PHD CHEMICAL ENGINEERING PROJECT TOPICS AND MATERIALS
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PHD CHEMICAL ENGINEERING PROJECT TOPICS AND MATERIALS
A. Advanced Process Systems and Optimization
- Development of a multi-scale framework for resilient, low-carbon design of integrated chemical process networks.
- Robust optimization of chemical supply chains under feedstock, energy-price and infrastructure uncertainty.
- Development of a hybrid mechanistic–machine-learning model for real-time optimization of chemical plants.
- Multi-objective process synthesis for minimizing cost, emissions, water use and waste simultaneously.
- Dynamic optimization of flexible chemical plants supplied by intermittent renewable energy.
- Development of a digital-twin architecture for predictive control and fault management in chemical manufacturing.
- Real-time optimization of integrated heat, power and material networks using advanced process analytics.
- Development of explainable artificial intelligence for safety-constrained process optimization.
- Optimization of modular chemical plants for decentralized production in resource-constrained regions.
- Model-predictive control of nonlinear, multiphase chemical processes with uncertain kinetics.
- Development of a process-systems framework for industrial symbiosis and by-product exchange.
- Multi-scale optimization of water and energy networks in complex process industries.
- Development of surrogate models for rapid flowsheet optimization of non-ideal chemical systems.
- Stochastic scheduling of batch chemical plants with renewable electricity and flexible production.
- Integration of life-cycle assessment and techno-economic analysis into process synthesis.
- Development of optimization methods for circular chemical manufacturing and material recovery.
- Design of resilient process networks under climate, logistics and geopolitical disruptions.
- Multi-level optimization of energy and emissions in integrated refinery–petrochemical complexes.
- Development of a model-based framework for process electrification and thermal-energy integration.
- Optimization of chemical production under carbon pricing, emissions caps and uncertain policy scenarios.
B. Advanced Reaction Engineering and Catalysis
- Mechanistic investigation of catalyst deactivation and regeneration in biomass-derived feedstock conversion.
- Design of hierarchical catalysts for selective conversion of carbon dioxide to multi-carbon products.
- Development of earth-abundant catalysts for electrochemical hydrogen production in alkaline media.
- Coupled experimental and computational study of methane activation over supported metal catalysts.
- Development of catalyst structures that control selectivity in lignin depolymerization.
- Reaction engineering of continuous catalytic pyrolysis for conversion of mixed plastic waste.
- Kinetic and mechanistic modelling of catalytic upgrading of bio-oil under hydrogen-limited conditions.
- Design of multifunctional catalysts for one-pot conversion of glycerol to high-value chemicals.
- Development of a catalyst–reactor system for direct conversion of captured CO₂ into methanol.
- Investigation of reaction pathways and catalyst stability in ammonia cracking for hydrogen production.
- Scale-dependent kinetics of enzymatic hydrolysis in high-solids lignocellulosic slurries.
- Development of structured catalysts for low-temperature removal of nitrogen oxides from industrial exhaust.
- Mechanistic study of sulfur-tolerant catalysts for natural-gas reforming.
- Design and kinetic evaluation of catalysts for sustainable aviation-fuel production from waste oils.
- Development of non-precious-metal catalysts for electrochemical conversion of nitrogen to ammonia.
- Catalytic valorization of methane and carbon dioxide using plasma-assisted reaction engineering.
- Modelling and experimental validation of catalyst effectiveness in structured microreactors.
- Catalyst–solvent interactions in selective hydrogenation of biomass-derived platform molecules.
- Development of photocatalytic systems for simultaneous pollutant degradation and hydrogen generation.
- Deactivation-resistant catalysts for upgrading of heavy crude and refinery residues.
- Mechanistic study of tandem catalytic reactions for conversion of biomass to aromatic chemicals.
- Development of catalytic processes for low-temperature mineralization of persistent organic pollutants.
- Kinetic modelling of supercritical-fluid catalytic reactions for biomass conversion.
- Design of catalysts for selective oxidation using oxygen or air with reduced chemical waste.
- Investigation of catalyst life-cycle, regeneration and metal recovery in sustainable process design.
C. Separation Processes and Membrane Engineering
- Development of defect-tolerant mixed-matrix membranes for selective CO₂ separation from natural gas.
- Multiscale modelling of fouling, concentration polarization and transport in membrane bioreactors.
- Design of solvent-resistant membranes for recovery of valuable chemicals from industrial wastewater.
- Development of membrane contactors for intensified carbon capture with reduced solvent degradation.
- Advanced membrane–adsorption hybrids for low-energy separation of hydrogen from process-gas mixtures.
- Molecular-level design of membranes for selective lithium recovery from brines and produced water.
- Development of electrochemical membranes for recovery of ammonia and nutrients from wastewater.
- Fouling-resistant membranes for treatment and reuse of produced water in oil-producing regions.
- Development of pervaporation membranes for separation of azeotropic biofuel mixtures.
- Process intensification of solvent recovery using membrane distillation and vapour permeation.
- Design of adsorbents with tunable pore chemistry for selective capture of volatile organic compounds.
- Modelling of competitive adsorption and regeneration in fixed-bed carbon-capture systems.
- Development of electro-swing adsorption processes for direct air capture of carbon dioxide.
- Integration of membrane separation and reactive absorption for intensified acid-gas removal.
- Development of low-cost ceramic membranes from industrial by-products for high-temperature separation.
- Separation and recovery of critical metals from spent batteries using hybrid membranes and sorbents.
- Advanced crystallization–membrane systems for recovery of salts from industrial brines.
- Molecular simulation-guided design of adsorbents for selective removal of PFAS from water.
- Development of solvent-free separation routes for recovery of monomers from mixed plastic waste.
- Intensified separation of hydrogen isotopes using electrochemical membrane systems.
- Design of hybrid distillation–membrane systems for energy-efficient chemical purification.
- Fouling diagnosis and mitigation in reverse-osmosis systems using physics-informed data models.
- Development of reactive membranes for simultaneous reaction and product separation.
- Selective recovery of rare-earth elements from electronic waste using membrane-assisted extraction.
- Life-cycle and techno-economic optimization of membrane-based water reuse systems.
D. Carbon Management and Process Decarbonization
- Integrated process design for carbon capture, utilization and storage in Nigerian cement production.
- Techno-economic optimization of post-combustion carbon capture for gas-fired power plants.
- Development of solvent systems with low regeneration energy and improved resistance to degradation.
- Process integration of carbon capture with refinery hydrogen and steam networks.
- Conversion of captured CO₂ into chemicals using renewable hydrogen under variable-power conditions.
- Life-cycle assessment of carbon utilization pathways using locally available Nigerian feedstocks.
- Process design for mineral carbonation using industrial residues and carbon-rich flue gas.
- Development of intensified sorbent systems for high-temperature carbon capture.
- Dynamic modelling of carbon-capture plants during renewable-energy fluctuations.
- Techno-economic comparison of blue and green hydrogen for Nigerian industrial applications.
- Process design for low-carbon ammonia production using renewable hydrogen.
- Development of chemical-looping combustion systems for inherent CO₂ separation.
- Carbon accounting and optimization of integrated oil-refining and petrochemical operations.
- Process electrification strategies for high-temperature chemical manufacturing.
- Waste-heat recovery and heat-pump integration for decarbonization of process industries.
- Assessment of carbon capture from gas flaring streams and associated-gas processing.
- Development of a process-integration framework for reducing emissions in fertilizer production.
- Capture and conversion of CO₂ from biogas upgrading into marketable chemicals.
- Techno-economic assessment of direct-air-capture integration with chemical plants in tropical climates.
- Multi-objective design of carbon-neutral chemical processes using renewable feedstocks.
E. Biomass, Biofuels and Biorefinery Engineering
- Multi-scale process design for converting Nigerian agricultural residues into sustainable aviation fuel.
- Kinetic and reactor modelling of hydrothermal liquefaction of lignocellulosic biomass.
- Development of continuous pyrolysis and catalytic upgrading of biomass residues.
- Process intensification of enzymatic biomass hydrolysis at industrially relevant solids loading.
- Integrated biorefinery design for producing chemicals, fuels and materials from cassava residues.
- Anaerobic co-digestion process engineering for mixed municipal and agricultural wastes.
- Scale-up of fermentation systems for production of organic acids from food-processing residues.
- Development of pretreatment methods that improve lignin separation while limiting inhibitor formation.
- Process design for production of bio-based ethylene from renewable ethanol.
- Production and upgrading of bio-oil from Nigerian palm-kernel and groundnut-shell residues.
- Techno-economic and life-cycle assessment of algae-based biofuel production in tropical environments.
- Development of solvent systems for selective fractionation of lignocellulose into platform chemicals.
- Process control and scale-up of high-solids anaerobic digestion systems.
- Conversion of glycerol-rich biodiesel residues into value-added chemicals using integrated reaction-separation.
- Development of microbial electrosynthesis systems for conversion of CO₂ into chemicals.
- Process modelling of sustainable biohydrogen production from agricultural residues.
- Production of biochar with engineered surface chemistry for carbon capture and wastewater treatment.
- Integrated recovery of nutrients, biogas and clean water from agro-industrial effluents.
- Development of a circular biorefinery for valorization of food waste in Nigerian urban centres.
- Optimization of solvent recovery and recycle in biomass-to-chemical processes.
F. Water, Wastewater and Environmental Process Engineering
- Development of a process train for treatment and reuse of produced water from Nigerian oil fields.
- Advanced oxidation and membrane hybrid systems for removal of persistent contaminants from wastewater.
- Process engineering of brackish-water desalination powered by intermittent solar energy.
- Development of low-energy treatment systems for textile wastewater containing mixed dyes and salts.
- Recovery of phosphorus, nitrogen and clean water from municipal wastewater using integrated processes.
- Treatment and valorization of palm-oil mill effluent through anaerobic digestion and resource recovery.
- Development of adsorbents from Nigerian agricultural wastes for selective heavy-metal removal.
- Process design for remediation of crude-oil-contaminated water and soil using coupled oxidation and adsorption.
- Fouling and cleaning dynamics in decentralized membrane systems for rural water supply.
- Development of electrochemical processes for removal of PFAS and other persistent pollutants.
- Process intensification for treatment of high-strength brewery and food-processing wastewater.
- Recovery of valuable metals and water from mining and metallurgical wastewater.
- Modelling of contaminant transport and reactive treatment in packed-bed systems.
- Development of a treatment process for pharmaceutical residues in hospital wastewater.
- Design of zero-liquid-discharge systems for selected process industries in Nigeria.
- Process engineering of decentralized wastewater treatment and biogas recovery for peri-urban communities.
- Development of a life-cycle assessment framework for industrial water reuse.
- Electrocoagulation and membrane integration for treatment of produced water.
- Recovery of solvents and valuable organics from chemical-industry wastewater.
- Optimization of wastewater treatment under variable influent composition and intermittent power.
G. Polymer, Materials and Circular Manufacturing
- Chemical recycling of mixed polyolefin waste through catalytic pyrolysis and product separation.
- Depolymerization of PET waste to purified monomers using low-solvent processes.
- Development of recyclable and biodegradable polymer composites using Nigerian agricultural fibres.
- Process engineering of chemical recycling for multilayer packaging waste.
- Synthesis and processing of bio-based polymers from cassava and other local feedstocks.
- Development of polymer membranes with improved selectivity for gas separation.
- Life-cycle and techno-economic analysis of polymer recycling pathways for Nigerian waste streams.
- Reactive extrusion for continuous conversion of waste plastics into functional materials.
- Development of self-healing polymer coatings for corrosion protection in oil and gas infrastructure.
- Process design for recovery of carbon black, oil and steel from end-of-life tyres.
- Development of biodegradable packaging films with improved water-vapour barrier properties.
- Chemical upcycling of polyurethane waste into reusable polyols.
- Design of solvent systems for selective separation of polymer blends and additives.
- Process modelling of polymerization with real-time monitoring and molecular-weight control.
- Carbon-fibre recovery and reuse from composite waste using low-impact chemical processes.
- Development of polymer–biochar composites for water purification and contaminant capture.
- Production of silica and carbon materials from rice husk and other agro-residues.
- Scale-up of solvent-free mechanochemical recycling of polymer and composite waste.
- Development of circular process chains for recovery of materials from electronic waste.
- Assessment of chemical recycling emissions and material yields using life-cycle analysis.
H. Process Intensification, Safety and Advanced Manufacturing
- Scale-up methodology for continuous-flow chemical synthesis using modular process units.
- Development of reactive-distillation systems for biodiesel production with catalyst regeneration.
- Process intensification of gas-liquid reactions using structured packing and microreactors.
- Design of intensified heat-exchanger reactors for highly exothermic chemical reactions.
- Development of safer continuous processes for hazardous intermediates in fine-chemical production.
- Dynamic safety analysis of modular chemical plants operating under variable feed conditions.
- Integration of process analytical technology with model-predictive control for continuous manufacturing.
- Process safety and inherently safer design of hydrogen and ammonia production facilities.
- Development of digital process-safety models for early detection of runaway reactions.
- Scale-up of ultrasound- or microwave-assisted processes for biomass and waste valorization.
- Process intensification of solvent extraction using centrifugal contactors.
- Development of compact heat and mass transfer equipment for gas-processing applications.
- Risk-informed optimization of chemical-plant layout and emergency response systems.
- Development of a framework for assessing technology readiness and scale-up risk in process intensification.
- Continuous crystallization and downstream processing of high-value chemicals.
- Integration of additive manufacturing with chemical reactor design and process intensification.
- Development of control strategies for flexible plants switching between renewable feedstocks.
- Safety-constrained optimization of chemical plants under uncertain process and weather conditions.
- Process design for modular ammonia and fertilizer production near distributed renewable resources.
- Industrial validation of intensified separations for petrochemical and specialty-chemical manufacturing.
I. Advanced Computational and Data-Driven Chemical Engineering
- Physics-informed neural networks for solving reactive transport problems in porous catalysts.
- Development of interpretable machine-learning models for catalyst discovery and reaction prediction.
- Hybrid first-principles and data-driven models for soft sensing in chemical plants.
- Machine-learning-guided optimization of carbon-capture solvents and operating conditions.
- Development of uncertainty-quantification methods for chemical-process simulation and scale-up.
- Digital-twin modelling of an integrated refinery, petrochemical and energy system.
- Graph neural networks for predicting molecular properties and process performance.
- Reinforcement-learning control of nonlinear chemical processes with safety constraints.
- AI-assisted design of membrane materials for selective gas and liquid separations.
- Development of active-learning workflows for accelerated catalyst experimentation.
- Machine-learning prediction of fouling and cleaning requirements in industrial heat exchangers.
- Data-driven diagnosis of pipeline and process-equipment failures using operational sensor data.
- Development of generative models for sustainable solvent selection and process design.
- Optimization of laboratory experimentation using Bayesian design of experiments.
- Federated learning for multi-plant process optimization while preserving data privacy.
- Development of process-monitoring models robust to missing, noisy and drifting sensor data.
- Integrated process simulation and machine-learning optimization for biofuel production.
- AI-based prediction of gas-flaring emissions and recovery potential using field data.
- Development of a decision-support system for circular-economy process design.
- Automated flowsheet generation and optimization for low-carbon chemical processes.
J. Industrial and Regional Chemical Engineering Applications
- Integrated process design for gas monetization and value-added chemical production in Nigeria.
- Techno-economic assessment of modular fertilizer production using Nigerian natural gas and renewable hydrogen.
- Process design for recovery of valuable chemicals from Niger Delta produced water.
- Development of a refinery wastewater and waste-heat recovery system for improved resource efficiency.
- Process optimization for conversion of Nigerian solid waste into fuels and chemical feedstocks.
- Integrated gas-processing design for reducing flaring and supplying domestic industry.
- Process engineering of low-carbon cement production using alternative fuels and carbon capture.
- Development of decentralized chemical-manufacturing systems for agricultural value chains in Nigeria.
- Life-cycle and supply-chain assessment of sustainable chemical feedstocks across West Africa.
- Systems analysis of regional chemical-industry integration through shared feedstocks, utilities and waste-recovery networks.
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