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Themed collection Recent Open Access Articles

51 items
Open Access Perspective

A proposed nomenclature for biological processes that remove nitrogen

A consistent terminology is proposed to resolve present inconsistencies and to facilitate distinct communication about biological nitrogen removal processes.

Graphical abstract: A proposed nomenclature for biological processes that remove nitrogen
From the themed collection: Recent Open Access Articles
Open Access Critical Review

A critical review of resource recovery from municipal wastewater treatment plants – market supply potentials, technologies and bottlenecks

This critical review reveals the technologies and potentials to recover water, energy, fertilizers and products from municipal WWTPs but also analyses the various bottlenecks that may their hinder successful implementation.

Graphical abstract: A critical review of resource recovery from municipal wastewater treatment plants – market supply potentials, technologies and bottlenecks
Open Access Critical Review

Hydrophilic trace organic contaminants in urban stormwater: occurrence, toxicological relevance, and the need to enhance green stormwater infrastructure

Urban stormwater transports hydrophilic trace organic contaminants that need study to ensure safe stormwater discharge or stormwater harvesting for water supply.

Graphical abstract: Hydrophilic trace organic contaminants in urban stormwater: occurrence, toxicological relevance, and the need to enhance green stormwater infrastructure
Open Access Critical Review

Mining valuable minerals from seawater: a critical review

Methods of extracting valuable minerals from seawater and seawater brines generated in desalination plants are critically reviewed in this paper.

Graphical abstract: Mining valuable minerals from seawater: a critical review
From the themed collection: Recent Open Access Articles
Open Access Communication

Efficient removal of per- and polyfluoroalkyl substances (PFASs) in drinking water treatment: nanofiltration combined with active carbon or anion exchange

Nanofiltration produces potable water, while adsorption materials GAC and AIX remove more PFASs from membrane retentate than from raw water.

Graphical abstract: Efficient removal of per- and polyfluoroalkyl substances (PFASs) in drinking water treatment: nanofiltration combined with active carbon or anion exchange
From the themed collection: Recent Open Access Articles
Open Access Paper

Molecular level characterisation of ion-exchange water treatment coupled to ceramic membrane filtration

Preferential removal of highly oxygenated larger aromatic and condensed aromatic molecules through ceramic membrane based water treatment.

Graphical abstract: Molecular level characterisation of ion-exchange water treatment coupled to ceramic membrane filtration
From the themed collection: Recent Open Access Articles
Open Access Paper

Emerging investigator series: carbon electrodes are effective for the detection and reduction of hexavalent chromium in water

Electrochemical methods using carbon electrodes are an attractive option for the detection and reduction of toxic Cr(VI) to benign Cr(III) in drinking water.

Graphical abstract: Emerging investigator series: carbon electrodes are effective for the detection and reduction of hexavalent chromium in water
From the themed collection: Emerging Investigator Series
Open Access Paper

Investigation of metaldehyde removal by powdered activated carbon from different water samples

Applying PAC to the water sample collected after static flocculation (position 2) gave the best result regarding the removal of metaldehyde.

Graphical abstract: Investigation of metaldehyde removal by powdered activated carbon from different water samples
From the themed collection: Recent Open Access Articles
Open Access Paper

Field testing of an onsite sanitation system on apartment building blackwater using biological treatment and electrochemical disinfection

Demonstration of an electrochemical toilet wastewater treatment and disinfection technology at the scale of an apartment building and translation of the system into a commercial product.

Graphical abstract: Field testing of an onsite sanitation system on apartment building blackwater using biological treatment and electrochemical disinfection
From the themed collection: Sanitation
Open Access Paper

Landfill leachate contributes per-/poly-fluoroalkyl substances (PFAS) and pharmaceuticals to municipal wastewater

Widespread disposal of landfill leachate to municipal sewer in the US calls for improved understanding of the relative organic-chemical contributions to the WWTP waste stream and associated surface-water discharge to receptors in the environment.

Graphical abstract: Landfill leachate contributes per-/poly-fluoroalkyl substances (PFAS) and pharmaceuticals to municipal wastewater
From the themed collection: Recent Open Access Articles
Open Access Paper

Impact of transformation, photodegradation and interaction with glutaraldehyde on the acute toxicity of the biocide DBNPA in cooling tower water

The reuse of cooling tower water (CTW) can substantially lower the freshwater footprint of cooling towers.

Graphical abstract: Impact of transformation, photodegradation and interaction with glutaraldehyde on the acute toxicity of the biocide DBNPA in cooling tower water
From the themed collection: Recent Open Access Articles
Open Access Paper

Modelling the clogging of a field filtration system used for stormwater harvesting

A model was developed to simulate the clogging of a field-scale stormwater harvesting system with high flow filters over 2.5-year.

Graphical abstract: Modelling the clogging of a field filtration system used for stormwater harvesting
From the themed collection: Recent Open Access Articles
Open Access Paper

Reactions of pyrrole, imidazole, and pyrazole with ozone: kinetics and mechanisms

Kinetics and transformation products for the reactions of ozone with pyrrole, imidazole, and pyrazole were determined. For the imidazole–ozone reaction, all possible transformation products were identified, completing the mass balance.

Graphical abstract: Reactions of pyrrole, imidazole, and pyrazole with ozone: kinetics and mechanisms
From the themed collection: Recent Open Access Articles
Open Access Paper

Selective removal of natural organic matter during drinking water production changes the composition of disinfection by-products

Disinfection by-products (DBPs) are potentially toxic compounds formed upon chemical disinfection of drinking water. This study evaluate how treatment approaches affect DBP formation and composition.

Graphical abstract: Selective removal of natural organic matter during drinking water production changes the composition of disinfection by-products
From the themed collection: Recent Open Access Articles
Open Access Paper

Field testing of low-cost titania-based photocatalysts for enhanced solar disinfection (SODIS) in rural India

We report the efficacy of titania-based photocatalysts for use as a simple and effective method of disinfecting drinking water in villages in West Bengal, demonstrating the viability of this technique to enhance solar disinfection in rural areas.

Graphical abstract: Field testing of low-cost titania-based photocatalysts for enhanced solar disinfection (SODIS) in rural India
From the themed collection: Recent Open Access Articles
Open Access Paper

Transport mechanisms of water molecules and ions in sub-nano channels of nanostructured water treatment liquid-crystalline membranes: a molecular dynamics simulation study

Transport mechanisms of water molecules and ions in the liquid crystalline (LC) membranes with sub-nano channels formed by self-organization of thermotropic ionic LC compounds were elucidated by molecular dynamics simulations.

Graphical abstract: Transport mechanisms of water molecules and ions in sub-nano channels of nanostructured water treatment liquid-crystalline membranes: a molecular dynamics simulation study
From the themed collection: Recent Open Access Articles
Open Access Paper

Mechanical degradation of polyacrylamide at ultra high deformation rates during hydraulic fracturing

Degradation of drag reducer polyacrylamide under high volume hydraulic fracturing (HVHF) conditions alters its polymer size, distribution and chemical composition, potentially affecting the toxicity and treatability of the resulting wastewater.

Graphical abstract: Mechanical degradation of polyacrylamide at ultra high deformation rates during hydraulic fracturing
From the themed collection: Recent Open Access Articles
Open Access Paper

DNAzyme-based biosensor as a rapid and accurate verification tool to complement simultaneous enzyme-based media for E. coli detection

DNAzyme-based biosensor can complement enzyme-based media to identify E. coli rapidly.

Graphical abstract: DNAzyme-based biosensor as a rapid and accurate verification tool to complement simultaneous enzyme-based media for E. coli detection
From the themed collection: Recent Open Access Articles
Open Access Paper

Temperature-dependent mechanisms of DOM removal by biological activated carbon filters

Physical and chemical adsorption by aged biological active carbon (BAC) filters were observed for some organic matter fractions, and may represent important removal mechanisms during periods of low microbial activity.

Graphical abstract: Temperature-dependent mechanisms of DOM removal by biological activated carbon filters
From the themed collection: Recent Open Access Articles
Open Access Paper

Removal of per- and polyfluoroalkyl substances (PFASs) from tap water using heterogeneously catalyzed ozonation

Heterogeneously catalyzed ozonation is successful in removing per- and polyfluoroalkyl substances from water, while persulfate can aid the treatment process.

Graphical abstract: Removal of per- and polyfluoroalkyl substances (PFASs) from tap water using heterogeneously catalyzed ozonation
From the themed collection: Recent Open Access Articles
Open Access Paper

Layer-by-layer membrane modification allows scandium recovery by nanofiltration

Layer-by-layer membrane modification yields acid resistant membranes for selective scandium recovery from wastes.

Graphical abstract: Layer-by-layer membrane modification allows scandium recovery by nanofiltration
From the themed collection: Recent Open Access Articles
Open Access Paper

Assessing the sustainability of on-site sanitation systems using multi-criteria analysis

Integrated approach to assess the sustainability of on-site sanitation systems.

Graphical abstract: Assessing the sustainability of on-site sanitation systems using multi-criteria analysis
From the themed collection: Sanitation
Open Access Paper

Oxidation of ammonium by Feammox Acidimicrobiaceae sp. A6 in anaerobic microbial electrolysis cells

Schematic of a biotic MEC with Feammox bacterium Acidimicrobiaceae sp. A6 culture. NH4+ is oxidized to NO2 at the anode and H+ is reduced to form H2 at the cathode.

Graphical abstract: Oxidation of ammonium by Feammox Acidimicrobiaceae sp. A6 in anaerobic microbial electrolysis cells
From the themed collection: Recent Open Access Articles
Open Access Paper

Monitoring the integrity of reverse osmosis membranes using novel indigenous freshwater viruses and bacteriophages

Naturally present indigenous fresh water viruses are able to accurately monitor virus rejection of intact and damaged RO membranes, with high sensitivity and similar performance as spiked bacteriophage MS2.

Graphical abstract: Monitoring the integrity of reverse osmosis membranes using novel indigenous freshwater viruses and bacteriophages
From the themed collection: Recent Open Access Articles
Open Access Paper

Step-by-step analysis of drinking water treatment trains using size-exclusion chromatography to fingerprint and track protein-like and humic/fulvic-like fractions of dissolved organic matter

The removal of UV absorbing and fluorescent DOM fractions of tyrosine-, tryptophan-, and fulvic/humic-like compounds at different steps of drinking water treatment was systematically evaluated using size-exclusion chromatography.

Graphical abstract: Step-by-step analysis of drinking water treatment trains using size-exclusion chromatography to fingerprint and track protein-like and humic/fulvic-like fractions of dissolved organic matter
From the themed collection: Recent Open Access Articles
Open Access Paper

Evaluation of the novel substrate RUG™ for the detection of Escherichia coli in water from temperate (Zurich, Switzerland) and tropical (Bushenyi, Uganda) field sites

The assessment of a novel enzyme-based assay showed it to be reliable to detect and quantify E. coli in water.

Graphical abstract: Evaluation of the novel substrate RUG™ for the detection of Escherichia coli in water from temperate (Zurich, Switzerland) and tropical (Bushenyi, Uganda) field sites
From the themed collection: Recent Open Access Articles
Open Access Paper

Long-term performance evaluation of an anoxic sulfur oxidizing moving bed biofilm reactor under nitrate limited conditions

An anoxic sulfur-oxidizing moving bed biofilm reactor (MBBR) treating sulfur and nitrate-contaminated synthetic wastewater was monitored for 306 days under feed nitrogen-to-sulfur (N/S) molar ratios of 0.5, 0.3 and 0.1.

Graphical abstract: Long-term performance evaluation of an anoxic sulfur oxidizing moving bed biofilm reactor under nitrate limited conditions
From the themed collection: Recent Open Access Articles
Open Access Paper

On the electrical operation of batch electrodialysis for reduced energy consumption

Batch electrodialysis (ED) may be used for the desalination of brackish water and seawater and for the concentration of high-salinity brine. Better system operation can significantly decrease energy consumption and cost, especially for seawater desalination.

Graphical abstract: On the electrical operation of batch electrodialysis for reduced energy consumption
From the themed collection: Recent Open Access Articles
Open Access Paper

Waterworks-specific composition of drinking water disinfection by-products

Non-target analysis of potentially toxic disinfection by-products at four waterworks in Sweden.

Graphical abstract: Waterworks-specific composition of drinking water disinfection by-products
From the themed collection: Recent Open Access Articles
Open Access Paper

Rejection of micron-sized particles using beech wood xylem

Investigating the removal efficiency of wood tissue in a dead-end filtration of micron-sized surrogates by determining the log removal values as well as the permeability of the material to water.

Graphical abstract: Rejection of micron-sized particles using beech wood xylem
From the themed collection: Recent Open Access Articles
Open Access Paper

Identification of the causes of drinking water discolouration from machine learning analysis of historical datasets

Understanding the processes and interactions occurring within complex, ageing drinking water distribution systems is vital to ensuring the supply of safe drinking water.

Graphical abstract: Identification of the causes of drinking water discolouration from machine learning analysis of historical datasets
From the themed collection: Recent Open Access Articles
Open Access Paper

A framework to analyze sulfate versus chloride selectivity in nanofiltration

Interspecies selectivity between NaCl and Na2SO4 in nanofiltration is explained by a simple, intuitive analytical framework.

Graphical abstract: A framework to analyze sulfate versus chloride selectivity in nanofiltration
From the themed collection: Recent Open Access Articles
Open Access Paper

COMBI, continuous ozonation merged with biofiltration to study oxidative and microbial transformation of trace organic contaminants

Investigating the biodegradation of ozonation products of trace organic contaminants is important to further elucidate their fate and to assess the efficiency of advanced water treatment processes.

Graphical abstract: COMBI, continuous ozonation merged with biofiltration to study oxidative and microbial transformation of trace organic contaminants
From the themed collection: Recent Open Access Articles
Open Access Paper

An assessment of the dietary bioavailability of silver nanomaterials in rainbow trout using an ex vivo gut sac technique

The uptake of engineered nanomaterials (ENMs) by the gut of fishes is poorly understood.

Graphical abstract: An assessment of the dietary bioavailability of silver nanomaterials in rainbow trout using an ex vivo gut sac technique
From the themed collection: Recent Open Access Articles
Open Access Paper

Overcoming ammonia inhibition in anaerobic blackwater treatment with granular activated carbon: the role of electroactive microorganisms

Methanogenesis and enrichment of microorganisms capable of interspecies electron and/or hydrogen exchange was investigated with addition of granular activated carbon (GAC) to batch anaerobic digesters treating vacuum collected blackwater with high ammonia concentration.

Graphical abstract: Overcoming ammonia inhibition in anaerobic blackwater treatment with granular activated carbon: the role of electroactive microorganisms
From the themed collection: Recent Open Access Articles
Open Access Paper

Assessing the potential of fluorescence spectroscopy to monitor contaminants in source waters and water reuse systems

It is of ongoing interest to evaluate real-time instruments for monitoring water contaminants for source water control and water reuse system performance applications.

Graphical abstract: Assessing the potential of fluorescence spectroscopy to monitor contaminants in source waters and water reuse systems
From the themed collection: Recent Open Access Articles
Open Access Paper

Bismuth titanate modified and immobilized TiO2 photocatalysts for water purification: broad pollutant scope, ease of re-use and mechanistic studies

Bi4Ti3O12–TiO2 on glass beads photodegrades pollutants including consumer-product precursors, pesticides, drugs and explosives.

Graphical abstract: Bismuth titanate modified and immobilized TiO2 photocatalysts for water purification: broad pollutant scope, ease of re-use and mechanistic studies
From the themed collection: Recent Open Access Articles
Open Access Paper

Whole metagenome sequencing of chlorinated drinking water distribution systems

This research highlights the potential of whole metagenome sequencing to help protect drinking water quality and safety.

Graphical abstract: Whole metagenome sequencing of chlorinated drinking water distribution systems
From the themed collection: Recent Open Access Articles
Open Access Paper

Cellulose-based water purification using paper filters modified with polyelectrolyte multilayers to remove bacteria from water through electrostatic interactions

Bacteria are removed from contaminated waters through adsorption onto the modified cellulose fiber surface in paper filters with pores larger than the bacteria.

Graphical abstract: Cellulose-based water purification using paper filters modified with polyelectrolyte multilayers to remove bacteria from water through electrostatic interactions
From the themed collection: Recent Open Access Articles
Open Access Paper

Exploration of the treatment of fish-canning industry effluents by aqueous-phase reforming using Pt/C catalysts

In the current work, an exploratory study on the application of catalytic aqueous phase reforming (APR) to the treatment of fish-canning wastewater was performed for the first time.

Graphical abstract: Exploration of the treatment of fish-canning industry effluents by aqueous-phase reforming using Pt/C catalysts
From the themed collection: Recent Open Access Articles
Open Access Paper

Achieving high-rate hydrogen recovery from wastewater using customizable alginate polymer gel matrices encapsulating biomass

Alginate encapsulation matrices selectively retained hydrogen producing biomass, achieving reliable high-rate production of hydrogen at various operating conditions.

Graphical abstract: Achieving high-rate hydrogen recovery from wastewater using customizable alginate polymer gel matrices encapsulating biomass
From the themed collection: Recent Open Access Articles
Open Access Paper

Removal of antibiotic resistance genes in an anaerobic membrane bioreactor treating primary clarifier effluent at 20 °C

Antibiotic resistance genes are removed by anaerobic membrane bioreactors at 20 °C.

Graphical abstract: Removal of antibiotic resistance genes in an anaerobic membrane bioreactor treating primary clarifier effluent at 20 °C
From the themed collection: Recent Open Access Articles
Open Access Paper

Integrated, multi-process approach to total nutrient recovery from stored urine

This research investigated an integrated, multi-process approach of struvite precipitation, ammonia stripping–acid absorption, and evaporation to recover NPK from stored urine.

Graphical abstract: Integrated, multi-process approach to total nutrient recovery from stored urine
From the themed collection: Recent Open Access Articles
Open Access Paper

Metaldehyde removal from drinking water by adsorption onto filtration media: mechanisms and optimisation

Trace micropollutants should be removed during drinking water production without increasing the disinfection-by-product formation potential or energy demand of the treatment process.

Graphical abstract: Metaldehyde removal from drinking water by adsorption onto filtration media: mechanisms and optimisation
From the themed collection: Recent Open Access Articles
Open Access Paper

Design and preliminary implementation of onsite electrochemical wastewater treatment and recycling toilets for the developing world

Self-contained toilet wastewater treatment system prototypes based on electrochemical oxidation of feces and urine using bi-layered semiconductor anodes ([Bi2O3]z[TiO2]1−z/IrxTayO2/Ti) have been designed, constructed, and implemented in regions where access to proper and sufficient sanitation is limited.

Graphical abstract: Design and preliminary implementation of onsite electrochemical wastewater treatment and recycling toilets for the developing world
From the themed collection: Sanitation
Open Access Paper

Comparison of advanced oxidation processes in the decomposition of diuron and monuron – efficiency, intermediates, electrical energy per order and the effect of various matrices

The efficiency of UV-photolysis, ozonation, their combination and heterogeneous photocatalysis was investigated and compared in various matrices.

Graphical abstract: Comparison of advanced oxidation processes in the decomposition of diuron and monuron – efficiency, intermediates, electrical energy per order and the effect of various matrices
From the themed collection: Recent Open Access Articles
Open Access Paper

Impact of upstream chlorination on filter performance and microbial community structure of GAC and anthracite biofilters

Dechlorination in GAC biofilters leads to greater bioactivity and growth of a diverse microbial community.

Graphical abstract: Impact of upstream chlorination on filter performance and microbial community structure of GAC and anthracite biofilters
From the themed collection: Recent Open Access Articles
Open Access Paper

Propidium monoazide pretreatment on a 3D-printed microfluidic device for efficient PCR determination of ‘live versus dead’ microbial cells

A microfluidic chip for differentiating live versus dead cells was designed and tested experimentally with lab and environmental samples.

Graphical abstract: Propidium monoazide pretreatment on a 3D-printed microfluidic device for efficient PCR determination of ‘live versus dead’ microbial cells
From the themed collection: Recent Open Access Articles
Open Access Paper

Effects of ortho- and polyphosphates on lead speciation in drinking water

Polyphosphates may increase lead solubility via complexation, but the risk is not well characterized. Size-exclusion chromatography with multi-element detection could help determine the prevalence of lead-polyphosphate complexes in drinking water.

Graphical abstract: Effects of ortho- and polyphosphates on lead speciation in drinking water
From the themed collection: Recent Open Access Articles
Open Access Paper

Partial renewal of granular activated carbon biofilters for improved drinking water treatment

There is a trend of increasing natural organic matter (NOM) in raw drinking waters of Nordic countries due to climate change.

Graphical abstract: Partial renewal of granular activated carbon biofilters for improved drinking water treatment
From the themed collection: Recent Open Access Articles
Open Access Paper

Case study: the crude MCHM chemical spill investigation and recovery in West Virginia USA

Several recent chemical spills have caused large-scale drinking water contamination incidents in Canada and the USA.

Graphical abstract: Case study: the crude MCHM chemical spill investigation and recovery in West Virginia USA
From the themed collection: Recent Open Access Articles
51 items

About this collection

Please see below for recent Open Access papers published in Environmental Science: Water Research & Technology.

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