R. Thivyatharsan

Senior Lecturer in Agricultural Engineering

• M.Phil (Agricultural Engineering), University of Peradeniya, Sri Lanka 
• BSc. (Agric.) Honours, Eastern University, Sri Lanka 

Previous Employment

• Senior Lecturer Gr. I (March 2017 – Present)
• Senior Lecturer Gr. II (May 2012 – March 2017)
• Lecturer: March 2006 – May 2012
• Assistant Lecturer: January 2014 – March 2006

• Google Scholar:
  https://scholar.google.com/citations?user=ahwqMAYAAAAJ&hl=en
• Research Gate:
  https://www.researchgate.net/profile/Thivyatharsan-Rajendram

Peer Reviewed Publications

Research publications in refereed journals (full paper published)

1. Dasinka, W.K.W. and Thivyatharsan, R. (2020). Effect of induced fire on soil and water repellency in the Pinus (Pinus Sabiniana) forest of Welihena, Matara. Journal of Agricultural Science.14(1): 27-35.
2. Thivyatharsan, R. and Rajendran, M. (2018). Hydrological Implication of Municipal Solid Waste Disposal on Groundwater Quality at Thirupperunthurai, Batticaloa. International Journal of Research Publications. DOI: 100161112018421. 16(1).
3. Keerthana, K. and Thivyatharsan, R. (2018). Constructed wetland for slaughterhouse wastewater treatment. Journal of Agricultural Science.12(1).
4. Keerthana, K. and Thivyatharsan, R. (2018). Evaluation of the efficiency of constructed wetland and activated charcoal for the treatment of slaughterhouse wastewater. International Journal of Research Publications. DOI: 1006162018226. 6(1).
5. Thivyatharsan, R. and Rajendran, M. (2017). Efficiency of coagulation process and constructed wetland for the treatment of municipal solid waste landfill leachate. Sch. J. Eng. Tech. DOI: 10.21276/sjet.2017.5.9.8. 5(9): 497-501.
6. Thivyatharsan, R., Muhilini, J. and Dasina, S. (2016). Estimation and characterization of Municipal solid waste generation in Thirukkovil Pradeshiya Sabha, Ampara district. International Journal of Multidisciplinary Studies. 3(1): 25-34.
7. Thivyatharsan, R., Menaha, V. and Dasina, S. (2015). Spatial and temporal variations of surface water quality of Batticaloa lagoon with the special reference to coastal line in Sri Lanka. International Journal for Scientific Research & Development. 3(8): 931-936.
8. Thivyatharsan, R., Dasina, S. and Azeeza, N. (2015). Physical and chemical quality of well water and its impact on the health of people in Sinnasippikulam in Vavuniya District, Sri Lanka. International Journal of Research and Development Organization. 1(11): 1-18.
9. Rajendran, M. and Thivyatharsan, R. (2014). Performance of different species of earthworms on vermicomposting. International Journal of Research in Agriculture and Food Sciences. 2(3): 1-5
10. Thivyatharsan, R., Gunarathna, H. A. Y. R., Basnayake, B. F. A. and  Kuruparan. P. (2012). Performance and suitability of a landfill bioreactor with low cost biofilm contained clay-waste polyethylene-clay composite liner system for tropical climates of Asian countries. Journal of Material Cycles and Waste Management (SpringerLink).  (DOI) 10.1007/s10163-011-0039. 14(1): 27-37.
11. Thivyatharsan, R., Gunarathna, H.A.Y.R., Basnayake, B.F.A., Galagedara, L.W. and Kuruparan, P. (2010). Evaluation of the suitability of a composite liner system for designing a landfill bioreactor on confined bedrock at Sammanthurai in Sri Lanka. Journal of Tropical Agricultural Research. 21(3): 266-274.

Peer reviewed presentations at National/International conferences/symposia

Published as full paper

1. Husna Begum, A.L., Thivyatharsan, R. and Muneeb M. M. (2023). Spatiotemporal variation of pollutant levels in the Sainthamaruthu coastal lagoon. Proceedings of 3rd International Conference on Science and Technology, Faculty of Technology, Southeastern University of Sri Lanka. Pp 158-164.
2. Puvitha, G and Thivyatharsan, R. (2019). Efficiency of activated carbon produced from PET (Polyethylene Terephthalate) waste materials for the treatment of Municipal solid waste landfill leachate. Proceedings of 2nd International Symposium on Agriculture, Faculty of Agriculture, Eastern University, Sri Lanka. Pp 48-54. 
3. Keerthana, K. and Thivyatharsan, R. (2018). Slaughterhouse wastewater treatment using activated carbon prepared from coconut shell. Proceedings of 4th Jaffna University International Research Conference. Pp 562-564.
4. Thivyatharsan, R. and Narmilan, A. (2016). Assessment of Sub-Leachate pollution index (Sub-LPIhm) to determine the heavy metal pollution potential of landfill leachate at Thirupperumthurai landfill site, Batticaloa. Proceedings of 6th International Symposium, South Eastern University of Sri Lanka. Pp 338 – 347.
5. Thivyatharsan, R., Dasinaa, S. and Menaha.V. (2015). Study on the relationship of various physico-chemical parameters of the coastal surface water in Batticaloa lagoon in Sri Lanka. Proceedings of 3rd International Research Symposium, Rajarata University of Sri Lanka. Part 1, Pp 48-56.
6. Rajendran, M. and Thivyatharsan, R. (2013). Community based adaptation and mitigation strategies in relation to water and crop management in Batticaloa district. Proceedings of International Symposium on Agriculture and Environment-2013. Faculty of Agriculture, University of Ruhuna Sri Lanka. Pp 95-98. 
7. R. Thivyatharsan, and M. Rajendran. (2013) Estimation of quantum of Municipal solid waste generation and characterization in Alayadevemu Pradeshiya Sabha, Ampara district. Proceedings of 3rd International Symposium, South Eastern University of Sri Lanka. Pp 21-24.
8. R.T.K. Ariyawansha, Lahiru N. Jayakody, H.A.Y.R. Gunarathne, S.A.D.N. Senevirathne, P. Kuruparan, W.W.C.K. Chandrasekara, R. Thivyatharsan, B.F.A. Basnayake. (2010). Estimation of quantum of waste generation and solid waste characterization at Kalmunai Municipal Council (KMC) and Sammanthurai Pradeshiya Sabha (SPS). Proceedings of 3rd International Symposium, Sabaragamuwa University of Sri Lanka.
9. Thanaraj, T., Terry, L.A. and Thivyatharsan, R. (2008). Effect of ripening on chemometric profile of taste-related compounds in Mango Cv. Willard fruit. Proceedings of the seventh annual Research session, Eastern University, Sri Lanka. Pp 357-370.

Published as abstract form 

1. Elilini, S., Thivyatharsan, R. and Niroash, G. (2024). Use of water hyacinth (Eichhornia crassipes) as a potential source for producing quality compost. Proceedings of 6th National Symposium on Agriculture, Faculty of Agriculture, Eastern University, Sri Lanka. 41p
2. Witharana, W.A.K.N., Thivyatharsan, R. and Niroash, G. (2024). Optimizing Farmyard Compost Quality: A Comparative Analysis of Cow Dung, Poultry Manure, and Jeewamirtha Additives. Proceedings of International Conference on Multidisciplinary Research, Eastern University, Sri Lanka. 49p
3. S. Thirumaran, S., Vahaful Nisath, M.F., Yathusha, R., Krishnananthy, R. and Thivyatharsan, R. (2004). Waste disposal methods of cattle farm in Batticaloa district: A study at Chenkalady and Eravur veterinary division. Proceedings of International Conference on Multidisciplinary Research, Eastern University, Sri Lanka. 31p.
4. Sanjaya, A.L., Rajapaksha, R.T., Thivyathrasn, R and Niroash, G. (2023). Effect of soil moisture content, salinity and acidity on the persistence of soil water repellency in the Pastureland of Palachcholai, Eastern University, Sri Lanka. Proceedings of International Conference on Multidisciplinary Research, Eastern University, Sri Lanka. 21p.
5. Jayakodi, J.P.T.N and Thivyatharsan, R. (2022). Phytoremediation of shrimp farm wastewater: A review. Proceedings of 5th National Symposium on Agriculture, Faculty of Agriculture, Eastern University, Sri Lanka. 20p.
6. Sajini Chathurani Siriwardana, R.M and Thivyatharsan, R. (2022). Composting from municipal solid waste in sri lanka: A review. Proceedings of 5th National Symposium on Agriculture, Faculty of Agriculture, Eastern University, Sri Lanka. 23p.
7. Dhanushka Udayanga Somawansha, J.M and Thivyatharsan, R. (2022). Technologies to generate energy from municipal solid waste: A review: A review. Proceedings of 5th National Symposium on Agriculture, Faculty of Agriculture, Eastern University, Sri Lanka. 24p.
8. Rajapaksha, S.R.A.S and Thivyatharsan, R. (2021). Efficiency of hydroponic system in removing the selected pollutants found in the rice mill wastewater in Anuradhapura. Proceedings of 4th National Symposium on Agriculture, Faculty of Agriculture, Eastern University, Sri Lanka. 12p.
9. Shamini Irusha, W and Thivyatharsan, R. (2021). A review on composition of Municipal Solid Waste in Sri Lanka. Proceedings of 4th National Symposium on Agriculture, Faculty of Agriculture, Eastern University, Sri Lanka. 13p.
10. Kongahawatta, L.B and Thivyatharsan, R. (2021). Evaluation of different composting methods for organic wastes generated within Eastern University, Sri Lanka. Proceedings of 4th National Symposium on Agriculture, Faculty of Agriculture, Eastern University, Sri Lanka. 14p.
11. Weerasinghe, R.P.H.I and Thivyatharsan, R. (2021). Ability of water hyacinth (Eichhornia crassipes) in purifying pollutants from dairy industrial wastewater. Proceedings of 4th National Symposium on Agriculture, Faculty of Agriculture, Eastern University, Sri Lanka. 145p.
12. Abirami, T. and Thivyatharsan, R. (2018). Relations of Municipal solid waste generation and composition to socio-economic factors of households. Proceedings of 2nd International research Symposium, Uva Wellassa University, Sri Lanka. 265p
13. Jeevasuluxey, J., Thivyatharsan, R. and Narmilan, A. (2016). Efficiency of coagulation processes for the treatment of flood affected water with special reference to turbidity and total solids. Proceedings of 2nd National Symposium on Agriculture, Faculty of Agriculture, Eastern University, Sri Lanka. Pp 61-64
14. Delina, F.E. and Thivyatharsan. R. (2013). Adaptability of water purification practices at household level: A study from the Eravur Pattu Divisional Secretariat division, Batticaloa. Proceedings of 2nd International Symposium, Postgraduate Institute of Science, University of Peradeniya. 23p
15. Thivyatharsan, R. and Rajendran, M. (2013). Performance evaluation of different cost-effective leachate treatment methods suitable for developing countries. Proceedings of Second Annual Science Research Sessions- 2013, Faculty of Applied Science, South Eastern University of Sri Lanka. 4p.
16. Delina, E.J.P.  and Thiviyatharsan, R. (2013). Participatory approach to assess the adaptability of farming community to climate change: A case study in Eravur Pattu DS division, Batticaloa. Proceedings of Second Annual Science Research Session-2013, Faculty of Applied Science, South Eastern University of Sri Lanka. 5p. 
17. Delina, E.J.P., Thiviyatharsan, R. and Geretharan, T. (2013). Adoptability of integrated crop–livestock farming systems to climate change. Proceedings of International Conference, Eastern University, Sri Lanka. 65p
18. Thivyatharsan, R. and Vimal T. (2012). Influence of pre and post construction activities on sustainability of rainwater harvesting systems: A case study on rainwater harvesting projects at Vaharai Divisional Secretariat division in Batticaloa district. Proceedings of 2nd International Conference on Sustainable Built Environment, December 2012, Faculty of Engineering, University of Peradeniya.
19. Thivyatharsan, R and Basnayake, B.F.A. (2011). Construction and design of ‘Test Cell’ at Malwatta, Ampara to determine mass and energy balance of a landfill bioreactor. Young Scientists Forum Symposium – 2011, Sri Lanka. 26p.
20. Pratheeban, S., Partheepan, K., Amalraj, P., Jeyakumar, P. and Thivyatharsan, R. (2006). Identification of suitable industrial sites in Jaffna peninsula; usage of GIS as a tool in spatial decision-making process. Annual Research Session, University of Jaffna.
21. Thivyatharshan, R. and Thiruchelvam, T. (2004). Efficiency of low-cost filter on the treatment of Chemical Oxygen Demand (COD) and turbidity of rice and paper mill effluents: An investigation using a bench-scale model. Annual session of Sri Lanka Association for the Advancement of Science.

1. Environmental issues on soil and water
2. Soil water repellency in cultivated and forest soils
3. Solid waste management 
4. Making compost from waste materials
5. Wastewater treatment
6. Environmental pollution and related issues

1. AE 1102 Applied Mathematics for Agricultural Science
2. AE 2202 Environmental Engineering
3. AE 3203 Environmental Pollution and Control
4. AE 4104 Environmental Impact Assessment
5. AE 4105 Waste Management

1. Actg. Head, Dept. of Agricultural Engineering, Eastern University, Sri Lanka: March 2024 to date.  
2. Actg. Head, Dept. of Animal Science, Eastern University, Sri Lanka: 2021 – 2022   
3. Editor: Journal Agricultural Science (AGRIEAST), Faculty of Agriculture, Eastern University:  2022
4. Member of Senate, Eastern University, Sri Lanka: 2020 – 2022
5. Associate Editor: Journal Agricultural Science (AGRIEAST), Faculty of Agriculture, Eastern University: 2020 - 2021
6. Editor: Faculty Newsletter, Faculty of Agriculture, Eastern University: 2016 -2017
7. Head, Dept. of Agric. Engineering, Eastern University, Sri Lanka: 2013 – 2016
8. Chairman/Member for different committees at Department, Faculty and University levels: 2012 to date
9. Member of Senate, Eastern University, Sri Lanka: 2013 – 2016
10. Member of Editorial Committee: Faculty Leaflets for farmers: 2013
11. Student Counsellor: 2011 – 2016
12. Coordinator: Division of Agricultural Engineering, Faculty of Agriculture Eastern University, Sri Lanka: 2006 – 2008