Groundwater Hydrochemical Evolution and Contaminant Transport Within Lacustrine Estuarine Aquifers: Implications for Potable Water Security and Terminal Lake Ecological Preservation

A novel double-triangular diagram reliably identifies groundwater hydrochemical facies in the lacustrine estuarine aquifer. Elevated calcium concentrations are found to mathematically mask infant non...

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Source Apportionment and Health Risk Assessment of Heavy Metals in Groundwater Around Typical Karst Region of the Lower Yellow River, China

This study systematically collected groundwater samples from the region and analyzed the concentrations of six heavy metals (Mn, Zn, Ni, Pb, As, and Cd). By integrating mathematical statistics, spati...

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Hydrogeochemical and Structural Controls on Rare Earth Element Distribution in Spring Waters from the Chongqing, China

REE behavior in Chongqing karst spring waters is governed by structure-driven circulation and hydrochemical evolution. Recharge in anticlines flows to synclines, with rising temperature and TDS, fall...

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Advances in Physicochemical and Biological Treatment of Textile Wastewater: An Applied Review of Methods, Technologies, and Costs

Major textile wastewater treatment technologies, including physicochemical (adsorption, membrane filtration, coagulation–flocculation, advanced oxidation), biological (algal–bacterial systems, fungal...

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Beyond Surface Area: The Role of Carrier Media Structure on Nitrification Performance and Biomass Activity in MBBR Systems Under High Nitrogen Loads

Carrier structural configuration, rather than nominal surface area alone, influenced nitrification performance in long-term autotrophic MBBRs operated under high nitrogen loads. Non-porous media prom...

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Feasibility Study on Combined Recirculation of Production Wastewater at Water Treatment Plants

Water samples were collected from the sedimentation sludge and filter backwash water of the water supply plant. A combined reflux experiment was conducted using a program-controlled six-stirrer syste...

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Toward Robust ARB Inactivation in Wastewater: Comparing Performic Acid, Peracetic Acid, and Chloramination Using ICT, Resistance, and Reactivation Metrics

Performic acid (PFA) achieved rapid, linear, and consistent inactivation of enterococci and vancomycin-resistant enterococci, peracetic acid (PAA) exhibited slower, variable kinetics with distinctive...

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Aerogel‐Derived Mesoporous MgO for Fluoride Removal: Mechanisms and In Situ Groundwater Remediation Potential

A novel aerogel-derived magnesium oxide (AG-MgO) adsorbent was developed for efficient fluoride removal from contaminated groundwater. The material shows strong potential as a passive adsorption barr...

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Rinsing Aircraft Hangar Fire Suppression System Components Contaminated With PFAS: Analysis of Rinse Waters and Pipe Surfaces

What can we learn by triple rinsing pipes taken from a real aircraft hangar AFFF system?

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Hydrochemical Characteristics and Evolution of Groundwater in Lop Nur Salt Field, Northwestern China

This study results reveal that evaporation, reverse cation exchange, and brine leakage mixing jointly control groundwater hydrochemistry. Positive matrix factorization (PMF) source apportionment indi....

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Spatiotemporal Variations of Temperature, Oxygen, and Salinity in a Typical Constructed Wetland for Source Water Protection in a Plain River Network

Integrating multi-year literature synthesis with high-density spring in situ mapping, this study reveals pronounced thermal, oxygen, and conductivity heterogeneity in the Yanlong Lake constructed wet....

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Explainable and Optimized Gradient Boosting Algorithms for Near‐Real‐Time Prediction of Cyanobacterial Alert Levels in Freshwater Systems

This study compares different machine learning frameworks to predict cyanobacterial alert levels based on routinely measured physicochemical and meteorological variables. Four gradient boosting algor...

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Real Wastewater Performance of Electrospun Metal Organic Framework Membranes for Simultaneous Adsorption and Photodegradation of Emerging Organic Pollutants: A Comprehensive Critical Review

Dual-function electrospun MOF membranes integrating adsorption and photocatalytic degradation demonstrate measurable emerging organic pollutant removal in real wastewater, yet authentic matrix compon....

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Hydrogeochemical Signatures, Genetic Mechanisms, and Sustainable Utilization Potential of Groundwater Resources in a Typical Arid Alluvial–Proluvial Plain of the Closed Qaidam Basin on Tibetan Plateau

This study employs Entropy Weighted Water Quality Index (EWQI) and Positive Matrix Factorization (PMF) as fundamental methodologies to conduct hydrochemical mechanism analysis, suitability assessment....

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Eco‐Friendly Copper Recovery: Insights to Algal and Agricultural Waste Application

An integrated bioleaching–biosorption strategy enabled sustainable copper recovery from electronic waste, with Fucus vesiculosus showing high adsorption efficiency and reusability. Efficient desorpti....

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Atmospheric Deposition as a Cross‐Media Pathway for Aquatic Contamination: Occurrence, Transformation, and Ecological and Human Health Impacts

Atmospheric contaminants can be transported over long distances and deposited into aquatic environments, where they exert combined ecological and human health impacts. This review synthesizes their o...

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Spatiotemporal Contaminant Occurrence and Risk Assessment in the Arroio Dourado River Under the Influence of Agriculture and a Deactivated Dumpsite

Integrated monitoring and risk assessment of an agricultural river influenced by a deactivated dumpsite.

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Tailored Mesoporous Networks in Graphene‐Supported Titania Nanopowders for Enhanced Photocatalysis: Unveiling the Impact of Internal Porous Architecture

Graphene nanosheets (Ex-rGO) incorporated into TiO2 tune its internal mesoporous network, creating wider, more accessible pores that accelerate dye diffusion. The optimized 0.2% Ex-rGO–TiO2 composite...

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Study on the Influence of Temperature on Biogas‐Coupled Anaerobic Ammonium Oxidation

This study systematically explores the mechanism of low temperature on the biogas-coupled Anammox system, clarifies how intermittent biogas injection alleviates low-temperature inhibition, optimizes ...

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Waterjet Injection Technology to Enhance Bioremediation of Chlorinated Solvents Contamination

Waterjet injection delivers substrate precisely to contaminated zones, rapidly promoting anaerobic bioremediation of trichloroethylene in groundwater.

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A Systematic Comparison of Multiple Models for Depth‐Dependent Decay of Hydraulic Conductivity in Salt Lake Areas: A Case Study of Typical Boreholes in the Qaidam Basin

Hydraulic conductivity decreases with depth in the Qaidam salt lake area. Comparative analysis of seven boreholes shows that the geometric square root model has the best overall performance, with the....

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When Pollutants Meet Pharmaceuticals: Pollutant–Drug Interactions and Their Hidden Impact on Human Health

Environmental pollutants including microplastics, PFAS, heavy metals, and disinfectant biocides may alter drug behavior and biological responses through convergent physicochemical and molecular mecha...

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Microbial Dynamics During the Anaerobic Digestion of Raw Sewage and Electro‐Flocculated Wastewater for Biohydrogen and Biomethane Production using Synthetically Designed Microbial Consortia

This study explores wastewater management and energy recovery by utilizing electro-flocculated (EF) and raw sewage (RW) wastewater as substrates for H2 and CH4 production in single-stage anaerobic di....

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Artificial Intelligence, Optimization, and Modeling Techniques in Water Resources Management: Challenges and Future Directions

This study presents an integrated framework linking six foundational elements of water resources management: watershed modeling, surrogate modeling, optimization, artificial intelligence, decision su....

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Hydrodynamic Optimization and Bioelectrochemical Performance of a Dual‐Chamber Microbial Fuel Cell: A CFD‐Assisted Evaluation of Stirring Effects for Textile Wastewater Treatment

CFD-assisted evaluation of mixing regimes shows how impeller-driven (impeller speed increases from 25 to 125 rpm) hydrodynamics influence biomass suspension, dye degradation (CR%), and power density ...

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Enhancing the Ability of Logical Thinking and Knowledge Integration in the Context of Carbon Neutrality and Environmental Sustainability: A Case Study of the Teaching Practice Base in the Karst Areas

The illustration depicts the integration of the teaching content of the hydrogeology course and the practical problems of karst hydrogeology in the context of carbon neutrality and sustainable develo...

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Performance and Microbial Dynamics of Vermifiltration‐Integrated Constructed Wetland Treating Rice Mill Wastewater Under Elevated COD and Lignin Loading

This study aims to establish a mechanistic and quantitative framework that delineates the transition from microbial adaptation to substrate inhibition during the treatment of lignin-rich RMW using an....

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Biodiesel Production From Waste Cooking Oil: A Study Towards Zero‐Discharge Strategy via Pilot‐Scale Packed Adsorption Column for Wash Water Treatment and Reuse

Food-waste–derived-activated carbon was used for treatment of biodiesel wash water in pilot-scale quantity. Fuel satisfying ASTM criteria was created by refining biodiesel using FWAC-treated wash wat....

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Machine Learning Assisted Modeling and Interpretation of Thermally Activated Persulfate‐Based Advanced Oxidation Processes

An interpretable machine learning framework was developed to predict degradation kinetics in thermally activated persulfate systems. Temperature, oxidant dosage, and pollutant concentration were iden...

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Fe‐C Micro‐Electrolysis Driven Dyeing Wastewater Purification in Constructed Wetlands

Fe-C micro-electrolysis-enhanced constructed wetland (ICW) achieved > 94% dye removal, 62.75% lower greenhouse gas emissions, and enriched functional microbes, demonstrating dual advantages in effici...

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