Environmental Engineering

Advanced Membrane Technologies for Water Desalination

Research focuses on developing novel membrane materials and configurations including graphene oxide, aquaporin-based, and polymeric membranes to enhance salt rejection efficiency and reduce energy consumption in desalination processes.

RESEARCH GAP FRONTIERS

Microplastic Remediation in Aquatic Ecosystems

Investigation of innovative technologies including electrochemical coagulation, photocatalytic degradation, and biological enzyme-based approaches to remove and neutralize microplastics from marine and freshwater environments.

RESEARCH GAP FRONTIERS

Real-Time Air Quality Monitoring Networks

Development of distributed sensor networks and IoT-based systems integrated with machine learning algorithms for continuous atmospheric pollution tracking and predictive modeling at urban scales.

RESEARCH GAP FRONTIERS

Biochar-Enhanced Soil Carbon Sequestration

Research examines optimal biochar production methods, soil amendment strategies, and long-term stability mechanisms to maximize carbon storage in agricultural and degraded soils for climate mitigation.

RESEARCH GAP FRONTIERS

PFOA and PFOS Contamination Remediation Technologies

Advanced treatment methods including granular activated carbon, ion-exchange resins, and emerging destruction technologies targeting persistent perfluorinated compounds in groundwater and industrial effluents.

RESEARCH GAP FRONTIERS

Engineered Wetlands for Nutrient Recovery

Design and optimization of constructed wetland systems with selective plant species and substrate materials to simultaneously treat wastewater while recovering valuable nitrogen and phosphorus nutrients.

RESEARCH GAP FRONTIERS

Zero-Liquid Discharge Industrial Systems

Development of integrated treatment trains combining membrane filtration, evaporation, crystallization, and thermal processes to achieve complete water recycling and elimination of industrial liquid waste.

RESEARCH GAP FRONTIERS

Remediation of Legacy Landfill Leachate

Novel approaches using oxidation processes, biological degradation enhancement, and membrane technologies to treat aged leachate containing refractory organic compounds and heavy metals.

RESEARCH GAP FRONTIERS

Atmospheric Carbon Capture and Utilization

Research in direct air capture technologies using sorbent materials, solvents, and contactors combined with downstream conversion to chemicals, fuels, or building materials.

Urban Heat Island Mitigation Strategies

Investigation of reflective pavements, green infrastructure, cool roofing materials, and urban planning interventions to reduce ambient temperatures and mitigate climate impacts in cities.

Pharmaceutical Residue Removal from Wastewater

Development of advanced oxidation processes, enzymatic treatments, and bio-based adsorbents to eliminate trace pharmaceutical compounds and endocrine disruptors from municipal wastewater streams.

Electrochemical Wastewater Treatment Processes

Optimization of electrooxidation, electroreduction, and electrocoagulation technologies using innovative electrode materials to treat industrial effluents containing recalcitrant pollutants.

Soil Vapor Extraction System Design

Engineering and optimization of SVE systems with enhanced mass transfer mechanisms, innovative well configurations, and off-gas treatment for volatile organic compound contamination in vadose zones.

Sustainable Desulfurization Technologies

Development of biological and chemical processes to remove hydrogen sulfide and sulfur compounds from biogas, landfill gas, and industrial exhaust streams.

Permafrost Thaw and Carbon Release Dynamics

Research quantifying greenhouse gas emissions from thawing permafrost, mechanisms of carbon mobilization, and mitigation strategies for climate-critical high-latitude ecosystems.

Algae-Based Bioremediation and Bioproducts

Cultivation and application of engineered algal strains for nutrient removal from wastewater coupled with simultaneous production of biofuels, proteins, and high-value biochemicals.

Nanomaterials in Environmental Remediation

Investigation of metal oxides, carbon nanotubes, and engineered nanoparticles for catalytic degradation, adsorption, and immobilization of contaminants with minimal secondary waste generation.

Advanced Oxidation Processes Integration

Hybrid systems combining UV, ozone, hydrogen peroxide, and photocatalysis for complete mineralization of refractory organic pollutants in water and aqueous waste streams.

Anaerobic Digestion Process Optimization

Enhancement of biogas yield and methane content through reactor design modifications, feedstock optimization, and microbial community management in wastewater treatment facilities.

Constructed Treatment Wetlands for Stormwater

Design of bioswales, rain gardens, and treatment trains to manage urban runoff, reduce pollutant loads, and enhance groundwater recharge while creating ecological habitat.

Emerging Contaminant Monitoring and Treatment

Development of analytical methods and treatment technologies for novel pollutants including per- and polyfluoroalkyl substances, microplastics, and engineered nanomaterials.

Riverine Ecosystem Restoration Engineering

Comprehensive approaches to restore aquatic habitats through flow regime modification, habitat structures, riparian revegetation, and removal of anthropogenic barriers.

Biosolids Beneficial Use and Stabilization

Research on thermal hydrolysis, advanced alkaline stabilization, and composting methods to ensure pathogen reduction and enable safe land application of wastewater treatment residues.

Contaminant Transport in Fractured Rock

Hydrogeological modeling and experimental studies of preferential pollutant flow pathways through fracture networks to improve remediation strategies in hard rock environments.

Fenton and Photo-Fenton Reaction Optimization

Enhancement of iron-catalyzed hydroxyl radical generation through UV irradiation, novel iron complexes, and reactor configurations for efficient oxidative treatment of recalcitrant wastes.

Landfill Gas-to-Energy Systems

Development of gas collection infrastructure, purification processes, and conversion technologies to generate electricity and heat while reducing methane emissions from solid waste disposal sites.

Environmental DNA Monitoring in Biotreatment

Application of metagenomics and genetic profiling techniques to characterize microbial communities and optimize biological treatment processes in bioreactors and natural systems.

Biomimetic Water Filtration Membranes

Development of bio-inspired membrane structures mimicking cellular channels and biological filtration to achieve selective separation with reduced energy requirements and minimal fouling.

Atmospheric Mercury Deposition and Bioaccumulation

Research on mercury speciation, atmospheric transport mechanisms, methylation processes, and food web bioaccumulation to inform emission reduction strategies.

Moving Bed Biofilm Reactor Technology

Optimization of suspended carrier media, biofilm development kinetics, and process control strategies to enhance nutrient removal and treatment efficiency in compact wastewater systems.

Coastal Saltwater Intrusion Mitigation

Engineering solutions including freshwater barriers, managed aquifer recharge, and seawater extraction to protect coastal groundwater resources from saline contamination.

Polymer-Based Water Disinfection Systems

Development of antimicrobial polymers, photocatalytic coatings, and reactive polymer membranes for direct inactivation of pathogens without chemical byproduct formation.

Sediment Remediation and Capping Technologies

In-situ and ex-situ treatment of contaminated aquatic sediments using capping materials, chemical stabilization, and biological treatment to prevent contaminant remobilization.

Indoor Air Quality and Volatile Organic Compounds

Investigation of VOC sources, ventilation optimization, and advanced filtration technologies including activated carbon and photocatalytic devices for improved indoor environments.

Nutrient Removal from Agricultural Runoff

Design of vegetated buffers, retention ponds, and chemical amendments to intercept nitrogen and phosphorus from farm operations before reaching surface waters.

Sequencing Batch Reactor Process Control

Advancement of SBR operational strategies, sensor integration, and automation systems to achieve simultaneous removal of carbon, nitrogen, and phosphorus in flexible treatment systems.

Biosorption of Heavy Metal Ions

Characterization and optimization of biomass materials including algae, fungi, and agricultural wastes for efficient uptake and recovery of valuable heavy metal contaminants.

Membrane Bioreactor Fouling Prevention

Research on fouling mechanisms, optimized operational parameters, chemical cleaning strategies, and novel membrane materials to extend MBR lifespan and reduce maintenance costs.

Renewable Energy Integration in Water Treatment

Development of solar-powered, wind-powered, and hydrokinetic treatment systems enabling sustainable water purification in off-grid and remote communities.

Microorganism-Based Heavy Metal Sequestration

Genetic engineering and cultivation of bacteria and fungi with enhanced binding or precipitation capabilities for bioaccumulation and recovery of toxic metals from contaminated water.

Composite Adsorbent Material Development

Synthesis and characterization of multi-functional composite materials combining activated carbon, mineral phases, and polymers for simultaneous removal of multiple contaminant classes.

Nutrient Recovery from Human Excreta

Technologies for separation and processing of urine and feces to recover phosphorus, nitrogen, and potassium for agricultural application in circular economy frameworks.

Greenhouse Gas Emissions from Wastewater Systems

Quantification and mitigation strategies for nitrous oxide, methane, and carbon dioxide releases from treatment processes, including process optimization and biosolids management.

Electrospinning for Environmental Filtration

Production of nanofiber membranes via electrospinning with tailored porosity and functional coatings for high-efficiency air and water filtration applications.

Radiological Contamination Remediation Methods

Engineering approaches for isolation, stabilization, and treatment of radioactive contamination in soil and groundwater using containment barriers and chemical immobilization.

Synergistic Photocatalysis-Adsorption Processes

Integration of photocatalytic degradation with adsorbent materials to enhance pollutant removal efficiency through coupled mechanisms and improved mass transfer.

Wastewater-Based Epidemiology and Viral Monitoring

Analysis of viral RNA, antibiotic resistance markers, and chemical biomarkers in wastewater to track disease prevalence and chemical exposure at population scales.

Soil Thermal Remediation Technologies

Application of electrical heating, steam injection, and hot water flushing to enhance volatile and semi-volatile organic compound removal from contaminated soil matrices.

Modular and Scalable Treatment Solutions

Design of prefabricated, transportable treatment units adaptable to varying wastewater characteristics and flow rates for rapid deployment in developing regions and emergencies.

Biomass Pretreatment for Anaerobic Digestion

Chemical, thermal, and enzymatic pretreatment strategies to disrupt lignocellulosic structures and improve substrate accessibility for enhanced biogas production from waste biomass.

Graphene-Enhanced Adsorption for Arsenic Removal

Development and optimization of graphene-based composite adsorbents for selective removal of arsenic species from contaminated groundwater and industrial effluents.

Enzymatic Degradation of Xenobiotic Pollutants

Engineering enzyme-based catalytic systems to facilitate biodegradation of persistent organic pollutants and synthetic chemicals in environmental matrices.

Floating Treatment Wetlands Design and Performance

Design optimization and performance evaluation of floating islands and vegetated systems for nutrient removal and water quality improvement in urban water bodies.

Bioaugmentation Strategies for Contaminated Sites

Development of microbial inoculation protocols and assessment of augmented microbial community performance in remediating polluted soil and groundwater environments.

Advanced Oxidation via Persulfate Activation

Investigation of thermal, chemical, and photochemical activation methods for generating sulfate radicals in persulfate-based treatment of recalcitrant contaminants.

Microplastic Characterization and Source Apportionment

Development of analytical methodologies for identifying polymer composition, particle morphology, and tracing microplastic sources in terrestrial and aquatic environments.

Biofilm Reactors for Nitrogen and Phosphorus Removal

Optimization of attached-growth biofilm systems and stratified biofilm structure for enhanced simultaneous nitrification-denitrification and phosphorus removal kinetics.

Thermal Plasma Technology for Waste Gasification

Investigation of plasma torch systems and pyrolysis conditions for converting hazardous waste and biomass into syngas and valuable chemical products.

Soil Bioremediation via Plant Root Exudates

Elucidation of rhizospheric microbial dynamics and metabolic pathways stimulated by plant root exudates for enhanced contaminant biodegradation in soil.

Ion Exchange Resin Regeneration and Recovery

Development of sustainable regeneration methodologies and resource recovery processes for spent ion exchange resins in water treatment applications.

Supercritical Fluid Extraction for Soil Decontamination

Application of supercritical carbon dioxide and other solvents for selective extraction and remediation of organic contaminants from soil matrices.

Real-Time Optical Sensing for Water Quality Parameters

Development of fiber-optic and spectroscopic sensors for continuous monitoring of dissolved oxygen, turbidity, and contaminant concentrations in aqueous systems.

Biosorption Equilibrium and Kinetic Modeling

Development of mechanistic models describing biosorption isotherms and rate kinetics for prediction of heavy metal and radionuclide uptake by biomass.

Rhizofiltration for Metal Extraction from Water

Engineering and evaluation of plant-based root systems for hyperaccumulation and removal of trace metals and radionuclides from contaminated aqueous solutions.

Electrochemical Nutrient Recovery from Wastewaters

Development of electrochemical precipitation and recovery methods for phosphorus and nitrogen species from municipal and agricultural wastewater streams.

Biochar Pore Structure and Sorption Mechanisms

Characterization of biochar pore topology and surface chemistry to optimize adsorption of organic contaminants and nutrient immobilization in soil systems.

Quorum Sensing in Biofilm-Based Treatment Systems

Investigation of bacterial communication pathways and cell density-dependent gene expression in biofilm reactors for optimizing pollutant degradation efficiency.

Polymer Coagulation and Flocculation Dynamics

Study of synthetic polymer behavior, bridging mechanisms, and destabilization kinetics in treatment of colloid-laden wastewaters and surface waters.

Soil-Groundwater Interface Biogeochemistry

Analysis of reactive transport and biogeochemical transformations occurring at soil-groundwater interfaces affecting contaminant persistence and remediation outcomes.

Photocatalytic Disinfection of Pathogenic Microorganisms

Optimization of titanium dioxide and alternative photocatalyst systems under solar and artificial light for inactivation of bacteria, viruses, and protozoa.

Anaerobic Ammonia Oxidation in Granular Reactors

Development of anammox-based granular sludge systems for energy-efficient nitrogen removal from high-ammonia wastewater without external carbon addition.

Vermicomposting Efficiency for Biosolids Stabilization

Optimization of earthworm species selection and operational conditions for rapid biosolids decomposition and pathogen inactivation in vermicomposting systems.

Vapor-Liquid Equilibrium in Air Stripping Design

Thermodynamic modeling and mass transfer characterization for air stripping tower design and performance prediction for volatile organic compound removal.

Bioassay-Based Toxicity Assessment Methodologies

Development of standardized bioassay protocols using indicator organisms for ecotoxicological evaluation of environmental samples and treatment efficiencies.

Passive Soil Vapor Extraction Optimization

Enhancement of barometric pumping and natural gradient-driven soil vapor extraction through vent design and subsurface heterogeneity characterization.

Acid Mine Drainage Treatment by Limestone Neutralization

Optimization of limestone-based passive treatment systems and reactive barrier design for pH neutralization and heavy metal precipitation in mining-impacted waters.

Membrane Distillation for Saline Water Concentration

Development of hydrophobic membrane systems and thermal integration strategies for desalination and wastewater brine concentration via membrane distillation.

Biodegradable Polymer Films for Contamination Barrier

Engineering of polymer-based cap systems for landfills and contaminated sites with focus on barrier permeability and long-term environmental stability.

Pathogen Inactivation in Ultraviolet Disinfection

Investigation of ultraviolet dose-response relationships, photoreactivation mechanisms, and system design for effective microbial inactivation in drinking water treatment.

Subsurface Characterization via Electrical Resistivity Tomography

Application of geophysical electrical resistivity imaging for three-dimensional mapping of contamination plumes and subsurface lithology in remediation site characterization.

Biochar-Amended Soil Water Retention and Permeability

Investigation of biochar application effects on soil water-holding capacity, infiltration rates, and contaminant transport in amended soil profiles.

Heavy Metal Chelation and Precipitation Kinetics

Study of chelating agent interactions with metal ions and optimization of precipitation chemistry for removal of multiple heavy metals in wastewater treatment.

Bioplastic Production from Wastewater-Derived Biosolids

Conversion of biosolids through fermentation and polymerization processes into biodegradable polymer products as a circular biosolids management strategy.

Photochemical Degradation of Estrogens and Hormones

Investigation of solar photodegradation and UV-catalyzed breakdown of endocrine-disrupting compounds and pharmaceutical hormones in environmental waters.

Granular Activated Carbon Filter Breakthrough Modeling

Development of predictive models for activated carbon saturation and contaminant breakthrough in granular filtration systems using mass transfer principles.

Microbial Fuel Cell Energy Generation from Wastewater

Design optimization of bioelectrochemical systems for simultaneous wastewater treatment and electrical energy generation through microbial metabolism.

Turbidity Removal via Ballasted Flocculation

Application of particle-ballasted flocculation technology for rapid settling of colloidal particles and improvement of water treatment plant capacity.

Sulfur-Oxidizing Bacteria in Biological Desulfurization

Cultivation and metabolic characterization of sulfur-oxidizing microorganisms for biodesulfurization of hydrogen sulfide from wastewater and industrial gases.

Hydrolysis and Solubilization in Anaerobic Digestion

Investigation of enzymatic hydrolysis kinetics and substrate solubilization mechanisms for optimization of anaerobic digestion rate-limiting steps.

Electrokinetic Soil Remediation Technology Integration

Application of applied electric fields for mobilizing and removing ionic and polar contaminants from low-permeability soils in electrokinetic remediation.

Oxidative Coupling in Phenolic Compound Treatment

Investigation of oxidative polymerization and coupling reactions for removal of phenolic and aromatic compounds from industrial wastewater streams.

Climate-Resilient Stormwater Infrastructure Design

Engineering of green infrastructure systems designed to accommodate projected precipitation changes and extreme weather events under climate change scenarios.

Trace Element Speciation in Environmental Matrices

Development of analytical techniques for determining oxidation states and chemical forms of trace elements affecting their mobility and bioavailability.

Enzymatic Pretreatment of Cellulose for Biogas

Optimization of cellulase enzyme systems for cellulose hydrolysis and carbohydrate liberation from biomass prior to anaerobic digestion processes.

Contaminant Sorption to Natural Organic Matter

Characterization of organic contaminant interactions with dissolved and particulate organic matter affecting transport and bioavailability in aquatic environments.

Dissolved Oxygen Control in Activated Sludge Plants

Development of advanced aeration control systems and optimization algorithms for energy-efficient dissolved oxygen maintenance in biological treatment processes.

Pesticide Residue Degradation in Soil Environments

Investigation of microbial pathways, half-lives, and fate of agricultural pesticides in soil, including transformation products and environmental persistence.

Zero-Valent Iron Reactivity and Passivation

Study of iron corrosion mechanisms, surface passivation effects, and enhanced reactivity strategies for zero-valent iron in permeable reactive barriers.

Ozone Decomposition and Radical Generation Efficiency

Investigation of ozone decomposition pathways and hydroxyl radical generation mechanisms for optimization of ozonation treatment efficiency.

Soil Infiltration Capacity and Preferential Pathways

Characterization of macropore flow, funnel flow, and preferential contaminant migration pathways affecting pollutant transport through soil profiles.

Ionic Liquid-Based Extraction of Environmental Contaminants

Investigation of room-temperature ionic liquids as selective solvents for extracting persistent organic pollutants and heavy metals from contaminated soil and water matrices.

Graphene Oxide Nanocomposites for Water Purification

Development and optimization of graphene oxide-based hybrid materials for enhanced adsorption and removal of emerging contaminants from wastewater.

Microbial Fuel Cells for Wastewater Treatment Integration

Engineering of microbial electrochemical systems that simultaneously treat wastewater while generating electrical energy through microbial metabolism.

Plastic Waste Thermal Conversion to Chemicals

Pyrolysis and gasification technologies for converting mixed plastic waste into valuable fuels and chemical feedstocks with minimal environmental impact.

Enzyme-Based Bioremediation of Xenobiotic Compounds

Utilization of engineered enzymes and enzyme complexes to catalytically degrade synthetic organic pollutants in contaminated environmental matrices.

Machine Learning for Real-Time Pollution Prediction

Development of artificial intelligence algorithms for predicting air and water pollution events using multi-sensor environmental data streams.

Geopolymer Materials for Hazardous Waste Stabilization

Synthesis of alkali-activated aluminosilicate binders to immobilize toxic metals and radioactive elements in contaminated sediments and soils.

Advanced Oxidation via Persulfate Activation Methods

Investigation of thermal, photochemical, and catalytic activation of persulfate ions for destruction of recalcitrant organic contaminants.

Bioaugmentation Strategies for Petroleum Hydrocarbon Sites

Engineering of microbial consortia and nutrient amendment protocols to enhance bioremediation of oil-contaminated soil and groundwater.

Zero-Valent Iron Nanoparticles Synthesis and Reactivity

Production and characterization of nanoscale iron particles for direct reduction of chlorinated solvents and heavy metal ions in groundwater.

Electrokinetic Remediation of Clay-Rich Contaminated Sites

Application of electrical gradients to mobilize and extract heavy metals and organic contaminants from low-permeability soil formations.

Thermophilic Anaerobic Digestion for Pathogen Reduction

Optimization of high-temperature anaerobic processes to maximize biogas production while achieving enhanced destruction of antibiotic-resistant bacteria.

Per- and Polyfluoroalkyl Substances Destruction via Plasma

Non-thermal plasma technology for breaking carbon-fluorine bonds and mineralizing persistent perfluorinated compounds in water treatment systems.

Biosorption Kinetics of Lanthanide Elements

Study of microbial and biomass-based uptake mechanisms for rare earth elements from electronic waste leachates and mining effluents.

Mycoremediation of Industrial Contaminated Brownfields

Deployment of fungal species and fungal enzyme systems to degrade polycyclic aromatic hydrocarbons and dioxins in urban industrial sites.

Nutrient Cycling in Vertical Farming Systems

Optimization of closed-loop nutrient recovery and recycling within urban vertical agriculture to minimize environmental nutrient loading.

Ultrasonic-Assisted Contaminant Mobilization and Extraction

Application of high-frequency acoustic waves to enhance desorption and transport of adsorbed pollutants from soil and sediment particles.

Osmotic Membrane Bioreactors for Wastewater Reclamation

Integration of forward osmosis with biological treatment to achieve high-quality water recovery while minimizing membrane fouling.

Quorum Sensing Manipulation for Bioremediation Enhancement

Engineering bacterial communication pathways to improve biofilm formation and pollutant degradation rates in engineered treatment systems.

Bioavailability Assessment of Soil-Bound Contaminants

Development of standardized analytical methods to quantify the fraction of soil-associated pollutants accessible to microbial degradation.

Hydrothermal Carbonization of Wet Organic Wastes

Conversion of high-moisture sludges and food waste into stable hydrochar products through subcritical water treatment processes.

Photocatalytic Disinfection with Metal-Organic Frameworks

Design of porous crystalline materials with tunable photocatalytic properties for inactivating pathogens and degrading micropollutants.

Soil Gas Vapor Phase Extraction System Monitoring

Real-time monitoring and adaptive control strategies for optimizing volatile organic compound removal rates from vadose zones.

Bacterial Electrogenesis for Contaminant Oxidation

Harnessing extracellular electron transfer pathways of exoelectrogenic bacteria to oxidize and mineralize organic contaminants.

Chelating Agents in Enhanced Soil Flushing Technologies

Optimization of chelant selection and concentrations to mobilize sequestered heavy metals for hydraulic recovery from contaminated soils.

Biofilm Engineering for Selective Pollutant Degradation

Design of structured biofilm reactors with stratified microbial communities to achieve targeted degradation of specific contaminant classes.

Sorption-Desorption Cycling for Pollutant Recovery

Development of regenerable sorbent materials and thermal/chemical desorption protocols for valuable contaminant recovery and material reuse.

Wetland Plant Selection for Contaminant Phytoextraction

Screening and genetic optimization of native wetland vegetation for accumulation and translocation of heavy metals and metalloids.

Dissolved Oxygen Control in Bioremediation Systems

Innovative aeration strategies and passive oxygen transfer mechanisms to maintain optimal redox conditions for aerobic biodegradation.

Thermal Plasma Gasification of Hazardous Waste

High-temperature plasma gasification of persistent organic pollutants and medical waste for complete mineralization and energy recovery.

Magnetotactic Bacteria for Heavy Metal Separation

Cultivation and application of magnetic biomineralization by bacteria for rapid magnetic separation of sequestered metals from solutions.

Permeable Reactive Barrier Design and Optimization

Engineering of in-situ reactive walls containing zero-valent metals and sorbents for passive groundwater contaminant interception.

Enzymatic Degradation of Polyethylene Terephthalate

Development of engineered enzymes and fermentation processes for decomposing PET plastics into recyclable chemical monomers.

Geochemical Modeling of Subsurface Contaminant Transport

Reactive transport modeling incorporating mineral dissolution, precipitation, and sorption for predicting long-term groundwater contamination fate.

Antibiotic Resistance Gene Dissemination in Wastewater

Investigation of horizontal gene transfer mechanisms and removal strategies for antibiotic resistance genes in treatment plant environments.

Ultrafiltration Membrane Biofouling Prevention Methods

Development of anti-fouling coatings and operational strategies to extend membrane lifespan in water and wastewater treatment.

Activated Sludge Microbial Community Dynamics Analysis

Metagenomic and metatranscriptomic characterization of functional microbial consortia to optimize nutrient removal and process stability.

Carbon Capture Direct Air Utilization Integration

Engineering systems that combine direct air capture with carbonated material production and enhanced weathering technologies.

Endocrine-Disrupting Chemical Detection and Degradation

Development of advanced analytical methods and treatment technologies for removal of hormone-active compounds from municipal wastewater.

Cation Exchange Resin Regeneration and Recovery

Sustainable regeneration strategies and metal recovery from exhausted ion exchange resins to reduce waste and material costs.

Phytoremediation of Explosive Residue Contamination

Selection and cultivation of plants capable of accumulating and detoxifying residual nitroaromatic compounds from military training sites.

Hydrophobic Deep Eutectic Solvents for Oil Spill Recovery

Novel solvent systems for selective extraction and recovery of crude oil from marine environments and contaminated sediments.

Volatile Fatty Acid Production from Waste Biomass

Fermentation strategies for converting organic waste into short-chain carboxylic acids as platform chemicals and biofuel precursors.

Sensor Networks for Subsurface Contaminant Monitoring

Deployment of wireless sensor systems and Internet of Things infrastructure for continuous real-time groundwater quality surveillance.

Photochemical Water Disinfection with Semiconductors

Utilization of semiconductor materials under solar irradiation for inactivating waterborne pathogens and degrading persistent organic pollutants.

Microorganism-Mediated Uranium Immobilization Mechanisms

Biochemical pathways for reducing soluble uranium to insoluble precipitates through microbial metabolism in contaminated groundwater.

Adsorptive Bubble Separation for Contaminant Recovery

Process design for selective adsorption onto air bubbles and subsequent recovery of dissolved contaminants from dilute solutions.

Graphene-Enhanced Water Treatment Membranes

Development and optimization of graphene-oxide composite membranes for enhanced filtration, adsorption, and antimicrobial properties in drinking water and wastewater treatment applications.

Biological Nitrogen Removal in Moving Bed Systems

Investigation of nitrification-denitrification mechanisms and kinetics in moving bed biofilm reactors for optimized nutrient removal from municipal and agricultural wastewater.

Rare Earth Element Recovery from Industrial Waste

Development of hydrometallurgical and biohydrometallurgical processes to extract and recover rare earth elements from electronic waste and mining tailings.

Microplastic Transport in Soil and Groundwater

Quantification and modeling of microplastic migration pathways, sorption behavior, and bioavailability in terrestrial and subsurface environments.

Enzyme-Catalyzed Polyaromatic Hydrocarbon Degradation

Engineering and application of engineered enzymes and enzyme-producing microorganisms for enhanced degradation of persistent polyaromatic hydrocarbon contaminants in contaminated soils.

Atmospheric Ammonia Emissions from Livestock Operations

Quantification, modeling, and mitigation strategies for ammonia volatilization from animal waste management systems and its environmental transport.

Granular Activated Carbon Regeneration Technologies

Development of energy-efficient thermal, chemical, and electrochemical methods for in-situ and ex-situ regeneration of exhausted activated carbon adsorbents.

Biofilm-Based Bioreactor Design and Operation

Optimization of biofilm structure, thickness, and microbial community composition in fixed and fluidized bed bioreactors for wastewater treatment applications.

Per- and Polyfluoroalkyl Substance Destruction Technologies

Development and evaluation of thermal, chemical, and photochemical methods for permanent destruction of PFAS compounds in contaminated water and sludge.

Constructed Stormwater Bioswales with Phosphorus Recovery

Design and performance evaluation of planted bioswales incorporating enhanced phosphorus removal and recovery mechanisms for urban stormwater management.

Microbial Electrosynthesis for Organic Compound Production

Development of bioelectrochemical systems utilizing CO2 and wastewater as feedstocks to produce high-value organic chemicals and biofuels.

Stormwater Green Infrastructure Performance Assessment

Comprehensive evaluation of hydrologic, water quality, and ecological performance of green roofs, permeable pavements, and rain gardens in urban watersheds.

Thermophilic Anaerobic Digestion of Food Waste

Optimization of high-temperature anaerobic digestion processes to enhance biogas yield and pathogen destruction from food processing and catering waste streams.

Floating Treatment Wetlands for Water Quality Improvement

Design, implementation, and monitoring of floating wetland islands for nutrient removal and habitat enhancement in lakes, reservoirs, and impaired water bodies.

Geosynthetic Clay Liner Permeability and Integrity

Evaluation of long-term chemical and biological degradation of geosynthetic clay liners under various leachate and environmental conditions.

Advanced Ion Exchange Resin Development

Synthesis and characterization of selective ion exchange resins for removal of specific contaminants including radioactive ions, heavy metals, and emerging pollutants.

Biochar Composites for Soil Remediation Applications

Development of biochar-based composite materials incorporating minerals, polymers, or other amendments for enhanced contaminant sorption and soil quality improvement.

Ultrasonic Treatment of Persistent Organic Pollutants

Investigation of cavitation-induced degradation mechanisms and optimization of sonochemical processes for destruction of POPs including pesticides and industrial chemicals.

Climate Change Adaptation in Water Infrastructure

Assessment and design of climate-resilient water supply, treatment, and distribution systems addressing altered precipitation patterns and extreme weather events.

Anaerobic Ammonium Oxidation Reactor Systems

Development and control of ANAMMOX-based bioreactors for nitrogen removal from wastewater with minimal carbon addition and reduced aeration requirements.

Chitosan-Based Water Treatment Coagulants

Development and application of chitosan and chitosan derivative coagulants as biodegradable alternatives to chemical coagulants for turbidity and contaminant removal.

Microwave-Enhanced Soil Remediation Processes

Optimization of microwave heating for enhanced volatilization, desorption, and chemical degradation of organic contaminants in soil remediation applications.

Biosolids Pathogen Inactivation Methods Comparison

Comparative assessment of thermal, chemical, and biological pathogen reduction processes for biosolids stabilization and beneficial use applications.

Sulfate-Reducing Bacteria for Metal Precipitation

Cultivation and application of sulfate-reducing bacterial communities for biogenic sulfide precipitation and recovery of heavy metals from mine drainage and industrial wastewater.

Supercritical Water Oxidation Technology Development

Design and optimization of supercritical water oxidation reactors for complete mineralization of hazardous and non-biodegradable organic waste streams.

Denitrifying Methanotrophs in Wastewater Treatment

Isolation, characterization, and cultivation of denitrifying methanotrophs for simultaneous removal of nitrogen and methane from treatment system biogas.

Aquifer Thermal Energy Storage System Design

Engineering design and performance optimization of aquifer thermal energy storage systems for seasonal temperature management and sustainable heating and cooling.

Photocatalytic Reactors with Immobilized Catalysts

Development of fixed-bed and fluidized photocatalytic reactors with immobilized titanium dioxide and alternative photocatalysts for continuous water treatment applications.

Isotopic Tracing of Nitrogen Cycling Processes

Application of stable isotope techniques to distinguish and quantify nitrogen transformation pathways in environmental and engineered biological treatment systems.

Acid Mine Drainage Treatment with Passive Systems

Design and long-term performance monitoring of passive treatment systems including wetlands and anoxic limestone drains for abandoned mine site remediation.

Antibiotic Resistance Gene Monitoring in Wastewater

Development of molecular methods to track and quantify antibiotic resistance gene dissemination through wastewater treatment systems and environmental pathways.

Probiotic Bioaugmentation for Contaminated Sites

Selection and application of microorganism consortia with enhanced contaminant degradation capabilities for bioremediation of petroleum and chlorinated solvent contamination.

Membrane Distillation for Saline Wastewater Treatment

Optimization of direct contact and air-gap membrane distillation processes for treatment of high-salinity and hypersaline wastewater streams.

Electrocoagulation Reactor Design and Optimization

Development of electrocoagulation reactor configurations and electrode materials for removal of dissolved metals, phosphorus, and recalcitrant organics from wastewater.

Manganese Oxide Bioreactor for Arsenic Removal

Development of bioreactors utilizing manganese-oxidizing bacteria for oxidative removal of dissolved arsenic from groundwater and contaminated water sources.

Plastic Degradation Enzyme Engineering and Application

Discovery and engineering of plastic-degrading enzymes and microbial communities for enzymatic degradation and upcycling of synthetic polymer waste.

Passive Sampler Technology for Environmental Monitoring

Development and deployment of passive sampling devices for long-term measurement of organic contaminants, metals, and emerging pollutants in aquatic environments.

Geomembrane Degradation Under Environmental Stress

Investigation of chemical, biological, and photochemical degradation mechanisms of geomembranes in landfill and pond containment applications over extended periods.

Metal-Organic Frameworks for Gas Separation

Synthesis and evaluation of metal-organic framework materials for selective capture and separation of greenhouse gases, VOCs, and industrial pollutants from air streams.

Constructed Root Zone Treatment System Design

Engineering and optimization of subsurface-flow and surface-flow constructed wetlands with specific focus on root zone biogeochemistry for wastewater treatment.

Metagenomic Analysis of Environmental Biofilm Communities

Application of high-throughput sequencing and metagenomic analysis to characterize microbial community composition, function, and temporal dynamics in environmental biofilms.

Nitrous Oxide Emissions from Biological Reactors

Investigation of N2O production pathways during nitrification and denitrification processes and development of operational strategies to minimize greenhouse gas emissions.

Industrial Symbiosis for Waste Valorization

Design of integrated industrial ecosystems where waste streams from one facility become feedstock or energy source for co-located industrial operations.

Fungal-Based Bioremediation of Recalcitrant Compounds

Cultivation and application of white-rot and other degradative fungi for biodegradation of persistent pollutants including lignin-like and halogenated compounds.

Electrochemical Disinfection of Drinking Water

Development of electrochemical disinfection methods including direct oxidation and in-situ generation of reactive oxidants for pathogen inactivation without chemical additives.

Biomass Ash Valorization in Environmental Applications

Characterization and application of biomass combustion ash as amendment material for soil remediation, pH control, and nutrient cycling in environmental systems.

Anaerobic Co-Digestion Substrate Optimization

Investigation of synergistic effects and process stability when co-digesting diverse organic waste substrates including food, agricultural, and paper mill residues.

Bioaugmentation with Immobilized Microorganisms

Development of bioaugmentation strategies using immobilized or encapsulated microbial cultures for enhanced contaminant degradation and treatment persistence in environmental remediation.

Microbiome Engineering for Industrial Effluent Treatment

Development of synthetic microbial consortia and metagenomic approaches to enhance degradation of complex industrial pollutants and recalcitrant organic compounds in wastewater treatment systems.

Smart Geotextile Systems for Contaminant Containment

Design and evaluation of responsive geotextile materials embedded with sensors and reactive barriers for real-time detection and remediation of subsurface contaminant plumes.

Circular Biorefinery Design for Waste Valorization

Integration of bioconversion processes to transform agricultural, municipal, and industrial waste streams into valuable biochemicals, biofuels, and biomaterials while minimizing environmental burden.

Nature-Based Solutions for Urban Flood Resilience

Engineering of green infrastructure networks including rain gardens, permeable pavements, and living shorelines to enhance urban hydrological resilience and reduce flooding impacts.

Per- and Polyfluoroalkyl Substance Degradation Technologies

Development and optimization of advanced chemical, thermal, and biological degradation methods for persistent per- and polyfluoroalkyl substances in contaminated environmental matrices and treatment systems.