level-one heading

Writers
Data Analysts
Consultants
Product Developers
Researchers
Why Kolabtree
Getting started is quick and easy. No upfront fees
It’s free to request a service and invite bids from experts
Discuss requirements with the expert in detail before accepting statement of work from Kolabtree
Collaborate with the expert directly to get your work done the right way
Fund project when you hire the expert, but approve the deliverables only once work is done
Want to hire this expert for a project? Request a quote for free.
Profile Details
Create Project
★★★★★
☆☆☆☆☆
USD 50 /hr
Hire Lanrewaju I. F.
Nigeria
USD 50 /hr

Chemical Engineer | TEA | LCA | Machine Learning Application

Profile Summary
Subject Matter Expertise
Services
Writing Technical Writing
Research Gap Analysis, Gray Literature Search
Data & AI Predictive Modeling, Statistical Analysis, Data Visualization, Big Data Analytics, Data Cleaning, Data Processing
Work Experience

Graduate Research Assistant / Research Assistant

Postharvest and Agroprocessing Research Centre (PARC)

May 2025 - December 2025

Teaching and Research Assistant

University of Johannesburg

June 2019 - June 2025

Research and Teaching Assistant

University of Johannesburg, South Africa

July 2019 - July 2024

Senior Programmer

Launchi Software Academy

April 2017 - December 2020

Education

PhD (Chemical Engineering)

University of Johannesburg

May 2021 - November 2025

Erasmus+ Student Exchange Program (Department of Energy)

Polytechnic University of Turin

February 2024 - May 2024

Master of Technology (Chemical Engineering)

University of Johannesburg, South Africa

April 2019 - March 2021

Bachelor of Technology

Ladoke Akintola University of Technology

October 2007 - November 2012

Certifications
Publications
JOURNAL ARTICLE
Rishen Roopchund, Lanrewaju Fajimi, Naadhira Seedat, Jerome Andrew (2025). Improving the thermal stability of fly ash-based geopolymer materials through cellulose nanocrystal reinforcement . Journal of Materials Science.
Vhukudo Hazel Singo, Lanrewaju Ibrahim Fajimi, Naadhira Seedat, Rishen Roopchund (2025). Synergistic Effects of Waste Tires, Plastic, and Biomass in Pyro-Oil Production . ACS Omega.
Roopchund, Rishen, Fajimi, Lanrewaju, Seedat, Naadhira, Andrew, Jerome (2025). Improving the thermal stability of fly ash-based geopolymer materials through cellulose nanocrystal reinforcement . Journal of Materials Science.
Lanrewaju I. Fajimi, Bilainu O. Oboirien, Thomas A. Adams (2024). Waste tyre gasification Processes: A bibliometric Analysis and comprehensive review . Fuel.
Olusola Olaitan Ayeleru, Lanre Ibrahim Fajimi, Matthew Adah Onu, Tarhemba Tobias Nyam, Sisanda Dlova, Victor Idankpo Ameh, Peter Apata Olubambi (2024). Estimating plastic waste generation using supervised time-series learning techniques in Johannesburg, South Africa . Heliyon.
Lanrewaju I. Fajimi, Bilainu O. Oboirien, Zainab T. Yaqub (2024). Modeling and Optimization of Nanomaterials Production Processes . Nanomaterials for Sustainable Hydrogen Production and Storage.
Ayeleru, Olusola Olaitan, Fajimi, Lanre Ibrahim, Onu, Matthew Adah, Nyam, Tarhemba Tobias, Dlova, Sisanda, Ameh, Victor Idankpo, Olubambi, Peter Apata (2024). Estimating plastic waste generation using supervised time-series learning techniques in Johannesburg, South Africa . Heliyon.
Fajimi, Lanrewaju I., Oboirien, Bilainu O., Adams II, Thomas A. (2024). Waste tyre gasification Processes: A bibliometric Analysis and comprehensive review . Fuel.
L. I. Fajimi, B. O. Oboirien (2023). A techno-economic study on the co-production of syngas and activated carbon from waste tyre gasification process . Journal of Material Cycles and Waste Management.
A.O. Arinkoola, A.B. Lawal, A.B. Lawal, J.O. Fatola, S.O. Alagbe, I.O. Akinwole, Lanrewaju I. Fajimi, Lanrewaju I. Fajimi (2023). Development of Empirical NMR Log-Derived Permeability Correlations Using Gaussian Process Regression and Robust Support Vector Machine Technique . Petroleum and Coal.
P. C. Kgwedi, N. Seedat, Lanrewaju I. Fajimi, B. Patel, B. O. Oboirien(2023). Techno-economic analysis of methanol synthesis from syngas derived from steam reforming of crude glycerol . Biomass Conversion and Biorefinery. Springer Science and Business Media {LLC}
Olusola Olaitan Ayeleru, Joshua Adeniyi Adeniran, Sula Bantubakhona Kwesi Ntsaluba, Lanrewaju Ibrahim Fajimi, Peter Apata Olubambi(2023). An Economic Analysis of Energy Consumption at Student Residences in a South African-Based Academic Institution Using NARX Neural Network . Energies. 16. (2). p. 942. {MDPI} {AG}
Kgwedi, P. C., Seedat, N., Fajimi, L. I., Patel, B., Oboirien, B. O. (2023). Techno-economic analysis of methanol synthesis from syngas derived from steam reforming of crude glycerol . Biomass Conversion and Biorefinery.
Fajimi, L. I., Oboirien, B. O. (2023). A techno-economic study on the co-production of syngas and activated carbon from waste tyre gasification process . Journal of Material Cycles and Waste Management.
Ayeleru, Olusola Olaitan, Adeniran, Joshua Adeniyi, Ntsaluba, Sula Bantubakhona Kwesi, Fajimi, Lanrewaju Ibrahim, Olubambi, Peter Apata (2023). An Economic Analysis of Energy Consumption at Student Residences in a South African-Based Academic Institution Using NARX Neural Network . Energies.
Lanrewaju I. Fajimi, J. Chrisostomou, BILAINU OBOIRIEN(2022). A techno-economic analysis (TEA) of a combined process of torrefaction and gasification of lignocellulose biomass (bagasse) for methanol and electricity production . Biomass Conversion and Biorefinery. Springer Science and Business Media {LLC}
Fajimi, L., I, Chrisostomou, J., Oboirien, B. O. (2022). A techno-economic analysis (TEA) of a combined process of torrefaction and gasification of lignocellulose biomass (bagasse) for methanol and electricity production . Biomass Conversion and Biorefinery.
Hlangwani, Edwin, Doorsamy, Wesley, Adebiyi, Janet Adeyinka, Fajimi, Lanrewaju Ibrahim, Adebo, Oluwafemi Ayodeji (2021). A modeling method for the development of a bioprocess to optimally produce <i>umqombothi</i> (a South African traditional beer) . Scientific Reports.
Hlangwani, E., Doorsamy, W., Adebiyi, J.A., Fajimi, L.I., Adebo, O.A.(2021). A modeling method for the development of a bioprocess to optimally produce umqombothi (a South African traditional beer) . Scientific Reports. 11. (1).
Ayeleru, O. O., Fajimi, L., I, Oboirien, B. O., Olubambi, P. A. (2021). Forecasting municipal solid waste quantity using arti fi cial neural network and supported vector machine techniques: A case study of Johannesburg, South Africa . Journal of Cleaner Production.
Ayeleru, O.O., Fajimi, L.I., Oboirien, B.O., Olubambi, P.A.(2021). Forecasting municipal solid waste quantity using artificial neural network and supported vector machine techniques: A case study of Johannesburg, South Africa . Journal of Cleaner Production. 289.
Fajimi, Lanrewaju I., Oboirien, Bilainu O., Adams II, Thomas A. (2021). Simulation studies on the co-production of syngas and activated carbon from waste tyre gasification using different reactor configurations . Energy Conversion and Management: X.
Fajimi, L.I., Oboirien, B.O., Adams, T.A.(2021). Simulation studies on the co-production of syngas and activated carbon from waste tyre gasification using different reactor configurations . Energy Conversion and Management: X. 11.
O.O. Ayeleru, L.I. Fajimi, B.O. Oboirien, P.A. Olubambi (2021). Soft Computing Applications in Municipal Solid Waste Forecast: A Short Review . Soft Computing Techniques in Solid Waste and Wastewater Management.
BOOK CHAPTER
Lanrewaju I. Fajimi, Bilainu O. Oboirien, Zainab T. Yaqub (2024). Modeling and Optimization of Nanomaterials Production Processes .
Lanrewaju Fajimi, Peter Akhator, Bilainu Oboirien (2024). Biomass gasification: Introduction and technologies . Reference Module in Materials Science and Materials Engineering.
O.O. Ayeleru, Lanrewaju I. Fajimi, B.O. Oboirien, P.A. Olubambi(2021). Soft Computing Applications in Municipal Solid Waste Forecast: A Short Review . Soft Computing Techniques in Solid Waste and Wastewater Management. p. 247--256. Elsevier
ONLINE RESOURCE
George Ngusale, Hlologelo Kekana, LANREWAJU FAJIMI, Mpho Mataboge, Noreen Kidunduhu, Penny Mathumba, Alvin Tepo Togba (2022). THE SOUTH AFRICAN POWER SECTOR - COUNTRY REPORT . Energypedia.
CONFERENCE PAPER
Lanrewaju Ibrahim Fajimi, Oboirien B.O., Chrisostomou J. (2022). A Simulation Study of the Combined Process of Torrefaction and Gasification of Lignocellulose Biomass (Bagasse) for Syngas and Methanol Production . 1st Sustainable Bioenergy and Process Conference.
CONFERENCE ABSTRACT
Akintola A.T., Masebinu S.O., Akinlabi E.T., Lanrewaju Ibrahim Fajimi (2019). Predicting the Yield of Biochar with Multivariate Linear Regression and Two-Factor Interaction Models . ESI-Group 2019 Scilab Conference.