Journal of Environmental Chemical Engineering最新文献

{"title":"Synergistic mechanism of ultrasonic cavitation and advanced oxidation: Free radical path optimization and advanced treatment of industrial wastewater","authors":"Heng Zhang ,&nbsp;Shuxuan Hu ,&nbsp;Shiwei Li ,&nbsp;Libo Zhang","doi":"10.1016/j.jece.2025.117232","DOIUrl":"10.1016/j.jece.2025.117232","url":null,"abstract":"<div><div>In industrial wastewater, emerging pollutants with environmental persistence, bioaccumulation and ecological toxicity (polycyclic aromatic hydrocarbons (PAHs), perfluorinated compounds (PFAC) and drug residues) pose a serious threat to ecological security and human health. Advanced oxidation technologies (AOPs) have become the core means of wastewater treatment by achieving deep mineralization of organic matter through free radical-mediated oxidation reactions. However, the application of single AOPs is limited by bottlenecks such as low mass transfer efficiency, catalyst deactivation, by-product generation and high energy consumption. Ultrasound technology significantly improves the efficiency of AOPs by enhancing mass transfer, activating oxidants and catalyst regeneration through a synergistic physicochemical mechanism that breaks through the limitations of conventional technologies. This review firstly summarizes the current research status and limitations of single AOPs. Then, ultrasonic oxidation technology seen as an entry point, it systematically explores the cross-scale synergistic mechanism and industrial application potential of ultrasonic synergistic advanced oxidation technologies (US-AOPs). This reveals the coupled synergistic pathways of ultrasonic cavitation effect with Fenton, ozone, electrochemical and photocatalytic technologies and the mechanism of regulating the generation of by-products. Secondly, the economics and stability of US-AOPs in industrialization are demonstrated through industrial cases. The challenges faced by US-APOs are analysed in terms of cost, scalability, and operational robustness. It is found that the integration of interdisciplinary emerging technologies is expected to promote the transformation of wastewater treatment in US-AOPs towards a high efficiency, low carbon and intelligent, which provides innovative solutions for near-zero discharge and resource utilisation of industrial wastewater.</div></div>","PeriodicalId":15759,"journal":{"name":"Journal of Environmental Chemical Engineering","volume":"13 4","pages":"Article 117232"},"PeriodicalIF":7.4,"publicationDate":"2025-05-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144135113","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Preparation of [C2mim][BF4]@ZIF-8/Pebax mixed matrix membranes for enhanced CO2/N2 separation performance","authors":"Heping Jiang ,&nbsp;Mingyan Chen ,&nbsp;Xiaoping Jiang ,&nbsp;Chunzhan Song ,&nbsp;Yucheng Liu","doi":"10.1016/j.jece.2025.117243","DOIUrl":"10.1016/j.jece.2025.117243","url":null,"abstract":"<div><div>Mixed matrix membranes (MMMs) demonstrate promising separation capabilities for CO₂ capture, representing a key area of current research interest. Nonetheless, the propensity for inorganic nanoparticles to cluster can degrade the CO₂ separation efficiency. Addressing the challenge of nanomaterial aggregation within polymer matrices, this investigation employs a polyether-block-amide (Pebax), the ionic liquid (IL) 1-ethyl-3-methylimidazolium tetrafluoroborate ([C₂mim][BF₄]), and ZIF-8 to develop MMMs designed for CO₂ separation. The preparation of the IL@ZIF-8 composite involved the wet impregnation method, while the IL@ZIF-8/Pebax MMMs were created through the solution casting approach. Analysis confirms the successful encapsulation of IL within the ZIF-8 nanocage structures, which can adjust the size of ZIF-8's pores. Concurrently, the IL@ZIF-8 composite material exhibits excellent dispersion within Pebax, which is conducive to exposing a greater number of active sites. Furthermore, the porous architecture of IL@ZIF-8 further facilitates gas adsorption and diffusion, leading to enhanced gas separation efficiency. As the IL@ZIF-8 loading hits 6 wt%, the MMM maximizes CO₂ separation, offering a CO₂ permeability of 169 Barrer and a CO₂/N₂ selectivity of 80, going beyond the 2008 Robeson upper bound and showcasing excellent gas separation functionality. This offers novel approaches for the development of more accurate and effective MMMs.</div></div>","PeriodicalId":15759,"journal":{"name":"Journal of Environmental Chemical Engineering","volume":"13 4","pages":"Article 117243"},"PeriodicalIF":7.4,"publicationDate":"2025-05-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144135115","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Bipolar membranes with optimized interfacial catalyst loading and 3-D interface design facilitating performance in self-humidifying hydrogen fuel cell","authors":"Amit Suhag,&nbsp;Subrata Kumar Maiti,&nbsp;Priyabrata Mandal,&nbsp;Nasir Ali,&nbsp;Sujay Chattopadhyay","doi":"10.1016/j.jece.2025.117149","DOIUrl":"10.1016/j.jece.2025.117149","url":null,"abstract":"<div><div>Bipolar membranes (BPMs) are emerging as potential polymer electrolyte material for energy conversion technologies like fuel cells, redox-flow batteries, and CO₂ electrolyzers. Water formation at the interface of forward bias BPM facilitates self-humidification in fuel cell and presence of different pH conditions (acidic-anode and alkaline-cathode) in this assembly promotes faster electrode half reactions. Amount of interface catalyst and design of interface in BPM play crucial role in kinetics of water formation. TiO₂ nanoparticles (interface catalyst) of varying loading 0, 1, 2, 3, and 4 mg cm⁻² were used to fabricate BPMs, and their electrochemical performance under forward bias were compared with that of commercial FBM fumasep® membrane. The BPM with 3 mg cm⁻² (BPM-3) of TiO₂ loading showed lowest potential drop, 0.20 V at applied current density of 50 mA cm⁻² compared to BPM-0 (0.375 V) and FBM (0.24 V). The smooth interface of BPM was subsequently modified introducing square and cylindrical shape (3D corrugations over anion exchange layer), which was coated with 3 mg cm⁻² (optimized) catalyst to obtain BPMs with modified interface geometry. BPMs with square corrugation (BPM-3-S) showed potential drop of 0.17 V at 50 mA cm⁻² followed by BPM with cylindrical shape (BPM-3-C), 0.195 V under identical conditions. Finally, fuel cell performance test (without external humidification) was conducted with BPM-3-S, BPM-3, and BPM-0 based membrane electrode assemblies. The peak power densities noted were 578.1 mW cm⁻² (BPM-3-S), 489.6 mW cm⁻² (BPM-3), and 247.5 mW cm⁻² (BPM-0). These findings elucidate catalyst loading and interface geometry strongly influence the performance of BPM under forward bias conditions.</div></div>","PeriodicalId":15759,"journal":{"name":"Journal of Environmental Chemical Engineering","volume":"13 4","pages":"Article 117149"},"PeriodicalIF":7.4,"publicationDate":"2025-05-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144138593","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Supplementation with electrically conductive materials unlocks lactic acid conversion into volatile fatty acids during cheese whey fermentation","authors":"Cecilia Petitta ,&nbsp;Matteo Tucci ,&nbsp;Matteo Daghio ,&nbsp;Chiara Capelli ,&nbsp;Carlo Viti ,&nbsp;Alessandra Adessi ,&nbsp;Luca di Palma ,&nbsp;Carolina Cruz Viggi ,&nbsp;Federico Aulenta","doi":"10.1016/j.jece.2025.117197","DOIUrl":"10.1016/j.jece.2025.117197","url":null,"abstract":"<div><div>Cheese whey (CW), a by-product of the dairy industry, poses environmental challenges due to its high organic load and substantial production volumes. Dark fermentation (DF) offers a promising biological approach to valorizing CW by converting its carbohydrate-rich organic matter into valuable products such as organic acids, alcohols, and hydrogen. This study investigated the application of electrically conductive materials (ECMs)—specifically magnetite, biochar, and graphite—to enhance CW fermentation and increase the production of high-value volatile fatty acids (VFAs). Batch fermentation experiments revealed that incorporating ECMs significantly influenced the DF process. Notably, VFA production, particularly propionic acid, was markedly enhanced. In unamended control microcosms, CW fermentation led to an almost complete conversion of carbohydrates into lactic acid. Among the ECMs tested, magnetite had the greatest impact, increasing total VFA concentrations to 45.3 ± 5.9 g COD/L—a 22.5-fold improvement over the control. The addition of ECMs promoted the growth and enrichment of microorganisms capable of lactic acid reduction into propionic acid, such as <em>Clostridiaceae</em> and <em>Propionibacteraceae</em>, while also altering the microbial community and electron flow dynamics. This resulted in a significant increase in acetic acid production, which was over five times higher in ECM-amended treatments compared to controls. ECMs likely facilitated the disposal of excess reducing power, possibly via direct interspecies electron transfer (DIET), which further enhanced lactic acid conversion to propionic acid. From an environmental perspective, this study offers a sustainable solution for managing CW, reducing its environmental impact by converting it into valuable biochemicals. From an industrial standpoint, the enhanced production of VFAs, particularly propionic and acetic acids, presents a pathway to generate precursors for bio-based polymers, food additives, and other high-value applications.</div></div>","PeriodicalId":15759,"journal":{"name":"Journal of Environmental Chemical Engineering","volume":"13 4","pages":"Article 117197"},"PeriodicalIF":7.4,"publicationDate":"2025-05-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144115401","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Tri-combustion of multi-source solid wastes: Combustion behaviors, ash slagging characteristics, and gaseous pollutants emissions","authors":"Haitian Ye ,&nbsp;Zechen Jin ,&nbsp;Junying Lu ,&nbsp;Zhi Ying ,&nbsp;Bo Wang ,&nbsp;Yuheng Feng ,&nbsp;Xiaoyuan Zheng","doi":"10.1016/j.jece.2025.117241","DOIUrl":"10.1016/j.jece.2025.117241","url":null,"abstract":"<div><div>The huge production of sewage sludge (SS), combustible construction and demolition (C&amp;D) waste, and waste logistics packaging challenges the sustainable development of our cities. Co-combustion is a promising way for multi-source solid waste management due to the efficient volume reduction, waste to energy, and easy operation in existing facilities. Pine sawdust (SD) and polyethylene (PE) were selected as representative components of combustible C&amp;D waste and waste logistics packaging. Their combustion behaviors, ash slagging characteristics, and gaseous pollutants (HCl, NO_x, SO₂) emissions were investigated in the tri-combustion process. Results indicate that adding SD and PE reduces burnout temperature (<em>T</em>_<em>h</em>) by 188–230 °C and improves both the combustion stability index and comprehensive combustion index (<em>CCI</em>), enhancing SS combustion. The highest <em>CCI</em> value of SS-SD-PE was achieved at 0.5–0.3–0.2. Adding SD and PE elevates the ash fusion temperature, although a significant slagging tendency persists. Higher combustion temperature hinders chlorine fixation. The decrement of NO_x emission at high temperature correlates with the catalytic effect of metal oxides like Ca and Fe and the reduction by intermediates such as CO and soot particles. Tri-combustion can promote HCl emission. The lowest HCl emission of 0.274 mg·g⁻¹ is yielded at 0.4–0.3–0.3. The increase in SD and PE blending ratio leads to an increment of N conversion rate from 15.72 % to 24.5 % and from 2.47 % to 27.5 %, respectively. The increment of SD blending ratio promotes SO₂ emission, while PE can suppress it. These findings provide a better understanding of the interactions during the combustion of multi-source solid waste.</div></div>","PeriodicalId":15759,"journal":{"name":"Journal of Environmental Chemical Engineering","volume":"13 4","pages":"Article 117241"},"PeriodicalIF":7.4,"publicationDate":"2025-05-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144123227","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Enhanced phenol degradation in wastewater using non-thermal plasma coupled with NiO/g-C3N4 nanocomposite catalyst","authors":"Milad Zehtab Salmasi ,&nbsp;Ali Omidkar ,&nbsp;Haoquan Ying ,&nbsp;Hua Song","doi":"10.1016/j.jece.2025.117180","DOIUrl":"10.1016/j.jece.2025.117180","url":null,"abstract":"<div><div>In this study, NiO/g-C₃N₄ nanocomposites with varying amounts of NiO were successfully synthesized via the hydrothermal method and demonstrated significant potential for plasma-catalytic phenol degradation. The formation of a p-n heterojunction at the interface between NiO and g-C₃N₄ facilitated enhanced charge separation and transfer under the influence of an internal electric field, effectively suppressing charge recombination. Comprehensive characterizations were conducted to examine the structural, morphological, optical, and textural properties of the catalysts. Density functional theory (DFT) calculations were also employed to elucidate the interface interactions and the mechanism behind the enhanced plasma-catalytic performance. The active species participated in the removal process were identified through quenching experiments and in situ optical emission spectroscopy (OES). The 20 % NiO/g-C₃N₄ composite exhibited the highest phenol degradation performance, achieving 97 % phenol decomposition, compared to 71 % and 62 % for pure g-C₃N₄ and NiO, respectively, under optimized reaction conditions, which included a power of 10 W, an initial phenol concentration of 100 ppm, a catalyst amount of 2 g/L, and an initial solution pH of 7. In addition, the 20 % NiO/g-C₃N₄ composite exhibited excellent recyclability and cyclic stability, with only a minor decrease (7 % decline in degradation efficiency) over five consecutive cycles. Finally, a possible phenol degradation pathway was proposed based on the identified intermediates. This work provides valuable insights into the design of advanced p-n heterojunction catalysts with exceptional UV-Vis and plasma responsiveness, offering a promising approach for improving wastewater treatment and addressing environmental challenges.</div></div>","PeriodicalId":15759,"journal":{"name":"Journal of Environmental Chemical Engineering","volume":"13 4","pages":"Article 117180"},"PeriodicalIF":7.4,"publicationDate":"2025-05-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144123726","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Integrating photo-Fenton-like Fe3O4/CdS-O modules into sponge-based gel solar evaporator for synergistic water regeneration and pollutant degradation","authors":"Xuyao Qiao ,&nbsp;Shuguang Ning ,&nbsp;Hongyao Zhao ,&nbsp;Ruiting Ni ,&nbsp;Wanyu Zhang ,&nbsp;Yangping Zhang ,&nbsp;Linzhi Zhai ,&nbsp;Danhong Shang ,&nbsp;Yanyun Wang ,&nbsp;Tongyi Yang ,&nbsp;Mengnan Wang ,&nbsp;Fu Yang","doi":"10.1016/j.jece.2025.117247","DOIUrl":"10.1016/j.jece.2025.117247","url":null,"abstract":"<div><div>Addressing the dual challenges of freshwater scarcity and pollution elimination requires innovative technologies that rationally integrate multiple functions. This study developed a representative dual-functional solar evaporator by coupling photothermal Fe₃O₄ nanospheres with oxygen-doped CdS (CdS-O) within a sponge-based hydrogel matrix, achieving concurrent high-efficiency solar-driven water regeneration and pollutant degradation. The design leverages the unique roles of two unique components, wherein, Fe₃O₄ endows the evaporator with broadband solar absorption (300–800 nm) and an superior photothermal conversion efficiency of 80 %, while oxygen doping CdS-O narrows its bandgap (from 2.31 eV to 2.29 eV), enhancing visible-light harvesting and charge separation. Crucially, the synergistic interplay between Fe₃O₄ and CdS-O establishes a self-sustained photo-Fenton-like mechanism. CdS-O generates H₂O₂ via photogenerated electron reduction of O₂, and Fe₃O₄ acts as an electron acceptor to accelerate Fe^3 +/Fe²⁺ cycling, Fe²⁺ ions react with H₂O₂ via a Fenton-like process to produce ·OH radicals for pollutant mineralization. Simultaneously, the hydrogel-sponge architecture ensures rapid water transport and localized heat confinement, enabling an evaporation rate of 1.55 kg·m⁻²·h⁻¹ under 1 sun irradiation. The system demonstrates remarkable dual-functionality: 86.9 % tetracycline degradation in lake water within 240 minutes and 89 % photocatalytic activity retention after six cycles. This work overcomes the limitations of conventional single-function systems by unifying photothermal evaporation and photocatalytic oxidation into a scalable platform, offering a sustainable solution for simultaneous water production and purification through material synergy and energy-efficient design.</div></div>","PeriodicalId":15759,"journal":{"name":"Journal of Environmental Chemical Engineering","volume":"13 4","pages":"Article 117247"},"PeriodicalIF":7.4,"publicationDate":"2025-05-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144115425","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Synergistic effect of electron-rich alkyl-substituted subphthalocyanine H12SubPc-Oph-tBu and cobalt-doping for enhanced photocatalytic performance","authors":"Jiahang Song ,&nbsp;Chuanhui Shi ,&nbsp;Yijian Zhou ,&nbsp;Shengqian Liang ,&nbsp;Enzhou Liu ,&nbsp;Chen Wang ,&nbsp;Bing Wang ,&nbsp;Bo Zhou ,&nbsp;Chaoyang Wei ,&nbsp;Zhuo Li","doi":"10.1016/j.jece.2025.117231","DOIUrl":"10.1016/j.jece.2025.117231","url":null,"abstract":"<div><div>Constructing <em>S</em>-scheme heterojunctions serves as a potent approach to boost photocatalytic efficiency by promoting charge transfer and attaining elevated redox potentials. Herein, a novel axially substituted subphthalocyanine derivative, H₁₂SubPc-Oph-tBu (SubPc-tBu), was synthesized and assembled onto cobalt-doped ZnS (Co-ZnS) via supramolecular self-assembly to form a unique <em>S</em>-scheme heterojunction (SubPc-tBu/Co-ZnS). In this system, the electron-rich SubPc-tBu unit, in conjunction with the incorporated cobalt (Co), is pivotal in promoting charge transfer and enhancing the photocatalytic efficiency of the heterojunction. The photocatalyst achieved a 97 % degradation efficiency of furantoin (FT) within 30 minutes, with an apparent rate constant that is 17.24 times higher than ZnS and 10.35 times greater than SubPc-tBu, demonstrating its superior photocatalytic performance. Furthermore, after five consecutive cycles, it retained a degradation efficiency of 83.36 %, highlighting its excellent stability and recyclability. Experimental and theoretical studies revealed that the enhanced photocatalytic activity arises from an interfacial charge transfer mechanism improving carrier separation and transfer. Time-dependent density functional theory (TDDFT) and LC-MS coupled with DFT elucidated electron transfer pathways and pollutant degradation mechanisms, offering insights into photocatalyst design for environmental pollution solutions.</div></div>","PeriodicalId":15759,"journal":{"name":"Journal of Environmental Chemical Engineering","volume":"13 4","pages":"Article 117231"},"PeriodicalIF":7.4,"publicationDate":"2025-05-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144123800","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Mass spectrometry imaging unveils the fate of azithromycin in zebrafish: Uptake, distribution, transformation, and metabolic impact","authors":"Hang Fu ,&nbsp;Leiyi Ji ,&nbsp;Yanxiao Jiang ,&nbsp;Changjun Yu ,&nbsp;Hong Zhang ,&nbsp;Guangfeng Kan ,&nbsp;Jie Jiang","doi":"10.1016/j.jece.2025.117244","DOIUrl":"10.1016/j.jece.2025.117244","url":null,"abstract":"<div><div>Most of the published articles have reported antibiotics as emerging pollutants. Upon entering organisms, they rapidly accumulate in the sites of action, with varying tissue distributions and the potential to interfere normal metabolism of endogenous metabolites. However, the simultaneous clarification of the spatial distribution of exogenous and endogenous metabolites has seldom been achieved. Mass spectrometry imaging (MSI) allows the label-free detection of endogenous and exogeneous molecules within tissues. Desorption electrospray ionization mass spectrometry imaging (DESI-MSI) was used in this study to explore the bioaccumulation, elimination and transformation process of azithromycin (AZM) over blue-striped zebrafish. AZM in zebrafish showed a first-order kinetic model, and the intestine was identified to be areas with the longest t_1/2 (3.5 days). The zebrafish showed a striking ability for biotransformation as three biotransformation products (BTPs) of AZM have been detected mostly in the zebrafish. The spatial distributions of endogenous molecules were further examined to observe more differences in intensity and types, a significant impact on the Glycerol phospholipids (GP), amino acids (AA), Ceramide (Cer), glycerolipids (GL) and Sphingomyelin (SM) was found. These results indicate that MSI contributes to the research on drug distribution and metabolism, helps deepen the understanding of drug metabolism, accurately locate the action targets, and improve the efficiency and quality of drug development.</div></div>","PeriodicalId":15759,"journal":{"name":"Journal of Environmental Chemical Engineering","volume":"13 4","pages":"Article 117244"},"PeriodicalIF":7.4,"publicationDate":"2025-05-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144147695","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"One-step green synthesis of silica microcapsules with high pesticide loading for sustained-release","authors":"Runhe He ,&nbsp;Xuetao Tian ,&nbsp;Zitong Bao ,&nbsp;Yangyang Chen ,&nbsp;Qinxin Zhang ,&nbsp;Hongwei Zhang ,&nbsp;Yongbing Li ,&nbsp;Sai Chen","doi":"10.1016/j.jece.2025.117235","DOIUrl":"10.1016/j.jece.2025.117235","url":null,"abstract":"<div><div>Pesticides are vital for agricultural productivity but their excessive use has raised serious environmental concerns, including soil and water contamination. Traditional pesticide formulations often face issues of rapid degradation, leading to repeated applications and resource waste. Controlled-release systems, particularly microencapsulation, have been proposed as solutions to address these issues, offering the potential to enhance pesticide efficiency and minimize environmental risks. However, traditional methods usually rely on toxic solvents or post-loading processes, which pose significant ecological risks and elevates manufacturing costs. This study presents a one-step green synthesis method to produce silica microcapsules loaded with the pesticide pirimiphos-methyl (PM), a widely used organophosphorus pesticide, without the need for toxic solvents. The synthesis uses tetraethyl orthosilicate (TEOS) and PM as the oil phase, and utilizes surfactants and NaF in an oil/water (O/W) emulsion system. The process is catalyzed by hydrochloric acid to form a silica shell that encapsulates the pesticide in situ. The effects of NaF and the core-to-wall ratio on the morphology, pesticide loading, encapsulation efficiency, thermal stability, and controlled release of the microcapsules were evaluated. The results demonstrate that the microcapsules exhibit high pesticide loading (62.18 %), excellent encapsulation efficiency (up to 92.17 %), and improved thermal stability, with sustained pesticide release over 16 d. This green synthesis method represents a significant advancement in pesticide delivery systems, offering a scalable, eco-friendly solution for sustainable agriculture with reduced environmental and health risks.</div></div>","PeriodicalId":15759,"journal":{"name":"Journal of Environmental Chemical Engineering","volume":"13 4","pages":"Article 117235"},"PeriodicalIF":7.4,"publicationDate":"2025-05-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144138694","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}