OOIR: Observatory of International Research

Papers

(The TQCC of Water Research X is 10. The table below lists those papers that are above that threshold based on CrossRef citation counts [max. 250 papers]. The publications cover those that have been published in the past four years, i.e., from 2021-11-01 to 2025-11-01.)

Article	Citations
Effects of functional groups of polyfluoroalkyl substances on their removal by nanofiltration	129
Staggered supply of ferric citrate and oxygen as electron acceptors promote the co-recovery of vivianite and bioplastics PHB from wastewater	119
Evaluation of the process performance of comammox-like nitrospira dominant down-flow hanging sponge reactor with reduced nitrous oxide emissions	75
Mechanism insight into the facet-dependent photoaging of polystyrene microplastics on hematite in freshwater	71
Disinfection byproducts formed during drinking water treatment reveal an export control point for dissolved organic matter in a subalpine headwater stream	58
Efficient and sustainable removal of linear alkylbenzene sulfonate in a membrane biofilm: Oxygen supply dosage impacts mineralization pathway	55
Aquacultural source of nitrous oxide revealed by nitrogen isotopes	47
Start-up of a full-scale two-stage partial nitritation/anammox (PN/A) process treating reject water from high solid anaerobic sludge digestion (HSAD)	46
Emerging and legacy organophosphate flame retardants in the tropical estuarine food web: Do they exhibit similar bioaccumulation patterns, trophic partitioning and dietary exposure?	44
Making waves: Public health risks from arsenic in Mexico's water extraction practices	43
Gravity-driven membrane filtration with compact second-life modules daily backwashed: An alternative to conventional ultrafiltration for centralized facilities	40
A novel approach for accurate quantification of lake residence time — Lake Kinneret as a case study	36
Making waves: A vision for digital water utilities	36
Opportunities and challenges of tackling Scope 3 “Indirect” emissions from residential hot water	34
Treatment of burned soil leachates by ultrafiltration coupled with coagulation: Insights into membrane fouling	34
Spatial-economic scenarios to increase resilience to urban flooding	34
Nanoplastics are significantly different from microplastics in urban waters	34
Evaluating energy balance and environmental footprint of sludge management in BRICS countries	29
Removal of soluble divalent manganese by superfine powdered activated carbon and free chlorine: Development and application of a simple kinetic model of mass transfer–catalytic surface oxidation	24
Making Waves: A research agenda for supporting a WASH sustainability transformations approach to climate change	24
An integrated strategy for sequential nitrite removal and methane recovery: Sludge fermentation driven by nitrite reduction	23
Modulation of ultrathin nanosheet structure and nitrogen defects in graphitic carbon nitride for efficient photocatalytic bacterial inactivation	22
Effectiveness of three machine learning models for prediction of daily streamflow and uncertainty assessment	22
Mechanisms of N2O production in salinity-adapted partial nitritation systems for high-ammonia wastewater treatment	22
An electrochemical advanced oxidation process for the treatment of urban stormwater	21

Boosted brackish water desalination and water softening by facilely designed MnO2/hierarchical porous carbon as capacitive deionization electrode	20
Adaptive routing behaviors between “touch-go” and direct electron transfer of pyrogenic carbon to promote phosphorus recovery as vivianite	20
Machine learning-driven benchmarking of China's wastewater treatment plant electricity consumption	20
Wastewater tiling amplicon sequencing in sentinel sites reveals longitudinal dynamics of SARS-CoV-2 variants prevalence	19
Perfluoroalkyl functionalized-Au nanoparticle sensor: Employing rate of spectrum shifting for highly selective and sensitive detection of per- and polyfluoroalkyl substances (PFASs) in aqueous environ	19
Influence of pipe materials on in-building disinfection of P. aeruginosa and A. baumannii in simulated hot water plumbing	18
Continuous-flow phosphate removal using Cry-Ca-COS Monolith: Insights from dynamic adsorption modeling	17
An inconvenient impact: Unveiling the overlooked differences in crystalline forms of iron (hydro)oxides on anaerobic digestion	16
Long-term onsite monitoring of a sewage sludge drying pan finds methane emissions consistent with IPCC default emission factor	16
Autonomous online optimization of a closed-circuit reverse osmosis system	15
Enhancing accuracy and interpretability of multi-steps water demand prediction through prior knowledge integration in neural network architecture	15
A cellular automata coupled multi-objective optimization framework for blue-green infrastructure spatial allocation	15
Separating biological nutrient removal by EBPR-PN/A process to treat real municipal sewage	15
An overlooked nanofluids effect from Fe3O4 nanoparticles enhances mass transfer in anammox granular sludge	14
A two-stage partial nitritation-denitritation/anammox (PN-DN/A) process to treat high-solid anaerobic digestion (HSAD) reject water: Verification based on pilot-scale and full-scale projects	14
High-level nitrogen removal achieved by Feammox-based autotrophic nitrogen conversion	14
Characterization of acid-tolerant ammonia-oxidizing Nitrosospira bacteria suggests wide implementation of the acidic nitritation process	14
A probabilistic deep learning approach to enhance the prediction of wastewater treatment plant effluent quality under shocking load events	14
Micro- and nanoplastics in granular sludge systems: mechanisms of disruption, retention, and microbial adaptation in wastewater treatment technologies	13
Removal of perfluoroalkyl acids and common drinking water contaminants by weak-base anion exchange resins: Impacts of solution pH and resin properties	13
Decoupling locally enhanced electric field treatment (LEEFT) intensity and copper release by applying asymmetric electric pulses for water disinfection	13
Stagnation leads to short-term fluctuations in the effluent water quality of biofilters: A problem for greywater reuse?	13
Defense mechanism of Fe(III)-assisted anammox under salt stress: Performance and microbial community dynamics	13
A systematic review and meta-analysis of pathogen reduction in onsite sanitation systems	13
A unit process log reduction database for water reuse practitioners	12
Corrigendum to ‘Amyloid adhesin production in activated sludge is enhanced in lab-scale sequencing batch reactors: Feeding regime impacts microbial community and amyloid distribution’ [Water Research	12
The neglected ammonia leaching calcium in anaerobic granular sludge	12
Elucidating the complex hydrolysis and conversion network of xanthan-like extracellular heteropolysaccharides in waste activated sludge fermentation	12
Benchmarks for urine volume generation and phosphorus mass recovery in commercial and institutional buildings	11
New understanding of microbial growth cycle for efficient waste-activated sludge disposal by preserving microbial self-degradation activity during the decline phase	11
Enrichment and identification of a moderately acidophilic nitrite-oxidizing bacterium	11
Dual role of organic matter in Feammox-driven nitrogen and phosphate removal	11
Effects of biofilm formation on triclosan adsorption by UV-aged and pristine polystyrene microplastics in aquatic environments	11
Combined membrane aeration and filtration for energy- and space-efficient COD removal in water reuse	11
Identifying periods impacted by sewer inflow and infiltration using time series anomaly detection	11
Model-based monitoring of diffuser fouling using standard sensors	10
A novel methodology to develop EU water reuse risk management plan in agricultural water distribution networks and crop irrigation systems	10
Research stories along the urban water cycle	10
Scattered and transmitted light as surrogates for activated carbon residual in advanced wastewater treatment processes: Investigating the influence of particle size	10
Application of organic silicon quaternary ammonium salt (QSA) to reduce carbon footprint of sewers: Long-term inhibition on sulfidogenesis and methanogenesis	10
Innovative solutions for valorization of desalination brine	10
Exploring the feasibility of high rate enhanced biological phosphorus removal system driven by diverse carbon source	10
Unexpectedly high antibacterial ability of water in copper pot with tiny amount of plant leaves	10