Journal of the Taiwan Institute of Chemical Engineers最新文献

{"title":"Designing, modeling, and multi-response optimization of Ni/Co-coated carbon fibers for electromagnetic shielding and electrothermal applications","authors":"Hamidreza Moradi ,&nbsp;Komeil Nasouri ,&nbsp;Gholamreza Askari","doi":"10.1016/j.jtice.2025.106116","DOIUrl":"10.1016/j.jtice.2025.106116","url":null,"abstract":"<div><h3>Background</h3><div>Magnetic nanoparticle-coated carbon fibers have attracted lots of research for their electromagnetic interference (EMI) shielding applications. This research is focused on optimizing the coating process of Ni/Co alloy nanoparticles on carbon fiber surfaces to achieve suitable properties including electrical conductivity, EMI shielding, and electrothermal.</div></div><div><h3>Methods</h3><div>The effects of deposition time (60–180 s) and current density (2–6 A/dm²) on Ni/Co loading amount, electrical conductivity, and shielding effectiveness (SE) are investigated using the response surface method (RSM). By using the RSM method, a mathematical model is introduced for each of the parameters of load value results, electrical conductivity, and SE and this model is validated with statistical methods.</div></div><div><h3>Significant findings</h3><div>The current density, contrary to the effect of plating time, SE value first developments with the increase of the current from 2 A/dm² to 4 A/dm², Then, by increasing the current density from 4 A/dm² to 6 A/dm², SE reaches its lowest level. The optimal sample is selected with a plating time of 180 s and a current density of 3.2 A/dm². The amount of Ni/Co loading, electrical conductivity, and SE of the optimal sample are 6.15 ± 0.11 %, 625.64 ± 39.55 S/cm, and 63.8 ± 0.8 dB, respectively. The electrothermal results show that voltage changes from 0.7 to 3.4 V lead to optimized sample temperature changes from 32.0 to 286.0 °C, thus making this fabric attractive for specific applications.</div></div>","PeriodicalId":381,"journal":{"name":"Journal of the Taiwan Institute of Chemical Engineers","volume":"172 ","pages":"Article 106116"},"PeriodicalIF":5.5,"publicationDate":"2025-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143738760","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Coincident augmentation and alignment of lamellar stacking structures for rapid fabrication of solid-state polymer photonic crystal films","authors":"Ahmed Gamal AboElsood ,&nbsp;Yuan Xiang ,&nbsp;I-Ming Lin ,&nbsp;Ci-Ren Chen ,&nbsp;Yeo-Wan Chiang","doi":"10.1016/j.jtice.2025.106107","DOIUrl":"10.1016/j.jtice.2025.106107","url":null,"abstract":"<div><h3>Background</h3><div>Microphase Separation from block copolymers can form ordered microstructures in different dimensionalities by controlling the chemical nature, degree of polymerization, as well as volume fractions of the constituent block. The block copolymer photonic crystal (PC) gels with ordered microstructures can be tailored to manipulate photonic bandgaps and light propagation characteristics for sensing various stimuli. To expand applications, the fabrication of the block copolymer PCs in the solid state is necessary. However, this challenge requires the synthesis of ultrahigh-molecular-weight (&gt; 1000 kg/mol) copolymers to increase the periodicity and control microstructural orientation.</div></div><div><h3>Methods</h3><div>The generation of PC films in a solid state is carried out using ternary block copolymer supramolecules, poly(methyl methacrylate)-<em>block</em>-poly(2-vinyl pyridine) (PMMA-<em>b</em>-P2VP) cooperated with mesogens of cholesteryl hemisuccinate (CholHS) and poly(methyl methacrylate) homopolymer (hPMMA).</div></div><div><h3>Significant findings</h3><div>Without time-consuming multiple steps for the augmented periodicity and microstructural alignment, control over the photonic bandgap covering the entire visible spectrum, facilitated by the arrangement of alternating high- and low-refractive-index stacking layers, can be carried out through these innovative co-assembled supramolecules. The photonic bandgap of the PC can be simply adjusted by the structural periodicity through manipulating the quantities of mesogens due to the stretching of the P2VP block chain by hydrogen bonding interaction. Also, the included liquid crystalline mesogen can induce parallel alignment of the lamellae such that large-area block copolymer PCs in the solid state can be rapidly fabricated, promising in sensing, display, and anti-counterfeit applications due to the ease of functionalized P2VP chains.</div></div>","PeriodicalId":381,"journal":{"name":"Journal of the Taiwan Institute of Chemical Engineers","volume":"172 ","pages":"Article 106107"},"PeriodicalIF":5.5,"publicationDate":"2025-03-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143738761","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Efficient and selective capture of lead ions by a covalent organic framework: Structure, performance and mechanism","authors":"Yongbing Yuan,&nbsp;Tinglu Wang,&nbsp;Liang He,&nbsp;Xingtong Ai,&nbsp;Lijun Li,&nbsp;Congshan Zhou,&nbsp;Tao Yang","doi":"10.1016/j.jtice.2025.106108","DOIUrl":"10.1016/j.jtice.2025.106108","url":null,"abstract":"<div><h3>Background</h3><div>In recent years, lead contamination in aquatic environments has become a significant concern. Covalent organic frameworks (COFs) have shown great potential in preventing and remediating water pollution due to their superior performance characteristics.</div></div><div><h3>Methods</h3><div>DHTA-TAPA COF was synthesized via a solvothermal method through the condensation reaction between tris(4-aminophenyl) amine (TAPA) and 2,5-dihydroxyterephthalaldehyde (DHTA). The effects of parameters such as pH, initial ion concentration, temperature, and adsorption duration on the efficiency of Pb²⁺ removal by DHTA-TAPA COF were investigated.</div></div><div><h3>Findings</h3><div>A novel imine-linked covalent organic framework (DHTA-TAPA COF) has been successfully synthesized, which exhibits an exceptionally high theoretical Pb²⁺ adsorption capacity of 472.19 mg/g and demonstrates outstanding selective adsorption for lead ions, even in the presence of competing heavy metal ions. The unique structure of the COF, rich in nitrogen and oxygen functional groups, facilitates strong coordination and chelation interactions with Pb²⁺ during the adsorption process, ensuring stable immobilization of lead ions. Remarkably, after five consecutive adsorption-desorption cycles, the adsorption capacity decreased by only 15%, underscoring its excellent regenerability and practical potential as a high-performance adsorbent for the remediation of lead-contaminated water.</div></div>","PeriodicalId":381,"journal":{"name":"Journal of the Taiwan Institute of Chemical Engineers","volume":"172 ","pages":"Article 106108"},"PeriodicalIF":5.5,"publicationDate":"2025-03-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143735090","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Investigation of toluene-methyl isobutyl ketone mixed solvents as extractants for efficient separating ethylene carbonate from ethylene glycol","authors":"Haoru Tang ,&nbsp;Jing Ren ,&nbsp;Xuxu Shi ,&nbsp;Chuan Yi ,&nbsp;Man Zhang ,&nbsp;Binshen Wang","doi":"10.1016/j.jtice.2025.106113","DOIUrl":"10.1016/j.jtice.2025.106113","url":null,"abstract":"<div><h3>Background</h3><div>The separation of value-added glycerol carbonate, versatile commercial ethylene glycol (EG), and residual ethylene carbonate (EC) is crucial for further application after transesterification of glycerol and EC. However, the EC and EG form an azeotropic mixture, which cannot be separated by conventional distillation methods.</div></div><div><h3>Methods</h3><div>To separate EC-EG azeotropic mixture, a mixed extractant of toluene and methyl isobutyl ketone (MIBK) was developed to extract EG and EC by liquid-liquid extraction. The selection of suitable extractants with high selectivity (<em>S</em>) and distribution coefficient (<em>D</em>) is key to achieving efficient separation. Herein, to evaluate the feasibility of extractive separation of EG and EC, the corresponding liquid−liquid equilibrium (LLE) data were measured at 313.2 K under atmospheric pressure.</div></div><div><h3>Significant findings</h3><div>The mixed extractant showed higher <em>D</em> than toluene alone and higher <em>S</em> than MIBK alone, which makes it a more suitable extractant for separating the EC-EG mixture. In addition, the radial distribution function showed that the peak height <em>g</em>(<em>r</em>) between extractants (MIBK and toluene) and EC (1.58–1.83) was higher than that between extractants and EG (1.01–1.15), suggesting that toluene and MIBK preferentially extracted EC from the EC-EG mixture. Herein, this study provided an effective strategy for separating EC and EG after transesterification of glycerol and EC.</div></div>","PeriodicalId":381,"journal":{"name":"Journal of the Taiwan Institute of Chemical Engineers","volume":"172 ","pages":"Article 106113"},"PeriodicalIF":5.5,"publicationDate":"2025-03-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143724958","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Online weighted dynamic time-difference neighborhood preserving embedding for dynamic process monitoring","authors":"Kun Wang,&nbsp;Hongbo Shi,&nbsp;Yang Tao,&nbsp;Bing Song","doi":"10.1016/j.jtice.2025.106035","DOIUrl":"10.1016/j.jtice.2025.106035","url":null,"abstract":"<div><h3>Background:</h3><div>Process monitoring is an important technology for ensuring the safety of the operating process. Recently, many methods based on neighborhood preserving embedding (NPE) are designed for extracting the local structure of data space. However, data collected in actual industrial processes usually exhibit serial correlation. These methods lack attention to time information and ignore the discrepancy in the discriminability of latent variables to faults.</div></div><div><h3>Methods:</h3><div>In order to alleviate the drawbacks for better monitoring performance, a novel online weighted dynamic time-difference neighborhood preserving embedding (OW-DTNPE) algorithm is proposed. Considering the serial correlation, the DTNPE is designed to construct the low-dimensional space based on a new neighborhood selection criterion, which preserves the global–local time information and local space information of process data. In addition, the online weighting strategy is designed based on the deviation degree of each latent variable in real-time. The different weights reflect the correlation between latent variables and faults.</div></div><div><h3>Significant Findings:</h3><div>The effectiveness of the proposed algorithm is demonstrated by a real glycerol distillation process, a numerical case, and Tennessee Eastman (TE) process. The proposed OW-DTNPE outperforms the other comparison methods and shows great potential in real applications.</div></div>","PeriodicalId":381,"journal":{"name":"Journal of the Taiwan Institute of Chemical Engineers","volume":"172 ","pages":"Article 106035"},"PeriodicalIF":5.5,"publicationDate":"2025-03-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143705179","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Recent progress in ceramic heat exchangers","authors":"Maryam Saberinia ,&nbsp;Farhad Sadegh Moghanlou ,&nbsp;Mohammad Vajdi ,&nbsp;Amir Heydari ,&nbsp;Mehdi Shahedi Asl","doi":"10.1016/j.jtice.2025.106082","DOIUrl":"10.1016/j.jtice.2025.106082","url":null,"abstract":"<div><div>Ceramic heat exchangers have emerged as a promising solution for thermal energy recovery in diverse applications, including chemical processing, power generation, and air conditioning systems. Traditional metallic materials, such as copper, stainless steel, and aluminum, often encounter significant limitations in high-temperature and corrosive environments, resulting in decreased efficiency and shorter operational lifespans. This has led to a growing interest in ceramics, which exhibit superior thermal and mechanical properties, making them particularly suitable for demanding conditions.</div><div>This review offers a comprehensive analysis of ceramic composite heat exchangers, emphasizing the thermal and mechanical characteristics of various ceramic materials that enable them to endure harsh operational environments. It examines recent advancements in ceramic heat exchanger technology, incorporating insights from experimental, theoretical, and numerical studies. The review highlights progress in advanced ceramic materials, particularly novel composites that enhance thermal conductivity and mechanical strength. It also explores the effects of channel geometry and fluid dynamics on heat transfer performance, alongside innovative manufacturing techniques like additive manufacturing and sintering, which can enhance production consistency and reduce costs.</div><div>The findings underscore that ceramics provide significant advantages over metals under extreme conditions, achieving heat transfer efficiencies that markedly exceed those of traditional metal exchangers. Insights from the literature present valuable guidelines for design optimization and efficiency enhancement in ceramic heat exchangers, supporting their wider adoption in industrial applications and contributing to energy savings and improved sustainability in thermal management systems.</div></div>","PeriodicalId":381,"journal":{"name":"Journal of the Taiwan Institute of Chemical Engineers","volume":"172 ","pages":"Article 106082"},"PeriodicalIF":5.5,"publicationDate":"2025-03-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143703888","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Photodegradation of tetracycline and coupling photocatalytic H2O2 production driven by concave resins with different concavities under visible light irradiation","authors":"Xinyang He,&nbsp;Ying Tian,&nbsp;Weiwei Lu,&nbsp;Fangfen Jing,&nbsp;Mingzhu Jin,&nbsp;Jiahui Zhu,&nbsp;Qi Fong,&nbsp;Rongtai Yu","doi":"10.1016/j.jtice.2025.106101","DOIUrl":"10.1016/j.jtice.2025.106101","url":null,"abstract":"<div><h3>Background</h3><div>The widespread presence of antibiotics in aquatic environments poses severe ecological risks due to inadequate removal in conventional wastewater treatment. This study investigates morphology-controlled concave polymer nanospheres for simultaneous tetracycline (TC) degradation and photocatalytic H₂O₂ production.</div></div><div><h3>Methods</h3><div>Synthesis of aminophenol-formaldehyde resins (APF) using 3-aminophenol (3-AP), ammonia water, and formaldehyde. Through precise acetone-mediated etching, three concave resin catalysts with distinct concavities (70–78 nm) and wall thicknesses (47–54 nm) were synthesized.</div></div><div><h3>Significant findings</h3><div>Systematic characterization revealed that increased wall thickness enhanced visible-light absorption (up to 700 nm), while higher concavity improved light reflection efficiency. The catalyst synthesized with 38 mL acetone demonstrated optimal H₂O₂ yield (168.5 mg g⁻¹), whereas the maximum TC degradation efficiency (106.57 % at 180 min) was achieved using the 32 mL acetone-etched catalyst with the deepest concavity. Mechanistic studies identified synergistic effects between light scattering geometry and charge carrier dynamics, where concave structures facilitated multi-directional photon utilization while thickened walls suppressed electron-hole recombination. This work provides new insights into morphology engineering for dual-functional photocatalytic systems in environmental remediation.</div></div>","PeriodicalId":381,"journal":{"name":"Journal of the Taiwan Institute of Chemical Engineers","volume":"172 ","pages":"Article 106101"},"PeriodicalIF":5.5,"publicationDate":"2025-03-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143685030","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"COSMO-RS prediction, liquid-liquid equilibrium experiment and quantum chemistry calculation for the separation of methanol and dimethyl carbonate system using dihydrogen phosphate ionic liquids","authors":"Jiaxin Liu,&nbsp;Qinqin Zhang,&nbsp;Chao Wang,&nbsp;Yu Sheng,&nbsp;Jiahui Liu,&nbsp;Yulin Li,&nbsp;Hua Xin,&nbsp;Zhigang Zhang","doi":"10.1016/j.jtice.2025.106102","DOIUrl":"10.1016/j.jtice.2025.106102","url":null,"abstract":"<div><h3>Background</h3><div>Dimethyl carbonate (DMC) is a high value-added chemical, and is also an important chemical raw material and solvent in industry, with a wide range of applications. During the synthesis of dimethyl carbonate, the azeotropic mixtures of DMC and methanol (MeOH), which cannot be separated through conventional distillation, will form inevitably.</div></div><div><h3>Methods</h3><div>In this paper, the feasibility of liquid-liquid extraction separation of DMC and MeOH using ionic liquids (ILs) was explored. 1-ethyl-3-methylimidazolium dihydrogen phosphate ([C₂MIM][H₂PO₄]), 1‑butyl‑3-methylimidazolium dihydrogen phosphate (C₄MIM] [H₂PO₄]), and 1-pentyl-3-methylimidazolium dihydrogen phosphate ( [C₅MIM] [H₂PO₄]) were selected as extractants based on the selectivity calculated by COSMO-RS model as well as the physio-chemical properties of ILs. Liquid-liquid equilibrium (LLE) data for the DMC (1)- MeOH (2)- IL (3) ternary systems were measured at 303.15 K and atmospheric pressure. Selectivity and partition coefficients were calculated based on the experimental LLE results to assess the separation performance of ILs. Othmer-Tobias, Bachman and Hand equations were used to check the quality of the experimental data. NRTL was utilized to correlate the experimental data to obtain the binary interaction parameters. The separation mechanism of the three ILs was explored by interaction energy, IGMH analysis, AIM topological analysis, and FT-IR. Finally, the feasibility of the proposed method in industrial scale was explored using Aspen plus software.</div></div><div><h3>Significant findings</h3><div>The experimental results demonstrated that all the three ILs could be used as potential extractants for liquid-liquid extraction separation of DMC and MeOH. Quantum chemistry calculation and FT-IR results showed it was hydrogen bond that played a key role in the separation of DMC and MeOH mixture using ionic liquids with [H₂PO₄] anions. Liquid-liquid extraction separation of DMC and MeOH in industrial scale is feasible.</div></div>","PeriodicalId":381,"journal":{"name":"Journal of the Taiwan Institute of Chemical Engineers","volume":"172 ","pages":"Article 106102"},"PeriodicalIF":5.5,"publicationDate":"2025-03-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143684971","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Enhancing the analytical modeling of proton-exchange membrane fuel cells for optimal parameter extraction with the Ali Baba and the forty thieves algorithm","authors":"Lazhar Linoubli ,&nbsp;Salah Hajji ,&nbsp;Ramzi Ben Messaoud","doi":"10.1016/j.jtice.2025.106093","DOIUrl":"10.1016/j.jtice.2025.106093","url":null,"abstract":"<div><h3>Background:</h3><div>This research presents an improvement in the analytical modeling of the equivalent electrical circuit of Proton-Exchange Membrane Fuel Cells (PEMFC). This enhancement is based on a more generalized theoretical framework than existing approaches, providing a more accurate representation of the fuel cell’s electrical behavior.</div></div><div><h3>Methods:</h3><div>A new expression for the activation voltage has been developed from an improved solution to the Butler–Volmer equation, providing a more accurate representation of electrochemical kinetics without resorting to the Tafel approximation. Additionally, a generalized formulation of the reversible voltage, accounting for the presence of water vapor, along with adjustments to the concentration voltage, has been integrated to optimize the model’s accuracy. The <em>Ali Baba and The Forty Thieves</em> (AFT) metaheuristic algorithm is employed for parameter extraction, ensuring efficient and robust model optimization.</div></div><div><h3><strong>Significant Results:</strong></h3><div>The proposed model demonstrates significantly higher accuracy, with Total Sum of Squares (SSE) values of <span><math><mrow><mn>3</mn><mo>.</mo><mn>9083</mn><msup><mrow><mi>e</mi></mrow><mrow><mo>−</mo><mn>08</mn></mrow></msup><mo>,</mo><mn>5</mn><mo>.</mo><mn>9158</mn><msup><mrow><mi>e</mi></mrow><mrow><mo>−</mo><mn>08</mn></mrow></msup></mrow></math></span>, and <span><math><mrow><mn>8</mn><mo>.</mo><mn>0147</mn><msup><mrow><mi>e</mi></mrow><mrow><mo>−</mo><mn>10</mn></mrow></msup></mrow></math></span> for the commercial fuel cells NedStack, BCS 500, and Ballard, respectively. These values are considerably lower than the best results reported in the literature (<span><math><mrow><mn>2</mn><mo>.</mo><mn>2881</mn><mo>×</mo><mn>1</mn><msup><mrow><mn>0</mn></mrow><mrow><mo>−</mo><mn>2</mn></mrow></msup><mo>,</mo><mn>1</mn><mo>.</mo><mn>1364</mn><msup><mrow><mi>e</mi></mrow><mrow><mo>−</mo><mn>2</mn></mrow></msup><mo>,</mo><mn>0</mn><mo>.</mo><mn>1486</mn></mrow></math></span>), demonstrating the enhanced reliability and precision of the proposed model.</div></div>","PeriodicalId":381,"journal":{"name":"Journal of the Taiwan Institute of Chemical Engineers","volume":"172 ","pages":"Article 106093"},"PeriodicalIF":5.5,"publicationDate":"2025-03-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143684968","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Promotion effect of element doping on the moisture resistance property of iron-based spinel catalysts for CO-SCR reaction","authors":"Xiaotong Li ,&nbsp;Jie Zhou ,&nbsp;Mingzhe Dong ,&nbsp;Wenpeng Tong ,&nbsp;Lei Zhong ,&nbsp;Songjian Zhao","doi":"10.1016/j.jtice.2025.106097","DOIUrl":"10.1016/j.jtice.2025.106097","url":null,"abstract":"<div><h3>Background</h3><div>Research on the carbon monoxide selective catalytic reduction of nitric oxides (CO-SCR) primarily emphasizes the conversion of NO_x and the resistance to moisture at low temperatures.</div></div><div><h3>Methods</h3><div>A series of MFe₂O₄ catalysts, where M represented Cu, Co, Ni, and Mn, were synthesized through a solvothermal method and subsequently utilized in research focused on CO-SCR.</div></div><div><h3>Significant findings</h3><div>NiFe₂O₄ exhibited excellent NO conversion in the range of 150∼250 °C, reaching 100 % conversion at 225 °C. Also, it possessed well CO conversion rate, water resistance, and stability. It was found that the main active site of CO-SCR over NiFe₂O₄ catalyst was the redox balance of synergistic effect between Ni and Fe, which accelerated electron transfer. The improvement of the denitration performance of the nickel doping could be attributed to more active surface oxygen, more active component ratio (Fe²⁺), and larger specific surface area. This study provided an idea for exploring efficient and stable CO-SCR catalysts.</div></div>","PeriodicalId":381,"journal":{"name":"Journal of the Taiwan Institute of Chemical Engineers","volume":"172 ","pages":"Article 106097"},"PeriodicalIF":5.5,"publicationDate":"2025-03-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143684969","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}