OOIR: Observatory of International Research

Papers

(The median citation count of Water Research X is 4. 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 2021-10-01 to 2025-10-01.)

Article	Citations
Aquacultural source of nitrous oxide revealed by nitrogen isotopes	128
Staggered supply of ferric citrate and oxygen as electron acceptors promote the co-recovery of vivianite and bioplastics PHB from wastewater	126
Start-up of a full-scale two-stage partial nitritation/anammox (PN/A) process treating reject water from high solid anaerobic sludge digestion (HSAD)	81
Mechanism insight into the facet-dependent photoaging of polystyrene microplastics on hematite in freshwater	65
Disinfection byproducts formed during drinking water treatment reveal an export control point for dissolved organic matter in a subalpine headwater stream	62
Evaluation of the process performance of comammox-like nitrospira dominant down-flow hanging sponge reactor with reduced nitrous oxide emissions	61
Efficient and sustainable removal of linear alkylbenzene sulfonate in a membrane biofilm: Oxygen supply dosage impacts mineralization pathway	48
Emerging and legacy organophosphate flame retardants in the tropical estuarine food web: Do they exhibit similar bioaccumulation patterns, trophic partitioning and dietary exposure?	46
Effects of functional groups of polyfluoroalkyl substances on their removal by nanofiltration	46
Making waves: Public health risks from arsenic in Mexico's water extraction practices	45
Gravity-driven membrane filtration with compact second-life modules daily backwashed: An alternative to conventional ultrafiltration for centralized facilities	41
Treatment of burned soil leachates by ultrafiltration coupled with coagulation: Insights into membrane fouling	40
Making waves: A vision for digital water utilities	36
A novel approach for accurate quantification of lake residence time — Lake Kinneret as a case study	36
Making Waves: A research agenda for supporting a WASH sustainability transformations approach to climate change	35
Nanoplastics are significantly different from microplastics in urban waters	35
An integrated strategy for sequential nitrite removal and methane recovery: Sludge fermentation driven by nitrite reduction	34
Mechanisms of N2O production in salinity-adapted partial nitritation systems for high-ammonia wastewater treatment	31
Opportunities and challenges of tackling Scope 3 “Indirect” emissions from residential hot water	25
An electrochemical advanced oxidation process for the treatment of urban stormwater	25
Modulation of ultrathin nanosheet structure and nitrogen defects in graphitic carbon nitride for efficient photocatalytic bacterial inactivation	23
Spatial-economic scenarios to increase resilience to urban flooding	23
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	23
Effectiveness of three machine learning models for prediction of daily streamflow and uncertainty assessment	22
Evaluating energy balance and environmental footprint of sludge management in BRICS countries	22

Boosted brackish water desalination and water softening by facilely designed MnO2/hierarchical porous carbon as capacitive deionization electrode	21
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	20
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
Adaptive routing behaviors between “touch-go” and direct electron transfer of pyrogenic carbon to promote phosphorus recovery as vivianite	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
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	17
An overlooked nanofluids effect from Fe3O4 nanoparticles enhances mass transfer in anammox granular sludge	17
High-level nitrogen removal achieved by Feammox-based autotrophic nitrogen conversion	16
Characterization of acid-tolerant ammonia-oxidizing Nitrosospira bacteria suggests wide implementation of the acidic nitritation process	16
An inconvenient impact: Unveiling the overlooked differences in crystalline forms of iron (hydro)oxides on anaerobic digestion	15
Long-term onsite monitoring of a sewage sludge drying pan finds methane emissions consistent with IPCC default emission factor	15
Autonomous online optimization of a closed-circuit reverse osmosis system	14
A cellular automata coupled multi-objective optimization framework for blue-green infrastructure spatial allocation	14
Enhancing accuracy and interpretability of multi-steps water demand prediction through prior knowledge integration in neural network architecture	14
Defense mechanism of Fe(III)-assisted anammox under salt stress: Performance and microbial community dynamics	14
Separating biological nutrient removal by EBPR-PN/A process to treat real municipal sewage	14
Hierarchical Ultra Microporous Aluminum Based Metal Organic Aerogels for Water Purification: Kinetic, Isotherm, and Regeneration Insights into Diclofenac Adsorption	13
Micro- and nanoplastics in granular sludge systems: mechanisms of disruption, retention, and microbial adaptation in wastewater treatment technologies	13
A probabilistic deep learning approach to enhance the prediction of wastewater treatment plant effluent quality under shocking load events	13
Decoupling locally enhanced electric field treatment (LEEFT) intensity and copper release by applying asymmetric electric pulses for water disinfection	13
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
Removal of perfluoroalkyl acids and common drinking water contaminants by weak-base anion exchange resins: Impacts of solution pH and resin properties	12
Stagnation leads to short-term fluctuations in the effluent water quality of biofilters: A problem for greywater reuse?	12
A systematic review and meta-analysis of pathogen reduction in onsite sanitation systems	12
A unit process log reduction database for water reuse practitioners	12
Benchmarks for urine volume generation and phosphorus mass recovery in commercial and institutional buildings	11
Effects of biofilm formation on triclosan adsorption by UV-aged and pristine polystyrene microplastics in aquatic environments	11
New understanding of microbial growth cycle for efficient waste-activated sludge disposal by preserving microbial self-degradation activity during the decline phase	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
Enrichment and identification of a moderately acidophilic nitrite-oxidizing bacterium	11
A novel methodology to develop EU water reuse risk management plan in agricultural water distribution networks and crop irrigation systems	10
Dual role of organic matter in Feammox-driven nitrogen and phosphate removal	10
Model-based monitoring of diffuser fouling using standard sensors	10
Exploring the feasibility of high rate enhanced biological phosphorus removal system driven by diverse carbon source	10
Application of organic silicon quaternary ammonium salt (QSA) to reduce carbon footprint of sewers: Long-term inhibition on sulfidogenesis and methanogenesis	10
Elucidating the complex hydrolysis and conversion network of xanthan-like extracellular heteropolysaccharides in waste activated sludge fermentation	10
Innovative solutions for valorization of desalination brine	10
Scattered and transmitted light as surrogates for activated carbon residual in advanced wastewater treatment processes: Investigating the influence of particle size	10
Characterization of EPS subfractions from a mixed culture predominated by partial-denitrification functional bacteria	9
A systematic decision-making framework for selecting nitrous oxide quantification methods in water utilities	9
Research stories along the urban water cycle	9
Unexpectedly high antibacterial ability of water in copper pot with tiny amount of plant leaves	9
Mobility data for reduced uncertainties in model-based WWTP design	9
Overlooked role of long capping time and environmental factors in the plateau lake for impairing lanthanum-modified-bentonite's immobilization to phosphate	9
The interplay of suspended sediment concentration, particle size and fluid velocity on the rapid deposition of suspended iron oxide particles in PVC drinking water pipes	9
Evaluation of sealants to mitigate the release of per- and polyfluoroalkyl substances (PFAS) from AFFF-impacted concrete: Characterization and forecasting	8

Long short-term memory models of water quality in inland water environments	8
Intelligent real-time pump scheduling in water distribution networks based on graph convolutional networks	8
Biodegradation kinetics of organic micropollutants in biofilters for advanced wastewater treatment – Impact of operational conditions and biomass origin on removal	8
Properties of iron-bound organic carbon and its implications for the conservation of coastal wetland vegetation	7
Heterogeneous microstructure induces floatation in high-rate anammox granules	7
Improving algal bloom modelling in eutrophic lakes by calibrating the General Lake Model with satellite remote sensing products	7
A heterotrophic nitrification-aerobic denitrification bacterium Acinetobacter sp. WZ-1: the superior stress resistance and the unconventional nitrogen metabolic pathways	7
Making waves: Generative artificial intelligence in water distribution networks: Opportunities and challenges	7
Novel ellipsoid-like granules exhibit enhanced anammox performance compared to sphere-like granules	7
Three years of wastewater surveillance for new psychoactive substances from 16 countries	7
Nitrite-dependent microbial utilization for simultaneous removal of sulfide and methane in sewers	7
Low temperature impact and HAP-enhanced one-stage partial nitritation/anammox process: Long-term stability, high-rate nitrogen removal, and operational strategies at 15°C	7
Efficient utilization of photoelectron-hole at semiconductor-microbe interface for pyridine degradation with assistance of external electric field	6
Mitigating risks and maximizing sustainability of treated wastewater reuse for irrigation	6
Successful year-round mainstream partial nitritation anammox: Assessment of effluent quality, performance and N2O emissions	6
A new Digital Harmony Search algorithm for optimizing Pump Scheduling in Water Distribution Networks	6
Why stories matter in water research: A case for narrative style paper writing	6
A novel integrated biorefinery for enhancing municipal wastewater treatment	6
Hydrolysis capacity of different sized granules in a full-scale aerobic granular sludge (AGS) reactor	6
Revealing critical pipes in water networks through integrated edge centrality and multi-criteria vulnerability analysis	6
Making waves: Why do we need ultra-permeable nanofiltration membranes for water treatment?	5
Sorghum-grown fungal biocatalysts for synthetic dye degradation	5
Making waves: Knowledge and data fusion in urban water modelling	5
A positive contribution to nitrogen removal by a novel NOB in a full-scale duck wastewater treatment system	5
Amyloid adhesin production in activated sludge is enhanced in lab-scale sequencing batch reactors: Feeding regime impacts microbial community and amyloid distribution	5
Uncovering the diverse hosts of tigecycline resistance gene tet(X4) in anaerobic digestion systems treating swine manure by epicPCR	5
UV LED wastewater disinfection: The future is upon us	5
Water Research X is expanding its article types	5
The role of calcium in anaerobic treatment: The good, the bad and the ugly	5
Irrigation systems as reservoirs of diverse and pathogenic Pseudomonas syringae strains endangering crop health	5
How useful are data-driven methods for building-level greywater treatment from a process engineering perspective?	5
Sewage sludge derived biochar for environmental improvement: Advances, challenges, and solutions	5
How does the sewer microbiome impact wastewater surveillance for antibiotic resistance?	5
Effectiveness of cyclic treatment of municipal wastewater by Tetradesmus obliquus – Loofah biofilm, its internal community changes and potential for resource utilization	5
Three-dimensional convolutional neural network for leak detection and localization in smart water distribution systems	5
Carbon footprint analysis of wastewater treatment processes coupled with sludge in situ reduction	5
Modeling the energy consumption of potable water reuse schemes	5
Biochar-Enhanced Anaerobic Digestion of Sewage Sludge: Comparative Performance and Mechanistic Insights	5
Towards stable and efficient nitrogen removal in wastewater treatment processes via an adaptive neural network based sliding mode controller	4
Rapid and selective quantitative colourimetric analysis of nitrite in water using a S-Nitrosothiol based method	4
Upgrading waste activated sludge into valuable biosolids via an integrated biochemical approach	4
Nitrogen excess induces cytokinesis arrest and alters lipid metabolism in the bloom-forming desmid Cosmarium tinctum	4
Aquaculture bacterial pathogen database: Pathogen monitoring and screening in coastal waters using environmental DNA	4
Effluent quality soft sensor for wastewater treatment plant with ensemble sparse learning-based online next generation reservoir computing	4
Microbial mixotrophic denitrification using iron(II) as an assisted electron donor	4
Underestimation of SARS-CoV-2 in wastewater due to single or double mutations in the N1 qPCR probe binding region	4
Efficient smartphone-based measurement of phosphorus in water	4
A high-performance approach with cellular automata framework and GPU parallelization for real-time waterflows and pollutant transport simulations of pluvial and fluvial floods	4
Laboratory performance assessment of low-cost water level sensor for field monitoring in the tropics	4
Single CSTR can be as effective as an SBR in selecting PHA-storing biomass from municipal wastewater-derived feedstock	4
Water demand forecasting in multiple district metered areas based on a multi-scale correction module neural network architecture	4
Compartment-specific effect of sulfamethoxazole at low μg/L concentrations on microbial nitrogen assimilation in a river system	4
Quadrupling the capacity of post aerobic digestion treating anaerobically digested sludge using a moving-bed biofilm (MBBR) configuration	4