Dr. Ayomi Witharana
Department of Zoology and Environment Sciences
Publications
Rapid degradation of FOG discharged from food industry wastewater by lipolytic fungi as a bioaugmentation application. Journal of Environmental Technology
Witharana, A, Manatunge, J., Ratnayake, N., Nanayakkara, C.M., Jayaweera, M. 2017. Rapid degradation of FOG discharged from food industry wastewater by lipolytic fungi as a bioaugmentation application. Journal of Environmental Technology. ISSN: 0959-3330 (Print) 1479-487X (In Press).
Biodegradation of Grease Trap Waste by Lipolytic Fungi under Local Ambient Conditions
Witharana, A., Ratnayake, N., Manatunge, J., Nanayakkara, C.M. 2017. Biodegradation of Grease Trap Waste by Lipolytic Fungi under Local Ambient Conditions. 5th International Symposium on Advanced Civil and Environmental Engineering Practices for Sustainable Development. 16 March, Faculty of Engineering, University of Ruhuna.
A sustainable solution to problems encountered in the management of fat, oil and grease from food service industry wastewater
Witharana, A., Ratnayake, N., Manatunge, J., Nanayakkara, C.M. 2016. A sustainable solution to problems encountered in the management of fat, oil and grease from food service industry wastewater. The Young Researchers’ South Asian Symposium on Sustainable Development Goals (SDGs). 6–8 October, TERI University, New Delhi, India.
Fat, oil and grease removal by a consortium of lipase-producing microorganisms
Witharana, A., Ratnayake, N., Nanayakkara, C., Manatunge, J. 2015. Fat, oil and grease removal by a consortium of lipase-producing microorganisms. 20th International Forestry and Environment Symposium, 16–17 October, Club Hotel Dolphin, Negombo, Sri Lanka.
Bioremediation of Oil Contaminated Soil and Water: In situ and Ex situ Strategies for Feasibility Assessment
Nanayakkara, C.M., Witharana,A. 2015. Bioremediation of Oil Contaminated Soil and Water: In situ and Ex situ Strategies for Feasibility Assessment. In: Singh, S. andSrivastava. K. (eds), Handbook of Research on Uncovering New Methods for Ecosystem Management through Bioremediation. IGI Global. DOI: 10.4018/978-1-4666-8682-3.ch010.
Anaerobic bioleaching of metals from waste activated sludge
Meulepas, R.J.W., Gonzalez-Gil, G., Teshager, F.M.,Witharana, A., Saikaly, P.E., Lens, P.N.L. 2015. Anaerobic bioleaching of metals from waste activated sludge. Journal of Science of the Total Environment, Vol. 514, pp 60–67. DOI: 10.1016/j.scitotenv.2014.12.073.
From Green to Greener: Good Practices and Training Needs for Green Jobs in Sri Lanka
Jayaweera, M., Manatunge, J., Witharana, A. 2012. From Green to Greener: Good Practices and Training Needs for Green Jobs in Sri Lanka. International Labor Organization andEmployers’ Federation of Ceylon. ISBN: 978-9559316-16-9.
Evolution of Green Jobs Towards Green Economy in Sri Lanka
Jayaweera, M., Manatunge, J., Witharana, A. 2012. Evolution of Green Jobs Towards Green Economy in Sri Lanka. 17th International Forestry and Environment Symposium, 16–17 November, Pegasus Reef Hotel, Wattala, Sri Lanka.
Long-term performance of a constructed wetland planted with Typhaangustifolia
Jayaweera, M., Witharana, A. 2011. Long-term performance of a constructed wetland planted with Typhaangustifolia. The Symposium of Civil Engineering Research for Industry, Department of Civil Engineering, University of Moratuwa
Introduction to Constructed Wetlands in the Tropics
Manatunge, J., Witharana,A. 2011. Introduction to Constructed Wetlands in the Tropics. In: Tanaka. N., Ng. W.J and Jinadasa. K.B.S.N (eds.), Constructed Wetlands for Tropical Applications: Wastewater Treatment by Constructed Wetlands. World Scientific. pp 1–12, ISBN: 978-1-84816-297-6.
Zinc Adsorption by Low-cost Sorbent Materials: Clay Tile, Brick, Sawdust and Rice Husk
Witharana, A., Jayaweera, M., Manatunge, J. 2010. Zinc Adsorption by Low-cost Sorbent Materials: Clay Tile, Brick, Sawdust and Rice Husk, International Conference on Sustainable Built Environments. Special Session: Natural Systems to Control Water Resources Pollution and Water Hazards, Earl’s Regency Hotel, Kandy, Sri Lanka. Vol. 4, pp 21–28.
Investigation of Zinc Removal Capacities of Different Sorbent Materials to be used in Constructed Wetlands
Witharana, A., Jayaweera, M., Manatunge, J.2010. Investigation of Zinc Removal Capacities of Different Sorbent Materials to be used in Constructed Wetlands, 15th International Symposium on Forestry and Environmental Science, Department of Forestry and Environment Science, University of Sri Jayewardenepura, Nugegoda, Sri Lanka, pp, 18–24, ISBN: 978-955-9054-88-7.
Anaerobic bioleaching of metals from organic wastes
Witharanage, A.U.W., Meulepas Lens, P.N.L. 2010. Anaerobic bioleaching of metals from organic wastes. 12th World Congress on Anaerobic Bioleaching, International Water Association, Guadalajara, Jalisco-Mexico.
Enhancement of heavy metal removal from wastewaters in subsurface flow constructed wetlands comprising crushed clay tile media
Jayaweera, M., Randeniya, K.P.S., Witharana, A., Manatunge,J. 2008. Enhancement of heavy metal removal from wastewaters in subsurface flow constructed wetlands comprising crushed clay tile media. International Collaborative Symposium on Development of Sustainable Infrastructure in Asia. 21 March, University of Moratuwa, Sri Lanka.
Investigation of heavy metals in edible fish species in the section of Bellanwila-Attidiya canal
Witharana, A., Bandara, N.J.G.J., Piyasiri, S. 2005. Investigation of heavy metals in edible fish species in the section of Bellanwila-Attidiya canal, Sri Lanka Association of Advancement of Science (SLAAS), Section D, pp 43, ISSN 1391–0248.