OOIR: Observatory of International Research

Papers

(The TQCC of Environmental Engineering Research is 6. 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 2021-12-01 to 2025-12-01.)

Article	Citations
Estimating the effect of wastewater treatment facility’s operating failure due to disaster on river’s water quality	90
A comparative study of coal fly and bottom ashes as sustainable electroactive vibration damping materials	79
Evaluation of the adsorption characteristics of dissolved organic matter using granular activated carbon (GAC) and the regeneration efficiency of denitrification, Electro-Fenton, and Sono-Fenton oxida	56
Utilization of methane from municipal solid waste landfills	39
Multifunctional role and potential of vermiculite as a natural two-dimensional nanomaterial in a variety of advanced applications	35
Preparation and application of polymeric silicate coagulant: a short review	35
Predicting PAHs removal from contaminated soil via subcritical water extraction using support vector regression	23
Chemical extraction and quantification of extracellular polymeric substances in unspiked-metaldehyde and spiked-metaldehyde of rubber aerobic granular sludge and molasses aerobic granular sludge	22
Development of methylene blue imprinted silica for detecting arsenic ions in aqueous solution	21
Hybrid Capacitive Deionization with Ag-coated Activated Carbon Electrodes for Nickel Treatment	20
Preparation of novel Ce (IV)-based MOF/GO composite and its highly effective phosphate removal from aqueous solution	18
Alarming decline in surface water quality: An assessment of ecological indicators in the Palar River, India	18
Enhancing the adsorption function of F- by iron and zirconium doped zeolite: Characterization and parameter optimization	18
Reacting flow field simulation of Hg<sup>0</sup> oxidation in flue gas by ozone injection	17
Effect of surface charge density on electret filters charge degradation by organic solvent exposure	16
Development of reusable and long-term storable bacteria attached nanofiber mats for highly efficient removal of Cr(VI) and reactive dye from wastewater	16
Air Quality Index through Inverse Evaluation of Hazard Quotient for Public Indoor Facilities - schools, child daycare centers and elderly nursing homes	16
Combining montmorillonite mineral and SnO<sub>2</sub>/TiO<sub>2</sub> photocatalysts for high-performance and cost-effective nitrogen oxide decomposition	15
Forward osmosis: Principles, applications, challenges and recent developments on the membrane modified by graphene oxide and carbon nanotubes	15
High-performance graphene oxide/PVDF hollow fiber ultrafiltration membranes for pre-treatment of petrochemical wastewater: A pilot study	14
Preliminary study of doxycycline adsorption from aqueous solution on alkaline modified biochar derived from banana peel	14
Study on Treatment of Basic Yellow 28 dye Wastewater by Micro-nano Bubble Ozone Catalytic Oxidation	14
Adsorption behaviors of modified clays prepared with structurally different surfactants for anionic dyes removal	14
The effect of aeration mode on the operational effectiveness and membrane bioreactors for greywater treatment and membrane fouling	13
Facile and economic Fe-modification of rice straw biochar for efficient removal of Cr(VI): Mechanistic insights and application in real wastewater	13

Purifying surface waters contaminated with natural organic matters and bacteria using Ag/PDA-coated PES membranes	13
Correlation between carbonaceous materials and fine particulate matters in urban school classrooms	13
Understanding the impacts of oxidant doses and dissolved organic carbon concentration on ozone and hydroxyl radical exposures in the peroxone process	13
Impact Examination of the Lockdown on the Status of the Heavy Metal Pollution Index and Health Risk of Ganga River Water Quality	13
Fatty acid composition and nutritional analysis of waste crude fish oil obtained by optimized milder extraction methods	13
Effect of activated persulfate on the properties of contaminated soil and degradation behavior of PAHs	12
Arsenic adsorption from aqueous solution and groundwater using monometallic (Fe) and bimetallic (Fe/Mn) Tectona biochar synthesized from plant refuse: mechanism, isotherm, and kinetic study	12
Studying the effect of Anzali port breakwaters on sedimentation in Anzali wetland using remote sensing	12
Correlation between water quality parameters and microbial populations at full-scale enhanced phosphorus removal wastewater treatment plants in South Korea	12
Tetracycline removal using flower-like Fe3O4/UiO-66/ZnO composite: Adsorption and white LED photocatalysis performances	11
Fabrication of nitrogen-doped MXene composite electrode for efficient removal of sulfadiazine in homogeneous electro-Fenton system	11
The changes of fouling propensity in A2O-MBR process during the application of volatile fatty acids from food waste as an external carbon source	11
Influence of temperature on kinetics and hydraulic retention time in discontinuous and continuous anaerobic systems	11
Highly efficient removal of ionic dyes in aqueous solutions using magnetic 3D reduced graphene oxide aerogel supported nano zero-valent iron	11
Feasibility study for weathered tufa stabilization using urease-producing bacteria isolated from Jiuzhaigou, Sichuan Province, China	11
A review on bio-crude production from algal biomass using catalytic hydrothermal liquefaction process	10
Separation and purification technologies in polyhydroxyalkanoate (PHA) manufacturing: A review	10
Recent advances in biological nitrogen removal through anammox process - bibliometric analysis and integrated technologies	10
Effect of phosphate on peroxymonosulfate activation: Kinetics, mechanism and implication to in-situ chemical oxidation for water decontamination	10
Phenol degradation on electrochemically self-doped TiO2 nanotubes via indirect oxidation	10
Effect of microplastics on soil microbial community and microbial degradation of microplastics in soil: A review	10
Mercury emission and fate characteristics in various combustion sources	10
Marine plankton species classification and microbial activity analysis using deep learning	10
Investigation of the aerosol's optical properties over the dust prevalent semi-arid region at Jaipur, northwestern India	10
Deep learning-based prediction of exceeding the criteria for river chlorophyll a concentrations using high-frequency data from a sensor network	10
Role of triethanolamine in chloride ion immobilization in preparing the flue gas desulfurization (FGD) gypsum-based plaster	9
Pre-coagulated landfill leachate treatment by Electro-oxidation using MMO/Ti, Pt/Ti, and graphite anodes	9
A critical review on CO<sub>2</sub> sequestration using construction and demolition waste: Future scope and perspective	9
A review of emerged constructed wetlands based on biochar filler: Wastewater purification and carbon sequestration/greenhouse gas reduction	9
Swelling behavior observation of gel resin in heavy metal adsorption process: gel resin containing sodium carboxylate	9
Screening of bio-derived surfactants for soil washing of PAHs: effects of substrate sources and trace metals distribution	9
Bimetallic Ni, Fe-doping Prussian blue analog/carbon nanotube composite with 3D network architecture for efficient capacitive deionization	9
Adsorption Cd(Ⅱ) metal ions from aqueous solution using an economical and feasible zeolite from coal gangue: Adsorption performance, mechanism and economic assessment	9
Numerical simulations of turbulent and flow characteristics of complex river reach in Pakistan	8
Trends in Bioremediation of Heavy Metal Contaminations	8
Development of a self-flocculating Zymomonas mobilis biocatalyst for efficient bioethanol production from lignocellulosic biomass	8
Synthesis of alginate-based antibacterial and antioxidant food packaging films	8
Effect of solvent and calcination process on physicochemical features of silica nanocapsule for CO2 capture	8
Insights into bicarbonate enhanced heterogeneous Fenton catalyzed by Co/Cu/zeolite for degradation of rhodamine B	8
Piezo-activation of peroxydisulfate by BaTiO3 for metronidazole removal in water	8
Comparison of molecular characteristics between commercialized and regional natural organic matters	8
Wastewater treatment and resource recovery by loose nanofiltration membrane: A critical review	8
Enhanced membrane fouling control in a hybrid membrane bioreactor with coarse and fine pore sponge pre-filters	8
Analysis of influencing parameters and reactive substance for enrofloxacin degradation in a dielectric barrier discharge plasma/peroxydisulfate system	8
Bioelectrochemical performance of microbial fuel cell powered electro-Fenton system (MFCⓅEFs) with composite PANI-Mn/CF anode	8
Metal organic framework (MOF): Synthesis and fabrication for the application of electrochemical sensing	7
Biotoxicity evaluation and electrooxidation as a sustainable removal strategy of organic booster biocides released from ship antifouling paints	7
Sustainable acid mine drainage treatment: A comprehensive review of passive, combined, and emerging technologies	7
Multisite algal bloom predictions in a lake using graph attention networks	7
Greener synthesis of novel nanocomposite material for efficient and selective trace detection of Pb<sup>2+</sup>: Insights of stability and real implications of fabricated electrode	7

Experimental Evaluation of Water Supply Pipe Joints against Seismic Ground Deformation: A Four-point Bending Test	7
Which fossil energy source has the highest average contribution rate to US carbon emissions based on a machine learning algorithm?	7
Recovery of TiO<sub>2</sub> from spent SCR catalyst by acidolysis and additional crystal seeds-hydrolysis method	7
Spatiotemporal patterns of midlatitude environmental impact variability and associated tropical thermal forcing	7
Single-pass capacitive deionization with a HNO3-modified electrode for fluoride removal	7
Variation in organic matter characteristics and mitigation of ultrafiltration membrane fouling by chlorine and UV/chlorine pre-oxidation in secondary effluent treatment	7
Adsorption of phosphate by Mg/Fe-doped wheat straw biochars optimized using response surface methodology: Mechanisms and application in domestic sewage	7
Formulated absorbent for fine desulfurization and carbon capture of blast furnace gas based on alcohol amine solution	6
Evaluation of combined efficiency of conventional coagulation-flocculation process with advanced oxidation process (sulfate-hydroxyl radical) in leachate treatment	6
Study on the mechanisms and performance of Cr(VI) reduction and transformation in soil by formic acid and Fe(III)/Fe(II) co-modified straw biochar	6
Carbon emission prediction and reduction analysis of wastewater treatment plants based on hybrid machine learning models	6
Imprints of seawater intrusion on groundwater quality of coastal region of Pudukkottai district, India: An integrated approach	6
Comparative life cycle GHG emissions of single-use plastic cups and reusable cups for beverages	6
Activated carbon/g-C3N4 /H2O2 system with enhanced photocatalytic activity for Rhodamine-B degradation under the visible light	6
Preparation and application of superhydrophobic membranes in membrane distillation for treating saline dental wastewater	6
Evaluation of energy saving and emission reduction effect of distributed energy system	6
Material Flow Analysis of End-of-Life Vehicles in South Korea	6
Influence of the rainfall and temperature oscillation on air quality in Kathmandu valley: The wavelet analysis	6
Prevalence of microplastics, antibiotic resistant genes and microplastic associated biofilms in estuary - A review	6
High content phosphogypsum-based curbs: Mechanical properties, freeze-thaw resistance, carbon reduction and creative theory application	6
Two kinds of behavior of fruit peel coagulant in treating low carbon source wastewaters	6
Oxalate-enhanced degradation of ranitidine in the TiO2/H2O2 system under dark conditions	6
A comprehensive review of carbon dioxide sequestration: Exploring diverse methods for effective post combustion CO2 capture, transport, and storage	6
Toxic effects of benzene on aquatic organisms with different trophic levels in simulated accidental spills using indoor artificial streams	6