OOIR: Observatory of International Research

Papers

(The TQCC of Water Research X is 5. 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 2022-01-01 to 2026-01-01.)

Article	Citations
Start-up of a full-scale two-stage partial nitritation/anammox (PN/A) process treating reject water from high solid anaerobic sludge digestion (HSAD)	115
Aquacultural source of nitrous oxide revealed by nitrogen isotopes	66
Metagenome-informed QMRA and resistome profiling reveal hidden health risks in Yongding River wastewater	64
Staggered supply of ferric citrate and oxygen as electron acceptors promote the co-recovery of vivianite and bioplastics PHB from wastewater	49
Efficient and sustainable removal of linear alkylbenzene sulfonate in a membrane biofilm: Oxygen supply dosage impacts mineralization pathway	47
Calcium silicate hydrate–embedded porous concrete for efficient phosphate removal and recovery in concentrated eluates	44
Effects of functional groups of polyfluoroalkyl substances on their removal by nanofiltration	39
Evaluation of the process performance of comammox-like nitrospira dominant down-flow hanging sponge reactor with reduced nitrous oxide emissions	39
Impact of cold-water premise plumbing on the fate and associated additive toxicity of disinfection byproducts	35
Mechanism insight into the facet-dependent photoaging of polystyrene microplastics on hematite in freshwater	34
The important role of controlling water velocity and benthic fish in lake eutrophication restoration	32
Making waves: Public health risks from arsenic in Mexico's water extraction practices	31
Disinfection byproducts formed during drinking water treatment reveal an export control point for dissolved organic matter in a subalpine headwater stream	31
Emerging and legacy organophosphate flame retardants in the tropical estuarine food web: Do they exhibit similar bioaccumulation patterns, trophic partitioning and dietary exposure?	29
Gravity-driven membrane filtration with compact second-life modules daily backwashed: An alternative to conventional ultrafiltration for centralized facilities	24
Multi-source ecological water replenishment reshapes microbial community assembly and network stability in a water-scarce river	21
Widespread decrease of phosphorus and the potential driving mechanisms in Taihu basin’s lakes	21
A data-driven early warning system for Escherichia coli in water based on microbial community analysis using flow cytometry 2D histograms	21
Carbon source and electro-stimulation modulates performance, microbial ecology, and metabolism in U (VI) bioreduction systems	20
Leak detection in water supply networks using two-stage temporal segmentation and incremental learning for non-stationary acoustic signals	18
Treatment of burned soil leachates by ultrafiltration coupled with coagulation: Insights into membrane fouling	17
An enzymatic mechanism on sediment N and P release in arid-region lakes under various saline conditions	17
A novel approach for accurate quantification of lake residence time — Lake Kinneret as a case study	16
Nanoplastics are significantly different from microplastics in urban waters	16
Making waves: A vision for digital water utilities	16

The spatiotemporal influence of atmospheric nitrogen deposition on basin nitrogen exports based on CMAQ-SWAT model	15
Making Waves: A research agenda for supporting a WASH sustainability transformations approach to climate change	15
Opportunities and challenges of tackling Scope 3 “Indirect” emissions from residential hot water	15
Modulation of ultrathin nanosheet structure and nitrogen defects in graphitic carbon nitride for efficient photocatalytic bacterial inactivation	14
An integrated strategy for sequential nitrite removal and methane recovery: Sludge fermentation driven by nitrite reduction	13
Effectiveness of three machine learning models for prediction of daily streamflow and uncertainty assessment	13
Mechanisms of N2O production in salinity-adapted partial nitritation systems for high-ammonia wastewater treatment	13
Evaluating energy balance and environmental footprint of sludge management in BRICS countries	13
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	13
Boosted brackish water desalination and water softening by facilely designed MnO2/hierarchical porous carbon as capacitive deionization electrode	12
Spatial-economic scenarios to increase resilience to urban flooding	12
Influence of pipe materials on in-building disinfection of P. aeruginosa and A. baumannii in simulated hot water plumbing	12
Adaptive routing behaviors between “touch-go” and direct electron transfer of pyrogenic carbon to promote phosphorus recovery as vivianite	12
Machine learning-driven benchmarking of China's wastewater treatment plant electricity consumption	12
Hydrological phase-driven management in semi-arid watersheds: Linking plankton assembly dynamics and adaptive resilience strategies	12
Wastewater tiling amplicon sequencing in sentinel sites reveals longitudinal dynamics of SARS-CoV-2 variants prevalence	12
Enhancing accuracy and interpretability of multi-steps water demand prediction through prior knowledge integration in neural network architecture	11
Long-term onsite monitoring of a sewage sludge drying pan finds methane emissions consistent with IPCC default emission factor	11
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	11
Separating biological nutrient removal by EBPR-PN/A process to treat real municipal sewage	11
Continuous-flow phosphate removal using Cry-Ca-COS Monolith: Insights from dynamic adsorption modeling	10
Autonomous online optimization of a closed-circuit reverse osmosis system	10
Hierarchical ultra microporous aluminum based metal organic aerogels for water purification: Kinetic, isotherm, and regeneration insights into diclofenac adsorption	10
A cellular automata coupled multi-objective optimization framework for blue-green infrastructure spatial allocation	10
High-level nitrogen removal achieved by Feammox-based autotrophic nitrogen conversion	10
A probabilistic deep learning approach to enhance the prediction of wastewater treatment plant effluent quality under shocking load events	9
Characterization of acid-tolerant ammonia-oxidizing Nitrosospira bacteria suggests wide implementation of the acidic nitritation process	9
qPCR-Based Prediction of Low-Level Microcystin-LR Using mcyE and Passive Sampling Across Multiple Lakes and Years	9
Extraneous water in sewer systems: A Comprehensive review on sewer infiltration and inflow quantification, localization and mitigation	8
An overlooked nanofluids effect from Fe3O4 nanoparticles enhances mass transfer in anammox granular sludge	8
An inconvenient impact: Unveiling the overlooked differences in crystalline forms of iron (hydro)oxides on anaerobic digestion	8
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	8
Defense mechanism of Fe(III)-assisted anammox under salt stress: Performance and microbial community dynamics	8
Decoupling locally enhanced electric field treatment (LEEFT) intensity and copper release by applying asymmetric electric pulses for water disinfection	7
Optimization Framework for Urban Flood Mitigation Strategies Considering Collaborative Drainage Mechanisms	7
Soil-derived dissolved organic matter in inland wetlands along a temperate river: Insights from spectroscopic characteristics coupled with machine learning methods	7
Governance challenges in water data management: Insights from the application of the practitioner governance assessment tool in Palestine	7
Identification of characteristic factors for water quality indicators and development of a wastewater source signature system for receiving rivers	7
A systematic review and meta-analysis of pathogen reduction in onsite sanitation systems	7
Application of electrodialysis for nutrient recovery from manure digestate: A long-term investigation of membrane fouling	7
Removal of perfluoroalkyl acids and common drinking water contaminants by weak-base anion exchange resins: Impacts of solution pH and resin properties	7
Micro- and nanoplastics in granular sludge systems: mechanisms of disruption, retention, and microbial adaptation in wastewater treatment technologies	7
A unit process log reduction database for water reuse practitioners	6
Elucidating the complex hydrolysis and conversion network of xanthan-like extracellular heteropolysaccharides in waste activated sludge fermentation	6
Combined membrane aeration and filtration for energy- and space-efficient COD removal in water reuse	6
Dual role of organic matter in Feammox-driven nitrogen and phosphate removal	6
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	6
Effects of biofilm formation on triclosan adsorption by UV-aged and pristine polystyrene microplastics in aquatic environments	6
New understanding of microbial growth cycle for efficient waste-activated sludge disposal by preserving microbial self-degradation activity during the decline phase	5
Synergistic ozonation–ion exchange strategy for nutrient recovery from algal filtrate	5

Research stories along the urban water cycle	5
Scattered and transmitted light as surrogates for activated carbon residual in advanced wastewater treatment processes: Investigating the influence of particle size	5
Intelligent real-time pump scheduling in water distribution networks based on graph convolutional networks	5
Exploring the feasibility of high rate enhanced biological phosphorus removal system driven by diverse carbon source	5
Enrichment and identification of a moderately acidophilic nitrite-oxidizing bacterium	5
Urban blocks enable data-reduced, hydraulically sound planning for combined sewer overflow mitigation	5
Application of organic silicon quaternary ammonium salt (QSA) to reduce carbon footprint of sewers: Long-term inhibition on sulfidogenesis and methanogenesis	5
Use of the MABR fingerprint soft sensor to control biofilm thickness and optimize hybrid membrane aerated biofilm reactor (MABR) performance	5
Identifying periods impacted by sewer inflow and infiltration using time series anomaly detection	5
Benchmarks for urine volume generation and phosphorus mass recovery in commercial and institutional buildings	5
The neglected ammonia leaching calcium in anaerobic granular sludge	5
Innovative solutions for valorization of desalination brine	5
A novel methodology to develop EU water reuse risk management plan in agricultural water distribution networks and crop irrigation systems	5
Unexpectedly high antibacterial ability of water in copper pot with tiny amount of plant leaves	5