Academic Building (B3)-Room 108
Department of Civil and Environmental Technology
Faculty of Technology
University of Sri Jayewardenepura
Mahenwatte, Pitipana North
Homagama 10200
Sri Lanka

Email: udara@sjp.ac.lk

Dr. Udara S.P.R. Arachchige, a Chemical Engineer, received his Bachelor of Science (B.Sc) Engineering degree in Chemical Engineering (2007) from the University of Moratuwa, Sri Lanka, his M.Sc in Energy and Environmental Engineering (2010) at University of South Eastern Norway, Norway and his Ph.D. in Process Modelling and Optimization in Carbon dioxide capture (2014) at University of South Eastern Norway, under the supervision of Professor Morten Christian Melaan. In 2014, Dr. Udara Arachchige joined the Yara Maritime International company as a Chemical Engineer in Oslo, Norway. He returned to Sri Lanka in 2015 and joined with Lalan Engineering as a Chemical Engineer and year 2019 January joined the Department of Civil and Environmental Technology in the Faculty of Technology at the University of Sri Jayewardenepura, Sri Lanka as a senior Lecturer.

Research Keywords: Air Pollution Control, Modeling and Simulation, CO2 Capture and Sequestration, Biofuel and Bioenergy, Gas Absorption

Energy Optimization, Renewable energy, Bio diesel production and operation, Boiler operation and energy optimization, Agro wastes for biomass briquetting, Alternative energy sources, Air Pollution control

1. Miyuranga, K.A.V.; Arachchige, U.S.P.R.; Marso, T.M.M.; Samarakoon, G. Biodiesel Production through the Transesterification of Waste Cooking Oil over Typical Heterogeneous Base or Acid Catalysts. Catalysts 2023, 13, 546. https://doi.org/10.3390/ catal13030546

2. K.A. Viraj Miyuranga, B.M.C.M. Balasuriya, Udara S.P.R. Arachchige, Randika A. Jayasinghe and Nuwan A. Weerasekara, Production of Biodiesel in the Presence of Co-Solvents in Transesterification: A Review, Asian Journal of Chemistry; Vol. 35, No. 02 (2023), 254-276. https://doi.org/ 10.14233/ajchem.2023.24009

3. U.S.P.R. Arachchige†, K.A. Viraj Miyuranga, D. Thilakarathne, R. A. Jayasinghe and N. A. Weerasekara, Impact of the Chemical Composition of Oil for Biodiesel Production to Reduce Environmental Pollution, Nature Environment and Pollution Technology, 21(4), 2022, 1681-1687. https://doi.org/10.46488/NEPT.2022.v21i04.021

4. K.A. Viraj Miyuranga, B.M.C.M. Balasuriya, Udara S.P.R. Arachchige, Randika A. Jayasinghe and Nuwan A. Weerasekara, Comparison of Performance of Various Homogeneous Alkali Catalysts in Transesterification of Waste Cooking Oil, Asian Journal of Chemistry; Vol. 34, No. 12 (2022), 3157-3161. https://doi.org/10.14233/ajchem.2022.23849

5. Miyuranga, K.A.V.; Arachchige, U.S.P.R.; Jayasinghe, R.A.; Samarakoon, G. Purification of Residual Glycerol from Biodiesel Production as a Value-Added Raw Material for Glycerolysis of Free Fatty Acids in Waste Cooking Oil. Energies 2022, 15, 8856. https://doi.org/10.3390/en15238856

6. K.A. Viraj Miyuranga, B.M.C.M. Balasuriya, Udara S.P.R. Arachchige, Randika A. Jayasinghe and Nuwan A. Weerasekara, A Comparative Analysis of Impact of Hexane, Diethyl Ether, Toluene and Acetone on Biodiesel Transesterification Process, Asian Journal of Chemistry; Vol. 34, No. 10 (2022), 2545-2550. DOI: 10.14233/ajchem.2022.23794

7. S.J. De Silva, Udara S.P.R. Arachchige and A.H.L.R. Nilmini, Comparative Study of Bioethanol Production from Waste Banana Fruits and Grape Fruits, Asian Journal of Chemistry; Vol. 34, No. 9 (2022), 2253-2256. https://doi.org/10.14233/ajchem.2022.23770

8. K.A. Viraj Miyuranga, Udara S.P.R. Arachchige, S.J. De Silva, Randika A. Jayasinghe and Nuwan A. Weerasekara, Comparison of the Properties of Biodiesel-Bioethanol-Diesel Blended Fuel, Asian Journal of Chemistry; Vol. 34, No. 7 (2022), 1809-1813. DOI: 10.14233/ajchem.2022.23767

9. S. H. M. Sajath, A. R. Nihmiya and U. S. P. R. Arachchige, Handling the Sludge When Using Polyaluminum Chloride as a Coagulant in the Potable Water Treatment Process, Nature Environment and Pollution Technology, 21(2), 2022, 617-624. DOI:10.46488/NEPT.2022.v21i02.020

10. Udara S.P.R. Arachchige, Balasuriya B.M.C.M, K.A. Viraj Miyuranga, Danushka Thilakarathne, Nuwan A. Weerasekara, Randika A. Jayasinghe, Production of Biodiesel Using Acetone as a Co Solvent, International Journal of Scientific Engineering and Science, Volume 6, Issue 2, pp. 52-56, 2022.

11. K.A. Viraj Miyuranga, Udara S.P.R. Arachchige, Danushka Thilakarathne, Randika A. Jayasinghe and Nuwan A. Weerasekara, Effects of Physico-Chemical Properties of the Blended Diesel and Waste Cooking Oil Biodiesel, Asian Journal of Chemistry; Vol. 34, No. 2 (2022), 319-323. DOI: 10.14233/ajchem.2022.23502

12. S.J. De Silva, Udara S.P.R. Arachchige, and A.H.L.R. Nilmini, Production of Bioethanol using Waste Fruits under Acid and Alkali Catalytic Hydrolysis: A Review, Asian Journal of Chemistry; Vol. 34, No. 1 (2022), 25-34. DOI: 10.14233/ajchem.2022.23466

13. D.M.C.O. Ranaraja, K.A. Viraj Miyuranga, Nuwan A. Weerasekara and Udara S.P.R. Arachchige. 2022. “Palm Oil Sludge as a Binding Agent for Briquette Production”. International Journal of Scientific Engineering and Science. 6(9): 39-42.

14. S.J. De Silva, K.A. Viraj Miyuranga, B.M.C.M Balasuriya, Udara S.P.R. Arachchige, Randika A. Jayasinghe, Nuwan A. Weerasekara, A.H.L.R. Nilmini, Utilization of Waste Banana for Bioethanol Production to Replace Methanol in Biodiesel Process, “. International Journal of Scientific Engineering and Science. 6(12): 09-13.

15. K.A. Viraj Miyuranga, Udara S.P.R. Arachchige, Parami P.R. Hettiarachchi, Nuwan A. Weerasekara, Randika A. Jayasinghe, Gamunu Samarakoon. Performance Evaluation of Waste Chicken Eggshell and Waste Seashell as a Heterogeneous Catalyst for Biodiesel Production, International Journal of Scientific Engineering and Science, Volume 7, Issue 4, pp. 05-13, 2023.

16. K.A. Viraj Miyuranga, Udara S.P.R. Arachchige, B.M.C.M. Balasuriya, Randika A. Jayasinghe and Nuwan A. Weerasekara. 2022. “A Comparative Study of the Impact of the Stirrer Design for Biodiesel Production”. International Journal of Scientific Engineering and Science. 6(6): 34-38.

17. Udara S.P.R. Arachchige, K.I. Achintha Wijenayake, Height of the Chimney for an Industrial Boiler, Poll Res. 41 (3) : 783-787 (2022), http://doi.org/10.53550/PR.2022.v41i03.003

18. Udara S.P.R. Arachchige, K.I. Achintha Wijenayake, K.A. Viraj Miyuranga, Danushka Thilakarathne, Nuwan A. Weerasekara, Randika A. Jayasinghe, Potential Utilization of Waste Cooking Oil in Sri Lanka: Policy Implementation, International Journal of Scientific Engineering and Science, Volume 5, Issue 11, pp. 01-05, 2021.

19. U.S.P.R. Arachchige†, K.A. Viraj Miyuranga, D. Thilakarathne, R. A. Jayasinghe and N. A. Weerasekara, Biodiesel-Alkaline Transesterification Process for Methyl Ester Production, Nature Environment and Pollution Technology, 20(5), 2021, 1973-1980. DOI:10.46488/NEPT.2021.v20i05.013

20. Udara S.P.R. Arachchige, Briquettes Production as an Alternative Fuel, Nature Environment and Pollution Technology, 20 (4), 1661-1668, 2021. DOI: 10.46488/NEPT.2021.v20i04.029

21. Danushka Thilakarathne, K.A. Viraj Miyuranga, Udara S.P.R. Arachchige, Nuwan A. Weerasekara, Randika A. Jayasinghe, Catalysts for Biodiesel Production: A Review, Asian Journal of Chemistry; Vol. 33, No. 9 (2021), 1985-1999. https://doi.org/10.14233/ajchem.2021.23332

22. K.A. Viraj Miyuranga, U.S.P.R. Arachchige, R.A. Jayasinghe, N.A. Weerasekara, 2023. “Pilot plant designing and implementation for biodiesel production”. Journal of Research Technology and Engineering. 4(1):1–10.

23. Danushka Thilakarathne, K.A. Viraj Miyuranga, Udara S.P.R. Arachchige, Nuwan A. Weerasekara, and Randika A. Jayasinghe. 2021. “Production of Biodiesel from Waste Cooking Oil in Laboratory Scale: A Review”. International Journal of Scientific Engineering and Science. 5(6): 28-34.

24. Udara S.P.R. Arachchige, K.L.T. Sathsara, Probodhi Preethika, K.A. Viraj Miyuranga, S.J. De Silva, Danushka Thilakarathne, The Impact of Shipping on Marine Environment – A Study of Sri Lankan Water Ways, International Journal of Scientific Engineering and Science, Volume 5, Issue 7, pp. 30-38, 2021.

25. Udara S.P.R. Arachchige, K.L.T. Sathsara, Probodhi Preethika, K.A. Viraj Miyuranga, R.K.M.D Supun Harshana, Siriwardena M.B.D.K, Chiran D.M.O. Ranaraja, Dissanayaka D.K, Jayathilake S.A.P.U.M. 2021. “Immediate Actions to Minimize the Impact of COVID-19 on Education”. International Journal of Multidisciplinary Research and Publications 4(2): 25-34.

26. Udara S. P. R. Arachchige, Kohilan Rasenthiran, Lakshan M.A.L, Lakshitha Madalagama M. K, Prabhath Pathirana P.R, Sakuna Sandupama P.W, Simulation of carbon dioxide capture for industrial applications, Energy Reports 6, (2020), 659-663. https://doi.org/10.1016/j.egyr.2019.11.134

27. R.T. Wadanambi, L.S. Wandana, K.K.G.L. Chathumini, N.P. Dassanayake, D.D.P. Preethika, Udara S.P.R. Arachchige, The effects of industrialization on climate change, J. Res. Technol. Eng. 1 (4), 2020, 86-94.

28. Arachchige U.S.P.R., Amines’ effect on CO2 removal efficiency, International Journal of Research, Volume 06 Issue 03, 2019, 775-779.

29. Arachchige U.S.P.R, Rasenthiran K, Lakshan M.A.L, Lakshitha M.M.K, Prabhath P. P. R, Sakuna S.P.W, The Potential of Biogas from Apple Juice, International Journal for Research and Development in Technology, Volume 11, Issue 4, 2019, 454-468.

30. Arachchige U.S.P.R, Rasenthiran K, Lakshan M.A.L, Lakshitha M.M.K, Prabhath P. P. R, Sakuna S.P.W, Multiphase flow regime transition in vertical flow, South Asian Journal of Research in Engineering Science and Technology, Volume 4, Issue 5, 2019, 001-023.

31. Arachchige U.S.P.R, Sakuna S.P.W. Alternative fuel for biomass boilers in Sri Lanka, International Journal of Chemical Studies, Volume 07, Issue 03, 2019, 729-733.

32. Arachchige U.S.P.R., Singh B., Prajapati K., Melaaen M.C. Dynamic Viscosity of Partially Carbonated Aqueous Monoethanolamine (MEA) from (20 to 150) °C. Applied Chemical Engineering (2019) 2(2), 1-9. DOI: http://dx.doi.org/10.24294/ace.v1i2.660

33. Arachchige U.S.P.R., Kawan D., Melaaen M.C. Simulation of carbon dioxide capture for aluminium production process. International Journal of Modeling and Optimization, 2014, 4, No. 1: 43-50.

34. Adhikari A., Arachchige U.S.P.R., Dotel U.R., Pokhrel R., Melaaen M.C. Role of solar flat plate collectors in reducing greenhouse gases in Nepal. IEEE CONFERENCE PUBLICATIONS, 2014, Page(s): 1- 4. DOI: 10.1109/IREC.2014.6827024
35. Arachchige U.S.P.R., Kawan D., Tokheim L.A., Melaaen M.C. Waste heat utilization for CO2 capture in the cement industry. International Journal of Modeling and Optimization, 2014, 4, No. 6: 438-442.

36. Arachchige U.S.P.R., Singh B., Prajapati K., Melaaen M.C. Viscosities of Aqueous Solutions of Monoethanolamine (MEA), Diethanolamine (DEA) and N-Methyldiethanolamine (MDEA) at T = (90-150) °C. Annual Transactions – The Nordic Rheology Society 2014, 2014, Volume 22.

37. Arachchige U.S.P.R., Aryal N., Ghimire P., Halstensen M., Melaaen M.C. Multivariate data analysis for parameters effect on CO2 removal efficiency. Energy Procedia, 2013, Volume 37: 2011-2020. https://doi.org/10.1016/j.egypro.2013.06.081

38. Arachchige U.S.P.R., Kawan D., Tokheim L.A., Melaaen M.C. Model Development for CO2 Capture in the Cement Industry. International Journal of Modeling and Optimization, 2013, 3, No. 6: 535-540.

39. Arachchige U.S.P.R., Melaaen M.C. Alternative solvents for post combustion carbon capture. International Journal of Energy and Environment, 2013, 4, No. 3: 441-448.

40. Arachchige U.S.P.R., Nair J.U., Muhammed M., Halstensen M., Melaaen M.C. Multivariate Data Analysis for Identification of Important Parameters on Re-Boiler Duty in a Post-Combustion Chemical Absorption Process. European Journal of Scientific Research, 2013, 95, No. 2: 289-302.

41. Arachchige U.S.P.R., Muhammed M., Melaaen M.C. Optimized CO2 flue gas separation model for a coal fired power plant. International Journal of Energy and Environment, 2013, 4, No. 1: 39-48.

42. Arachchige U.S.P.R., Kawan D., Tokheim L.A., Melaaen M.C. Impact of kiln thermal energy demand and false air on cement kiln flue gas CO2 capture. International Journal of Energy and Environment, 2013, 5, No. 1: 45-52.

43. Arachchige U.S.P.R., Kawan D., Melaaen M.C. New Model Configuration for Post Combustion Carbon Capture. International Journal of Modeling and Optimization, Vol. 3, No. 1, February 2013, 41-45.

44. Arachchige U.S.P.R., Melaaen M.C. Aspen Plus Simulation of CO2 Removal from Coal and Gas Fired Power Plants. Energy Procedia, 2012, 23: 391–399. https://doi.org/10.1016/j.egypro.2012.06.060

45. Arachchige U.S.P.R., Melaaen M.C. Selection of Packing Material for Gas Absorption. European Journal of Scientific Research, 2012, 87, No. 1: 117-126.

46. Arachchige U.S.P.R., Aryal N., Eimer D.A., Melaaen M.C. Viscosities of pure and aqueous solutions of monoethanolamine (MEA), Diethanolamine (DEA) and N-Methyldiethanolamine (MDEA). Annual Transactions – The Nordic Rheology Society 2012, 2012, Volume 21.

47. Arachchige U.S.P.R., Muhammed M., Melaaen M.C. Optimization of post combustion carbon capture process-solvent selection. International Journal of Energy and Environment, 2012, 3, No. 6: 861-870.

48. Arachchige U.S.P.R., Muhammed M., Melaaen M.C. Optimized Carbon Dioxide Removal Model for Gas Fired Power Plant. European Journal of Scientific Research, 2012, 86, No. 3: 348-359.

1. Udara S.P.R. Arachchige, Reduction of NOx Emissions from Exhaust Gases by DeNOx Technology, AkiNik Publications, India, 2019.
ISBN: 978-93-5335-597-5

2. Udara S. P. R. Arachchige, Carbon Dioxide Capture by Chemical Absorption: Energy Optimization and Analysis of Dynamic Viscosity of Solvents, University of South-Eastern Norway, 2019.
ISNB: 978-82-7206-515-6

3. Udara S.P.R. Arachchige, Boiler Operation and Maintenance Technology, Nine Publishing, Sri Lanka, 2020.
ISBN: 978-955-7688-26-8

4. Udara S.P.R. Arachchige, S.J. Ranaweera, A.A.L.T. Ampemohotti, Spices and Herbs, Nine Publishing, Sri Lanka, 2020.
ISBN: 978-955-7688-30-5

5. Sampath Arachchige, Mathematics-Grade 6, Susara Publications, Sri Lanka 2018
ISBN: 978-955-33-0736-1

6. Sampath Arachchige, Mathematics-Grade 8, Susara Publications, Sri Lanka 2018
ISBN: 978-955-33-0735-4

7. Sampath Arachchige, Mathematics-Grade 9, Susara Publications, Sri Lanka 2018
ISBN: 978-955-33-0892-4

1. Arachchige U.S.P.R., Jayarathna S.A., Melaaen M.C. Comparison of temperature profiles in CO2 removal process with Aspen Plus and MATLAB. The 36th Clear water clean coal conference, Florida, USA, 2011, 3-7 June.

2. Arachchige U.S.P.R., Melaaen M.C. Blended Amines’ Effect on Post Combustion CO2 Capture Process. Proceedings of the 2nd International Conference on Environmental Pollution and Remediation, Montreal, Quebec, Canada, 2012, 28-30 August.

3. Arachchige U.S.P.R., Aryal N., Melaaen M.C. Case study for flue gas separation of a coal fired power plant and parameters’ effect on removal efficiency. APCRE’11 chemical engineering symposium, Beijing, China, 2011, 18-21 September.

4. Sampath P.R.A.U., Samarakoon S.P.A.G.L., Ismail F. M., Gunawardena S.H.P. Biodiesel production from high FFA non edible oil. Proceedings of the 14th ERU Symposium, 2008: Faculty of Engineering, University of Moratuwa, Sri Lanka.

5. Arachchige U.S.P.R., Aryal N., Melaaen M.C. CO2-flue gas separation for a gas-fired power plant, Tenth ANNUAL CONFERENCE ON CARBON CAPTURE AND SEQUESTRATION, 2011, Pittsburg, USA

6. Udara S. P. R. Arachchige, Kohilan Rasenthiran, Lakshan M.A.L, Lakshitha Madalagama M. K, Prabhath Pathirana P.R, Sakuna Sandupama P.W, Simulation of carbon dioxide capture for industrial applications, The 5th International Conference on Renewable Energy and Development ICRED 2019 September 20-23, 2019 | Okinawa, Japan.

7. Udara S. P. R. Arachchige, Kohilan Rasenthiran, THE DEVELOPMENT OF A CONCEPTUAL MODEL OF STUDENT SATISFACTION FOR SRI LANKAN HIGHER EDUCATION, 28th ICTEL 2019 – International Conference on Teaching, Education & Learning, 26-27 December, Kuala Lumpur.