ACS ES&T water最新文献

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Chemical Additive Fingerprinting of Microplastics for Source Tracking: The Effect of Weathering and Sample Processing 微塑料来源追踪的化学添加剂指纹图谱:风化和样品处理的影响
IF 4.5
ACS ES&T water Pub Date : 2026-10-09 Epub Date: 2026-09-03 DOI: 10.1021/acsestwater.6c00637
Kayla Simpson, Huy Nguyen, Paul Helm, Miriam L. Diamond, Roxana Sühring
{"title":"Chemical Additive Fingerprinting of Microplastics for Source Tracking: The Effect of Weathering and Sample Processing","authors":"Kayla Simpson,&nbsp;Huy Nguyen,&nbsp;Paul Helm,&nbsp;Miriam L. Diamond,&nbsp;Roxana Sühring","doi":"10.1021/acsestwater.6c00637","DOIUrl":"https://doi.org/10.1021/acsestwater.6c00637","url":null,"abstract":"<p>The use of chemical fingerprintingof microplastics (MPs)was evaluatedto support source identification by (1) identifying treatment-drivenchanges in MP chemical fingerprints caused by artificial weatheringand sample processing, and (2) testing the identification of MPs withinMP mixtures to mimic environmental samples. A nontarget chemical fingerprintlibrary was constructed from 15 pristine MPs using High-PerformanceLiquid Chromatography coupled with Quantitative Time-of-Flight MassSpectrometry, and a Random Forest classifier was trained to classifytreated MP counterparts. Results indicated that chemical fingerprintscomprised both polymerization-based and functional additive-derivedchemicals. The classifier correctly assigned all pristine MPs andretained 90% accuracy after artificial weathering and sample processing,despite treatment-driven changes in features that shifted fingerprintcomposition. Suspect screening analysis and Random Forest classificationsshowed that oxidative digestion had the greatest impact on MP fingerprintsand identification, decreasing prediction probabilities by an averageof 30% and altering MP fingerprint composition. In mixed-MP tests,MPs with unique fingerprints remained detectable, such as tire rubber,supporting targeted applications of the method. Overall, this workserves as a proof-of-concept of a novel fingerprinting method basedon MP identification using plastic additive fingerprints, which couldbe further developed to identify MP sources, such as local polluters.</p>","PeriodicalId":93847,"journal":{"name":"ACS ES&T water","volume":"6 10","pages":"6470–6480"},"PeriodicalIF":4.5,"publicationDate":"2026-10-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149152838","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Global Harmonization of Life Cycle Assessments for Small- and Medium-Scale Wastewater Treatment 中小规模污水处理生命周期评估的全球统一
IF 4.5
ACS ES&T water Pub Date : 2026-10-09 Epub Date: 2026-10-01 DOI: 10.1021/acsestwater.6c00580
Emilio Solis, Nils Thonemann, Ranran Wang, Arnold Tukker, Valerio Barbarossa
{"title":"Global Harmonization of Life Cycle Assessments for Small- and Medium-Scale Wastewater Treatment","authors":"Emilio Solis,&nbsp;Nils Thonemann,&nbsp;Ranran Wang,&nbsp;Arnold Tukker,&nbsp;Valerio Barbarossa","doi":"10.1021/acsestwater.6c00580","DOIUrl":"https://doi.org/10.1021/acsestwater.6c00580","url":null,"abstract":"<p>Wastewater management(WWM) is vital for protecting human healthand the environment, yet conventional centralized systems are resource-intensiveand unsuited to growing urban pressure. Small and medium WWMs offera potentially more sustainable alternative, but the lack of standardizedlife cycle assessment (LCA) approaches limits robust comparison andinformed decision-making. In this study, we conduct a global harmonizationof life cycle assessments of small- and medium-scale systems across96 LCAs and 9 treatment technologies. By harmonizing life cycle inventories,we eliminate variability in methods, assumptions, and biases, therebyproviding a consistent setting to compare environmental impacts. Theharmonization process shows that GHG emissions have been underrepresentedin inventories. The results suggest that direct emissions to air area key contributor to climate change, and decarbonization strategiesshould focus on minimizing these emissions. Sequencing batch reactorsshowed the lowest average phosphorus and low nitrogen emissions towater with minimal chemical dosing and low direct GHG emissions toair. Our findings support the development of environmentally sustainablesmall- and medium-scale water-treatment solutions for municipal settings.</p>","PeriodicalId":93847,"journal":{"name":"ACS ES&T water","volume":"6 10","pages":"6725–6738"},"PeriodicalIF":4.5,"publicationDate":"2026-10-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149152945","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Advancing Near-Term Water Quality Forecasting with Explainable Machine Learning and Probabilistic Uncertainty Quantification 用可解释的机器学习和概率不确定性量化推进近期水质预测
IF 4.5
ACS ES&T water Pub Date : 2026-10-09 Epub Date: 2026-09-14 DOI: 10.1021/acsestwater.6c00757
Rohit Shukla, Cayelan C. Carey, Adrienne Breef-Pilz, R. Quinn Thomas
{"title":"Advancing Near-Term Water Quality Forecasting with Explainable Machine Learning and Probabilistic Uncertainty Quantification","authors":"Rohit Shukla,&nbsp;Cayelan C. Carey,&nbsp;Adrienne Breef-Pilz,&nbsp;R. Quinn Thomas","doi":"10.1021/acsestwater.6c00757","DOIUrl":"https://doi.org/10.1021/acsestwater.6c00757","url":null,"abstract":"<p>Phytoplankton bloomsthreaten drinking-water security, yet translatinghigh-frequency monitoring data into timely, reliable, and interpretableforecasts remains challenging. Machine learning (ML) models can improvepredictive accuracy but typically require intensive tuning, yielddeterministic forecasts without uncertainty, and offer limited modelexplainability. To address these limitations, we present here an end-to-endframework integrating an extreme gradient boosting (XGBoost) ML withautomated hyperparameter optimization, bootstrap-ensemble uncertaintyquantification, and interpretability through SHapley additive exPlanations(SHAP), which we applied to forecast phytoplankton in a water-supplyreservoir. A 10-member ML ensemble achieved high chlorophyll-a forecastskill and uncertainty quantification, improving continuous rankedprobability score (CRPS) by up to 14.6% over the single model, withensemble CRPS of 1.2 and 2.7 μg/L at 1 and 7 days ahead, respectively.Global SHAP explanations identified initial chlorophyll-a as the primarydriver of the forecast 1 day ahead, with thermal stratification anddissolved organic matter gaining prominence at 7 days. Local SHAPattribution showed individual events to be physically interpretable,each traceable to the dynamic influence of thermal stratification,meteorological forcing, and initial chlorophyll-a. This lightweighttransferable framework advances mechanistic understanding of phytoplanktondynamics and supports proactive, risk-informed water-quality management.</p>","PeriodicalId":93847,"journal":{"name":"ACS ES&T water","volume":"6 10","pages":"6601–6612"},"PeriodicalIF":4.5,"publicationDate":"2026-10-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149152911","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Enhanced Calcium Carbonate Scale Mitigation by Binary Carboxylate-Phosphonate Antiscalant Blends: Formulation Optimization and Mechanistic Insights 通过二元羧酸-膦酸盐抗垢剂混合物增强碳酸钙减垢:配方优化和机理见解
IF 4.5
ACS ES&T water Pub Date : 2026-10-09 Epub Date: 2026-09-15 DOI: 10.1021/acsestwater.6c00890
Yushun Yang, Xifan Li, Lingling Zhao, Can He, Shengchi Bai, Xiaoqi Wang, Baicang Liu
{"title":"Enhanced Calcium Carbonate Scale Mitigation by Binary Carboxylate-Phosphonate Antiscalant Blends: Formulation Optimization and Mechanistic Insights","authors":"Yushun Yang,&nbsp;Xifan Li,&nbsp;Lingling Zhao,&nbsp;Can He,&nbsp;Shengchi Bai,&nbsp;Xiaoqi Wang,&nbsp;Baicang Liu","doi":"10.1021/acsestwater.6c00890","DOIUrl":"https://doi.org/10.1021/acsestwater.6c00890","url":null,"abstract":"<p>Calcium carbonate scaling poses a persistent challengeacross diverseindustrial water systems. Binary blends of carboxylate-based polymersand phosphonate-based molecules may enhance inhibition through complementaryinteractions between different functional groups, yet a systematicunderstanding of the interplay among formulation variables under varyingwater chemistry remains limited. Herein, we employed response surfacemethodology (RSM) coupled with a Box-Behnken design (BBD) to investigateand optimize the inhibition efficiency of two representative binaryantiscalant systems across varying blend proportions, total dosage,and initial Ca<sup>2+</sup> concentration. Second-order polynomialmodels were established to quantify main and interaction effects.Initial Ca<sup>2+</sup> concentration had the strongest main effectin both blend systems. The PESA/PBTCA and HPMA/PAPEMP systems exhibitedexcellent model fit (R<sup>2</sup> &gt; 0.98, predicted R<sup>2</sup> &gt; 0.85) and pronounced interaction between blend proportionsandtotal dosage. Binary antiscalant blends could achieve a performanceimprovement of more than 20% compared to commercial products. Kineticanalysis together with solid-phase analysis provided mechanistic insightsinto the inhibition behavior of the binary blends. These findingsdemonstrate that rational combination of phosphorus-free polycarboxylatesand phosphorus-containing phosphonates provides an effective strategyfor enhancing CaCO<sub>3</sub> scale inhibition, while RSM offersa practical tool for formulation optimization under different waterchemistry conditions.</p>","PeriodicalId":93847,"journal":{"name":"ACS ES&T water","volume":"6 10","pages":"6761–6772"},"PeriodicalIF":4.5,"publicationDate":"2026-10-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149152914","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Improved Measurement of Extractable Organic Fluorine in Biosolids and Compost and Its Implications for Fluorine Speciation 生物固体和堆肥中可提取有机氟的改进测量及其对氟形态的影响
IF 4.5
ACS ES&T water Pub Date : 2026-10-09 Epub Date: 2026-09-02 DOI: 10.1021/acsestwater.6c00294
Hafiz M. Abd-ur-Rehman, Wayne J. Parker, Anh Le-Tuan Pham
{"title":"Improved Measurement of Extractable Organic Fluorine in Biosolids and Compost and Its Implications for Fluorine Speciation","authors":"Hafiz M. Abd-ur-Rehman,&nbsp;Wayne J. Parker,&nbsp;Anh Le-Tuan Pham","doi":"10.1021/acsestwater.6c00294","DOIUrl":"https://doi.org/10.1021/acsestwater.6c00294","url":null,"abstract":"<p>Extractable organic fluorine (EOF)analysis is increasinglyusedto quantify organic fluorine (OF) not captured by targeted liquidchromatography–tandem mass spectrometry (LC–MS/MS),yet method standardization and quality assurance remain unresolvedfor solids, where isolating low OF from much larger inorganic fluorine(IF) is analytically challenging. Here, an enhanced EOF method wasdeveloped and validated for biosolids and compost to selectively isolateanionic OF while minimizing IF carryover. Methanolic extraction alonecoextracted substantial IF (22–35%), whereas incorporatinga 0.1% aqueous ammonium hydroxide wash into a modified weak anion-exchangesolid-phase extraction protocol reduced IF to below the limit of quantification(&lt;0.056 μg g<sup>–1</sup>) while maintaining goodOF recoveries (79–101%). Application of the validated methodshowed that EOF represented 0.24–0.69% of total fluorine, indicatingthat most fluorine was inorganic and/or nonextractable. Fluorine fromtargeted per- and polyfluoroalkyl substances (PFAS) accounted for4.3–46% of EOF, suggesting that targeted PFAS explained onlya subset of EOF. The improved quality-assured workflow provides morereliable EOF measurements for screening-level fluorine speciationand mass-balance evaluation, while emphasizing that EOF remains amethod-defined metric and should not be interpreted as a stand-alonemeasure of PFAS burden.</p>","PeriodicalId":93847,"journal":{"name":"ACS ES&T water","volume":"6 10","pages":"6282–6291"},"PeriodicalIF":4.5,"publicationDate":"2026-10-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149152902","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Boiling Away Emerging Pollutants: Ancient Wisdom for Modern Drinking Water Safety 煮沸掉新出现的污染物:现代饮用水安全的古老智慧
IF 4.5
ACS ES&T water Pub Date : 2026-10-09 Epub Date: 2026-09-08 DOI: 10.1021/acsestwater.6c00925
Chong-Chen Wang, Ya Gao, KunPeng Zhou, Peng Wang, Yanbiao Liu
{"title":"Boiling Away Emerging Pollutants: Ancient Wisdom for Modern Drinking Water Safety","authors":"Chong-Chen Wang,&nbsp;Ya Gao,&nbsp;KunPeng Zhou,&nbsp;Peng Wang,&nbsp;Yanbiao Liu","doi":"10.1021/acsestwater.6c00925","DOIUrl":"https://doi.org/10.1021/acsestwater.6c00925","url":null,"abstract":"<p>Emerging pollutants (EPs) in drinking water, like nano/microplastics,antibiotic resistance genes (ARGs), and disinfection byproducts (DBPs),threaten human health and ecosystems. While advanced treatment technologiesface high costs and energy demands, boiling, an ancient householdmethod, offers a practical alternative. Recent studies show that boilingremoves nano/microplastics via coprecipitation with incrustants, degradesARGs through thermal DNA denaturation, and eliminates volatile DBPs.Combining boiling with vacuum ultraviolet (VUV) irradiation enhancesdegradation while reducing energy use. Despite its benefits, economicand environmental barriers limit scalability in low-resource settings.Integrating boiling with sustainable practices, such as solar heatingand stainless steel containers, could optimize safety and accessibility.This review underscores boiling’s role as a cost-effective,point-of-use solution, bridging traditional practices with modernwater purification needs.</p>","PeriodicalId":93847,"journal":{"name":"ACS ES&T water","volume":"6 10","pages":"6188–6196"},"PeriodicalIF":4.5,"publicationDate":"2026-10-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149153044","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Wastewater Resistance Dynamics: Antibiotic–Disinfectant Interaction Patterns, Surveillance, and Emerging Containment Strategies 废水抗性动态:抗生素-消毒剂相互作用模式、监测和新兴遏制策略
IF 4.5
ACS ES&T water Pub Date : 2026-10-09 Epub Date: 2026-09-04 DOI: 10.1021/acsestwater.6c00558
Ifunanya R. Akaniro, Veronica F. Nyoyoko, Puranjan Mishra, Oluwatosin Q. Orababa, Daniel C. Digwo
{"title":"Wastewater Resistance Dynamics: Antibiotic–Disinfectant Interaction Patterns, Surveillance, and Emerging Containment Strategies","authors":"Ifunanya R. Akaniro,&nbsp;Veronica F. Nyoyoko,&nbsp;Puranjan Mishra,&nbsp;Oluwatosin Q. Orababa,&nbsp;Daniel C. Digwo","doi":"10.1021/acsestwater.6c00558","DOIUrl":"https://doi.org/10.1021/acsestwater.6c00558","url":null,"abstract":"<p>Globally, antimicrobials are indispensable componentsof modernhealthcare, sanitation, and water management systems; consequently,their contamination levels in the environment are burgeoning, therebyexacerbating a global health crisis. In addition, antimicrobial residuesin the environment exert selective pressure that fosters the emergenceand dissemination of resistant pathogens, including co- and cross-resistancebetween antibiotics and disinfectants, which intensifies public healththreat. Wastewater has been identified as the dominant environmentalpathway, providing conditions that allow for resistant bacteria andresistance genes to persist and interact. Conventional treatment processesreduce microbial loads but are far less effective against resistancedeterminants, leaving a reservoir of genetic material that sustainsantimicrobial resistance. This underscores the need for advanced treatmenttechnologies capable of eliminating both the resistant organisms andresistance genes. Equally critical is precise detection, where novelmolecular tools can generate reliable estimates of resistance prevalenceand coselection dynamics. This review highlights key knowledge gaps:limited efficacy of current detection and control strategies, insufficientattention to coresistance, and the absence of standardized frameworksfor evaluating antimicrobial resistance removal in wastewater. Addressingthese gaps is essential to scale up laboratory findings into practicalapplications and to inform interventions, guided by surveillance insightsthat mitigate coresistance to antibiotics and disinfectants.</p>","PeriodicalId":93847,"journal":{"name":"ACS ES&T water","volume":"6 10","pages":"6149–6165"},"PeriodicalIF":4.5,"publicationDate":"2026-10-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149153143","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Functional Nanoparticles for the Magnetic Removal of Critical Phthalates from Water 磁性去除水中关键邻苯二甲酸盐的功能纳米颗粒
IF 4.5
ACS ES&T water Pub Date : 2026-10-09 Epub Date: 2026-08-13 DOI: 10.1021/acsestwater.6c00761
Johannes Voß, Saskia Prusch, Luis Valencia, Julia Fröhlich, Lukas Müller, Sophie Dreyer, Linda Rockmann, Dirk Zahn, Marcus Halik
{"title":"Functional Nanoparticles for the Magnetic Removal of Critical Phthalates from Water","authors":"Johannes Voß,&nbsp;Saskia Prusch,&nbsp;Luis Valencia,&nbsp;Julia Fröhlich,&nbsp;Lukas Müller,&nbsp;Sophie Dreyer,&nbsp;Linda Rockmann,&nbsp;Dirk Zahn,&nbsp;Marcus Halik","doi":"10.1021/acsestwater.6c00761","DOIUrl":"https://doi.org/10.1021/acsestwater.6c00761","url":null,"abstract":"<p>Phthalate esters (PAEs) are human-made pollutants ofomnipresentconcern due to their extensive use as polymer plasticizers and theirendocrine-disruptive effects. Although the use of certain compoundshas been restricted, PAEs continue to accumulate in aquatic environmentsthrough ongoing direct release or leaching from polymeric materials.In this study, we report functionalized superparamagnetic iron oxidenanoparticles (SPIONs) designed to bind various PAEs via noncovalentinteraction motifs. The SPION surface is tailored via self-assembledmonolayers (SAMs) while the SPION core enables magnetic collection.Systematic remediation experiments demonstrate the broad-range removalof highly concerning PAEs. Molecular dynamics simulations provideinsights into the key interaction features between PAE pollutantsand SAM. With regard to potential sources of emissions, PAEs leachingfrom commercially available soft polyvinyl chloride children’stoys are identified and efficiently removed. Cost-efficient and recyclablefunctionalized SPIONs provide a sustainable approach for the removalof PAEs from water.</p>","PeriodicalId":93847,"journal":{"name":"ACS ES&T water","volume":"6 10","pages":"6626–6634"},"PeriodicalIF":4.5,"publicationDate":"2026-10-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149153110","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Beyond Nutrients: Disturbance–Competition Feedback Regulates Harmful Algal Blooms 超越营养:干扰-竞争反馈调节有害藻华
IF 4.5
ACS ES&T water Pub Date : 2026-10-09 Epub Date: 2026-08-19 DOI: 10.1021/acsestwater.6c00562
Hanyu Ju, Yifan Yuan, Jingjie Zhang, Karina Yew-Hoong Gin
{"title":"Beyond Nutrients: Disturbance–Competition Feedback Regulates Harmful Algal Blooms","authors":"Hanyu Ju,&nbsp;Yifan Yuan,&nbsp;Jingjie Zhang,&nbsp;Karina Yew-Hoong Gin","doi":"10.1021/acsestwater.6c00562","DOIUrl":"https://doi.org/10.1021/acsestwater.6c00562","url":null,"abstract":"<p>Harmful algal blooms (HABs) are intensifying globallyyet theirabsence in some high-nutrient lakes, challenging nutrient-centricparadigms. Using a nutrient-rich lake ecosystem, we quantified howenvironmental disturbance regulates algal dynamics under chronic nutrientloading. By integrating metagenomics, microbial source tracking, andinterpretable machine learning across contrasting disturbance conditions,we identified a disturbance–competition–feedback mechanism.Moderate environmental disturbance increased community diversity,with dominant algal richness rising 3.5-fold, intensified interspecificcompetition, and redirected functional investment from biomass accumulationtoward stress tolerance. Together, these responses suppressed HAB-formingtaxa despite persistently high-nutrient levels. The relative importanceof cyanobacteria decreased by 68%, accompanied by increased representationof multiple competing algal groups. These findings demonstrate thatbloom development is not determined by nutrient availability alonebut emerges from the interactions among environmental disturbanceand community-level ecological feedbacks. The proposed framework extendsnutrient-centric perspectives by highlighting disturbance-mediatedalgal community regulation and provides a mechanistic basis for improvingHAB prediction and adaptive management in eutrophic water ecosystems.</p>","PeriodicalId":93847,"journal":{"name":"ACS ES&T water","volume":"6 10","pages":"6422–6434"},"PeriodicalIF":4.5,"publicationDate":"2026-10-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149153112","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Mechanical Fragmentation of Environmentally Aged Macroplastics from the Rhine River under Vessel-Induced Propeller-Jet Forces 来自莱茵河的环境老化宏观塑料在船舶诱导的螺旋桨喷射力下的机械破碎
IF 4.5
ACS ES&T water Pub Date : 2026-10-09 Epub Date: 2026-09-30 DOI: 10.1021/acsestwater.6c00346
Stephanie B. Oswald, Niels van Lierop, Ad M. J. Ragas, Frank P. L. Collas
{"title":"Mechanical Fragmentation of Environmentally Aged Macroplastics from the Rhine River under Vessel-Induced Propeller-Jet Forces","authors":"Stephanie B. Oswald,&nbsp;Niels van Lierop,&nbsp;Ad M. J. Ragas,&nbsp;Frank P. L. Collas","doi":"10.1021/acsestwater.6c00346","DOIUrl":"https://doi.org/10.1021/acsestwater.6c00346","url":null,"abstract":"<p>The fragmentationof plastic particles is strongly influenced byboth the intrinsic properties of the plastic item, such as size andshape, and by the external environmental characteristics. Once introducedinto river systems, larger plastics are subject to weathering andfragmentation processes, ultimately resulting in secondary microplastics(&lt;5 mm). Plastics suspended in the water column may be exposedto strong hydrodynamic forces produced by propeller jets of riverinevessels. This study experimentally determines the hydrodynamic forcesrequired to fragment macroplastic items collected from the Rhine Riverin the Netherlands, to assess whether the drag forces exerted by thepropeller jets of riverine vessels can cause plastic fragmentation.The results demonstrate clear differences in fragmentation susceptibilityamong plastic categories. “Plastic film 2.5–50 cm (soft)”exhibited the lowest median breaking force (3.8 N) and the highestbreakage probabilities when exposed to high jet-induced velocitiesgenerated by vessels, exceeding 50% at velocities ≥5 m s<sup>–1</sup> and reaching up to ∼80% at 10 m s<sup>–1</sup>.</p>","PeriodicalId":93847,"journal":{"name":"ACS ES&T water","volume":"6 10","pages":"6305–6315"},"PeriodicalIF":4.5,"publicationDate":"2026-10-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149153240","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","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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