We can't find the internet
Attempting to reconnect
Something went wrong!
Hang in there while we get back on track
Papers
61,005 resultsShowing papers similar to Tailoring Interactions of Random Copolymer Polyelectrolyte Complexes to Remove Nanoplastic Contaminants from Water
ClearInterfacial interaction between micro/nanoplastics and typical PPCPs and nanoplastics removal via electrosorption from an aqueous solution
Researchers synthesized nanoscale polystyrene particles and investigated how they adsorb common pharmaceuticals and personal care products, specifically ciprofloxacin and bisphenol A. The study also explored electrosorption as a method for removing nanoplastics from water, providing insights into both the environmental behavior of nanoplastics and potential remediation strategies.
Nanoplastics Removal from Water using Metal–Organic Framework: Investigation of Adsorption Mechanisms, Kinetics, and Effective Environmental Parameters
Researchers developed a metal-organic framework material that can remove 96% of nanoplastics from water through an adsorption process. The material works by attracting the negatively charged nanoplastic particles to its surface through electrostatic forces and can be regenerated for repeated use. This technology could provide a practical solution for removing the tiniest and most dangerous plastic particles from drinking water.
Exploration of interaction mechanism and removal performance of polystyrene nanoplastics with covalent organic framework: Experimental and theoretical study
Researchers synthesized a covalent organic framework (COF) material and demonstrated it can remove polystyrene nanoplastics from water with 99% efficiency within two hours, driven primarily by electrostatic attraction, and retains strong performance across multiple regeneration cycles.
Surface Charge Regulation of Nanoplastics in Aquatic Environments
Researchers developed a coupled mathematical model integrating electrostatic and diffusion equations to predict how environmental factors regulate the surface charge of nanoplastics in aquatic systems. The model revealed that pH, ionic strength, and dissolved organic matter all critically influence nanoplastic surface charge, governing their aggregation and transport behavior.
Combined experimental and molecular dynamics removal processes of contaminant phenol from simulated wastewater by polyethylene terephthalate microplastics
Researchers examined how polyethylene terephthalate (PET) microplastics adsorb phenol from wastewater, finding that aged PET had the best removal efficiency while modified PET had the highest maximum adsorption capacity, with molecular dynamics simulations confirming the mechanisms involved.
Nanoplastic adsorption characteristics of bisphenol A: The roles of pH, metal ions, and suspended sediments
Researchers found that nanoplastics adsorb bisphenol A through electrostatic, pi-pi stacking, and hydrophobic interactions, with adsorption capacity influenced by pH, competing metal ions, and suspended sediments, highlighting nanoplastics as vectors for BPA transport in aquatic environments.
Environmental aspects of restoring the environment: nanotechnology for removing micro and nanoplastics from water
Researchers developed a plasma chemical water purification method that combines modified humic substances with high-voltage electrical discharge to aggregate and magnetically remove micro- and nanoplastics from contaminated water. Tested on wastewater from a printing facility, the method outperformed conventional sorption or plasma treatment alone and showed promise for simultaneously removing plastics, heavy metals, and organic pollutants. This offers a potentially scalable technology for treating industrial wastewater sources that are currently releasing nanoplastics to the environment.
Harnessing Nanomaterials for Water Decontamination: Insights into Environmental Impact, Sustainable Applications, and the Emerging Role of Polymeric Nanostructures
This review examines how nanomaterials can be used for water decontamination, including the removal of microplastics from aquatic environments. Researchers found that properties like large surface area and high reactivity make nanomaterials effective at addressing water pollution, though concerns remain about the environmental persistence and potential secondary effects of the nanomaterials themselves.
Nanomaterials for microplastic remediation from aquatic environment: Why nano matters?
This review examines how nanomaterials such as photocatalysts, adsorbents, and membrane filters can be used to remove microplastics from aquatic environments, highlighting why nanoscale properties offer advantages over conventional remediation approaches.
Synthesis and characterization of electrospun-based composite for the remediation of pharmaceutical pollutants in wastewater
Researchers synthesised and characterised electrospun molecularly imprinted polymer composites designed to adsorb pharmaceutical pollutants — including NSAIDs such as naproxen and ibuprofen and antiretroviral drugs — from wastewater. The multi-template imprinted polymer demonstrated selective adsorption capacity for the target pharmaceuticals, presenting a nanotechnology-based remediation strategy for removing persistent drug contaminants from aquatic environments.
Hydrogel-based nanocomposites for enhanced environmental remediation
A review covered hydrogel-based nanocomposites engineered to adsorb and remove pollutants including microplastics from water. These materials show promise as efficient, tunable sorbents for environmental remediation applications.
Molecular modeling to elucidate the dynamic interaction process and aggregation mechanism between natural organic matters and nanoplastics
Researchers used molecular modeling to understand how nanoplastics interact with natural organic matter found in water environments. They found that the chemical properties of both the plastic surface and the organic molecules determined whether they clumped together or remained dispersed. The study provides new molecular-level insights into how nanoplastics behave and spread in natural water systems, which is important for predicting their environmental fate.
Utilizing Electrosorptionfor Efficient Removal ofPolyethylene Microplastics from Water: Critical Factors and MechanisticInsights
An electrosorption method was developed to remove polyethylene microplastics from wastewater, demonstrating improved removal efficiency compared to conventional treatment, especially for smaller particles that typically escape standard wastewater treatment plants.
A Novel Method For Microplastic Removal From Wastewater
Researchers developed a material using PAMAM dendrimers — highly branched molecules with many attachment sites — that effectively captures and holds microplastics from contaminated water. The approach showed promise as an economical water treatment solution for removing microplastic pollution from drinking and agricultural water supplies.
Removal of micro- and nano-plastics from aqueous matrices using modified biochar – A review of synthesis, applications, interaction, and regeneration
This review examines how modified biochar materials can be used to remove micro- and nanoplastics from water. Researchers found that chemical functionalization and nanoparticle integration of biochar significantly improve its ability to capture plastic particles through mechanisms like electrostatic interaction and physical adsorption. The study also highlights challenges in regenerating used biochar for sustainable reuse in water treatment applications.
Nanoplastics in aquatic systems: challenges and advances in adsorptive removal technologies
This review examined the formation and environmental effects of nanoplastics in water systems and assessed adsorption as a promising method for their removal. Researchers evaluated materials including biochar, sponges, and aerogels, finding that effectiveness depends on factors like pH, pore size, and surface chemistry. The study highlights that while adsorption technologies show potential for nanoplastic cleanup, challenges remain in scaling these approaches for real-world water treatment.
Efficiency and mechanism of micro- and nano-plastic removal with polymeric Al-Fe bimetallic coagulants: Role of Fe addition
Researchers investigated polymeric Al-Fe bimetallic coagulants for removing micro- and nanoplastics from drinking water, finding that iron addition enhanced nanoplastic removal efficiency through improved charge neutralization and floc formation mechanisms.
Polyoxometalate nanocluster-infused triple IPN hydrogels for excellent microplastic removal from contaminated water: detection, photodegradation, and upcycling
Researchers developed a specialized hydrogel infused with copper-based nanoclusters to remove microplastics from contaminated water. The study found that the hydrogel could both adsorb and photodegrade microplastic particles under various conditions simulating real-world water environments. This scalable approach suggests a promising new strategy for tackling microplastic pollution in water bodies.
Aggregation of carboxyl-modified polystyrene nanoplastics in water with aluminum chloride: Structural characterization and theoretical calculation
Aluminum chloride coagulation effectively removed carboxyl-modified polystyrene nanoplastics from water, with structural characterization and theoretical calculations showing that charge neutralization and sweep flocculation mechanisms both contributed to aggregation and sedimentation of the nanoplastics.
Role of Poly(Ionic Liquid) in Aggregation Behavior of Micro‐Particles in Aqueous Solvent
Researchers synthesized novel polymer-based flocculants (poly(ionic liquids)) that outperformed conventional aluminum-based coagulants in aggregating polypropylene and polystyrene microplastics from natural seawater, even under the high-salinity conditions where conventional treatments fail. Removing microplastics from marine environments is uniquely challenging because salt disrupts standard coagulation chemistry; these metal-free flocculants offer a more effective alternative. The work identifies a promising class of water treatment chemicals specifically suited to saltwater microplastic remediation.
Retention and Transport of Nanoplastics with Different Surface Functionalities in a Sand Filtration System
This study tested how well sand filtration removes nanoplastics with different surface chemistries — a key question since nanoplastics are increasingly detected in drinking water sources. Surface charge strongly influenced whether nanoplastics were retained or passed through the filter, with negatively charged particles being harder to remove.
Rapidly Predicting Aqueous Adsorption Constants of Organic Pollutants onto Polyethylene Microplastics by Combining Molecular Dynamics Simulations and Machine Learning
Researchers developed a computational method combining molecular simulations with machine learning to rapidly predict how organic pollutants adsorb onto polyethylene microplastics in water. The approach accurately predicted adsorption behavior across different conditions including particle size, water salinity, and pH without requiring time-consuming laboratory experiments. The tool could help environmental scientists more quickly assess how microplastics interact with and transport chemical contaminants in aquatic environments.
Efficient removal of nanoplastics from industrial wastewater through synergetic electrophoretic deposition and particle-stabilized foam formation
Researchers developed a new method to remove nanoplastics from industrial wastewater by combining electrophoretic deposition with particle-stabilized foam formation. The process uses pH changes from water electrolysis to make tiny plastic particles attach to bubbles near the electrode, achieving removal rates above 90%. The technique was successfully tested on real-world wastewater from paint and plastics manufacturing, offering a practical approach to addressing nanoplastic pollution that is too small for conventional filters.
An Atomic‐Level Perspective on the interactions between Organic Pollutants and PET particles: A Comprehensive Computational Investigation
Using advanced computational methods, researchers studied how organic pollutants interact with PET microplastic particles at the atomic level. The study found that pollutants bind to PET surfaces mainly through weak intermolecular forces, and that the specific chemical structure of both the pollutant and the plastic surface determines how strongly they attach.