Journal of Industrial and Engineering Chemistry最新文献_第7页

A stepwise and selective extraction strategy for the separation and recovery of Al3+ and Li+ from acid leachate of lithium-rich aluminum electrolytes 富锂铝电解液酸性渗滤液中Al3+和Li+的分步选择性萃取策略

IF 5.9 3区工程技术 Q1 CHEMISTRY, MULTIDISCIPLINARY

Journal of Industrial and Engineering Chemistry

Pub Date : 2025-06-06 DOI: 10.1016/j.jiec.2025.06.011

Hongjia Hu , Yu Wang , Ning Zhang , Yanqing Lai , Zhongliang Tian , Kun Liu , Yahui Yang

Efficient Li extraction from the roasting-acid leachate is a key step in high-value utilization of large quantities of lithium-rich aluminum electrolytes (LRAEs). This study proposes a stepwise and selective extraction strategy for separating and recycling Al³⁺/Li⁺ from the leachate (containing Al/Li/Na/K/Ca sulfates, pH 1.5–3.0). Systematic condition optimizations confirm its feasibility. First, unsaponified di(2-ethylhexyl) phosphoric acid (D2EHPA) is used to extract over 99 % Al³⁺ from leachate, retaining Li⁺ (∼2 g/L) in the raffinate. Then, the raffinate pH is adjusted by NaOH, followed by selective Li⁺ extraction (> 99 %) from concentrated Na⁺/K⁺ solutions using 2-ethylhexyl salicylate-trialkyphosphine oxide (ES-TRPO), with separation factors (Li/Na and Li/K) of 169 and 2376, respectively. Under optimal conditions, a single extraction cycle increases the proportions of Al³⁺/Li⁺ in the product phase from 19.9 %/8% in the original leachate to 84 %/35 %, respectively. Compared to saponified D2EHPA for treating 1 L leachate, this strategy reduces NaOH consumption by over 100 g, achieving low alkali usage while selectively enriching and recovering Al³⁺/Li⁺ with ≤ 5 % Li loss. This study provides a valuable reference for the efficient separation and recovery of valuable metals from secondary resources. Furthermore, the extraction mechanisms of Al³⁺/Li⁺ are thoroughly explored.

从焙烧酸渗滤液中高效提取锂是实现大量富锂铝电解液高价值利用的关键环节。本研究提出了从含Al/Li/Na/K/Ca硫酸盐，pH为1.5 ~ 3.0的渗滤液中分离和回收Al3+/Li+的分步选择性萃取策略。系统条件优化验证了其可行性。首先，使用未皂化的二（2-乙基己基）磷酸（D2EHPA）从渗滤液中提取99%以上的Al3+，在萃余液中保留Li+ (~ 2g /L)。然后，用NaOH调节萃余液pH，然后用2-乙基己基水杨酸三烷基膦氧化物（ES-TRPO）从浓Na+/K+溶液中选择性提取Li+(99%)，分离因子（Li/Na和Li/K）分别为169和2376。在最佳条件下，单次萃取可使产物相中Al3+/Li+的比例分别从原渗滤液的19.9% /8%提高到84% / 35%。与皂化D2EHPA处理1 L渗滤液相比，该策略减少了100 g以上的NaOH消耗，实现了低碱用量，同时选择性富集和回收Al3+/Li+， Li损失≤5%。本研究为有效分离和回收次生资源中有价金属提供了有价值的参考。进一步探讨了Al3+/Li+的萃取机理。

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引用次数: 0

Innovative approach behind the engineering of hierarchical heterointerface enriched NiCoP@Ni-Co-S core-shell structure as a battery-type electrodes for high-performance hybrid supercapacitors 层次异质界面富集NiCoP@Ni-Co-S核壳结构作为高性能混合超级电容器电池型电极的工程背后的创新方法

IF 5.9 3区工程技术 Q1 CHEMISTRY, MULTIDISCIPLINARY

Journal of Industrial and Engineering Chemistry

Pub Date : 2025-06-06 DOI: 10.1016/j.jiec.2025.05.058

Jiwan Acharya , Mira Park

The innovative creation of hierarchical core–shell materials with meticulously developed nanoarchitecture and associated components is regarded as an effective strategy to meet the enhanced performance demands for supercapacitors (SCs). In this work, a hierarchical NiCoP@Ni-Co-S (NCP@NCS) core–shell structure is developed, where 1D Ni-Co-P nanorods are tightly coated with 2D Ni-Co-S nanosheets.First, precipitation reaction-based Ni-Co-oxalate is phosphorozated onto 3D nickel foam pursued by well-garnishment of metal organic frameworks (MOFs) and sulfurization-based Ni-Co-S nanosheets to create hierarchical structure. The rational design of a hierarchical core–shell structure not only provides enough electroactive sites but also alleviates the volume growth problem during prolonged charge–discharge cycles. The synthesized NCP@NCS electrode shows strong electrochemical performance, with a specific capacity of 512 mAh g⁻¹ at 1 A g⁻¹, good rate capability (∼73.8 % retention at 30 A g⁻¹), and excellent stability with 92.4 % capacity retention over 8000 cycles. Furthermore, the hybrid supercapacitors (HSCs) based on NCP@NCS//PC-CNTs exhibited an enhanced energy density of 79.6 Wh kg⁻¹ at a power density of 807.2 W kg⁻¹, along with excellent cycling stability, retaining approximately 91.2 % of their capacity after 8000 cycles.

通过精心开发纳米结构和相关组件的分层核壳材料的创新创造被认为是满足超级电容器（SCs）增强性能需求的有效策略。在这项工作中，开发了一种分层NiCoP@Ni-Co-S （NCP@NCS）核壳结构，其中1D Ni-Co-P纳米棒被2D Ni-Co-S纳米片紧密包裹。首先，基于沉淀反应的ni - co -草酸盐通过金属有机框架（mof）的良好装饰和基于硫化的Ni-Co-S纳米片被磷化到三维泡沫镍上，以形成分层结构。分层核壳结构的合理设计不仅提供了足够的电活性位点，而且缓解了长时间充放电循环时的体积增长问题。合成的NCP@NCS电极表现出较强的电化学性能，在1 a g−1时比容量为512 mAh g−1，具有良好的倍率能力（在30 a g−1时保留率为73.8%），并且具有优异的稳定性，在8000次循环中保留率为92.4%。此外，基于NCP@NCS//PC-CNTs的混合超级电容器（hsc）在功率密度为807.2 W kg - 1时，能量密度提高到79.6 Wh kg - 1，并且具有优异的循环稳定性，在8000次循环后保持约91.2%的容量。

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引用次数: 0

Spherical and Hierarchically Porous Mo@ZSM-5/Kaolin composite catalyst Fabricated via solid grinding and Spray-Drying for efficient oxidative desulfurization 球形和分层多孔Mo@ZSM-5/高岭土复合催化剂通过固体研磨和喷雾干燥制备高效氧化脱硫

IF 5.9 3区工程技术 Q1 CHEMISTRY, MULTIDISCIPLINARY

Journal of Industrial and Engineering Chemistry

Pub Date : 2025-06-04 DOI: 10.1016/j.jiec.2025.06.007

Ashkan Beygi Harchegani , Azam Akbari , Mohammadreza Omidkhah , Leila Asadi Kafshgari

This study introduces a novel micro-spherical Mo-impregnated ZSM-5/kaolin composite catalyst (SD-Mo(x)/Z-K) with hierarchical porosity for enhanced oxidative desulfurization (ODS) of fuels. A combined solid grinding, impregnation, and spray-drying approach was employed to achieve uniform Mo dispersion and optimized porosity. Structural and chemical interactions between ZSM-5, kaolin, and Mo were investigated using XRD, FTIR, N₂-adsorption/desorption, BET, BJH, TGA-DTG, SEM-EDX, TEM, and UV–vis spectroscopy. The kaolin-induced mesopores enhanced bulky DBT diffusion and active site accessibility, improving overall catalytic efficiency, whereas the ZSM-5-derived micropores enabled uniform Mo impregnation. The ZSM-5 retained its structural integrity with only minimal alterations because of the effects of kaolin and Mo interactions on Si and Al bonds. At 20% Mo loading, the catalyst achieved 100% DBT removal in mild circumstances, demonstrating outstanding selectivity, stability, and recyclability in consecutive ODS cycles. Additionally, the spray-dried microspheres guaranteed simple separation and scalability. The robust spherical structure with hierarchical porosity, combined with solvent-free reaction conditions and cost-effectiveness because of the 50% natural kaolin in the support composition, further highlighted the catalyst’s practical suitability for deep fuel desulfurization.

本研究介绍了一种新型的微球形mo -5/高岭土复合催化剂（SD-Mo(x)/Z-K），具有分级孔隙率，用于增强燃料的氧化脱硫（ODS）。采用固体研磨、浸渍和喷雾干燥相结合的方法来实现钼的均匀分散和优化孔隙率。采用XRD、FTIR、n2吸附/解吸、BET、BJH、TGA-DTG、SEM-EDX、TEM和UV-vis光谱等研究了ZSM-5、高岭土和Mo之间的结构和化学相互作用。高岭土诱导的介孔增强了大体积DBT的扩散和活性位点的可及性，提高了整体催化效率，而zsm -5衍生的微孔则使Mo浸渍均匀。由于高岭土和Mo相互作用对Si和Al键的影响，ZSM-5保持了其结构的完整性，只有很小的改变。在含钼量为20%的情况下，催化剂在温和的环境下实现了100%的DBT去除率，在连续的ODS循环中表现出出色的选择性、稳定性和可回收性。此外，喷雾干燥的微球保证了简单的分离和可扩展性。坚固的球形结构、分层孔隙度、无溶剂反应条件以及载体成分中50%天然高岭土的成本效益，进一步凸显了该催化剂在深度燃料脱硫中的实际适用性。

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引用次数: 0

Biosensors for probing trimethylamine and trimethylamine N-oxide: State-of-the-art 用于探测三甲胺和三甲胺n -氧化物的生物传感器：最先进的

IF 5.9 3区工程技术 Q1 CHEMISTRY, MULTIDISCIPLINARY

Journal of Industrial and Engineering Chemistry

Pub Date : 2025-06-04 DOI: 10.1016/j.jiec.2025.06.006

Zohreh Sargazi , Eric Gumpricht , Omid Rajabi , Prashant Kesharwani , Amirhossein Sahebkar

Trimethylamine (TMA) and trimethylamine N-oxide (TMAO) are metabolites produced by gut microbiota that are significant biomarkers for various health conditions, including cardiovascular diseases. Consequently, precise quantification of these biomarkers is crucial for effective public health management. This review summarizes various methods for measuring TMA and TMAO, including traditional techniques such as chromatography and spectroscopy, with a particular emphasis on advanced sensor technologies, including electrochemical, fluorescence, and colorimetric approaches. These sensors are acknowledged for their high accuracy, rapid response times, and adaptability to diverse conditions, rendering them effective tools for monitoring TMA and TMAO. The article also discusses the challenges and opportunities associated with the development of these sensors for clinical and research applications while highlighting future prospects for these technologies.

三甲胺（TMA）和三甲胺n -氧化物（TMAO）是肠道微生物群产生的代谢物，是各种健康状况（包括心血管疾病）的重要生物标志物。因此，这些生物标志物的精确量化对有效的公共卫生管理至关重要。本文综述了各种测量TMA和TMAO的方法，包括色谱法和光谱学等传统技术，并特别强调了先进的传感器技术，包括电化学、荧光和比色法。这些传感器以其高精度，快速响应时间和对各种条件的适应性而闻名，使其成为监测TMA和TMAO的有效工具。本文还讨论了这些传感器在临床和研究应用中发展的挑战和机遇，同时强调了这些技术的未来前景。

引用次数: 0

Efficient extraction of rubidium and the mineral phase transition studies of waste broken sericite by chlorination roasting-water leaching process 氯化焙烧-水浸法提取废绢云母中铷及矿物相变研究

IF 5.9 3区工程技术 Q1 CHEMISTRY, MULTIDISCIPLINARY

Journal of Industrial and Engineering Chemistry

Pub Date : 2025-06-03 DOI: 10.1016/j.jiec.2025.06.005

Zhengwei Han , Yinbo Song , Wei Ran , Yu Xie , Lei Ma , Muping Zeng , Yuting Liang , Hui Zhong , Zhiguo He

A flotation-metallurgy process was developed to efficiently extract Rubidium (Rb) from waste broken sericite. The process optimizes flotation conditions to achieve a sericite concentrate with an 88.2 % recovery rate. The study identified optimal parameters to achieve a rubidium leaching efficiency (Le(Rb)) of 94.5 %, which included a sericite-to-CaCl₂·4H₂O mass ratio of 2:1, a roasting temperature of 800 °C for 30 min, and a leaching temperature of 40 °C for 45 min. Additional optimal conditions were a liquid-to-solid ratio of 5 mL/g and a stirring speed of 250 rpm. The researchers used thermogravimetric analyzer (TGA), XRD, and SEM-EDS to analyze the process. The Toxicity Characteristic Leaching Procedure (TCLP) was used to evaluate the toxicity of the leach residue. The Flynn–Wall–Ozawa method was applied to model the thermal decomposition between sericite and CaCl₂·4H₂O, revealing an activation energy of 72.28 kJ/mol. This study offers a theoretical guide for the comprehensive utilization of low-grade Rb-bearing waste broken sericite.

研究了从废绢云母破碎中高效提取铷的浮选—冶金工艺。该工艺优化了浮选条件，获得了回收率为88.2%的绢云母精矿。研究确定了绢云母与cacl2·4H2O质量比为2:1，焙烧温度为800℃，焙烧时间为30 min，浸出温度为40℃，浸出时间为45 min，可使铷浸出效率（Le(Rb)）达到94.5%。另外的最佳条件是液固比为5 mL/g，搅拌速度为250 rpm。研究人员使用热重分析仪（TGA）、XRD和SEM-EDS分析了这一过程。采用毒性特征浸出法（TCLP）对浸出渣的毒性进行评价。采用Flynn-Wall-Ozawa方法模拟绢云母与CaCl2·4H2O的热分解反应，得到了72.28 kJ/mol的活化能。该研究为低品位含铷废破碎绢云母的综合利用提供了理论指导。

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引用次数: 0

Fabrication of PDMS-Stabilized porous silver films derived from recovered silver sources as flexible conductive materials 利用回收银源制备pdms稳定多孔银膜作为柔性导电材料

IF 5.9 3区工程技术 Q1 CHEMISTRY, MULTIDISCIPLINARY

Journal of Industrial and Engineering Chemistry

Pub Date : 2025-06-03 DOI: 10.1016/j.jiec.2025.05.066

Natsuda Muankhajorn , Sanong Ekgasit , Akira Baba , Wisansaya Jaikeandee , Porapak Suriya , Taveesak Janduang , Kanet Wongravee

This study presents a straightforward and efficient approach for the fabricating flexible conductive materials by integrating porous silver films onto a PDMS substrate. The process involves oxidative acetoxylation of silver into silver acetate (AcOAg) using ethyl acetate, followed by thermal decomposition to generate a porous silver structure on the PDMS suitable for flexible electronics. The impact of different silver sources including pure silver beads and recovered silver microstructures (irregular sphere and plate-like shape from spent button batteries) on acetoxylation process was investigated. Regardless of the initial silver morphology, rod-shaped silver acetate (RS-AcOAg) formed consistently, demonstrating the silver acetoxylation reaction independence from the silver source. Upon thermal decomposition, RS-AcOAg transformed into porous silver films, but uncontrolled sintering resulted in rigid structures that degraded electrical properties. To improve conductive activities, the introduction of PDMS as a surface stabilizing agent effectively suppressed sintering, preserving porous structure. Electrical characterization revealed that non-PDMS-coated silver strips exhibited high relative resistance change (ΔR/R₀) values with irreversible behavior due to internal cracking, whereas PDMS-coated porous silver films demonstrate lower ΔR/R₀ values with excellent reversibility under mechanical strain (stretching and bending). These findings confirm that PDMS-stabilized porous silver films offer a promising route for flexible conductive materials, with enhanced structural integrity and mechanical durability.

本研究提出了一种简单有效的方法，通过将多孔银膜集成到PDMS衬底上来制造柔性导电材料。该工艺包括使用乙酸乙酯将银氧化乙酰氧化成醋酸银（AcOAg），然后通过热分解在PDMS上生成适合柔性电子器件的多孔银结构。研究了不同银源(包括纯银微珠和回收银微结构（从废旧纽扣电池中回收的不规则球形和片状）对乙酰氧化过程的影响。无论初始银的形态如何，棒状醋酸银（RS-AcOAg）的形成一致，表明银乙酰氧化反应不依赖于银源。在热分解后，RS-AcOAg转变成多孔银膜，但不受控制的烧结导致刚性结构，从而降低了电性能。为了提高导电活性，PDMS作为表面稳定剂的引入有效地抑制了烧结，保留了多孔结构。电学表征表明，未涂覆pdms的银条具有较高的相对电阻变化（ΔR/R0）值，并且由于内部开裂而具有不可逆行为，而涂覆pdms的多孔银膜具有较低的ΔR/R0值，并且在机械应变（拉伸和弯曲）下具有优异的可逆性。这些发现证实了pdms稳定的多孔银膜为柔性导电材料提供了一条有前途的途径，具有增强的结构完整性和机械耐久性。

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引用次数: 0

Dual biopolymer systems for structuring oil-in-water emulsions: Engineering insights into phycocyanin–chia mucilage mixtures 构建水包油乳液的双生物聚合物体系：藻蓝蛋白-奇亚胶浆混合物的工程见解

IF 5.9 3区工程技术 Q1 CHEMISTRY, MULTIDISCIPLINARY

Journal of Industrial and Engineering Chemistry

Pub Date : 2025-06-03 DOI: 10.1016/j.jiec.2025.06.002

María Vela-Albarrán, Nuria Calero, Francisco Carrillo, Luis A. Trujillo-Cayado

This study investigates the interfacial and rheological properties of algae oil-in-water emulsions stabilized individually by phycocyanin and chia mucilage, as well as their 50:50 mixture. Interfacial shear rheology revealed that phycocyanin forms a viscoelastic film over time, while chia mucilage stabilizes the interface more rapidly but with lower moduli. In the mixed system, phycocyanin predominates at the interface, although steric hindrance delays film formation. Droplet with a diameter of approximately 1.5 µm in phycocyanin-stabilized emulsions were obtained. The intermediate size range (2.4 µm) was observed in the mixture, while the largest droplets (4.4 µm) were observed in chia mucilage emulsions. Rheological assessments demonstrated that chia mucilage significantly increased viscosity (k = 0.174 Pa·sⁿ, n = 0.37) and imparted substantial elastic behavior, whereas emulsions stabilized exclusively by phycocyanin exhibited predominantly viscous characteristics (k = 0.043 Pa·sⁿ, n = 0.69, negligible elastic modulus). Stability assessments confirmed that chia mucilage suppressed creaming for up to 14 days, while phycocyanin alone was less effective. The combined system achieved a balance, providing moderate droplet size reduction and improved long-term structural stability. The present findings underscore the complementary roles of protein/polysaccharide-based biopolymers in the design of functional emulsions, which have potential applications in the food and cosmeceutical industries.

本研究考察了藻蓝蛋白和奇亚胶分别稳定的藻类水包油乳液及其50:50的混合物的界面和流变性能。界面剪切流变学表明，藻蓝蛋白随着时间的推移会形成粘弹性膜，而奇亚胶则能更快地稳定界面，但模量较低。在混合体系中，藻蓝蛋白在界面处占主导地位，尽管位阻延迟了膜的形成。在藻蓝蛋白稳定的乳剂中获得了直径约为1.5µm的液滴。混合物中观察到中等大小的液滴（2.4µm），而奇亚胶乳剂中观察到最大的液滴（4.4µm）。流变学评估表明，奇亚籽黏液显著增加了粘度（k = 0.174 Pa·sn, n = 0.37），并赋予了实质性的弹性行为，而仅由藻蓝蛋白稳定的乳剂表现出主要的粘性特性（k = 0.043 Pa·sn, n = 0.69，弹性模量可以忽略不计）。稳定性评估证实，奇亚粘液抑制膏霜长达14天，而单独的藻蓝蛋白效果较差。组合系统实现了平衡，提供适度的液滴尺寸减小，并提高了长期结构稳定性。目前的研究结果强调了蛋白质/多糖基生物聚合物在功能性乳剂设计中的互补作用，在食品和药妆工业中具有潜在的应用前景。

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引用次数: 0

Tailoring atomic species in electrochemical-driven catalysts for efficient ammonia oxidation toward hydrogen production and wastewater treatment 为高效氨氧化制氢和废水处理定制电化学驱动催化剂中的原子种类

IF 5.9 3区工程技术 Q1 CHEMISTRY, MULTIDISCIPLINARY

Journal of Industrial and Engineering Chemistry

Pub Date : 2025-06-02 DOI: 10.1016/j.jiec.2025.06.003

Phuong Thi Pham , Seung Hun Roh , Jun Young Kim , Jung Kyu Kim

The development of clean energy technologies to address the energy crisis, the environmental issues caused by excessive fossil fuel consumption, and the resulting CO₂ emissions has become a critical and urgent task of modern society. Electrochemical (EC) and photoelectrochemical (PEC) ammonia oxidation have emerged as promising environmentally benign strategies due to its potential for hydrogen production and ammonia-containing wastewater treatment under ambient conditions. However, most ammonia splitting systems face significant challenges related to electrocatalytic ammonia oxidation reaction (AOR), including sluggish reaction kinetics, which lead to high overpotential, reduced cell efficiency, and catalyst deactivation, thereby limiting its practical industrial applications. The development of efficient, sustainable, and low-cost catalysts for the AOR is crucial for enhancing the reaction kinetics and overall efficiency. In this review, we first outlined the fundamental principles of the AOR and the key parameters influencing its performance. Second, we systematically summarized and discussed recent advances in electrochemical and photoelectrochemical approaches for achieving high AOR activity. Finally, the remaining challenges and future perspectives on the rational design and development of active, durable AOR catalysts for practical applications were proposed.

发展清洁能源技术，解决能源危机、化石燃料过度消耗所造成的环境问题，以及由此产生的二氧化碳排放，已成为现代社会一项关键而紧迫的任务。电化学（EC）和光电化学（PEC）氨氧化由于其在环境条件下具有制氢和含氨废水处理的潜力而成为有前途的环保策略。然而，大多数氨分裂系统面临着与电催化氨氧化反应（AOR）相关的重大挑战，包括反应动力学缓慢，导致高过电位，电池效率降低和催化剂失活，从而限制了其实际工业应用。开发高效、可持续、低成本的AOR催化剂对于提高反应动力学和整体效率至关重要。在本文中，我们首先概述了AOR的基本原理和影响其性能的关键参数。其次，我们系统地总结和讨论了实现高AOR活性的电化学和光电化学方法的最新进展。最后，提出了合理设计和开发用于实际应用的活性、耐用AOR催化剂的挑战和未来展望。

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引用次数: 0

Synergistic enhancement of COD and turbidity removal in simulated starch wastewater through iron electrocoagulation-hypochlorite integration: efficiency and mechanism 铁电混凝-次氯酸盐协同增强模拟淀粉废水COD和浊度去除效果及机理

IF 5.9 3区工程技术 Q1 CHEMISTRY, MULTIDISCIPLINARY

Journal of Industrial and Engineering Chemistry

Pub Date : 2025-06-02 DOI: 10.1016/j.jiec.2025.05.065

Guoqiang Li , Xinye Li , Hongbo Xiong , Jie Wei , Yunxia Ma , Jinchao Shen , Hongbin Xu

Advanced treatment of starch industrial wastewater is usually hindered by the high turbidity. In this study, simulated starch wastewater was treated by iron Electrocoagulation (EC) process combined with oxidation using several oxidants. Results indicated that the EC/NaClO process demonstrated enhanced performance with COD and turbidity removal efficiencies of 86.3 % and 95.76 %, respectively, significantly surpassing those of the EC/H₂O₂ process (79.1 % COD, 85.8 % turbidity) under optimized conditions. Mechanistic analysis revealed that the 22.5 % increase in COD removal by EC/NaClO compared to EC originated from two pathways: (1)17 % attributed to the formation of large flocs during NaClO oxidation, which promoted coagulation, and (2)5.5 % derived from hydroxyl radicals (•OH) generated via Fe²⁺/HClO mediated Fenton-like reactions. A comparative analysis focusing on energy consumption of electrodes demonstrates that EC, EC/H₂O₂, and EC/NaClO was 29.91, 20.64, and 8.11 kWh/kgCOD, respectively. The anodic dissolution rate exhibits a pattern of EC/H₂O₂ > EC > EC/NaClO under different current densities, with the minimal dissolution in EC/NaClO ascribed to the protective layer of iron-based nanoparticles (Fe₃O₄) formed on the anode surface. This EC/NaClO combined system demonstrates significant potential as a sustainable approach for starch wastewater remediation considering its flocculation enhancement and cost-effective performance.

淀粉工业废水的深度处理通常受到高浊度的阻碍。采用铁电絮凝法（EC）结合多种氧化剂氧化法处理模拟淀粉废水。结果表明，EC/NaClO工艺的COD去除率和浊度去除率分别为86.3%和95.76%，显著优于优化条件下EC/H2O2工艺的COD去除率79.1%，浊度去除率85.8%。机理分析表明，EC/NaClO与EC相比，COD去除率提高22.5%源于两个途径：(1)17%归因于NaClO氧化过程中形成的大絮凝体，促进了混凝；(2)5.5%来自Fe2+/HClO催化芬顿样反应产生的羟基自由基（•OH）。电极能耗对比分析表明，EC、EC/H2O2和EC/NaClO分别为29.91、20.64和8.11 kWh/kgCOD。在不同电流密度下，阳极溶解速率表现为EC/H2O2 >； EC >； EC/NaClO模式，其中EC/NaClO中溶解最小归因于阳极表面形成的铁基纳米颗粒（Fe3O4）保护层。考虑到EC/NaClO复合系统的絮凝效果和经济效益，该系统作为一种可持续的淀粉废水修复方法具有很大的潜力。

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引用次数: 0

Covalent triazine-based frameworks for multi-functional sensing-challenges, opportunities, and future directions 基于共价三嗪的多功能传感框架——挑战、机遇和未来方向

IF 5.9 3区工程技术 Q1 CHEMISTRY, MULTIDISCIPLINARY

Journal of Industrial and Engineering Chemistry

Pub Date : 2025-06-02 DOI: 10.1016/j.jiec.2025.05.060

Tholkappiyan Ramachandran , Ramesh Kumar Raji

Covalent triazine-based frameworks (CTFs) have emerged as a class of porous organic materials with exceptional structural stability, high surface area, and tunable electronic properties, making them highly suitable for gas sensing, photoelectrochemical sensing, and electrochemical sensing applications. This review comprehensively explores the fundamental principles, material properties, and sensing mechanisms of CTFs across these three domains. The role of CTFs in gas sensing is examined with an emphasis on adsorption capabilities, conductivity variations, and selectivity toward specific gas molecules. In photoelectrochemical sensing, their photophysical properties, including light absorption, charge separation, and interfacial interactions, are discussed in the context of improving sensor performance. In electrochemical sensing, the review highlights CTFs redox-active sites, electron transfer efficiency, and catalytic activity, which enhance their utility in detecting a range of analytes. Key challenges, including sensitivity limitations, structural stability under operational conditions, and response time constraints, are critically analyzed. Finally, perspectives on overcoming these challenges through material functionalization, hybridization with nanomaterials, and advanced synthesis techniques are provided, offering insights into the future development of high-performance CTF-based sensors for environmental and biomedical applications.

共价三嗪基框架（CTFs）已成为一类多孔有机材料，具有优异的结构稳定性，高表面积和可调谐的电子性能，使其非常适合气体传感，光电化学传感和电化学传感应用。本文全面探讨了CTFs在这三个领域的基本原理、材料特性和传感机制。研究了CTFs在气体传感中的作用，重点是吸附能力、电导率变化和对特定气体分子的选择性。在光电化学传感中，它们的光物理性质，包括光吸收、电荷分离和界面相互作用，在改善传感器性能的背景下进行了讨论。在电化学传感方面，综述强调了CTFs的氧化还原活性位点，电子转移效率和催化活性，这增强了它们在检测一系列分析物方面的实用性。关键挑战包括灵敏度限制、运行条件下的结构稳定性和响应时间限制。最后，通过材料功能化、与纳米材料杂交以及先进的合成技术来克服这些挑战，为环境和生物医学应用的高性能ctf传感器的未来发展提供了见解。

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引用次数: 0