Frontiers of Chemical Science and Engineering最新文献

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Non-thermal plasma driven dry reforming of methane: electron energy-input power coupling mechanism and catalyst design criteria 甲烷非热等离子体驱动干重整:电子能量输入功率耦合机理和催化剂设计准则
IF 4.5 3区 工程技术
Frontiers of Chemical Science and Engineering Pub Date : 2025-07-30 DOI: 10.1007/s11705-025-2596-4
Minghai Shen, Wei Guo, Lige Tong, Li Wang, Paul K. Chu, Sibudjing Kawi, Yulong Ding
{"title":"Non-thermal plasma driven dry reforming of methane: electron energy-input power coupling mechanism and catalyst design criteria","authors":"Minghai Shen,&nbsp;Wei Guo,&nbsp;Lige Tong,&nbsp;Li Wang,&nbsp;Paul K. Chu,&nbsp;Sibudjing Kawi,&nbsp;Yulong Ding","doi":"10.1007/s11705-025-2596-4","DOIUrl":"10.1007/s11705-025-2596-4","url":null,"abstract":"<div><p>Dielectric barrier discharge plasma-driven dry reforming of methane is a promising technology for syngas production. However, plasma involves complex chemical reaction pathways, non-thermal equilibrium kinetic characteristics, and interactions with catalysts, which together affect the catalytic efficiency of the dielectric-barrier plasma driven dry reforming of methane reaction and constitute its main technical challenges. This study systematically investigates the effect of critical parameters-including reactor dimensions, input power, gas flow rate, gas composition, and catalyst type-on CH<sub>4</sub> and CO<sub>2</sub> conversion as well as syngas selectivity. Through thermodynamic and kinetic analysis, we elucidate the stepwise evolution mechanism of CH<sub>4</sub>/CO<sub>2</sub> reactions under low-temperature plasma conditions. Notably, we incorporated the power law relationship between electron energy and input power into the thermodynamic model, thereby quantitatively revealing for the first time the regulatory effect of input power on the reaction path. This study provides valuable design principles to enhance the efficiency and industrial applicability of dielectric-barrier plasma driven dry reforming of methane processes.\u0000</p><div><figure><div><div><picture><source><img></source></picture></div></div></figure></div></div>","PeriodicalId":571,"journal":{"name":"Frontiers of Chemical Science and Engineering","volume":"19 9","pages":""},"PeriodicalIF":4.5,"publicationDate":"2025-07-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s11705-025-2596-4.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145171322","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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-efficiency and uniformity continuous-flow microwave heating system based on impedance gradient structure 基于阻抗梯度结构的高效均匀连续流微波加热系统
IF 4.5 3区 工程技术
Frontiers of Chemical Science and Engineering Pub Date : 2025-07-30 DOI: 10.1007/s11705-025-2601-y
Jingxin Du, Jiahui Cai, Juxiang Tang, Hua Zhang, Shu Peng, Tao Hong, Huacheng Zhu
{"title":"High-efficiency and uniformity continuous-flow microwave heating system based on impedance gradient structure","authors":"Jingxin Du,&nbsp;Jiahui Cai,&nbsp;Juxiang Tang,&nbsp;Hua Zhang,&nbsp;Shu Peng,&nbsp;Tao Hong,&nbsp;Huacheng Zhu","doi":"10.1007/s11705-025-2601-y","DOIUrl":"10.1007/s11705-025-2601-y","url":null,"abstract":"<div><p>Continuous-flow microwave-assisted heating has been extensively applied in chemical engineering. A common method used for heating fluids is by using a tube in a cavity. However, it is challenging to maintain high heating efficiency owing to the temperature-dependent dielectric properties of different fluids, and the temperature of fluids is usually uneven. In this study, a multilayer ring structure is proposed based on an impedance gradient that covers a tube with a porous material inside it to achieve high heating efficiency and uniformity. A multiphysics model, including electromagnetic fields, fluid heat transfer, and free and porous media flow, was established to simulate the continuous-flow microwave heating process. The dimensions of the multilayer ring structure were optimized and manufactured. Energy utilization efficiency experiments and continuous heating experiments were conducted, which demonstrated that the proposed model achieved an efficiency &gt; 90% with different aqueous ethanol solutions, while maintaining high heating uniformity compared with other heating models. Furthermore, the effects of the tube permittivity and porosity of the porous material on the heating efficiency were investigated to demonstrate the robustness of the proposed model.</p><div><figure><div><div><picture><source><img></source></picture></div></div></figure></div></div>","PeriodicalId":571,"journal":{"name":"Frontiers of Chemical Science and Engineering","volume":"19 9","pages":""},"PeriodicalIF":4.5,"publicationDate":"2025-07-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144868670","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}
引用次数: 0
Selective and sensitive ratiometric fluorescent probe for copper(II) cations in an aqueous solution based on resonance energy transfer and “1,8-naphthalimide–styrylpyridine” dyad bearing dipicolylamine receptor 基于共振能量转移和“1,8-萘酰亚胺-苯基吡啶”二元二聚胺受体的水溶液中铜(II)阳离子的选择性和敏感比例荧光探针
IF 4.5 3区 工程技术
Frontiers of Chemical Science and Engineering Pub Date : 2025-07-30 DOI: 10.1007/s11705-025-2594-6
Pavel A. Panchenko, Marina A. Pavlova, Anastasija V. Efremenko, Uliana A. Kutsevalova, Maria A. Ustimova, Alexey V. Feofanov, Yuri V. Fedorov, Olga A. Fedorova
{"title":"Selective and sensitive ratiometric fluorescent probe for copper(II) cations in an aqueous solution based on resonance energy transfer and “1,8-naphthalimide–styrylpyridine” dyad bearing dipicolylamine receptor","authors":"Pavel A. Panchenko,&nbsp;Marina A. Pavlova,&nbsp;Anastasija V. Efremenko,&nbsp;Uliana A. Kutsevalova,&nbsp;Maria A. Ustimova,&nbsp;Alexey V. Feofanov,&nbsp;Yuri V. Fedorov,&nbsp;Olga A. Fedorova","doi":"10.1007/s11705-025-2594-6","DOIUrl":"10.1007/s11705-025-2594-6","url":null,"abstract":"<div><p>Development of ratiometric fluorescent probes for Cu<sup>2+</sup> in aqueous solutions and biological systems remains the challenging task, given that Cu<sup>2+</sup> commonly acts as an efficient fluorescence quencher. In this work, a novel dyad compound NI-SP bearing energy donor naphthalimide and energy acceptor styrylpyridine chromophore has been prepared using azide-alkyne click reaction. The photophysical properties of NI-SP and its coordination with Cu<sup>2+</sup> have been investigated by the absorption and fluorescent spectroscopy. Upon addition of Cu<sup>2+</sup> to a solution of NI-SP, the long wavelength emission peak of styrylpyridine (600 nm) was quenched, whereas the fluorescence of naphthalimide (450 nm) was enhanced due to a decrease in resonance energy transfer efficiency between the chromophores in the (NI-SP)·Cu<sup>2+</sup> complex. The observed spectral changes enable ratiometric detection of Cu<sup>2+</sup> by the registration of the ratio of fluorescence intensities <i>I</i><sub>450</sub>/<i>I</i><sub>600</sub>. The probe exhibited high selectivity toward Cu<sup>2+</sup> in the tested conditions. The detection limit was determined at 120 nmol·L<sup>−1</sup>, and the stability constant for (NI-SP)·Cu<sup>2+</sup> was found to be 3.0 × 10<sup>6</sup> L·mol<sup>−1</sup>. Bioimaging experiments showed the NI-SP could penetrate human lung adenocarcinoma A549 cells, accumulate in mitochondria, and respond to the presence of Cu<sup>2+</sup> via the changes in the fluorescence intensity of styrylpyridine fragment.\u0000</p><div><figure><div><div><picture><source><img></source></picture></div></div></figure></div></div>","PeriodicalId":571,"journal":{"name":"Frontiers of Chemical Science and Engineering","volume":"19 9","pages":""},"PeriodicalIF":4.5,"publicationDate":"2025-07-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145170921","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}
引用次数: 0
Microbial-derived electrocatalysts: construction and CO2 reduction applications 微生物衍生电催化剂:结构和二氧化碳减排应用
IF 4.5 3区 工程技术
Frontiers of Chemical Science and Engineering Pub Date : 2025-07-20 DOI: 10.1007/s11705-025-2590-x
Xueqi Hu, You Xu, Xiaoling Liu, Muhammad Hussnain Afzal, Airong Zhang, Jiawei Dai, Hongfang Liu, Guangfang Li
{"title":"Microbial-derived electrocatalysts: construction and CO2 reduction applications","authors":"Xueqi Hu,&nbsp;You Xu,&nbsp;Xiaoling Liu,&nbsp;Muhammad Hussnain Afzal,&nbsp;Airong Zhang,&nbsp;Jiawei Dai,&nbsp;Hongfang Liu,&nbsp;Guangfang Li","doi":"10.1007/s11705-025-2590-x","DOIUrl":"10.1007/s11705-025-2590-x","url":null,"abstract":"<div><p>With the increasing global demand for sustainable energy and environmental solutions, the development of efficient, cost-effective, and eco-friendly electrocatalysts has become a key area of research. Microorganisms, with their distinctive microstructures, abundant functional groups, and diverse metabolic activities, offer innovative pathways for the green synthesis of electrocatalysts. This review first systematically summarizes microbial-derived electrocatalysts by using microorganisms (bacteria, fungi, viruses) as templates and metabolites, e.g., extracellular polymers, bacterial cellulose as mediates, and their applications in various representative electrocatalytic reactions, including hydrogen evolution reaction, oxygen evolution reaction, and oxygen reduction reaction. We then particularly focus on the application of microbial-derived electrocatalysts in CO<sub>2</sub> reduction reaction. Microorganisms not only serve as structural templates to impart high surface areas and ordered pores to catalysts but also facilitate the introduction of active sites through metabolic processes, significantly enhancing catalytic efficiency toward the optimization of reduction products. Finally, the current challenges as well as future optimization strategies are proposed in the field of microbial-derived electrocatalysts. This work offers a guideline for the design of microbial-mediated catalytic materials, advancing new strategies toward achieving carbon neutrality.</p><div><figure><div><div><picture><source><img></source></picture></div></div></figure></div></div>","PeriodicalId":571,"journal":{"name":"Frontiers of Chemical Science and Engineering","volume":"19 9","pages":""},"PeriodicalIF":4.5,"publicationDate":"2025-07-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145166933","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}
引用次数: 0
Advances in fundamental materials and design strategies for electromagnetic shielding composites 电磁屏蔽复合材料基础材料与设计策略研究进展
IF 4.5 3区 工程技术
Frontiers of Chemical Science and Engineering Pub Date : 2025-07-17 DOI: 10.1007/s11705-025-2592-8
Lei Liu, Shuhan Ye, Congke Gu, Wei Wang, Bin Fei, Wenwen Guo
{"title":"Advances in fundamental materials and design strategies for electromagnetic shielding composites","authors":"Lei Liu,&nbsp;Shuhan Ye,&nbsp;Congke Gu,&nbsp;Wei Wang,&nbsp;Bin Fei,&nbsp;Wenwen Guo","doi":"10.1007/s11705-025-2592-8","DOIUrl":"10.1007/s11705-025-2592-8","url":null,"abstract":"<div><p>With the widespread application of 5G technology and the rapid development of electronic device miniaturization, electromagnetic radiation interference has become an increasingly critical concern. To meet the requirements of new-generation portable wearable electronic devices for electromagnetic interference shielding in terms of environmental friendliness, sustainability, lightweight, and high strength characteristics, novel shielding materials represented by carbon-based materials, MXene, and biomass materials, have emerged. To optimize the electromagnetic shielding composites for higher efficiency, researchers have proposed multifaceted strategies, including material design strategies (e.g., combinations of one-dimensional and two-dimensional materials or conductive and magnetic materials), structural design strategies (e.g., porous structures, multilayer structures, and core-shell structures), and reinforced absorption design strategies. This study provides a concise review of representative electromagnetic interference shielding raw materials, with a focus on the development status of novel biomass electromagnetic shielding materials represented by wood, lignin, and cellulose. The advantages and disadvantages of various electromagnetic shielding materials are systematically analyzed. For the first time, a summary of transdisciplinary multiscale design strategies is provided to promote the development of electromagnetic shielding techniques.</p><div><figure><div><div><picture><source><img></source></picture></div></div></figure></div></div>","PeriodicalId":571,"journal":{"name":"Frontiers of Chemical Science and Engineering","volume":"19 9","pages":""},"PeriodicalIF":4.5,"publicationDate":"2025-07-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145166174","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}
引用次数: 0
Chemical engineering: a root of systems biology and its impacts on biology, biotechnology, and medicine 化学工程:系统生物学的基础及其对生物学、生物技术和医学的影响
IF 4.5 3区 工程技术
Frontiers of Chemical Science and Engineering Pub Date : 2025-07-17 DOI: 10.1007/s11705-025-2597-3
Jens Nielsen
{"title":"Chemical engineering: a root of systems biology and its impacts on biology, biotechnology, and medicine","authors":"Jens Nielsen","doi":"10.1007/s11705-025-2597-3","DOIUrl":"10.1007/s11705-025-2597-3","url":null,"abstract":"","PeriodicalId":571,"journal":{"name":"Frontiers of Chemical Science and Engineering","volume":"19 10","pages":""},"PeriodicalIF":4.5,"publicationDate":"2025-07-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s11705-025-2597-3.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145143845","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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 CO2 conversion via plasma assisted reverse water-gas shift reaction over Ag/ZnO catalyst 在Ag/ZnO催化剂上通过等离子体辅助的逆水气转换反应实现CO2的高转化率
IF 4.5 3区 工程技术
Frontiers of Chemical Science and Engineering Pub Date : 2025-07-16 DOI: 10.1007/s11705-025-2588-4
Chunhong Pan, Biao Wang, Jinman Mao, Mengjia Li, Huimin Wang, Wenyi Chen, Feng Gao, Guoping Hu, Xiaolei Fan, Feng Huang
{"title":"High CO2 conversion via plasma assisted reverse water-gas shift reaction over Ag/ZnO catalyst","authors":"Chunhong Pan,&nbsp;Biao Wang,&nbsp;Jinman Mao,&nbsp;Mengjia Li,&nbsp;Huimin Wang,&nbsp;Wenyi Chen,&nbsp;Feng Gao,&nbsp;Guoping Hu,&nbsp;Xiaolei Fan,&nbsp;Feng Huang","doi":"10.1007/s11705-025-2588-4","DOIUrl":"10.1007/s11705-025-2588-4","url":null,"abstract":"<div><p>Reverse water-gas shift reaction represents a strategic pathway for CO<sub>2</sub> utilization. Despite its potential, reverse water-gas shift reaction via conventional thermal-catalysis faces several challenges, including low equilibrium conversion rates due to thermodynamic constraints, high energy consumption, and insufficient product selectivity. Here, this study demonstrates an evident synergetic effect between plasma and Ag/ZnO, on enhancing reverse water-gas shift reaction. The plasma catalytic system achieved significantly improved performance with a remarkable CO<sub>2</sub> conversion rate of 76.5%, a high CO selectivity of 96.8% and a CO yield of 74.1%, along with an energy efficiency as high as 0.19 mmol·kJ<sup>−1</sup>, surpassing the plasma alone system and ZnO catalytic systems. Results from X-ray photoelectron spectroscopy and Auger electron spectroscopy confirm the presence of electronic metal-support interactions between Ag and ZnO, which facilitates the formation of electron-deficient Ag sites and partially reduced ZnO<sub><i>x</i></sub> species. These reactive sites, along with oxygen vacancies created during reduction treatment, enhance the adsorption and activation of H<sub>2</sub> and CO<sub>2</sub>, offering a dominant plasma-assisted surface reaction pathway for the improved reverse water-gas shift reaction. These findings underscore the crucial role of electronic metal-support interactions in manipulating surface environments to facilitate efficient plasma-assisted catalytic reactions, with significant implications for the rational design of catalysts capable of converting CO<sub>2</sub> efficiently under mild conditions.\u0000</p><div><figure><div><div><picture><source><img></source></picture></div></div></figure></div></div>","PeriodicalId":571,"journal":{"name":"Frontiers of Chemical Science and Engineering","volume":"19 12","pages":""},"PeriodicalIF":4.5,"publicationDate":"2025-07-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s11705-025-2588-4.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145166001","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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
FusNet: unlocking molecular fusion properties through machine learning FusNet:通过机器学习解锁分子融合特性
IF 4.5 3区 工程技术
Frontiers of Chemical Science and Engineering Pub Date : 2025-07-16 DOI: 10.1007/s11705-025-2593-7
Jiahui Chen, Yuxin Qiu, Wenyao Chen, Hongye Cheng, Xuezhi Duan, Zhiwen Qi, Zhen Song
{"title":"FusNet: unlocking molecular fusion properties through machine learning","authors":"Jiahui Chen,&nbsp;Yuxin Qiu,&nbsp;Wenyao Chen,&nbsp;Hongye Cheng,&nbsp;Xuezhi Duan,&nbsp;Zhiwen Qi,&nbsp;Zhen Song","doi":"10.1007/s11705-025-2593-7","DOIUrl":"10.1007/s11705-025-2593-7","url":null,"abstract":"<div><p>Accurate prediction of molecular fusion properties is critical for energy-efficient material design and sustainable process optimization, yet remains challenging due to data scarcity and complex thermodynamic interdependencies. This work introduces machine learning tools to address these gaps by combining expert-curated molecular descriptors with deep learning. By systematically evaluating statistical machine learning algorithms and attention-based architectures, optimized models are identified: a SMILES-augmented Transformer-Convolutional Neural Network for fusion temperature and a graph attention network for fusion enthalpy. Prediction power is further validated experimentally on four structure diverse compounds (<i>γ</i>-butyrolactone, methyl octanoate, <i>N</i>-phenylbenzenesulfonamide, and triethylene glycol dimethyl ether). Interpretability analyses reveal that these models prioritize key structures in molecules: attention in text-based models focuses on key atoms while that in graph models focuses on key chemical bonds, aligning with empirical thermodynamic evidences. By providing rapid, interpretable fusion property predictions, this framework can support the development of low-energy phase-change materials and sustainable solvent systems, advancing data-driven green chemistry.</p><div><figure><div><div><picture><source><img></source></picture></div></div></figure></div></div>","PeriodicalId":571,"journal":{"name":"Frontiers of Chemical Science and Engineering","volume":"19 9","pages":""},"PeriodicalIF":4.5,"publicationDate":"2025-07-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145166122","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}
引用次数: 0
Metalated polymer brush coatings with excellent transparence and antibacterial properties 具有优异的透明度和抗菌性能的金属化聚合物刷状涂层
IF 4.5 3区 工程技术
Frontiers of Chemical Science and Engineering Pub Date : 2025-07-08 DOI: 10.1007/s11705-025-2589-3
Ling Yin, Shengfei Li, Yuxiang Zhao, Guangen Fu, Haoyong Yang, Daheng Wu, Jianing Wang, Tao Zhang
{"title":"Metalated polymer brush coatings with excellent transparence and antibacterial properties","authors":"Ling Yin,&nbsp;Shengfei Li,&nbsp;Yuxiang Zhao,&nbsp;Guangen Fu,&nbsp;Haoyong Yang,&nbsp;Daheng Wu,&nbsp;Jianing Wang,&nbsp;Tao Zhang","doi":"10.1007/s11705-025-2589-3","DOIUrl":"10.1007/s11705-025-2589-3","url":null,"abstract":"<div><p>Surface-grafted polymer brushes with controlled properties and nanoscale thickness are ideal candidates for transparent coatings to prevent biofouling. However, maintaining long-term antibacterial performance in natural environments remains a significant challenge. In this study, we present a metalated polymer brush (Mt-PB) coating that combines excellent transparency with antimicrobial properties. The coating is prepared by incorporating transition metal ions (e.g., Cu and Ag) into surface-grafted polymer brushes through cooperative <i>in situ</i> reduction. Due to the ultra-thinness of the metalated brush layer (Cu-PB, ∼60.07 nm; Ag-PB, ∼57.45 nm), the resulting coating exhibits high optical transmittance (∼86%) and superior antibacterial efficiency (∼99.99% inhibition rate against <i>E. coli</i> and <i>S. aureus</i>). Additionally, the Mt-PB-coated lens demonstrates excellent antibacterial and antifouling durability, as evidenced by underwater detection tests that provide high-resolution images and stable transparency (Δ &lt; 2%) for over a month of underwater exposure. These findings offer a promising strategy for developing transparent and antifouling coatings suitable for underwater optical devices.\u0000</p><div><figure><div><div><picture><source><img></source></picture></div></div></figure></div></div>","PeriodicalId":571,"journal":{"name":"Frontiers of Chemical Science and Engineering","volume":"19 12","pages":""},"PeriodicalIF":4.5,"publicationDate":"2025-07-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145163468","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}
引用次数: 0
Coal tar pitch-derived porous carbon activates persulfate for non-radical levofloxacin degradation 煤焦油沥青衍生多孔碳活化过硫酸盐非自由基左氧氟沙星降解
IF 4.5 3区 工程技术
Frontiers of Chemical Science and Engineering Pub Date : 2025-07-08 DOI: 10.1007/s11705-025-2591-9
Lili Zhang, Shuguang Shen, Chongyan Chen, Jie Wang, Yongmei Liu, Jing Li, Ruxue Sun
{"title":"Coal tar pitch-derived porous carbon activates persulfate for non-radical levofloxacin degradation","authors":"Lili Zhang,&nbsp;Shuguang Shen,&nbsp;Chongyan Chen,&nbsp;Jie Wang,&nbsp;Yongmei Liu,&nbsp;Jing Li,&nbsp;Ruxue Sun","doi":"10.1007/s11705-025-2591-9","DOIUrl":"10.1007/s11705-025-2591-9","url":null,"abstract":"<div><p>The persistent presence of levofloxacin (LEV) residues in aquatic environments considerably threatens ecological safety and human health, owing to the potential spread of microbial resistance genes, creating an urgent need for effective removal technologies. In this study, porous carbon materials with high specific surface areas were synthesized using a one-step KOH activation method, with medium-low-temperature coal tar pitch serving as a carbon precursor. In addition, the performance and mechanism of LEV degradation via peroxydisulfate (PDS) activation were systematically explored. Characterization techniques such as X-ray diffraction, Raman spectroscopy, N<sub>2</sub> adsorption-desorption analysis, and field-emission scanning electron microscopy revealed that K11 possessed abundant pores, a specific surface area of up to 1220 m<sup>2</sup>·g<sup>−1</sup>, and numerous defects, which collectively provided a structural basis for its catalytic activity. Degradation experiments demonstrated that the LEV removal rate exceeded 91% under conditions of a 0.2 g·L<sup>−1</sup> PDS dosage, a 0.1 g·L<sup>−1</sup> K11 dosage, pH levels ranging from 3 to 9, and a temperature of 30 °C, with robust resistance to interference from co-existing ions and humic acid. Even in real water bodies, a removal rate of over 77.84% was maintained. Free-radical quenching experiments and electron spin resonance assays confirmed that the reaction proceeded predominantly via non-radical pathways, primarily involving the generation of singlet oxygen by PDS, along with a minor contribution from direct electron transfer pathways. High-performance liquid chromatography-mass spectrometry identified LEV degradation intermediates, suggesting that the degradation pathways include piperazine ring cleavage, defluorination, and oxidation of the quinolone backbone. This study offers theoretical insights and technical guidance for the resource utilization of coal tar pitch and the control of antibiotic pollution.\u0000</p><div><figure><div><div><picture><source><img></source></picture></div></div></figure></div></div>","PeriodicalId":571,"journal":{"name":"Frontiers of Chemical Science and Engineering","volume":"19 9","pages":""},"PeriodicalIF":4.5,"publicationDate":"2025-07-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145163143","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}
引用次数: 0
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