Themed collection Membranes for Sustainable Water

PI strategies industrial waste-treatment integrated with membranes, hybrid-mode for separation of L–G–V at early-stage research. Scalable, energy-efficient, minimal-toxicant usage of PI is an eco-friendly-greener and sustainable industrial practice.

The ion transportation process through a membrane was divided into 3 sequential stages, where the ion selectivity could be determined by the ion charge, hydration energy, channel size and surface chemistry.

Membrane biofilm reactors are coupled with catalysts, electrochemistry, and anammox technology; their principles, applications, and carbon reduction efficiency are analyzed.

Access to clean and potable groundwater is paramount for sustaining human health and ecological balance.

Several pretreatment technologies for reducing ceramic ultrafiltration membrane fouling were reviewed, their advantages and disadvantages were analyzed, and the future development direction of the technology was discussed.

Treating PFAS-contaminated water is challenging due to the recalcitrant nature of PFAS. This review discusses advances in NF/RO membranes for separating PFAS from water and introduces a total management plan for handling the concentrated PFAS stream.

Metal–organic frameworks (MOFs) have emerged as promising candidates for high-performance separation processes due to their desirable porous structure and highly tunable properties.

In this study, clinoptilolite (Clp)-doped poly(vinylidene fluoride) (PVDF) membranes (1–4 wt%) were prepared using an electrospinning method.

Perfluorinated compounds (PFCs) are a class of emerging pollutants that are commonly detected in surface water and pose significant risks to both the environment and public health.

A novel composite membrane, comprising polystyrene, polypyrrole, and salian (PSPPY-Sa), was developed through the electro spinning technique to enhance scaling inhibition in water filtration systems.

Polyamide reverse osmosis membranes modified with graphene oxide (GO) showed improved water permeability, salt rejection, and resistance to chlorine attack and fouling. The GO coating also enhanced long-term stability compared to pristine membranes.

Construction of multistructured nanofibrous membranes with superhydrophobic surfaces via coaxial electrostatic spinning technology.

Four different CuO particles were synthesized, with no surfactant (CuO/NS) and with three surfactants: Triton X-100 (CuO/TX100), cetyltrimethylammonium bromide (CuO/CTAB) and sodium dodecyl sulfate (CuO/SDS).

Hydrogen isotope fractionation during water pervaporation through proton conductive membranes is primarily driven by H⁺/D⁺ transport, achieving a maximum H/D separation factor of 1.086.

The impact of ion competition on nitrate removal from contaminated groundwater using membrane-based bioelectrochemical systems is investigated.

Thermally driven membrane processes provide an alternative method to conventional pressure driven processes to recover high quality water and manage odour from concentrated blackwater, using a low-grade heat source instead of electrical energy.

Adding clay nanoparticles into PVDF MMMs enhances MD performance. Higher OMT loadings improve contact angle, LEP, and flux. Long-term operation shows no flux reduction. Humic acid foulant reduces clay membrane flux by 45% vs. 60% for commercial PVDF.

A moving bed-UV-photocatalytically modified membrane bioreactor (MB-UVPMBR) system effectively removed organic matter, and the removal efficiency of Lanasol blue 3R (LB) reached 85.1%.

Calcium removal from water can be accomplished by zeolite adsorption combined with gravity-driven membrane filtration. Zeolite size and Si/Al ratio significantly affect calcium removal and membrane filterability.

Increasing water scarcity and water quality impairment are drivers for broader implementation of potable reuse. To maximize the sustainability of these systems, it is important to address pathogen log reduction value (LRV) ‘gaps’.

In this study, a loose nanofiltration (NF) membrane with excellent perm-selectivity was fabricated via co-depositing tannic acid (TA) and polyethyleneimine (PEI) on a PVDF hollow fiber substrate.

Major groundwater cations can influence the U(IV) rejection of membranes. Water chemistry modeling, membrane characterization, uranium rejection, and membrane selectivity are investigated, with results showing optimal treatment operation at pH 7.

Combining ultrafiltration and advanced oxidation processes, a single-step reactor removes aqueous PFAS and destroys them in situ, allowing long-term reuse of the effective photocatalyst.

The removal of organic micropollutants, metals and metalloids was studied in an innovative two-stage system during nutrient recovery from centrate.

The modified composite membrane had both good hydrophilicity and strong positive charge, breaking through the trade-off effect.

The preferred coagulant dosage and mechanisms of tertiary fouling mitigation with the effect of secondary operating temperature were comprehensively studied.

Combatting arsenic in waters: unlocking the potential of iron oxide nanoparticles-based membranes for water treatment.

Organic-cation modified MWCNTs-based nanocomposite derived membrane to reduce environmental pollution.

In this study, we propose the production of a thin-film composite (TFC) membrane with efficient antimicrobial properties by modifying it with cellulose nanocrystals (CNC) and silver nanoparticles (AgNP) using an one-pot and layer-by-layer strategies.

Planococcus versutus sp. L10.15^T, a psychrotolerant quorum quenching bacterium, was effective in mitigating biofouling through the degradation of N-acyl homoserine lactones (AHLs) in membrane bioreactors at low temperatures.