- Faculty of Engineering
- Department of Chemical and Process Engineering
- Senior Lecturer Grade II
CV
Contact information
Univerity of Moratuwa
Katubadda
Moratuwa
Sri Lanka
Teaching and Administrative Activities
Senior Treasurer- Chemical Engineering Students Society -Collaborates with other student government members, DCPE and administration to align financial plans with society goals. Further, involved in fundraising activities, grant applications and maintaining transparency in financial matters. (2023 To date)
Faculty Orientation Committee -Participating planing and realization of EFac inauguration and orientation of freshers (2023 To date)
Conference Chair-ChemEICon2025 -Chairing the conference (2025 To 2025)
MSc-ECE ProgramCoordinator -Program coordination work (2025 To date)
Research Activities
Membrane Technology
Energy and Environmental Engineering
Chemical & Process Engineering
Water/Wastewater treatment
Education and Professional Affiliations
PhD, Nanyang Technological University ,2020
Bachelors, University of Moratuwa ,2015
The Institute of Engineers Sri Lanka(2025 To date)
Sri Lanka Association for the Advancement of Science(2025 To date)
Career
Workshop/Training
· University of Kelaniya, Sri Lanka – University Teacher Training Unit, Six (06) Months Induction Training on Teaching in Universities and Higher Educational Institutes
· On-line Training of SAARC Professional on Small, Mini and Micro Hydro Power Generation 13 - 17 September 2021
· Workshop on Challenge Driven Learning – EUSL Energy in Circular Economy project from 22nd to 24th August 2022 at Open University of Sri Lanka
· Curriculum Development Workshop Waste Treatment Valorization Education in Sri Lanka (EUSL-TESS) 04 - 08 April 2022, Galadari Hotel, Colombo, Sri Lanka
· MerCon 2023-Pannelist Chemical and Process Engineering Track on 09th November 2023, University of Moratuwa
Consultancy Projects
· Rehabilitation and Augmentation of Embilipitiya Paper Mill –Environmental Impact Assessment- Through Uni Consultancy Services 2020
· Recommendation for Troubleshooting the Seawater Desalination (SWRO) Plant at Negambo for National Water Supply and Drainage Board – 2021 (free service, individual)
· Xpress Pearl Damage Assessment – under the subgroup of Fate of Chemicals as sea modeling and assessment
· Recommendations for Environment laboratory development at University of Kelaniya, (environmental technology laboratory that supports the current and emerging teaching and learning methodologies in the Engineering technology discipline is established in the proposed laboratory building, considering the appropriateness of the layouts of the laboratory, specifications of the equipment and the provision of necessary laboratory services, consultancy assignment is to ensure that a modern and cost-effective)
· TEC member appointed by University of Moratuwa for recommendations regarding the compliance of the grease manufacturing plant established by Prista Oil Holding EAD (represented by Desha Shakthi Private Limited in Sri Lanka) with the minimum requirements specified in Annex 01 issued by the Ministry of Energy, Sri Lanka. (2025)
Honours and Awards
Publications*
R.A.S.W Rajapaksha L.G. Balasooriya,".Upcycling of Acrylonitrile Butadiene Styrene (ABS) waste into Membranes for Wastewater Treatment.",Research Week 2025,University of Moratuwa,2025,
Imesha R. Samarathunga, Jayantha Epaarachchi , G.S.M.D.P. Sethunga , Madhubhashitha Herath ,".Acrylonitrile Butadiene Styrene (ABS) membrane for Air Filtration.",11th Australasian Congress on Applied Mechanics ,Brisbane, Australia,2024,
Aymmugan Aynkaran, Shazni Ahamed G.S.M.D.P. Sethunga,".Modelling and Economic analysis of Recovering Acetonitrile from Wastewater using Adsorption and Membrabe Pervaporation.",9th International Symposium on Advances in Civil and Environmental Engineering Practices for Sustainable Development (ACEPS-2023),Faculty of Engineering, University of Ruhuna,2023,121-128
Chandrarathna AHMHG Weerakoon SJ GSMDP Sethunga,".Effect of Filler Materials in Urea Formaldehyde Adhesives used in Wood Composite Manufacturing Industry.",ChemEcon 2023,Department of Chemical and Process Engineering, University of Moratuwa,2023,
S K Edirisinghe G S M D P Sethunga A S K Warahena M Narayana G L S A Samarakoon,".A case study on the need assessment for innovating a new curriculum for the Engineering Technology Undergraduate Studies.",National Engineering Research Symposium,Virtual,2022,
GSMDP Sethunga W Rong TH Bae ,".Maximizing Methane Recovery using a Membrane Contactor Process from Anaerobic Effluents: Role of composite membranes.",Engineering with Membrane,Sweden,2019,
Imesha Samarathunga, G. S. M. D. P. Sethunga, Jayantha Epaarachchi, Madhubhashitha Herath, S.G.J. Perera, Ash Exner & Raj Das ,".Synthesis of chemically resistant polybenzimidazole membrane via green phosphoric acid crosslinking for efficient separation of selective flavonoids from citrus waste.",International Journal of Smart and Nano Materials,17/1,2026
Dulanji Imalsha Abeysuriya Dilhara Sethunga Mahinsasa Rathnayake,".Process simulation–based scenario analysis of scaled-up bioethanol production from water hyacinth.",Biomass Conversion and Biorefinery,,2023
GSMDP Sethunga, HE Karahan, R Wang, TH Bae ,".Wetting-and fouling-resistant hollow fiber membranes for dissolved methane recovery from anaerobic wastewater treatment effluents.",Journal of Membrane Science,617,2021
THB Yechan Lee,Kang Hee Yun, G.S.M.D.P. Sethunga,".Membrane Contactors for Maximizing Biomethane Recovery in Anaerobic Wastewater Treatments: Recent Efforts and Future Prospect.",Applied Sciences,11,2021
SASC Samarasinghe, CY Chuah, HE Karahan, GSMDP Sethunga, TH Bae,".Enhanced O2/N2 Separation of Mixed-Matrix Membrane Filled with Pluronic-Compatibilized Cobalt Phthalocyanine Particles.",Membranes,10,2020
GSMDP Sethunga, J Lee, R Wang, TH Bae,".Influences of operating parameters and membrane characteristics on the net energy production in dense, porous, and composite hollow fiber membrane contactors for dissolved biomethane recovery.",Journal of Membrane Science,610,2020
W Rongwong, K Goh, GSMDP Sethunga, TH Bae,".Fouling formation in membrane contactors for methane recovery from anaerobic effluents.",Journal of Membrane Science, 573,2019
S Samarasinghe, CY Chuah, W Li, GSMDP Sethunga, R Wang, TH Bae,".Incorporation of CoIII acetylacetonate and SNW-1 nanoparticles to tailor O2/N2 separation performance of mixed-matrix membrane.",Separation and Purification Technology ,223,2019
CY Chuah, W Li, S Samarasinghe, GSMDP Sethunga, TH Bae,".Enhancing the CO2 separation performance of polymer membranes via the incorporation of amine-functionalized HKUST-1 nanocrystals.",Microporous and Mesoporous Materials,290,2019
GSMDP Sethunga, HE Karahan, R Wang, TH Bae,".PDMS-coated porous PVDF hollow fiber membranes for efficient recovery of dissolved biomethane from anaerobic effluents.",Journal of Membrane Science,584,2019
G.S.M.D.P.Sethunga, Jaewoo Lee, Rong Wang, Tae-Hyun Bae,".Influence of membrane characteristics and operating parameters on transport properties of dissolved methane in a hollow fiber membrane contactor for biogas recovery from anaerobic effluents.",Journal of Membrane Science,589,2019
G.S.M.D.P. Sethunga, W. Rongwong, R. Wang, TH Bae,".Optimization of hydrophobic modification parameters of microporous polyvinylidene fluoride hollow-fiber membrane for biogas recovery from anaerobic membrane bioreactor effluent.",Journal of Membrane Science,548,2018
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