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Dr. David Oluwasegun Afolayan

DR. DAVID

Lecturer II

Specialization: Material characterisation, materials and

Minerals (baryte) processing, chemical Processing, heavy metal

Contamination and mining risks assessments, safety and

remediation of the mines

 

Qualification:

B. Eng. Chemical Engineering (clay minerals) – University of Abuja, Abuja, F.C.T., Nigeria.

M. Sc. Materials Science and Engineering (Baryte ores) – African University of Science and Technology (AUST), Abuja, Nigeria

PhD. Materials Science and Engineering (Baryte ores) - African University of Science and Technology (AUST), Abuja, Nigeria

 

Email: dafolayan@staff.aust.edu.ng

Google Scholar Profile: https://scholar.google.com/citations?user=kyyh-psAAAAJ&hl=en&oi=ao

 

Courses (Being taught at AUST):

  • GET 207 – Applied Mechanics
  • MEE 315 – Control Systems
  • GET 204 – Engineering Materials
  • GET 203 – General Engineering Laboratory

 

Recent Publications (years wise)

2022

  • Afolayan, D.O., Komadja, G.C. & Onwualu, A.P. Physico-chemical studies and mineralogical characterisation of clays for ceramic raw materials. Arab J Geosci 15, 1453 (2022 August). https://doi.org/10.1007/s12517-022-10716-z

 

2021

  • Afolayan, D.O., Adetunji, A.R., Onwualu, A.P. et al. Characterization of barite reserves in Nigeria for use as weighting agent in drilling fluid. J Petrol Explor Prod Technol 11, 2157–2178 (2021, April). https://doi.org/10.1007/s13202-021-01164-8
  • Afolayan, D.O.; Onwualu, A.P.; Eggleston, C.M.; Adetunji, A.R.; Tao, M.; Amankwah, R.K. Safe Mining Assessment of Artisanal Barite Mining Activities in Nigeria. Mining 2021 (September), 1, 224-240. doi: 10.3390/mining1020015
  • Afolayan, D.O.; Eggleston, C.M.; Onwualu, A.P.; Adetunji, A.R.; Tao, M.; Amankwah, R.K. Physicochemical Studies for Risk Identification, Assessment , and Characterization of Artisanal Barite Mining in Nigeria. Sustainability 2021, 13, 12982. https://doi.org/10.3390/su132312982
  • Komadja, Gbétoglo Charles, Sarada Prasad Pradhan, Afolayan David Oluwasegun, Amulya Ratna Roul, Tido Tiwa Stanislas, Raoul Adéniyi Laibi, Babatunde Adebayo, and Azikiwe Peter Onwualu. "Geotechnical and geological investigation of slope stability of a section of road cut debris-slopes along NH-7, Uttarakhand, India." Results in Engineering (2021, June): 100227.

 

Conference Papers in 2023

  • Afolayan, D.O., Onwualu, A.P., Attah, I.B., Yusuf A.O., Olajuyi, S., Ayuk C., Ogunmodimu S.O., Adetunji, R.A., Wear Resistance and Fracture Toughness Behaviour of Baryte Mining Tools: A Review, presented at the International Conference on Solid Minerals Research, Technology and Policy, between November 29-30, 2023
  • Adamu, H.A., Afolayan, D.O.,  Alade-Yakubu, N.A., Ayuk C., Ogunmodimu, S.O., The Gaps in Mineral Processing Research in Nigeria: A Case Study of Barite Processing, presented at the International Conference on Solid Minerals Research, Technology and Policy, between November 29-30, 2023
  • Afolayan, D.O., Adamu, H.A., Alade, N.Y., Onwualu, A.P., Ayuk C., Ogunmodimu S.O., Eggleston C.M., Adetunji, R.A., Tao M., Amankwah, R.K., Gravity Concentration of Baryte-based Middling Particles using Home-Built Laboratory-Scale Mineral Jig, presented at the International Conference on Solid Minerals Research, Technology and Policy, between November 29-30, 2023
  • Afolayan, D.O., Adamu, H.A., Alade, N.Y., Ayuk C., Ogunmodimu S.O.,  Adetunji, A. R., Assessment of Baryte Ore Mining – Based Contamination, Associated Health Consequences and Environmental Remediation, presented at the International Conference on Solid Minerals Research, Technology and Policy, between November 29-30, 2023
  • Afolayan, D.O., Adamu, H.A., Alade-Yakubu, N.A., Ayuk, C., Ogunmodimu, S.O., Adetunji, A. R., Material Properties –  Relationship of Baryte Mineral as a Weighting Agent in Drilling Mud and other Industrial Applications, presented at the International Conference on Solid Minerals Research, Technology and Policy, between November 29-30, 2023

 

Notable achievements:

 

  • Principal Investigator, Junior Investigative Research Award (JIRA) Grant (provided by the World Bank and African Govts.)
  • Acting Head of Department, Mechanical Engineering, AUST, Abuja, Nigeria
  • Head, DAF Minerals and Materials Research Group   
  • Lead Consultant & Head, Afrimaterials and Ores Consults Ltd (RC:1911125), Kuje, Abuja, Nigeria (March 2022 – till date)
  • Executive Secretary, Regional Scholarship Innovation Fund (RSIF) Alumni Network  Oct. 2022
  • International Visiting Scholar, Worcester Polytechnic Institute (WPI), Worcester, MA, USA (2019-2021, 2023-2024)
  • Affiliate Research Associate, Worcester Polytechnic Institute (WPI), Worcester, MA, USA (2021-2022)
  • Junior Investigation Research Award (JIRA) – RSIF Postdoctoral Grant Award (May 2023 – April 2025)
  • Worcester Polytechnic Institute (WPI) – Global Fund Fellowship, Worcester, USA, 2019
  • Petroleum Technology Development Fund (PTDF) Scholarship Award, 2018
  • Regional Scholarship Innovation Fund (RSIF) – World Bank Scholarship (4 years) 2018 – 2022
  • Pan African Material Institute (PAMI) offer of Research Grant, 2017
  • African Development Bank’s AUST Scholarship, 2016
  • Governor’s Merit Award, Edo State, Nigeria, 2015