1002/ceat.70273
Selvam Vasanth, Jenu Navyatha, Thanigaivel Senthilkumar, Palanisamy Sowntharya, Vasudevan Dhayalan
{"title":"Organometallic Reagent-Mediated Functionalization of Aromatic Compounds in Continuous-Flow System","authors":"Selvam Vasanth,&nbsp;Jenu Navyatha,&nbsp;Thanigaivel Senthilkumar,&nbsp;Palanisamy Sowntharya,&nbsp;Vasudevan Dhayalan","doi":"10.1002/ceat.70273","DOIUrl":"https://doi.org/10.1002/ceat.70273","url":null,"abstract":"<div>\u0000 \u0000 <p>This review describes recent developments in the functionalization of aromatic and heteroaromatic scaffolds using a variety of accessible, reactive organometallic reagents (Li, Mg, Zn, Na, K, etc.) in a continuous-flow process. Many research groups notably demonstrated efficient large-scale conditions for the synthesis of highly functionalized arenes and heteroarenes in moderate to high yields. Flow reactions emphasize reaction scope, tolerance to a wide range of functional groups, clean reactions, commercial availability of starting materials, and high regio- and chemoselectivity. This process will support the sustainable development of biologically important heterocyclic compounds, as well as drugs and natural products. This article reviews work published between 2010 and 2025 and provides a detailed overview, with many applications in organic synthesis and medicinal chemistry.</p>\u0000 </div>","PeriodicalId":10083,"journal":{"name":"Chemical Engineering & Technology","volume":"49 7","pages":""},"PeriodicalIF":2.0,"publicationDate":"2026-07-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148467261","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
Thermally Radiative Electromagnetic Trihybrid Nanofluid Flow on a Variable Darcy Regime 变达西模式下的热辐射电磁三杂化纳米流体流动
IF 2 4区 工程技术
Chemical Engineering & Technology Pub Date : 2026-07-15 DOI: 10.1002/ceat.70276
Ebrahem A. Algehyne, Adel Alatawi, Weam G. Alharbi, Marwa M. Alzubaidi, Arshad Khan
{"title":"Thermally Radiative Electromagnetic Trihybrid Nanofluid Flow on a Variable Darcy Regime","authors":"Ebrahem A. Algehyne,&nbsp;Adel Alatawi,&nbsp;Weam G. Alharbi,&nbsp;Marwa M. Alzubaidi,&nbsp;Arshad Khan","doi":"10.1002/ceat.70276","DOIUrl":"https://doi.org/10.1002/ceat.70276","url":null,"abstract":"<div>\u0000 \u0000 <p>This work studies the flow of electromagnetic trihybrid nanofluid on a variable Darcy regime. The transfer of energy is described using thermodynamics’ first law, with thermal flux, viscous dissipation, and Joule heating effects. Meanwhile, the analysis of entropy generation is conducted through second law of thermodynamics. The effects of electric and magnetic fields have been used to control the flow of fluid. It has been highlighted in this work that velocity rises with increasing electric field and Darcy factor, whereas growth in magnetic effects and nanoparticle concentration reduced it. Higher Eckert number, electric, magnetic, and radiation parameters, and nanoparticle concentration enhanced heat transfer and Bejan number but reduced the production of entropy. At 0.04 concentration of nanoparticles, heat transfer rises by 11.27% for MWCNTs, 13.46% for Cu + MWCNTs, and 17.62% for MgO + Cu + MWCNTs, emphasizing the superior thermal performance of trihybrid nanofluid.</p>\u0000 </div>","PeriodicalId":10083,"journal":{"name":"Chemical Engineering & Technology","volume":"49 7","pages":""},"PeriodicalIF":2.0,"publicationDate":"2026-07-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148467262","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
Enhanced Storage Stability of Betalains From Amaranthus and Beta vulgaris Employing Green Additives 绿色添加剂对苋菜和甜菜素贮藏稳定性的影响
IF 2 4区 工程技术
Chemical Engineering & Technology Pub Date : 2026-07-14 DOI: 10.1002/ceat.70275
Vivek Gupta, Vaishali Saraswat, Trivikram Nallamilli, K. S. M. S. Raghavarao
{"title":"Enhanced Storage Stability of Betalains From Amaranthus and Beta vulgaris Employing Green Additives","authors":"Vivek Gupta,&nbsp;Vaishali Saraswat,&nbsp;Trivikram Nallamilli,&nbsp;K. S. M. S. Raghavarao","doi":"10.1002/ceat.70275","DOIUrl":"https://doi.org/10.1002/ceat.70275","url":null,"abstract":"<div>\u0000 \u0000 <p><i>Beta vulgaris</i> is the most common source of betalains, but their industrial application is limited by poor storage stability. Betalains from <i>Amaranthus</i> have emerged as a promising alternative. This study comparatively evaluated the stability and degradation kinetics of betalains from <i>Amaranthus</i> and <i>B. vulgaris</i> under different pH conditions (4–8), temperatures, and in green additives. The results demonstrated that betalains are strongly influenced by pH and temperature. Maximum stability of betalains is observed under slightly acidic conditions, with optimum pH values of 6 for <i>Amaranthus</i> and 5 for <i>B. vulgaris</i>, whereas the degradation of betalains follows first-order kinetics. MgCl<sub>2</sub>:urea (2:1) based natural deep eutectic solvents improved the pigment stability. Among the stabilization systems, aqueous two-phase systems (ATPSs), particularly polyethylene glycol (PEG) 4000: MgSO<sub>4</sub>, showed superior preservation, achieving up to 92% retention under refrigerated conditions and 81.6% at room temperature.</p>\u0000 </div>","PeriodicalId":10083,"journal":{"name":"Chemical Engineering & Technology","volume":"49 7","pages":""},"PeriodicalIF":2.0,"publicationDate":"2026-07-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148467056","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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