CEng, CSci, FIChemE, FHEA
Reader
- 51cg
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- Email Address
- waheed@abdn.ac.uk
- Telephone Number
- +44 (0)1224 272526
- School/Department
- School of Engineering





Biography
With an extensive academic journey spanning across countries, including the US, France, Denmark, and Pakistan, I have dedicated my academic career to the fields of sustainable process engineering, environmental protection, safety, and clean energy.
My research primarily focuses on developing sustainable solutions to environmental challenges including carbon capture and utilization, waste valorisation, wastewater treatment, and biofuels. Through my research, I aim to reduce greenhouse gas emissions and combat climate change.
Alongside my research, I take great pride in mentoring and educating the next generation of engineers. By emphasizing the practical application of engineering principles, I equip my students with the skills and knowledge necessary to tackle real-world environmental sustainability challenges.
As programme coordinator, I lead MSc in Process Safety Engineering and MSc in Advanced Chemical Engineering.
PgCert (2016): 51cg
Post-Doc (20010-13): University of California, Berkeley
PhD (2009): Mines Paris PSL
European PhD (2010): Mines Paris PSL and Technical University of Denmark
MS (2005) & BSc Engg (2004): Punjab University, LahoreMemberships and Affiliations
- Internal Memberships
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The Senatus Academicus (Senate) 2022-26
The University Education Committee 2022-26
The Sustainable Development Committee 2022-26
- External Memberships
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Memberships
Fellow of the Institution of Chemical Engineers (FIChemE)
Chartered Engineer (CEng)
Chartered Scientist (CSci)
Fellow of the Higher Education Academy (FHEA)
Senior Member of the International Association of Carbon Capture (SMIACC) Also, Vice Chair of the International Committee on Industrial Energy Conservation, Emission Reduction and Pollutant Treatment of IACC)
External Services
Senior Assessor/ Assessor of IChemE Accreditation (2021–date)
Assessor of Cypriot Universities and Programs: Cyprus Agency of Quality Assurance and Accreditation in Higher Education (2023-date)
Chair of Task & Finish Group for Chartered Engr as CEng PPSE, IChemE (2021–22)
External Examiner, University of Manchester (2021–25); Teesside University (2018-2023)
Guest Editor, Special Issue on Recycling of Waste Plastics, Molecules (2021–22)
Member, Panel for Chartered Chemical Engineer Membership, IChemE (2020–2024)
Assessor and Panel Member, CEng and PPSE (Individual Case Procedure): IChemE (2020-2024)
PhD Examiner, Several Universities including those of Aberdeen, Edinburgh, Strathclyde, Exeter, Teesside, and oversease (2015-date)
Latest Publications
Engineering the microbial-electrochemical interface: synergistic of co-fe nano biochar composites for enhanced electron channelling to alter the metabolic pathway in light-driven biohydrogen production
Biochar, vol. 8, no. 1, 31Contributions to Journals: Articles- [ONLINE] DOI:
- [ONLINE]
Circular Management of Single-Use Polyolefins via Hydrocracking with Zeolite-Based Catalysts
Polymer Circularity in Sustainable Energy. Thomas, S., Ameduri, B., Thomas, J., Thomas, M. G. (eds.). 1 edition. ElsevierChapters in Books, Reports and Conference Proceedings: ChaptersAvailability and spatial distribution of crop and forest biomass residues for biochar production in Kenya
Scientific Reports, vol. 16, 11764Contributions to Journals: Articles- [ONLINE] DOI:
- [OPEN ACCESS]
Delignification of recycled fermentative residues to enhance biohydrogen production via hydrothermal and ethylene glycol thermal pretreatments: an approach towards zero-waste
Renewable Energy, vol. 257, 124733Contributions to Journals: Articles- [ONLINE] DOI:
- [ONLINE]
Performance comparison and sustainability assessment of mesoporous FAU zeolites for the plastic upcycling
Chemical Engineering Journal, vol. 527, 172045Contributions to Journals: Articles- [ONLINE] DOI:
- [OPEN ACCESS]
Prizes and Awards
European Doctorate (2010)
- Research
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Research Overview
Low carbon cement and construction material; mineral Carbon capture and utilization; clean energy technologies; waste valorization; waste plastics
Current Research
Post Doactoral Scholars:
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Dr Lei Zhang, Exchange academic from Northeast Electric Power University, China, under CSC.
- Dr Maria-Ara Carballo-Meilan (2018-19), Precipitated calcium Carbonate Products (OMYA RG 14551), 51cg
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Dr Mohsin A Raza (2022-23), Renewable energy integration in farming and agriculture (KT Associate) ANM Group and 51cg
Current PhDs:
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Ali Falah Al-Saedi. PhD in Chemical Engineering, Lead supervisor
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Nanbyen George Kim. PhD in Chemical Engineering, Lead supervisor
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Saman Hameed. PhD in Chemical Engineering, Lead supervisor
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Abdullahi Muhammad Mustapha. PhD in Chemical Engineering, Supervisor
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Rukayat Oyiza Salawu. PhD in Chemical Engineering, Lead supervisor
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Muhammad Tanweer Khan. MSc by Research in Engineering (distance learning)
Successful PhDs:
- Z. Zanna Ibrahim (2026). Development of thermally stable water-based drilling fluids with enhanced filtration properties for elevated temperature wells. PhD. Lead supervisor: H. Hamidi; co-supervisor: W. Afzal.
- T. W. Namaswa (2026). Optimization of biochar production from crop and forest residues for use as soil amendment and bioenergy for integrated climate action. PhD. Lead supervisor: D. Burslem; co-supervisors: J. Smith and W. Afzal.
- B. Bhattarai (2024). Aerobic biodegradation of xenobiotic and process optimisation with open mixed microbial cultures in sequencing batch and batch reactors. PhD. Lead supervisor: W. Afzal; co-supervisor: D. Dionisi.
- M. U. Azam (2024). Sustainable solutions for the chemical recycling of waste plastics to liquid fuels. PhD. Lead supervisor: W. Afzal; co-supervisor: I. Graça.
- L. McDonald (2022). Low carbon cements with precipitated calcium carbonate as sustainable supplementary cementitious material. PhD. Lead supervisor: W. Afzal.
- W. Pragot (2021). Mineral carbon capture and conversion into useful products: an experimental and ecological study. PhD. Lead supervisor: W. Afzal.
- M. M. Yassin (2021). Feasibility study of microwave-assisted swing adsorption for post-combustion carbon capture. PhD. Lead supervisor: C. Fernandez Martin; co-supervisor: W. Afzal.
- M. A. Raza (2020). Thermodynamics and transport properties of biomass-based chemicals for the applications in energy and environment. PhD. Lead supervisor: W. Afzal; co-supervisor: P. Hallett.
- P. Sidi (2018). Investigating the suitability of Eichhornia crassipes for use in drilling fluids. PhD. Lead supervisor: W. Afzal; co-supervisor: P. Hallett.
- D. Munir (2018). Catalytic hydrocracking of waste plastics to liquid fuels. PhD. Lead supervisor: M. R. Usman; co-supervisor: W. Afzal.
- M. S. Akram (2018). Kinetic study and reactor simulation of methylcyclohexane dehydrogenation reaction for a mobile power plant. PhD. Lead supervisor: M. R. Usman; co-supervisor: W. Afzal.
- G. A. R. Ramos (2018). Neuro-fuzzy based screening for EOR projects and experimental investigation of identified techniques in oilfield operations. PhD. Lead supervisor: L. Akanji; co-supervisor: W. Afzal.
- S. Y. Khawaja (2014). Factors influencing the extraction efficiency in a pulsed sieve-plate extraction column. PhD. Lead supervisor: N. A. Akhtar; co-supervisors: M. R. Usman and W. Afzal.
- M. I. Elnashar (2025) MSc by Research. Safety and risk assessment of green hydrogen production using PEM water electrolysis. Master by Research. Lead supervisor: H. Tan; co-supervisor: W. Afzal.
Past Research
Fluid-phase equilibria and thermophysical properties; conversion of lignocellulosic biomass to liquid fuels; applications of ionic liquids in chemical processes; Impact of sulphur species on oil and gas systems; gas hydrates; gas processing
Knowledge Exchange
Aberdeen Engineering Innovations Limited (Ab Enginns Ltd)
Co-Founder (Along with Prof Dionisi)
Carbon Capture Machine Limited (CCM UK)
Team member with Dr Imbabi, Sold by 51cg in 2023.Collaborations
Prof. Christophe Coquelet, Director of Process Thermodynamics, Department of Energy and Processes, École des Mines de Paris (MINES ParisTech)
Prof. Georgios Kontogeorgis, Department of Chemical and Biochemical Engineering, Technical University of Denmark
Prof. Paul Hallett, School of Biological Sciences, 51cg
Funding and Grants
Current and Recent External Grants
Grant ‘Add Your Value Application’ to European Commission: Successful £47,179 (Co-I along with several other colleagues). 2019-21
Grant 'Integral Process Optimization for Sustainable Offshore-Structure Dismantling Yard Operation Application', Royal Academy of Engineering: £79,934- (Co-with three other colleagues). 2019-2021
Grant, 'Carbon utilization in high-value precipitated calcium carbonate under low solid conditions' £100,000 PI, 2018- 2019
Scottish Funding Council through the Northern Research Partnership, Sulphur species in fuel products and environment, £4000, PI, 2016-2017
Scottish Funding Council, Micro wind turbine with carbon capture module, £5000 PI, 2015-2016
Travel Grant: Santander Mobility Grant, Raman spectroscopy in carbon capture, Visit of Germany, December 2016
Travel Grant: British Council Researcher Links, Renewable energy technology: future, opportunity, and challenges for the UK and Turkey, Istanbul 4-7 April 2016
Travel Grant: UK Carbon Capture and Storage Research Centre, CCS in the UK - Moving Forward, Manchester Biannual, Manchester 13-14 April 2016
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- Teaching
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Programmes
- Postgraduate, 3 stage, September start
- Postgraduate, 3 stage, January start
- Postgraduate, 3 stage, September start
- Postgraduate, 3 stage, January start
- Postgraduate, 3 year, September start
Courses
Teaching Responsibilities
Programme Design and Leadership
Programme Coordinator:
MSc Advanced Chemical Engineering
MSc Process Safety
Current Teaching
MSc: Separations & Product Purification (Coordinator and Contributor)
MSc: Safety & Risk Management (Contributor and Coordinator)
MSc: Human Factors Engineering (Contributor and Coordinator)
BEng/MEng: Biochemical Engineering (Contributor)
BEng/MEng: Chemical Engineering Design (Contributor)
MEng: Group Design Project in Chemical Engineering (Contributor)
BEng/MEng/MSc: individual Research Projects
Research Supervision
Personal Tutor
Teaching in the Recent Past
Process Risk Identification & Management
Energy Conversion and Storage
Advanced Process Dynamics and Control-Theory
Process Dynamics and Control-Theory
Process Instrumentation and Control-Lab
- Publications
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Page 1 of 4 Results 1 to 25 of 94
Engineering the microbial-electrochemical interface: synergistic of co-fe nano biochar composites for enhanced electron channelling to alter the metabolic pathway in light-driven biohydrogen production
Biochar, vol. 8, no. 1, 31Contributions to Journals: Articles- [ONLINE] DOI:
- [ONLINE]
Circular Management of Single-Use Polyolefins via Hydrocracking with Zeolite-Based Catalysts
Polymer Circularity in Sustainable Energy. Thomas, S., Ameduri, B., Thomas, J., Thomas, M. G. (eds.). 1 edition. ElsevierChapters in Books, Reports and Conference Proceedings: ChaptersAvailability and spatial distribution of crop and forest biomass residues for biochar production in Kenya
Scientific Reports, vol. 16, 11764Contributions to Journals: Articles- [ONLINE] DOI:
- [OPEN ACCESS]
Delignification of recycled fermentative residues to enhance biohydrogen production via hydrothermal and ethylene glycol thermal pretreatments: an approach towards zero-waste
Renewable Energy, vol. 257, 124733Contributions to Journals: Articles- [ONLINE] DOI:
- [ONLINE]
Performance comparison and sustainability assessment of mesoporous FAU zeolites for the plastic upcycling
Chemical Engineering Journal, vol. 527, 172045Contributions to Journals: Articles- [ONLINE] DOI:
- [OPEN ACCESS]
Systematic review using a semi-supervised bibliometric methodology for application in a precipitation process
Expert Systems with Applications, vol. 284, 127944Contributions to Journals: Articles- [ONLINE] DOI:
Double cations modified clinoptilolite enhancing the adsorption separation of CH4 and N2
Gas Science and Engineering, vol. 138, 205594Contributions to Journals: Articles- [ONLINE] DOI:
- [ONLINE]
The role of cross-linkers in the performance of anion exchange membrane for fuel cell applications
Colloids and Surfaces A: Physicochemical and Engineering Aspects, vol. 705, no. Part 1, 135561Contributions to Journals: Articles- [ONLINE] DOI:
- [ONLINE]
Unlocking the Structure-Activity Relationship of Hierarchical MFI Zeolites Towards the Hydrocracking of HDPE
Fuel, vol. 379, 132990Contributions to Journals: Articles- [ONLINE] DOI:
- [OPEN ACCESS]
Life Cycle Assessment Method Applied to a Carbon-Negative Energy Process
Encyclopedia of Renewable Energy Engineering. Blaabjerg, F. (ed.). 1st edition. ElsevierChapters in Books, Reports and Conference Proceedings: Chapters- [ONLINE]
Synergy of the heterojunction and defects engineering in Zr-doped TbFeO3@g-C3N4 photo-nanocatalyst towards enhanced visible-light-driven antibiotics degradation and H2 production
Composites Part B: Engineering, vol. 287, 111865Contributions to Journals: Articles- [ONLINE] DOI:
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Investigating the effects of nano-Fe₃O₄ and MWCNTs on the filtration and rheological properties of water-based muds at elevated temperature and pressure
Colloids and Surfaces A: Physicochemical and Engineering Aspects, vol. 701, 134912Contributions to Journals: Articles- [ONLINE] DOI:
- [OPEN ACCESS]
Performance of a novel waste heat-powered ionic liquid-based CO2 capture and liquefaction system for large-scale shipping
Chemical Engineering Journal, vol. 499, 155911Contributions to Journals: Articles- [ONLINE] DOI:
- [ONLINE]
Pore-structure Engineering of Hierarchical Beta Zeolites for the Enhanced Hydrocracking of Waste Plastics to Liquid Fuels
ACS Catalysis, vol. 14, no. 21, pp. 16148-16165Contributions to Journals: Articles- [ONLINE] DOI:
- [OPEN ACCESS]
- [ONLINE]
Biodegradation of glucose and paracetamol and process optimisation with open mixed microbial cultures in lab-scale sequencing batch reactors
Journal of Water Process Engineering, vol. 67, 106224Contributions to Journals: Articles- [ONLINE] DOI:
- [OPEN ACCESS]
Safety assessment of hydrogen production using alkaline water electrolysis
International Journal of Hydrogen Energy, vol. 84, pp. 803-821Contributions to Journals: Articles- [ONLINE] DOI:
- [OPEN ACCESS]
Insights into the development of greener mild zeolite dealumination routes applied to the hydrocracking of waste plastics
Applied Catalysis A: General, vol. 685, 119873Contributions to Journals: Articles- [ONLINE] DOI:
- [OPEN ACCESS]
Advancing Plastic Recycling: A Review on the Synthesis and Applications of Hierarchical Zeolites in Waste Plastic Hydrocracking
Catalysts, vol. 14, no. 7, 450Contributions to Journals: Articles- [ONLINE] DOI:
- [OPEN ACCESS]
Investigating the quantum size effects of multi-walled carbon nanotubes (MWCNTs) in photocatalytic fermentative biohydrogen production
Journal of Cleaner Production, vol. 449, 141738Contributions to Journals: Articles- [ONLINE] DOI:
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The Study of The Sealing Performance of Fibrous-Laden Drilling Fluid Over Simulated Lost Zone Under Overbalanced Pressure Conditions
Scientific Contributions Oil and Gas, vol. 47, no. 1, pp. 1-6Contributions to Journals: Articles- [ONLINE] DOI:
- [OPEN ACCESS]
- [ONLINE]
Maximizing the potential of biohydrogen production through cyclic photo fermentation: An approach towards zero waste
Energy Conversion and Management, vol. 304, 118234Contributions to Journals: Articles- [ONLINE] DOI:
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Plant Biomass Seed and Root Mucilage: Extraction and Properties
Plant Biomass Derived Materials: Sources, Extractions, and Applications. Sabu, T., Seiko, J., Sneha Sabu, M., Lata, S. (eds.). 1 edition. Wiley - VCH Verlag GmbH & CO. KGaA, pp. 141-158, 18 pagesChapters in Books, Reports and Conference Proceedings: Chapters- [ONLINE] DOI:
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Insights into the development of greener hierarchical zeolites applied to the hydrocracking of plastic waste
UK Catalysis Hub Winter ConferenceContributions to Conferences: PostersInsights into the development of greener hierarchical zeolites applied to the hydrocracking of plastic waste
Contributions to Conferences: Oral Presentations- [ONLINE]
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Comparison between batch aerobic biodegradation of paracetamol and glucose with open mixed microbial cultures: experimental data and kinetic modelling
Journal of Water Process Engineering, vol. 55, 10477Contributions to Journals: Articles- [ONLINE] DOI:
- [OPEN ACCESS]