Themed collection Nanomaterial applications in water

Advanced electrocatalysts for halogenated organic pollutant degradation.

The development of enrichment–separation–analysis technologies is the cornerstone of accurately detecting, effectively monitoring, and controlling ENPs in aquatic environments.

The synthesis, multilevel structural features, adsorption performance and environmental applications of graphene nanosheets and 2D/3D graphene-based macrostructure material were summarized.

Electronic sensors can detect nutrients such as nitrogen and phosphorus that are key indexes in evaluating water eutrophication.

Schematic diagram showing the various water/wastewater treatment processes in which CN-based systems can be utilized.

In this work, we systematically design and synthesize manganese ferrite coated superparamagnetic magnetite nanocrystals, with oleylphosphate bilayer surface coatings (Fe₃O₄@Mn_xFe_yO₄@OP), for ultra high capacity uranium sorption and low-field magnetic-based separation in water.

Enhanced capacitive deionization of saline water has been demonstrated by using N-doped rod-like porous carbon derived from dual-ligand metal–organic frameworks.

Carbon-based materials have been used in water engineering to provide more effective and efficient methods to deliver clean water.

An environmental-friendly polyethyleneimine functionalized chitosan–lignin composite sponge with interconnected nanowall-network structures is feasibly fabricated for rapidly and selectively removing Hg(II) ions from aqueous solution.

Designing vertically-aligned CuAl-layered double oxide grown on reduced graphene oxide for capacitive desalination with high capacity and long cycling life.

Capacitive deionization (CDI) is an alternative water purification technology.

Antibacterial reduced graphene oxide – ZnO nanocomposite was synthesized by a one-step sonication method. The antibiofouling surface property of a nanocomposite incorporated polymeric membrane was high with minimum Zn²⁺ leaching.

Fe^III–TCPPCl-incorporated UiO-66 MOF could reliably achieve both photocatalysis and a Fenton-like reaction under visible light, with effective degradation against organic pollutants.

Two layered NaMnO₂ nanomaterials with expanded interlayer spacing were evaluated as HCDI redox-active intercalation electrodes and showed high CDI performance.

Hydrogen peroxide (H₂O₂) and superoxide radical (O₂˙⁻) play a critical role in environmental remediation technologies.

Plasma post-treatment is a facile method to tune performances of functionalized reduced graphene oxide membranes for nanofiltration.

A fluorescence method was employed to monitor the real-time dissolution kinetics of zinc oxide nanoparticles.

The synergistic catalysis effect of N vacancies and ∼5 nm Au nanoparticles greatly enhances the electrochemical sensitivity to Pb(II).

Exposed crystal facets of TiO₂ nanomaterials significantly affect the surface defect formation of the materials during thermal treatment.

Bimetallic Fe/Mn nanoparticles and N-doped carbon nanotubes in FeMn@NCNT synergistically activate peroxymonosulfate to form SO₄˙⁻, ˙OH, O₂˙⁻ and ¹O₂ for decomposing acetamiprid.

Solar power-based synchronous photothermal evaporation and photodegradation show significant promise on water treatment.

The mycelial pellet-derived hierarchical porous carbon nanosheets were fabricated facilely and showed high electrosorption capacity of 18.71 mg g⁻¹ for capacitive deionization.

The discharge of large amounts of oily wastewater causes serious environmental pollution and is a threat to human health.

An expanding textile industry has exacerbated the problem of dealing with effluent that contains dye molecules.

The reduction of Cr(VI) and oxidation of As(III) were markedly accelerated by employing iron oxide encapsulated in hydrothermal carbon sphere under simulated solar light irradiation.

Adsorption of Sb on the surface of TiO₂ NMs, and optimized TiO₂ {101} plane slab models for Sb(III) and Sb(V) absorption.

Graphene oxide membranes with tunable water channels and stability for ion rejections were fabricated by the blade casting technique and cation intercalation.

Kilograms of gold were recovered from wastewater using nanoscale zero-valent iron in a smelting plant since 2012.

Enhanced pollutant removal by FeOOH/RGO hydrogels relying on π–π and π–Fe interactions.

Benefiting from the synergistic effect between Co and N, Co and N codoped porous carbon displayed largely enhanced PMS activation for organic pollutants degradation.

This work designed a novel photoelectrochemical sensor by employing porphyrinic MOF/rGO as both the photocathode and binding unit for efficient detection of p-ASA.

Nano-Al₁₃ species changes in coagulation can be detected by optimized ESI-MS. Al₁₃ clusters can be aggregated by Al_m and Al_o instantly in AlCl₃ coagulation. Al₁₃ clusters are efficient components in both AlCl₃ and PACl coagulations.

Capacitive deionization of saline water using sandwich-like nitrogen-doped graphene composites via a self-assembling strategy has been demonstrated.

Zr/Mg oxide-PS was designed to extend the applicability of nanostructured metal oxide bearing composites to Cu(II) removal in acidic wastewaters.

A novel adsorbent (titanium phosphate nanotube) with high performance for U(VI) adsorption was fabricated through a facile solvothermal method.

Enhanced production and adsorption of atomic H* for efficient electrocatalytic dechlorination of TCAA with a Pd/rGO composite electrode.

A Cu/Mn immobilized carbon nanoframework modified sensor was used for continuously detecting the H₂O₂ concentration in an electro-Fenton system.

Fouling remains one of the biggest challenges in a myriad of applications such as water filtration, ship hulls, biomedical devices, coating, and painting.

Ion exchange selectivity coefficients for a new cross-linked micellar nanoparticle are reported and are used to predict specific ion recovery (e.g., phosphate) across dialysis membranes.

The wide use of pesticides in modern agriculture and other areas results in an urgent need for their efficient removal from the environment.

Photothermal sterilization based on PBNs has been demonstrated not only upon NIR irradiation but also most importantly under simulated solar light.

A mechanically robust, highly reactive water filter with embedded, surface-active iron oxide nanoparticles was developed for cationic heavy metal treatment.