Prof. S. Wijetunga

Professor

Department of Agricultural Engineering & Environmental Technology,
Faculty of Agriculture, University of Ruhuna,
Mapalana, Kamburupitiya,
Sri Lanka 81100

Research Interests

Qualifications

MPhil in Environmental Engineering | Southern Yangtze University, China
BSc in Agriculture | University of Ruhuna, Sri Lanka

Biography

Prof. S. Wijetunga is a Professor in the Department of Agricultural Engineering and Environmental Technology, Faculty of Agriculture, University of Ruhuna. His work focuses on environmental engineering, with particular interests in wastewater treatment and anaerobic digestion, and on developing practical, community-oriented waste-management solutions.

Journal Publications

Total: 25

Wijetunga, S., Sandamali, D. H. U., & Weerasinghe, K. D. N. (2009). Evaluation of efficacy in the treatment of domestic wastewater by different aquatic macrophytes. Journal of Environmental Research and Development , 4 , 297–309.

Gunawardena, M. P. W., Wijetunga, S., Navaratne, C. M., & Nissanka, N. (2009, December 18–19). Fruit and vegetable leachate in dry batch biogas digester as a nutrient solution for hydroponics. 14th International Forestry and Environment Symposium , University of Sri Jayewardenepura, Sri Lanka. (ISBN 978-955-9054-81-8)

Atapattu, N. S. B. M., Chandrasiri, W. C. J., Liyanaarachchi, N., Wijetunga, S., & Epa, W. G. S. T. (2009, December 7–11). Use of broiler offal silage-rice bran pellets in a qualitative feed restriction strategy for mature broilers. 65th Scientific Sessions of the Sri Lanka Association for the Advancement of Science .

Wijetunga, S., Jayasinghe, L. M. S., & Weerasinghe, K. D. N. (2009, December 18–19). Evaluation of simple wastewater treatment system for restaurants. 14th International Forestry and Environment Symposium , University of Sri Jayewardenepura, Sri Lanka. (ISBN 978-955-9054-81-8)

Liyanaarachchi, N., Wijetunga, S., & Srimalee, S. D. P. (2009, September 10). Weaknesses and opportunities towards effective water utilization in institutions: A case study in Faculty of Agriculture, University of Ruhuna. Second National Symposium , Faculty of Agriculture, University of Ruhuna.

Wijetunga, S., & Weerasinghe, K. D. N. (2009, March 27–28). Biogas as an appropriate technology for resource poor families to meet their energy and fertilizer needs: A case study in Madiha East. Wrap-Up Conference of CIDA Restore Project , Kandy.

Liyanaarachchi, N., & Wijetunga, S. (2009, March 26). Potential and threat of e-waste accumulation: A case study at Faculty of Agriculture, University of Ruhuna. 6th Academic Sessions , University of Ruhuna.

Wijetunga, S., Li, X. F., Ruan, W. Q., & Chen, J. (2008). Evaluation of the efficacy of Upflow Anaerobic Sludge Blanket reactor in removal of colour and reduction of COD in real textile wastewater. Bioresource Technology , 99 , 3692–3699.

Wijetunga, S., Li, X., Ruan, W. Q., & Chen, J. (2008). Colour and COD removal, reactor performance, and stability in textile wastewater treatment by Upflow Anaerobic Sludge Blanket reactor at mesophilic temperature. Electronic Journal of Environmental, Agricultural and Food Chemistry, 7(10), 3461–3475.

Srimalee, S. D. P., Warnakulasooriya, M. G. D. K., Perera, U. I. P., Liyanaarachchi, N., Rupasinghe, C. P., Wijetunga, S., & Sembukuttige, P. (2008, December 27–28). Ability to control Angoumois Grain Moth ( Sitotroga cerealella ) in paddy storage condition using biogas. 13th International Forestry and Environment Symposium , University of Sri Jayewardenepura, Sri Lanka. (ISBN 978-955-9054-70-2)

Amarasinghe, M. K. T. K., Priyadarshani, N. D. N., Kumarasinghe, H. K. M. S., & Wijetunga, S. (2008, December 27–28). Effect of application of organic liquid fertilizer on growth and yield performance of curry chili ( Capsicum annuum ). 13th International Forestry and Environment Symposium , University of Sri Jayewardenepura, Sri Lanka. (ISBN 978-955-9054-70-2)

Liyanaarachchi, N., Atapattu, N. S. B. M., & Wijetunga, S. (2008, December 27–28). Development of broiler offal silage-rice bran mixture as an animal feed ingredient: In vitro nutritive evaluation. 13th International Forestry and Environment Symposium , University of Sri Jayewardenepura, Sri Lanka. (ISBN 978-955-9054-70-2)

Kumara, B. P. N. T., Wijetunga, S., & Kumara Kithsiri, K. H. S. (2008, December 27–28). Evaluation of selected physical properties of fuel wood on tea drying. 13th International Forestry and Environment Symposium , University of Sri Jayewardenepura, Sri Lanka. (ISBN 978-955-9054-70-2)

Liyanaarachchi, N., Wijetunga, S., & Weerasinghe, K. D. N. (2008, December 1–6). Evaluation of different types of commercially available domestic compost bins as an option for kitchen and garden waste management. 63rd Scientific Sessions of the Sri Lanka Association for the Advancement of Science .

Wijetunga, S., Sandamali, D. H. U., & Weerasinghe, K. D. N. (2008, December 18–20). Evaluation of efficacy in the treatment of domestic wastewater by different aquatic macrophytes. International Congress of Environmental Research-2008 , Birla Institute of Technology and Science, Goa, India.

Liyanarachchi, N., & Wijetunga, S. (2008, March 5). Attitudes towards energy conservation: A case study at Faculty of Agriculture, University of Ruhuna. 5th Academic Sessions , University of Ruhuna.

Wijetunga, S., Li, X., Ruan, W., & Chen, J. (2007). Removal mechanisms of acid dyes of different chemical groups under anaerobic mixed culture. Ruhuna Journal of Science , 2 , 96–110.

Liyanarachchi, N., & Wijetunga, S. (2007, November 30–December 1). Solid waste generation potential and composition in a higher education institute. 12th International Forestry and Environment Symposium , University of Sri Jayewardenepura, Sri Lanka. (ISBN 978-955-9054-63-4)

Liyanarachchi, N., & Wijetunga, S. (2007, November 30–December 1). Present status and community views on biogas technology as a renewable energy source and waste management technique: Case study in selected Divisional Secretaries in Matara District. 12th International Forestry and Environment Symposium , University of Sri Jayewardenepura, Sri Lanka. (ISBN 978-955-9054-63-4)

Liyanaarachchi, N., Wijetunga, S., & Attapattu, N. S. B. M. (2007, December 5–8). Communal attitude towards waste management practices: A case study in Faculty of Agriculture, University of Ruhuna. 63rd Scientific Sessions of the Sri Lanka Association for the Advancement of Science .

Wijetunga, S., Weerasinghe, K. D. N., Punchihewa, N. E., & Jayasinghe, G. Y. (2007, January 29). Design of a two-phase digester system to optimize biogasification of rice straw. 4th Academic Sessions , University of Ruhuna, Sri Lanka.

Wijetunga, S., Ruan, W. Q., Li, X. F., & Chen, J. (2006). Decolourization of textile wastewater containing acid dyes in UASB reactor system under mixed anaerobic granular sludge. Electronic Journal of Environmental, Agricultural and Food Chemistry, 5(1), 1224–1234.

Wijetunga, S., Li, X., Ruan, W.-Q., & Chen, J. (2006, December 22–23). Colour removal and its mechanisms in textile wastewater treatment by UASB reactor system with anaerobic granular sludge. 11th International Forestry and Environment Symposium , University of Sri Jayewardenepura, Sri Lanka. (ISBN 955-9054-58-9)

Wijetunga, S., Li, X. F., Ruan, W. Q., & Chen, J. (2005). Biological decolourization of simulated textile wastewater in UASB Reactor System by anaerobic granular sludge. Journal of Tropical Agricultural Research and Extension , 8 , 53–64.

Wijetunga, S., Li, X.-F., & Chen, J. (in press). Effect of organic load on decolourization of textile wastewater containing acid dyes in Upflow Anaerobic Sludge Blanket reactor. Journal of Hazardous Materials .

Books / Book Chapters

Total: 1

Wijetunga, S. (n.d.). Construction of biogas digester and its maintenance [In Sinhala]. (ISBN: 978-955-1507-02-2).