SUSL Staff Directory

Professor S.K.Gunatilake

Professor

sksg@appsc.sab.ac.lk

Qualifications

B.Sc.(Honors) in Physical Sciences

M.Sc, Ph.D. in Environmental Sciences


Research Interests

Water and Soil geochemistry

Waste Management

Movement of trace metals in nature and removal processes


Current Research Projects

Impact of chemico-environmental, agrogenic and climatological factors on the onset of chronic kidney disease of uncertain etiology in Monaragala District, Sri Lanka -Funded by Sabaragamuwa University of Sri Lanka from 2017-2019

Development of baseline soil information system for soil C and other nutrients for paddy growing soils in Sri Lanka-Funded by National Research Council in Sri Lanka -2017-2020


Recent Publications

  1. S.K.Gunatilake, Rohana Chandrajith (2016). Removal of Pb(II) from contaminated water using low temperature pyrolyzed agricultural and forest waste biochars – a comparatively study, Journal of Desalination and water treatment, ISSN: 1944-3994, 62,316-324. doi: 10.5004/dwt.2017.1813
  2. S.K.Gunatilake (2016). N and P variation in Groundwater in Wet Zone and Dry Zone in Sri Lanka due to Fertilization to Paddy Crop, International Journal of Scientific and Research Publications, 6(9), 1-5.
  3. S.K.Gunatilake and S. Malavipathirana (2016). Assessment of Suitability of Anionic Synthetic Detergents in Sri Lanka, International Journal of scientific & Technology Research, 5(9), 140-142.
  4. S.K.Gunatilake (2016).Production of quality organic fertilizer using firewood ash and tea residues produced from tea factories in Sri Lanka, IOSR Journals in Applied Chemistry (IOSR-JAC), 9(8), 48-53.
  5. S.K.Gunatilake (2016). Quantity Improved Analysis of Composting Process: A Case Study in Western Province in Sri Lanka, Journal of Multidisciplinary Engineering Science and Technology, 3(4), 4500-4504.
  6. S.K.Gunatilake, S.S.Samaratunga and Folahan A. Adekola (2016). Effects of Binder on the Physico-chemical Properties and the Quality of Paracetamol Tablets, Der Pharma Chemica, CODEN(USA):PCHHAX, 8(4), 237-242.
  7. S.K.Gunatilake (2016). Adsorptive behaviour of Arsenic(III) ions from aqueous solution on to forestry and agricultural waste biochar pyrolyzed at 400°C, Sabaragamuwa University Journal, , 14(2), 108-118.
  8. S.K.Gunatilake (2016). Removal of Cr(III)Ions from Wastewater using Sawdust and Rice Straw Biochar Pyrolysed at Low Temperature, International Journal for Innovation Education and Research, 4(4), 44-54.
  9. S.K.Gunatilake (2015). Methods of removing heavy metals from industrial wastewater. Journal in multidisciplinary engineering science studies, 1(1), 12-18.
  10. Ruvini Rubasinghe, S.K. Gunatilake, and Rohana Chandrajith (2015). Geochemical characteristics of groundwater in different climatic zones in Sri Lanka, Environmental Earth Sciences, 74(4), 3067-3076, DOI 10.1007/s12665-015-4339-1.
  11. S.K.Gunatilake, S.S.Samaratunga and R.T.Rubasinghe (2014), Chronic Kidney Disease (CKD) in Sri Lanka – Current Research Evidence Justification: A Review. Sabaragamuwa University Journal, 13(2), 31-58.
  12. Sanjeewa, C.H.G.R., Gunatilake S.K. S.S.Samaratunga and Basnayake, B.F.A. (2013). Production of High Quality Charcoal from Municipal Solid Waste by Developing a Pyrolyser. Journal of Solid Waste Technology and Management, 39(1), 13-24.
  13. P.U. Liyanage, S.K. Gunatilake, and H.S.K. Fernando, (2011). An Environmental Assessment of Solid Waste at the Koggala Export Processing Zone in Sri Lanka, Ceylon Journal of Science-Physical Science, 16(1), 37-45.
  14. Gunatilake, S and Iwao, Y. (2010) A Comparison of Nitrate Distribution in Shallow Groundwater of Two Agricultural Areas in Sri Lanka and in Japan. Sabaragamuwa University Journal. 9(1), 81-95.
  15. Lekammudiyanse, L.M.M.U. and Gunatilake, S.K. (2010) Evaluation of the effectiveness of compost bin as a household water management technique: A case study in Gampaha Municipal Council Area, International Journal of Basic and Applied Sciences, 10(1)(1/6), 89-94.
  16. Gunatilake, S.K. and Iwao, Y. (2009) Geoenvironmental Assessment for Nitrate Pollution of Surface and Groundwater by Fertilization (A Study in Shiroishi Plain, Japan), International Journal of Civil and Environmental Engineering, 9(10), 12-19.

Published as full paper at the National/International Conferences/Symposium

  1. S.K.Gunatilake and Rohana Chandrajith (2018). Removal of toxic heavy metals from industrial wastewater using rice straw and saw dust biochar, The 10th Asia-pacfic landfill symposium – APLAS Tokyo-2018, November, Tokyo, Japan. Pp.
  2. S.K.Gunatilake, D.Balapitiyage, B.F.A.Basnayake (2016). Production of algae based semi solid fuel as a renewable source, Conference of science council in Asia -2016, Sri Lanka. pp.365-369
  3. H.M.K.P.Disanayake, S.K.Gunatilake, B.F.A.Basnayake (2016). Developing a low cost leachate treatment bioreactor for Gohagoda solid waste dumpsite, 3rd international research symposium, Rajarata University of Sri Lanka, 26-27th January 2016.
  4. HAHI Amarasinghe, SK Gunatilake,AK Karunarathna (2016). Determinations of optimum pyrolysis conditions fro producing Refuse Tea Biochar, Proceedings of the International symposium on agriculture and environment 2016 –ISAE-2016, University of Ruhuna, Sri Lanka, pp212-215.
  5. Amarasinghe, HAHI, Gunatilake, SK, Karunarathna, AK (2015) Ascertaining of Optimum Pyrolysis condition in producing refuse tea biochar as a soil amendment, 5th International Conference of Sabaragamuwa University of Sri Lanka, November 19-20th, 2015, Colombo, Sri Lanka,pp. 97-102.
  6. R.T.Rubasinghe, Sunethra Gunatilake, K.W.Perera (2013). Suitability of Fibre Complexes of Coir and Banana as Eco-Friendly Sorbent Material for Oil spills Removals. 28th Technical sessons-“Geoscience for National Development” Geological Society of Sri Lanka, IFS, Kandy,22nd February 2013.
  7. Dharmapriya, GN, Gunethilake, SK (2011) Determination of an optimum pile height for rapid degradation of organic matter during composting. International symposium on Agriculture and Environment (ISAE-2011), Faculty of Agriculture, University of Ruhuna, Sri Lanka.
  8. KM Ekanayake, B Basnayake, SK Gunatilake and AS Herath Chandrasena (2005) Introduction of Inclined Step Grade Composting System for Asian Countries (A Case Study in Tangalle Area in Sri Lanka), The Seven International Summer Symposium, Tokyo University, Japan pp.343-346.
  9. ASH Chandrasena, BF Basnayake, SK Pathirage and SK Gunatilake (2005). Quality Parameters of Compost Made from Municipal Solid Waste (MSW) by Inclined Step Grate (ISG) Composting System (A Case Study in Meewatura Farm, University of Peradeniya, Sri Lanka), The Seven International Summer Symposium, Tokyo University, Japan pp.347-350.
  10. Gunatilake S.K., Basnayake, B.F.A., Somatilake, E.G.W., and Nirudaka, D.G.T. (2004). The Quality Improvement of Eppawala Apatite in Sri Lanka as an Organic Fertilizer for Short Term Crops. The Sixth International Summer Symposium, Saitama University, Japan pp.421-424.
  11. Gunatilake, J. and Gunatilake,S.K. (2004) Pollution of Drinking Water by Application Research in Sri Lanka, Symposium Proceedings of the Water Professionals’ Day. Peradeniya, Sri Lanka, pp.113-120.
  12. S. Gunatilake, Y. Iwao, J.Gunatilake and A. Saito (2002) Effect of Over Fertilization for Contamination of Surface and Subsurface Water Bodies and Deep Groundwater Table (A Case Study from Shiroishi Plain in Japan). Proceedings of the International Symposium on Lowland Technology (ISLT), September 18-20, 2002, Saga University, Japan, pp. 343-349.
  13. Gunatilake, S.K., Iwao, Y. and Gunatilake, J.K. (2002) The Effect of Subsurface Drainage to Surface Water Bodies and Shallow Groundwater Table. Proceedings of the Fourth International Summer Symposium, 02nd August 2002, Kyoto, Japan, pp.347-350.
  14. Gunatilake, S.K., Iwao, Y. and Gunatilake, J.K. (2001) Nitrate Contamination of Shallow Groundwater due to Input of Fertilizer (A Case Study from Saga, Japan).

Proceedings of the 3rd International Summer Symposium, 08th August 2001, Tokyo, Japan. Pp.357-360.

  1. Gunatilake, S.K., Iwao, Y. and Saito, A. (2001). Input of Nitrate of into Shallow Groundwater Due to Application of Fertilizer (A case study from Saga, Japan), Proceeding of the 3rd Asian Symposium on Engineering Geology and the Environment (SEGE), Yogyakarta, Indonesia, pp.353-358.
  2. Gunatilake, S.K., Iwao, Y. and Gunatilake, J. (2000) Effect of the Intensive Use of Fertilizers for Contamination of Groundwater by Nitrate (A Case Study from Sri Lanka). Proceedings of the 4th Kansai International Geotechnical Forum (KIG Forum 2000). May 24-26, Kyoto, Japan. Pp.193-198.
  3. Gunatilake, S.K., Gunatilake, J. and Iwao, Y. (1999) Effect of the Application of Nitrate Fertilizer on the Contamination of Groundwater. Proceedings of the 2nd Asian Symposium on Engineering Geology and the Environment. September 23-25, 1999, Bangai, Malaysia, pp.28-31.

Published in abstract/Extended abstract at the National/International Conferences/Symposium

  1. Gunatilake, S.K. and Udeshani, W.A.C.(2019). Suitability of Groundwater for Drinking Purposes Using Water Quality Indices in CKDU Prevalence Areas in Sri Lanka, 2nd international conference on Future on Women’19, February, Colombo, Sri Lanka.
  2. W.A.C. Udeshani and S.K. Gunatilake (2019).Seasonal Groundwater Quality Variation in Monaragala District of Sri Lanka, International Research Conference of Uva Wellassa University 2019 (IRCUWU-2019), January, Uwa University, 2019
  3. W.A.C. Udeshani and S.K. Gunatilake (2019). Assessment of Drinking Water Quality in Monaragala District in Sri Lanka, RISCON-2019, University of Ruhuna, Sri Lanka, p.
  4. Charitha Udeshani, Kasun Dissanayake, Sunethra Gunatilake (2018). Assessment of the Contamination of Heavy Metals in Groundwater in Monaragala District, Sri Lanka, ARS-2018, Sabaragamuwa University of Sri Lanka, 2018.p
  5. Udeshani, W.A.C., Dissanayake, H.M.K.P., Gunatilake, S.V., Gunatilake, S.K.(2018). Assessment of groundwater quality in chronic kidney disease unknown (CKDu) prevalance area using groundwater indices, CKDu conference, University of Peradeniya, December, Sri Lanka.p
  6. Udeshani, W.A.C., Dissanayake, H.M.K.P., Wimalasiri, W.E. Gunatilake, S.V., Gunatilake, S.K.(2018).Application of water quality index for groundwater quality assessment in CKDu area in Sri Lanka. RISCON-2018, PGIS congress, University of Peradeniya, Sri Lanka. p
  7. Rajapaksha, R.P.S.K., Madawala, H.M.S.P., Gunatilake, S.K., Ratnayake, R.R. Soil organic carbon content and its’ effect on available soil nutrients in Knuckles Conservation Forest of Sri Lanka. 2nd International conference on Climate Change. Colombo, Sri Lanka. February 15-16, 2018.
  8. Rajapaksha, R.P.S.K., Madawala, H.M.S.P., Gunatilake, S.K., Ratnayake, R.R. Soil nutrient availability in different vegetation types of Kunckles conservation forest in Sri Lanka. International Research Symposium on Pure and Applied Sciences. Faculty of Science, University of Kelaniya, Sri Lanka. October 20, 2017. (ISBN: 978-955-704-061-5).
  9. Rajapaksha, R.P.S.K., Madawala, H.M.S.P., Gunatilake, S.K., Ratnayake, R.R. Estimation and mapping the spatial distribution of soil carbon stores: A study from Tropical Forest Reserve in Sri Lanka. 6th International Symposium on Soil Organic Matter. Harpenden, United Kingdom. September 3-7, 2017.
  10. Rajapaksha, R.P.S.K., Madawala, H.M.S.P., Gunatilake, S.K., Ratnayake, R.R. Assessment of soil C stocks among different landuse types in Knuckles Forest Region, Sri Lanka. Frontiers in Earth and Climate Sciences. A Conclave of Young Scientists in Central and South Asian Region. Bengaluru, India. December 5 - 7, 2016.
  11. Rajapaksha, R.P.S.K., Madawala, H.M.S.P., Gunatilake, S.K., Ratnayake, R.R. Soil carbon fractions in different landuse types of Lakegala area in the Knuckles Forest of Sri Lanka. Wayamba International Conference, Wayamba University of Sri Lanka, Kuliyapitiya, Sri Lanka. August 19 - 20, 2016.
  12. Rajapaksha, R.P.S.K., Madawala, H.M.S.P., Gunatilake, S.K., Ratnayake, R.R. (2015). Soil organic carbon fractions in disturbed and undisturbed forest sites in Riverston area of Knuckles Forest Region. PGIS Research Congress, University of Peradeniya, Peradeniya, Sri Lanka, October 9 - 10, 2015.
  13. R.B.K. Ranawaka, R.P.S.K. Rajapaksha, S.K. Gunatilake, E.P.N. Udayakumara, R.R. Ratnayake (2016). Characterization of humic substances in paddy soils under different cropping systems in the dry zone of Sri Lanka, Proceeding of the PGIS Research Congress 2016, University of Peradeniya. P.25
  14. Dissanayake HMKP Gunatilake SK Basnayake BFA (2016) Developing the laboratory scale biological, physical and chemical methods for treat the dumpsite leachate. Proceedings Wayamba University of Sri Lanka, WinC 2016, 19-20 August 2016, Wayamba University of Sri Lanka, p 239.
  15. Rajapaksha RPSK Madawela HMSP Gunatilake SK Rathnayake RR(2016). Soil carbon fractions in different land use types of Lakegala area in the Knuckles forest of Sri Lanka, Proceedings Wayamba University of Sri Lanka, WinC 2016, 19-20 August 2016, Wayamba University of Sri Lanka, p 255.
  16. Gunatilake SK (2016). Suitability of Sawdust and Rice Straw biochar pyrolized at low temperature for the removal of heavy metals from industrial wastewater, 25th Symposium on Environmental chemistry, program and abstracts organized by Japan Society for Environmental Chemistry, TOKI MESSE Niigata Convention Center, Niigata University, p.94
  17. Rajapaksha RPSK Saputhanthri SD Madawala HMSP Gunatilake SK and Rathnayake RR (2016). Soil C sequestration of forest-cardamom systems in Knuckles Forest Range, Sri Lanka. 16th Conference of Science Council Asia, Colombo, Galadari, Sri Lanka, p.248
  18. R.T. Rubasinghe, S.K. Gunatilake (2016). Bioavailability of major and trace elements in paddy soils from different climatic zones of Sri Lanka, International Conference on Pollution Control & Sustainable Environment, 4:2 (supply),Dubai, p. 83.
  19. R.P.S.K.Rajapaksha, S.D. Saputhanthri, R.R. Rathnayake, S.K.Gunatilake, H.M.S.P. Madawala (2015). Soil carbon sequestration and nutrient status of different landuse types in Knuckles mountain range, Sri Lanka, 20th International Forestry and Environment Symposium -2015,Club Hotel Deophin, Negombo, Sri Lanka, p.110.
  20. S.K. Gunatilake, and Rohana Chandrajith , (2014) Low Cost Biosorbents from Agricultural Wastes to Remove Heavy metals from Industrial Wastewater, 2nd International Conference on Contaminated Land, Ecological Assessment and Remediation (CLEAR 2014) , Chuncheon, Korea, 05-08th October 2014.p217.
  21. R.T.Rubasinghe, S.K.Gunatilake, R.Chandrajith (2014). Geochemical characterization of groundwater in different climatic zone of Sri Lanka, Proceeding of the Peradeniya University International Research Session, Cri Lanka, v18, 4-5th July 2014.p11
  22. Ruvini Rubasinghe, S.K. Gunatilake, and Rohana Chandrajith (2014). Hydrogeochemical Characterization of Groundwater in the Dry zones Sri Lanka, 2nd International Symposium organize by the Sri Lanka Academy Of Young Scientists (SLAYS) , Institute Of Fundamental Studies (IFS), 12-13November 2014. p56.
  23. N.Madanayake, L.N.Jayakody, S.K.Gunatilake, B.F.A.Basnayake (2010). Optimization of rice straw hydrolysis to convert lingo-cellulose to simple sugars (AS-II-24).Third international Symposium, Sabaragamuwa University of Sri Lanka, p.126.
  24. A.C.Shamendra, S.S.R.M.D.H.R. Wijesekara, S.Gunatilake, W.W.C.K.Chandrasekara, B.F.A.Basnayake, (2010). Modification and evaluation of the up-flow methanogenic phase reactor for domestic biogas plant (GEN-II-24). Third international Symposium, Sabaragamuwa University of Sri Lanka, p.41.
  25. A.L.Atapattu, S.K.Gunatilake (2009). The effect of Human Causes to Landslides Using GIS Technology, First National Symposium on Natural Resources Management NRM-2009, Sabaragamuwa University of Sri Lanka, p.22.
  26. L.M.M.U. Lekammudiyanse, S.Malavipathirana and S.K. Gunatilake (2009). Evaluation of Biodegradabiligy of Anionic Surfactants with Respect to Linear Alkylbenzene Sulfonates and some of Retardation Attributes. First National Symposium on Natural Resources Management NRM-2009, Sabaragamuwa University of Sri Lanka, p.63.
  27. L.M.M.U. Lekammudiyanse, S.K. Gunatilake and A.D.Prematilake (2009). Evaluation of the Effectiveness of Compost Bin as a Household Waste Management Technique: a case study in Gampaha Municipal Council Area, First National Symposium on Natural Resources Management NRM-2009, Sabaragamuwa University of Sri Lanka, p.68.
  28. Gunatilake, S.K., Iwao, Y., Gunatilake, J. (2002). Contamination of shallow groundwater by intensive use of fertilizers to the adjacent paddy fields in rural areas of Sri Lanka, Proceedings of the Ninth Congress of the International Association for Engineering Geology and the environment, September 16-20, 2002, Durban, South Africa. p.236.
  29. Gunatilake SK, Iwao Y, Gunatilake J (2002) Variation of Nitrate Concentration in Shallow Groundwater in Paddy Cultivated Area of Shiroishi in Saga, Japan, Proceedings of the Ninth Congress of the International Association for Engineering Geology and the environment, September 16-20, 2002, Durban, South Africa. p.237.
  30. Iwao, Y and Gunatilake, S (2000) Variation of Nitrate in Groundwater Due to Application of Nitrate Fertilizer (A Case Study from Sri Lanka), International Workshop on Engineering Geology and Environmental Planning including an International Symposium on Mineral Resources, BGR, Stilleweg 2, Hannover, Germany.

Presented with evidence at the National/International Conferences/Symposium

  1. S.K.Gunatilake (2016). Improvement of the existing Integrated Leachate Treatment System in Gohagoda Dumpsite in Kandy in Sri Lanka. 3rd International Conference on Social Sciences 2016 (3rd ICSS 2016), organized by Research Centre for Social Sciences, Faculty of Social Sciences, University of Kelaniya, 01st October 2016.
  2. S.K.Gunatilake (2016). Comparative study on the adsorptive behaviour of Ss (III) and Cr(III) ions from aqueous solution on to saw dust and rice husk biochar.. 3rd International Conference on Social Sciences 2016 (3rd ICSS 2016), organized by Research Centre for Social Sciences, Faculty of Social Sciences, University of Kelaniya, 01st October 2016.
  3. S.K. Gunatilake (2016). Suitability of surfacewater and groundwater in dry zone in Sri Lanka for irrigation and domestic purposes, 16th Conference of Science Council Asia, Colombo, Galadari, Sri Lanka, pp138.
  4. S.K.Gunatilake, Y. Iwao, J.K.Gunatilake, S.S.Samaratunga (2013). Comparison of Effects of Fertilization on Groundwater contamination in Agricultural Areas: Sri Lanka and Japan, Conference on Sri Lanka-Japan Collaborative Research 2013 (SLJCR-2013), University of Peradeniya, p 53.
  5. S.K. Gunatilake, Y. Iwao, J.Gunatilake, and D. Kumaragamage, (2006). A Comparison of Nitrate Distribution in Shallow Groundwater of Two Agricultural Areas in Sri Lanka and in Japan. The 10th Anniversary International Symposium, 4-8 July, 2006, Sabaragamuwa University of Sri Lanka, Sri Lanka, p.17.

Chapters and Books of Scholarly Work

Gunatilake, S.K. (2016) Get energy from waste. Lambert Publisher, Germany, 66 pp. ISBN 978-3-330-0104-6 (Lambert publisher is an international recognized publisher)

CKDu (published by Author – Other publisher)

Science book for O/L students (published by Author – Other publisher)