OOIR: Observatory of International Research

Papers

(The TQCC of International Journal of Environmental Research 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 2021-09-01 to 2025-09-01.)

Article	Citations
Application for Reprocessing Cattle, Chicken, and Fish Bones in the Removal of Zn (II) and Cr (VI) from Wastewater Using Batch Adsorption System	474
Temperature-Dependent Speciation Analysis of Chromium Immobilized in Calcium Hydroxyapatite Matrix	61
Investigating Airborne Pollen Grains and Fungal Spores that Might be Related to Thunderstorm Asthma Attacks	47
Profiling Toxin Genes and Antibiotic Resistance in Escherichia coli Strains Isolated from Marine Beaches of Megacity Mumbai, India	39
Integrated Treatment of Textile Wastewater and Methyl Orange Azo Dye: Constructed Wetland-Based Remediation Enhanced by Bacterial Treatment	31
Quantifying Glacial Lake Changes Using Deep Learning Models in the Northwestern Himalayan Region from 1992 to 2020	31
Rhizofiltration of Caesium and Strontium Through the Use of Aquatic Plants Eichhornea crassipes (Mart.) Solms and Monochoria hastata (L.) Solms-Laub	28
Applying Natural and K-Enriched Zeolite Before Struvite Precipitation Improved the Recovery of NH4+ from Liquid Digestate and the Reagent Use Efficiency	28
Brassica juncea as a Feasible Hyperaccumulator of Chosen Potentially Toxic Metals Under Extreme Environmental Conditions	28
Soil Aggregates Mediate the Thermal Response of Soil Carbon Mineralization and Microbial Enzyme Activity	26
Impact of Urban Morphology on Outdoor Ventilation: A CFD Analysis of Idealized Building Configurations in Tehran, Iran	23
Characterization of Polystyrene-Degrading Bacteria Isolated From Plastic Processing Plants	21
Efficient and Eco-Friendly Sawdust Adsorbent for Methylene Blue Removal: Adsorption Optimization, Kinetics, and Isotherm Modelling	20
Characterization and Treatment Methods of Hazardous Compounds in Batik Wastewater: A Review	19
Measurement and Temporal and Spatial Evolution of Green Behavior of Chinese Enterprises	19
Comprehensive Assessment of Trophic Status and Chlorophyll-a Dynamics in the Jhelum River Basin: Implications for River Ecosystem Management	19
Faecal Sludge Treatment: Unveiling the Potential of the plant Panicum maximum	18
Flood Protection and Runoff Quantification Based on Two Free Global Digital Elevation Models: A Case of Wadi Qaws, Jeddah, Saudi Arabia	18
Assessment of Satellite-based Precipitation Products in Monthly, Seasonal, and Annual Time-Scale over Iran	17
Health Risk Assessment Related to As, Cd and Pb Due to the Consumption of Shrimp Species from Southeast Brazil	17
Studies on Autotrophic Components of Periphyton in Some Iranian Aquatic Ecosystems	16
Thermal Management of Solar Panels for Overall Efficiency Enhancement Using Different Cooling Techniques	15
Effects of Phosphate-rock Mining Wastewater Fertigation on Chickpea (Cicer arietinum) Cultivation and Soil Microbial Diversity	15
An IoT Based Water Quality Classification Framework for Aqua-Ponds Through Water and Environmental Variables Using CGTFN Model	15
Effects of Climate Change on the Production of Polysaccharides and Phycobiliproteins by Nostoc commune Vaucher ex Bornet et Flahault	15

Effects of Copper Doping on the Electrochemical Performance of Tin Oxide Synthesised by Facile Co-precipitation Root	14
Petroleum-Contaminated Soil Isolates: A Comparative Study of Naphthalene Biodegradation Kinetics and Metabolic Pathways	14
Mathematical Modelling for Predicting Wastewater Treatment Efficiency Through Specialised Electrocoagulation	14
Predictive Modeling and Analysis of Photocatalytic Degradation Performance of Biochar-ZnO Nanocomposites on Different Agrochemicals	14
In Situ Remediation and Stability Assessment of Solid Waste: Alkaline Amendments to Stabilize Acid-Generating High-Concentration Antimony (Sb) Tailings in Southwest China	14
An Overview of Characterisation, Utilisation, and Leachate Analysis of Clinical Waste Incineration Ash	13
The Ecotoxicity of Sugarcane Pesticides to Non-target Soil Organisms as a Function of Soil Properties and Moisture Conditions	13
Assessment of Potentially Toxic Elements Contamination in Water and Sediments from Vembanad Lake, Kerala, India: In Accounts with the Influence of its Major In Flow Rivers	12
Numerical Optimization of the Physico-chemical Process Used in the Treatment of Real Poultry Slaughterhouse Wastewater for Water Quality Improvement	11
Synergistic Effect of TiO₂ Nanorods Incorporated with Graphene Oxide for Photocatalytic Degradation of Multiple Dyes	11
The Impact of Air Pollution and Aeroallergens Levels on Upper Airway Acute Diseases at Urban Scale	11
Construction of TiO2/g-C3N5 S-Scheme Heterojunction for Enhanced Photocatalytic Degradation of Organic Pollutants: DFT Calculation and Mechanism Study	11
Insecticidal and Histological Effects of Extracts from Leaves of Juglans regia L. Against Sitophilus oryzae (Coleoptera: Curculionidae) Isolated from Soft Wheat in Post-harvest	11
Adsorption Activity of Spent Coffee Grounds Biochar for the Removal of Vivizole Red 3BS Dye from Aqueous Solution	10
Repurposing of Electric Vehicle Batteries for Second Life Stationary Applications in Residential Photovoltaic Systems: An Environmental and Economic Sustainability Assessment	10
Analysing Complete Street Design Principles Using Space Syntax Methodology in a Case of Haft-e-Tir Square, Tehran	10
Developing an Ensemble Machine Learning Approach for Enhancing Flood Damage Assessment	10
Potential Enhancement in Anaerobic Digestion Performance of High Salinity Organic Wastewater with Nickel-Loaded Biochar	10
A Sustainable Green Approach for Efficient Capture of Strontium from Simulated Radioactive Wastewater Using Modified Biochar	10
Per- and Poly-fluoroalkyl Substances Regulatory Frameworks, Sources, and Occurrence: Trend, Concern, and Implication	10
Applicability of Carbon Footprint as Indicator for Environmental Performance of Food Products	10
Recreational Disturbance of River Sediments During Base Flow Deteriorates Microbial Water Quality	9
Treatment of Winery Wastewater with PEG-600/PVDF Mixed Matrix Membranes Using Submerged Membrane Bioreactor and Process Optimization by Box–Behnken Design	9
Impact of Untreated and Wetland Treated Sewage Water Irrigation on Microbiology of Vegetables Grown in Summer and Winter Season	9
Treatment of 17α-Ethinylestradiol (EE2) in Water Using UV/H2O2 and Reverse Osmosis (RO) Membranes: Assessment of Estrogenic Activity and Membrane Adsorption	9
Effect of ZnO Nanoparticles During the Process of Phytoremediation of Soil Contaminated with As and Pb Cultivated with Sunflower (Helianthus annuus L.)	9
The Deployment Modeling of Low-Cost Sensors for Urban Particulate Matter Monitoring: A Case Study for PM2.5 Monitoring in Tehran City	9
Efficient Remediation of Cr(VI)-Contaminated Soil by Bismuth Sulfide Modified Euryale ferox Shell Biochar: Performance, Mechanistic Study, and Binding Energy Perspective	9
Energetic, Exergetic, Economic, Environmental, Exergoeconomic and Exergoenviroeconomic (6E) Assessment of Flat Plate Solar Water Heater Associated with Perforated Wavy Tapes as Thermal Enhancer	9
Use of Helix aspersa and Pinus nigra as Bioindicators to Study Temporal Air Pollution in Northern Lebanon	9
An Evolutionary Computing Approach For Simultaneous Daylight Optimization in Urban Environments and Buildings Interiors	9
Phytoextraction Potential of Chrysanthemum and Cumbu Napier Hybrid Grass to Remediate Chromium-Contaminated Soils Using Bioamendments	9
Production, Optimization and Characterization of Serratia nematodiphila MB307 to Synthesize Polyhydroxybutyrate Using Wastewater in Submerged Fermentation	9
Assessment of Urban Heat Mitigation Strategies to Improve Outdoor Thermal Comfort Regarding Carbon Dioxide Concentration in Tehran Metropolis	9
Synthesis and Characterization of Nano-CoFe2O4 Ferrite: Application to the Adsorption of AG25 Dye in Aqueous Solution	9
Production of Waste Tomato Stem Hydrochar (TS-HC) in Subcritical Water Medium and Application in Real Textile Wastewater using Photocatalytic Treatment System	9
Effectiveness of Direct Sulfonated Polysulfone in Dual Chamber Microbial Fuel Cells Based Dewatered Sludge for Power Generation	9
Recycling Pollutants and Used Oils as Substrates for Producing Useful Lipids in the form of Single-Cell Oil by the Aerobic Yeast Yarrowia lipolytica	8
Determining the Most Sensitive Indicators of Soil Carbon Transformation to the Land-Use Change from Intact Rangeland to Cropland, Western Iran	8
A Review of Effective Nanoadsorbents Made of Carbonaceous, Metal Oxides, and Polymer Nanocomposite Materials for Adsorption of Pharmaceutical Contaminants in Wastewater	8
Box-Behnken Response Surface Design for Modeling and Optimization of Electrocoagulation for Treating Real Textile wastewater	8
Seasonal Distribution, Characterization, Indexing and Risk Assessment of Micro- and Nanoplastics in Coastal Sediments: a Case Study from Istanbul	8
Performance of CaO2-Based Processes for the Decolorization of a Reactive Textile Dye	8
Iron-Based Materials Synthesized by Mechanical Ball Milling for Environmental Contaminants Removal: Progress and Prospects	8
Measuring the Multi-Level Resilience Based on Social Heterogeneity Faced with Drought in Rangeland Users	8
Spread of Multidrug-Resistant Bacteria and Antibiotic Resistance Genes in a Swine Wastewater Treatment Plant	8
Ecological Effect Assessment and Reclamation Pattern of Surface Mining: Based on the Perspective of Ecosystem Services	8
Clarification of Swine Wastewater Using Natural Coagulant	8
Indigenous PGPB Inoculant from Qinghai-Tibetan Plateau Soil Confer Drought-Stress Tolerance to Local Grass Poa annua	8
A Spatiotemporal Study on Glacial Lake Dynamics and Its Response to Changing Climate in the Eastern District of Himachal Pradesh	8

Adsorptive Removal of Pb (II) by Using Graphene Oxide-Impregnated Calcium Alginate Hydrogel Beads	8
Hexavalent Chromium Detoxification by Biochars: Influences of Organic and Inorganic Electron Donors	8
A Highly Sensitive Fluorescent Probe Based on Organically Functionalized graphene Oxide-Silica for the Determination of Hg2+ in aqueous Medium	7
Biopesticide (Azadirachtin) as a Sustainable Alternative to Conventional Pesticides (Chlorpyrifos and λ-Cyhalothrin) for Mosquito Control in the Dengue Vector, Aedes aegypti: Insights from Physiologic	7
Global Warming Status in the African Continent: Sources, Challenges, Policies, and Future Direction	7
Overview of Air Pollution in Typical Basin of China Under the Target of Carbon Neutrality	7
Collaboration in Decarbonisation Research: Comparing the UK and European Funding Landscape	7
Association Between Mixed Metal Exposures and Female Infertility: A Large Cross-sectional Study	7
Low-Level Arsenic Removal from Drinking and Wastewater Using La@MOF-808 in Lahore, Pakistan	7
Forecasting Effluent Biochemical Oxygen Demand in Sewage Treatment Plants Using Machine Learning and User-Friendly Interface	7
Bioprospecting and Repurposing of Leaf Biomass to Support Sustainable Biopharmacy: Evaluation of Seasonal Chemical Variations and Biological Activities of Six Eucalyptus Essential Oils	7
Degradation of Municipal Solid Waste Landfill Leachate Using Ferrites from Spent Batteries as Heterogeneous Solar Photo-Fenton Catalyst	7
Spatiotemporal Variation of Ecosystem Services Value and its Response to Land Use Change in the Yangtze River Basin, China	7
Air Conditioning of an Off-Grid Remote School with an Earth to air Heat Exchanger Coupled Indirectly to a Solar Cooling System	7
Detection of Atmospheric Microplastics Accumulated in Xanthoria parietina: A Lichen Biomonitoring Study on the Asian Side of Istanbul	7
Modeling of Industrial Strategy Based on Sustainable Development Approaches	7
Evaluation of Potentially Toxic Elements Contamination in Dust of Sistan Region, Iran: Spatial Distribution, Source Identification, and Health Risk Assessment	7
Synthesis, Characterization and Application of Ferrous Iron-Embedded Schwertmannite for Cr(VI) Reduction–Adsorption from Aqueous Solutions	7
Micro- and Nanoplastics in Environment: Degradation, Detection, and Ecological Impact	6
An Integrated Biorefinery of Wood Apple Kernel for Bio-Oil and Bio-Diesel Production: Optimization of Engine Attributes Using Taguchi, RSM, and CRITIC-COCOSO Hybrid Techniques	6
Catalytic Pyrolysis of Pistachio Shell for the Production of Different Biosorbents for Adsorption of Various Contaminants from the Contaminated Water	6
Biological Pretreatment of Rice Straw Using Pleurotus ostreatus: Effects on Degradation Kinetics and Physicochemical Characteristics	6
Correction to: Characterization and Efficiency Evaluation of Cold Active Bacterial Isolates for Treatment of Sanitary Landfill Leachate	6
Carbon Emissions of Railways: An Overview	6
Study of Hydrogeochemical Properties of Surface Water (Case Study: Comparison of Two Adjacent Catchments, Cheshmeh Kileh and Shiroud, Northern Iran)	6
Diversity and Abundance of Antimicrobial Resistance Determinants in Culturable Bacteria of Glacier Mice and Proglacial Lake Ecosystems at Austerdalsbreen, Norway	6
Chinese Rural Landscapes at Multiple Scales: Typologies and Diversity	6
Linking Future Hydroclimatological Changes with Past Climatic Conditions in Southeastern Iran: Insights from Models and Observations	6
Energy and Carbon Footprints for the Urban Water Cycle in Amman, Jordan	6
Comparative Study of Algae and Cactus as Bioflocculants in the Physico-chemical Treatment of Leachate from the Controlled Landfill	6
The Sorption of Lead and Cadmium by Hydroxyapatite-Biochar Nanocomposite from Aqueous Solution	6
Legacy Polyfluoroalkyl Substances (PFAS) Contamination in Ravi and Sutlej Rivers, Punjab, Pakistan: Assessing Ecological and Human Health Risks	6
Modification of Nanofiltration Membranes by Cationic Surfactant as a Promising Strategy for Treatment of Pharmaceutical Wastewater	6
Impact of Microplastic Ingestion on Commercial Fish: A Trophic-Level Analysis	6
Investigation and Prioritization of Strategies for Achieving Integrated Flood Management (Case Study: Jajroud Watershed)	6
Potential of Fish Scale Biochar Nanocomposite with ZnO for Effective Sequestration of Cr (VI) from Water: Modeling and Kinetics	6
Kinetics and Optimization of Azo Dye Decolorisation Using Green Synthesized Iron-Oxide Nanoparticles: A Pilot Scale Study	6
Process Kinetic Evaluation of Hybrid Upflow Anaerobic Sludge blanket Reactor Using Seashell as an Attached Media	6
Benzenesulfonamide-Functionalized Electrospun Polysulfone as an Antibacterial Support Layer of Thin-Film Composite Pressure-Retarded Osmosis Membrane: Fabrication and Performance Evaluation	5
Correction: Mathematical Modelling for Predicting Wastewater Treatment Efficiency Through Specialised Electrocoagulation	5
Quantification of heavy metals and mercury-resistant bacteria in artisanal and small-scale gold mining sites, Maniema region, Democratic Republic of the Congo	5
Non-carcinogenic risk assessment of Cr and Pb in vegetables grown in the industrial area in the southwest of Iran using Monte Carlo Simulation approach	5
Impact of Silicon and Heavy Metals on Hemp (Cannabis sativa L.) Bast Fibres Properties: An Industrial and Agricultural Perspective	5
Theoretical Boundaries of Annual Flood Risk for Single-Family Homes Within the 100-Year Floodplain	5
Treatment of Reactive Dye Hydrolysates with UV-C- and Ozone-Activated Percarbonate and Persulfate	5
Optimization of Silica Extraction from Rice Husk Using Response Surface Methodology and Adsorption of Safranin Dye	5
Study on the Relationship Between Street Organization and Spatial Distribution of Tourism-Related Elements in Central Urban Areas in Chengdu, China	5
Alumina Sludge From Water Treatment Plants for Removing Methylene Blue Dye From Water: a Circular Economy Approach	5
Woody Biomass-Derived Biochar Decorated with Vanadium Oxide as a Potential Adsorbent for CO2 Capture	5
Optimizing the Allocation of CO2 Emission Rights in the Yangtze River Delta City Agglomeration Region of China Based on Equity, Efficiency and Sustainability	5
Dynamic Analysis and Regional Exploration of Land Use Change: A Case Study of Guangxi Zhuang Autonomous Region	5
The Solidification and Stabilization of Pb in Soil Using Apatite-Modified Biochar	5
Composting Process Monitoring and Maturity Prediction by Spectroscopic Measurement and PLS Modelling	5
Optimizing Methyl Orange Dye Removal from Aqueous Solutions Using White Chrysanthemum Floral Waste-Derived Bioadsorbent: A Study of Kinetics, Thermodynamics, Isotherms, and RSM Optimization	5
Analysis of the Gridded Influencing Factors of the PM2.5 Concentration in Sichuan Province Based on a Stacked Machine Learning Model	5
Plastic Waste: Challenges and Opportunities to Mitigate Pollution and Effective Management	5
Flood Risks Vulnerability Assessment in Abeokuta, Ogun State, Nigeria, Using an Index Based Approach	5
The Influence of Oil Pollutants on the Mechanical Properties of Clayey Sand	5
Temporal Characterization, Carcinogenic Risk Assessment and Meteorological Effects of Ambient Polycyclic Aromatic Hydrocarbons in Jinan City	5
Occurrence of Some Heavy Metals in Drinking Water, Vegetables, and Urine in Rawalpindi and Islamabad, Pakistan—Human Health Risk Assessment	5
Trends in the Usage of Fenobucarb, the Commonly Used Carbamate Insecticide in Japan, in Relation to River Water Concentration and Risk Assessment	5
Presence and Environmental Risk Assessment of Fluoxetine and Serotonin Hormone in the Istanbul Strait, Türkiye	5
Bacterial Communities, Pathogens, Resistomes, and Mobilomes Associated with a Wastewater Treatment Plant in Mexico: A Metagenomics Approach	5