OOIR: Observatory of International Research

Papers

(The H4-Index of Water Air and Soil Pollution is 43. 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 2022-08-01 to 2026-08-01.)

Article	Citations
Record of Pre-neutralized H2SO4 Implied in the Results of Four-Stage and Five-Stage Paralleled Filter Pack Observations on the Western Edge of Japan	574
Combined Effects of Biochar-Sedum plumbizincicola on Cadmium Concentration in Cd-Contaminated Limestone Soil and Cadmium Absorption in Lactuca sativa	410
Modified Cellulose Derived from Corncob for Removal of Cu2+ and Ni2+ from Aqueous Solution	190
Metaldehyde Transport Processes in a Water Abstraction Catchment in Essex, Southeast England	175
Dewatering of High Organic Sludge by Biochemical Conditioning Combined with Vertical Filter Press: a Case Analysis	170
An Investigation on the Importance of Initial Loading in the Removal of Nutrients from Liquid Digestate Through Sorption and Nutrient Recovery from the Solid Phase To Be Used as Fertilizer	143
Seasonal and Spatial Variations in the Presence of Giardia and Cryptosporidium in Rural Drinking Water Supply Systems in Different Municipalities of Antioquia, Colombia	100
Integrated Evaluation of Potential Trace Elements and Pollution Indices in Wadi El-Natrun Saline Lake, Egypt: A Multidimensional Approach to Aquatic Ecosystem Health	92
A Comparative Study: Evaluation of Wastewater Suspensions Flocculation Performance Using Laboratory Graduated Cylinder and Jar Test Methods	86
Composites of Alkaline Minerals and Biochar—a Savior for Acidic Soils	74
Alkaline-Pretreated Banana Peel Fermentation Hydrolysate as a Novel Carbon Source for Enhanced Denitrification: Performance, Optimization, and Microbial Community Dynamics	73
Functional Trait Analysis and the Multi-metric Integrity Model, Based on Stream Fish Indicators, and Their Relations to Chemical Water Quality	71
Catalyzing the Hydrogenation of Nitro Group to Amino Group using Greenly Synthesized Fe3O4 Nanoparticles for Water Purification	70
Effects of Salinity and Cadmium Interactions on Cadmium Accumulation in Rice Grains and Associated Human Health Risk	67
Synthesis and Characterization of WO3/CAU-17 Composite and its Photocatalytic Activity Evaluation in the Degradation of a Fluoroquinolone Mixture	65
Durable Catalytic Ozonation of Benzotriazole by CuCe Doped Ceramsite: Performance and Mechanism	63
ZnO Nanoparticles Modified by Magnetic Carboxymethyl Starch for Effective Photocatalysis of Organic Dye Degradation	62
A Potential Inhalation Risk to Daily Commuter: Mobile Monitoring of Black Carbon during Journey in Traffic Emissions	62
Surface Dust Contamination in Small Urban Parks: The Role of Spatial and Physicochemical Drivers in Toxic Elements Accumulation	61
Comprehensive Risk Assessment of Heavy Metals in Topsoil and Their Risks to Human Health and Ecosystem in Zanjan Mineral Province, Western Iran	60
Treatment of Dyes Wastewater by the Catalytic Wet Persulfate Oxidation Process in Reactors Using Red Mud Combined with Biochar as Catalyst	60
Assessment of Groundwater Quality Using Statistical and Hydro-Chemical Approaches: A Case Study of Mahoba District, India	59
Removal of COD and Color from Textile Wastewater by the Fenton and UV/H2O2 Oxidation Processes and Optimization	58
Cyanotoxin Monitoring and Detection Using Passive Sampling Application	58
Pretreatments Behavior of Municipal Solid Waste Incineration Fly Ash Using Different Alkaline Reagents	56

Efficient and Low-Cost Surfactant-Assisted Solid Phase Extraction Procedure For Removal Of Methylene Blue Using Natural Dolomite	54
Methanogenesis Suppression During Pharmaceutical Wastewater Treatment in Ceramic Separator Microbial Fuel Cell	53
Ultra-Efficient Removal of Mercury from Contaminated Water using Selected Phenylimidazole Derivatives	52
Nitrogen-Riched Functional Cellulose Enhanced the Removal of Pb(II) from Water	51
Microbiodiversity Landscape Present in the Mine-Tailings of the “Sierra de Huautla” Biosphere Reserve, Mexico	50
Trace Metal Levels in Sediments and Muscle of Edible Fish Species from the Kasai River, Democratic Republic of the Congo	49
Decomposition of Litterfall and Evaluation of Uranium Release and Secondary Contamination from Uranium Tailings Ponds	48
An Integrated TCN-FECAM-Informer Architecture Combining Feature Importance Analysis and Signal Decomposition for Urban Air Quality Forecasting	48
Synthesis, Characterisation and Photocatalytic Properties of ZnO/Carbonaceous Gelatin-Based Aerogel Material for Dyes Degradation in Water	48
Wastewater and Solid Waste Environmental Degradation Cost in Mohammedia City	48
Elutriates and Leachates of Soil Microcosms Contaminated With 2,4-D, Fipronil, and Their Mixtures Affect the Life‑history Traits of Ceriodaphnia Silvestrii (Crustacea: Cladocera)	47
Investigation of the Effects of Heavy Metal Pollution on Tetracycline Adsorption Behavior and Its Mechanisms in Riparian Zone Soils	46
A Sustainable Holistic Approach of Hydroponic Farming for Reclaiming, and Rehabilitating Wastewater: A Review	46
A Novel Fe3O4@C/RM Composite Fabricated from Red Mud and Scrap Tire-Derived Carbon Black: Heterogeneous Activation of Peroxymonosulfate for Oxidative Degradation of Orange II	46
Meteorological Impact on Dynamic Air Pollutant Concentrations in Different Timescales: Typical Case in Chengdu Megacity, China	46
Optimizing Hybrid Electrocoagulation-Electrooxidation Process Using Machine Learning Techniques to Predict COD Removal Efficiency from Wastewater	45
Predictive Mapping of Soil Salinity and Alkalinity in Complex Pedogenic Environments Utilizing Machine Learning Models	44
Occurrence, Fractionation, and Human Health Risk Assessment of Potentially Toxic Metals in Urban Soils of Different Land use Types	43
Investigation of External Mass Transfer during Biodegradation of Congo Red Dye in a Recirculating Packed Bed Bioreactor	43
Environmental Monitoring for Genomic Damage After an Environmental Accident in a River in the Brazilian Northeast	43