Themed collection Environmental Science: Water Research & Technology Hot Papers

Urban stormwater is a source of persistent, mobile and toxic substances, however the risk for water resources is unknown.

This review identified 30 studies from 1992–2024 that performed quantitative microbial risk assessments on potable reuse and compared individual assumptions, summarized influential parameters, and analyzed results.

A review of the most recent research on the environmental implications of pharmaceutical contaminants, conventional treatment techniques, and the application of CDs for the extraction and degradation of pharmaceutics in wastewater.

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

Interfacial polymerization in thin-film composite membrane fabrication is a key advancement, enabling high-performance membranes with optimal flux and salt rejection, attracting significant industry attention.

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

Green roof contributes to urban stormwater management.

This work presents the first bibliometric analysis of 258 papers on percarbonate from 2000 to 2022. The research hotspots and trends of percarbonate research were analyzed and the challenges and prospects of percarbonate research were put forward.

A VF CW exhibited low-level production of the components responsible for odor sensation and were similar whether or not VF was operational. VOCs are the only component related to some odor sensation and were higher in the morning.

WWTP contaminant removal efficiencies were significantly negatively correlated with concentrations of antibiotics. The combination of correlation and risk quotients demonstrated that antibiotics caused a toxic shock event at the WWTP.

Fe(VI)–AA has good removal effect on SDM in mariculture tailwater, which provides a new idea for the removal of antibiotics in mariculture tailing water.

The removal of 2-MIB and GSM relied on dual effects resulting from MNB-induced volatilization and ozone oxidation.

Cyanobacterial biochar-loaded ceramic membranes for practical water treatment.

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

A microwave-assisted hydrothermal method was developed to produce flower-like porous pseudo-boehmite with a maximum adsorption capacity of 158.58 mg g⁻¹ and a fixed-bed adsorption column capacity of 95% for removal of phosphate.

This research enhances Fenton oxidation for saline organic wastewater by incorporating FeS nano-biological particles, which optimizes redox potential and the use of H₂O₂ to enhance COD removal.

The hydrolysis of PF₆⁻ is more accelerated by Al³⁺ than by H⁺, but the hydrolysis of PO₂F₂⁻ and PO₃F²⁻ is more accelerated by H⁺ rather than by Al³⁺.

Wastewater samples spanning three years were analyzed for human enteric pathogens and fecal indicators, highlighting seasonal, geographic, and pandemic-related variations of interest for water reuse, microbial risk assessment, and source tracking.

Our findings offer insights into the impact of nZVI addition on anaerobic sludge in the presence of PCMX.

Sub-city, or sub-sewershed, wastewater monitoring for infectious diseases offers a data-driven strategy to inform local public health response and complements city-wide data from centralized wastewater treatment plants.

This study compares culture-based and ddPCR methods for quantifying carbapenem resistance in wastewater, revealing weak correlations. Nanopore sequencing clarifies resistance mechanisms, emphasizing method selection and integrated AR surveillance.

Coagulation/flocculation of secondary effluent with FeCl₃ (1) removed MS2 bacteriophage and bacterial endospores up to 2–3 LRVs, (2) removed rapid surrogates at levels correlative with microbial removal, and (3) improved downstream O₃ performance.

Schematic diagram illustrating antibiotic removal via β-lactamase-entrapped agarose discs in a fixed-bed column bioreactor, highlighting the potential for scale-up.

Developing efficient Fenton catalysts for the remediation of emerging pollutants is one of the challenges for researchers.

Chitosan-tailored γ-AlOOH aerogels effectively remove dyes and heavy metals from water. With high recyclability and adsorption capacity, they offer an efficient, sustainable solution for industrial wastewater treatment.

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

A bulk sponge catalytic material was prepared by rapid polymerization of DA and utilized for PMS activation to degrade BPA. The coexistence of HCO₃⁻ enhanced ¹O₂ generation, accelerating BPA degradation.

In this research, a two-stage reaction system was developed, incorporating a moving bed biofilm reactor (MBBR) and a photocatalytic reactor.

This study characterized the degradation pathways of benzylamine, N-methylbenzylamine and N,N-dimethylbenzylamine during chlorination and chloramination.

Proposed mechanism of OTC photocatalytic degradation by the CNBC-30/PDS/Vis system.

This study reports a sustainable and green method for phosphorus (P) extraction and recovery from waste-activated sludge using glycine as a recyclable P-extraction agent.

Harmful algal blooms threaten ecosystems and water safety, necessitating rapid treatment strategies. This study developed an electrochemical ozonation process to realize simultaneous cyanobacteria inactivation and microcystin removal.

The accumulation of sediments in stormwater systems negatively affects their functioning.

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.

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

Rapid magnetic flocculation required a reaction time of only 2 minutes to achieve the ideal pollutant removal efficiency.

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

An optimized and efficient zinc chloride-based activation of rice straw yielded highly mesoporous carbons with an exceptional ability to adsorb the antibiotic amoxicillin. The maximum adsorption capacity was found to be as high as 1308 mg g⁻¹.

The electrochemically assisted autotrophic Feammox achieves a faster rate of ammonium oxidation through iron cycling with an optimal applied voltage of 0.6 V.

We utilized a BDD anode in a two-electrode system to investigate the degradation of a suite of PFASs in aqueous matrices.

As the most famous wine industry area in China, the concentration of dissolved trace elements (DTEs) in surface water of the Chishui River has attracted attention.

This study proposes a hybrid analytical model integrating two cost–benefit analysis approaches and an analytical stochastic approach for the proper design of infiltration trenches.

The transformation pathway of hydroxylamine and the formation mechanism of nitro(so) by-products during the treatment of phenols using the Fe(II)/peroxymonosulfate/hydroxylamine system are elaborated.

Locating and quantifying sources of metals in a mineralised catchment, using tracer injection and synoptic sampling.

Understanding electrochemical oxidation mechanisms through a combined experimental and computational approach.

We studied reactions between a variety of organic forms of the essential element selenium (Se) and the oxidant hypobromous acid (HOBr). The studied Se compounds, especially selenomethionine, had a high reactivity with HOBr.

An [Fe(TAML)]⁻ catalyst boosts the oxidising power of chlorine disinfectants to clear a model organic pollutant and inhibits formation of trihalomethane disinfection byproducts.

The study first reveals the long-term effects of toxic exposure on the current generation and the microbial communities of EAB. Acute toxicity inhibits the current generation in the early stage but gradually diminish during the middle and end stages.

14-month performance study of an anaerobic bioreactor combined with electrochemical oxidation and integrated into a self-contained public bathroom under daily use in Coimbatore (Tamil Nadu, India).

A separable bio-adsorbent was created through a straightforward cross-linking process, leading to effective capture of phosphate in both static and dynamic aqueous systems.

A mathematical process model was set up to evaluate functional guild dynamics in an integrated N and P removal process.

Environmental chronic risk generated by wet-weather discharges compared to final effluent was stochastically assessed, also from a climate-change perspective, stressing their growing contribution for many (micro-)pollutants.

The white-rot fungus Phanerodontia chrysosporium degraded more than 50% of imidacloprid in synthetic stormwater in one week, demonstrating the potential of fungal bioremediation for improved contaminant removal in stormwater infrastructure.

A UV/NH₂Br system existed in the process of treating bromine-containing water using advanced oxidation processes.

An innovative technique based on temperature measurements promises to better understand and manage sediments in urban drainage systems.

Episodic stormwater discharges expose aquatic ecosystems to extensive contaminant mixtures. Cumulative acute risks to multiple aquatic trophic levels are estimated based on contaminant mixtures documented in a US stormwater reconnaissance.

Urban surface-deposited sediments (USDs) with different spatial positions and heights are a mixture of various pollutants with complex sources and are widely distributed in urban environments.

Introduce BDH as a new class of environmentally-friendly antimicrobial biomaterial for water disinfection.

Remediation of water contaminated by oils, using advanced materials and membrane based processes.

The effect of Zn²⁺ on the crystal structure, optical properties, and photocatalytic activity for degradation of perfluoroalkyl substances of Bi₂WO₆ was studied.

Legionella pneumophila was quantified during the COVID-19 pandemic in 26 buildings in three countries to identify factors that influenced positivity.

Discharge plasma can remove Microcystis aeruginosa quickly and effectively, and reduce the potential environmental risk caused by the released DOM.

The MIL-101(Cr) functionalized h-BN and TiO₂ based photocatalytic PVDF MMMs are used for dye removal from textile industry wastewater. The h-BN/MIL-101(Cr)/PVDF MMMs show significant removal of dyes from textile industry wastewater.

This study investigated the performance of sequential chemical coagulation–electrooxidation (EO) processes in treating leachate membrane bioreactor (MBR) effluent.

The uncertainty of the changes in the quality of raw water, and the long lag in the process of coagulation introduce significant difficulties in eliminating turbidity during the treatment of drinking water.

Cd(II) could be removed completely by the UV/permanganate process, in which the continuously formed nano-sized MnO₂ played the critical roles in its abatement.

The MB-MPBR can achieve effluent COD, N and P discharge standards in one single step.

In this work, UV/NH₂Cl was utilized to remove ciprofloxacin (CIP) from water and the formation of disinfection by-products (DBPs) following disinfection was investigated to determine its applicability and safety.

Enhancing the degradation of ciprofloxacin in water using Oxone activated by urchin-like cubic and hollow-structured cobalt@N-doped carbon.

Nanobubbles are applied in diverse water-treatment technologies.