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Dr. SSRMDHR Wijesekara

Senior Lecturer

Applied Sciences

Email : wijesekara@appsc.sab.ac.lk

    Qualifications

  • P.hD. in Environmental Remediation (The University of Newcastle, Australia, 2018)

    M.Phil. in Environmental Science (University of Peradeniya, Sri Lanka, 2013)

    B.Sc. (Special) in Environmental Sciences and Natural Resources Management (Sabaragamuwa University, Sri Lanka, 2010)

    Diploma in Human Rights (University of Peradeniya, Sri Lanka, 2011)

    Membership of Professional Bodies/Associations

  • Sri Lanka Association for the Advancement of Science (SLAAS)

    Soil Science Australia (SSA)

    Geological Society of Sri Lanka (GSSL)

    Research Interests

  • Risk Assessment, Identification and Characterization of Particulate Plastics in the Environment

    Greenhouse Gases Mitigation in the Atmosphere, Application of Biowaste for Soil Carbon Sequestration

    Synthesis, Characterization and Application of Nano-scale Materials for Wastewater Treatment

    Mined Land Rehabilitation, Characterization and Treatment of Landfill Leachate / Water and Wastewater Analysis

     

    Teaching Experience (Present, Sabaragamuwa University, Sri Lanka)

    ESNRM 22102 Environmental Toxicology

    ESNRM 22210 Analytical Techniques for Environmental Sciences and Natural Resource

    FST 31209 Food Industries and Environmental Management

    ESNRM 32201/PST 32213/FST 32210 Cleaner Production and Green Productivity

    ESNRM 32202 Energy Resource Management

    ESNRM 41102 Environmental Quality Management

    ESNRM 41218 Environment and Society 

    Teaching Experience (Past, The University of Newcastle, Australia)

    GEOS 2060 Soil Processes and Properties

    ENVS 3007 Environmental Remediation

     

    Current Research Projects

  • Value addition and commercialization of low gem-quality corundum in Sri Lanka using innovative heat treatment technology based on physiochemical analysis. Accelerating Higher Education Expansion and Development (AHEAD), University Grant Commission, Sri Lanka and World Bank, 40 million LKR (2019-2022) - Co-Investigator

    Microplastics Bound Transport and Differential Bioavailability of Pharmaceuticals, Personal Care Products (PPCPs) and Toxic Trace Elements in Water. National Research Council, Sri Lanka, 2.24 million LKR (2020/2022) -  Principal Investigator 

    Recent Publications

  • Articles in Peer Reviewed Journals

    1. T. Atugoda, H. Piyumali, H. Wijesekara, C. Sonne, S.S. Lam, K. Mahatantila, M. Vithanage. 2022. Nanoplastic occurrence, transformation and toxicity: a review. Environmental Chemistry Letters DOI: 10.1007/s10311-022-01479-w
    2. R. Wijewardhana, S Senarathne, C. K Jayawardana, V Edirisinghe, H Wijesekara, N Mannapperuma. 2022. Evaluation of the effect of landfill leachate on surface and groundwater quality: a case study in tropical Sri Lanka using the evidence of stable isotopes. Environmental Monitoring and Assessment. 194: 628 DOI: 10.1007/s10661-022-10282-7 
    3. A. U Rajapaksha, R Selvasembian,  A Ashiq, V Gunarathne, A Ekanayake,  V.O Perera, H Wijesekera, S Mia, M Ahmad, M Vithanage, Y. S Ok, (2022). A systematic review on adsorptive removal of hexavalent chromium from aqueous solutions: Recent advances. Science of The Total Environment. 809, 152055.
    4. S.A Hoang, N Bolan, A.M.P Madhubashani, M Vithanage, V Perera, H Wijesekara, H Wang, P Srivastava, M.B Kirkham, B.S Mickan, J Rinklebe, K.H.M Siddique. (2022) Treatment processes to eliminate potential environmental hazards and restore agronomic value of sewage sludge: A review. Environmental Pollution. 293, 118564.
    5. N Bolan, M Kumar, E Singh, A Kumar, L Singh, S Kumar, S Keerthanan, S.A Hoang, A El-Naggar, M Vithanage, B Sarkar, H Wijesekara, S Diyabalanage, P Sooriyakumar, A Vinu, H Wang, M.B Kirkham, S M Shaheen, J Rinklebe, K.H.M Siddique (2021) Antimony contamination and its risk management in complex environmental settings: A review. Environment International. 158, 106908.
    6. N Bolan, S. A. Hoang, M Tanveer, L Wang, S Bolan, P Sooriyakumar, B Robinson, H Wijesekara, M Wijesooriya, S Keerthanan, M Vithanage, B Markert, J Rinklebe, S Fränzle, S Wünschmann, B Sarkar, A Vinu, M. B Kirkham, K.H.M Siddique, J Rinklebe (2021). From mine to mind and mobiles - Lithium Contamination and its Risk Management. Environment Pollution. 290: 118067.
    7. N Bolan, J Beiyuan, S Gupta, S.A Hoang, D Hou, A Karakoti, S Joseph, S Jung, Ki-Hyun Kim, M.B Kirkham, H.W Kua1, M Kumar, E.E Kwon, Y.S Ok, V Perera, J Rinklebe, S.M Shaheen, B Sarkar, A.K Sarmah, B.P Singh, G Singh, D.C.W Tsang, K Vikrant, M Vithanage, A Vinu, H Wang, H Wijesekara, Y Yan, S.A Younis, L.V Zwieten. Multifunctional applications of biochar beyond carbon storage. International Materials Reviews. https://doi.org/10.1080/09506608.2021.1922047
    8. S A Hoang, B Sarkar, B Seshadri, D L H Wijesekara, M Vithanage, C Liyanage, P A Kolivabandara, J Rinklebe, S S Lam, A Vinu, H Wang, M B. Kirkham, N S. Bolan. 2021. Mitigation of petroleum-hydrocarbon-contaminated hazardous soils using organic amendments: A review. Journal of Hazardous Materials. 416, 125702 
    9. H Wijesekara, K Colyvas, P Rippon, N.S Bolan, M. Manna, P Matthews, R Thangavel, B Seshadri, Y.M Awad, A Surapaneni, C Saint, G Tian, S Torri, M.B Kirkham, M Vithanage. 2021. Carbon sequestration value of biosolids applied soil: a global meta-analysis. Journal of Waste Management, 284, 112008
    10. T Atugoda, H Wijesekara, N Bolan, A. K Sarmah M Vithanage. 2021. Interface interactions between microplastics and pharmaceuticals and personal care products in the aqueous environment: Implications for vector transport. Environment International. 149, 106367
    11. N Bolan, B Sarkar, Y Yan, Q Li, H Wijesekara, K Kannan, D.C.W Tsang, M Schauerte, J Bosch, H Noll, Y.S Ok, K Scheckel, J Kumpiene, K Gobindlal, M Kah, J Sperry, M.B Kirkham, H Wang, Y.F Tsang, D Hou, J Rinklebe. 2021. Remediation of poly- and perfluoroalkyl substances (PFAS) contaminated soils – to mobilize or to immobilize or to destroy? Journal of Hazardous Materials. 401, 123892
    12. L Zhang, C Ou, D Magana-Arachchi, M Vithanage, K.S Vanka, T Palanisami, K Masakorala, H Wijesekara, Y Yan, N Bolan, M. B Kirkham (2021) Indoor Particulate Matter in Urban Households: Sources, Pathways, Characteristics, Health Effects, and Exposure Mitigation. Int. J. Environ. Res. Public Health, 18, 11055 DOI https://doi.org/10.3390/ijerph182111055
    13. T Atugoda, H Wijesekara, D.R.I.B Werellagama, K.B.S.N Jinadasa, N Bolan, M Vithanage. 2020. Microplastics as a Vector for Transport of Antibiotic Ciprofloxacin in Water. Environmental Technology and Innovation, 19, 100971 DOI https://doi.org/10.1016/j.eti.2020.100971
    14. L Bradney, H Wijesekara, K.N Palansooriya, N. Obadamudalige, N.S Bolan, Y.S Ok, J Rinklebe, Ki-Hyun Kim, M.B Kirkham. 2019. Particulate plastics as a vector for toxic trace-element uptake by aquatic and terrestrial organisms and human health risk. Environmental International, 131, 104937 DOI org/10.1016/j.envint.2019.104937
    15. R Thangavel, N.S Bolan, M.B Kirkham, H Wijesekara, M Kanchikerimath, C.S Rao, S Sandeep, J Rinklebe, Y.S Ok, B.U Choudhury, H Wang, C Tang, X Wang, Z Song, O.W Freeman II. 2019. Soil organic carbon dynamics: Impact of land use changes and management practices: A review. Advances in Agronomy 156, 1-107. DOI org/10.1016/bs.agron.2019.02.001
    16. H Wijesekara, N.S Bolan, L Bradney, B Seshadri, A Kunhikrishnan, R Dharmarajan, Y.S Ok, J Rinklebe, M.B Kirkham, M Vithanage. 2018. Trace element dynamics of biosolids-derived microbeads. Chemosphere. 199 331-339 DOI org/10.1016/j.chemosphere.2018.01.166
    17. H Wijesekara, N.S Bolan, R Thangavel, B Seshadri, A Surapaneni, C Saint, C Hetherington, P Matthews, M Vithanage. 2017. The impact of biosolids application on organic carbon and carbondioxide fluxes in soil. Chemosphere. 189 565-573 DOI org/10.1016/j.chemosphere.2017.09.090
    18. R Thangarajan, N.S Bolan, A Kunhikrishnan, H Wijesekara, Y Xu, D.C.W Tsang, H Song, Y.S Ok, D Hou. 2018. The potential value of biochar in the mitigation of gaseous emission of nitrogen. Science of the Total Environment. 612 257–268 DOI org/10.1016/j.scitotenv.2017.08.242
    19. A Kunhikrishnan, G Choppala, B Seshadri, H Wijesekara, N.S Bolan, K Mbene, W-I Kim, 2017. Impact of wastewater derived dissolved organic carbon on reduction, mobility, and bioavailability of As(V) and Cr(VI) in contaminated soils. Journal of Environmental Management. 186 (2) 183-191 DOI org/10.1016/j.jenvman.2016.08.020
    20. P Kumarathilaka, V Jayaweera, H Wijesekara, I.R.M Kottegoda, S.R.D Rosa, M Vithanage, 2016. Insights into starch coated nano-zero valent iron-graphene composite for Cr(VI) removal from aqueous medium. Journal of Nanomaterials. 1-10 DOI org/10.1155/2016/2813289
    21. M Vithanage, H Wijesekara, S.S Mayakaduwa. 2016. Isolation, purification and analysis of dissolved organic carbon (DOC) from Gohagoda dumpsite leachate, Sri Lanka, Environmental Technology. DOI org/10.1080/09593330.2016.1235229
    22. H Wijesekara, N.S Bolan, M Vithanage, Y Xu, S Mandal, S.L Brown, G.M Hettiarachchi, G.M Pierzynski, L Huang, Y.S Ok, M.B Kirkham, C Saint, A Surapaneni. 2016. Utilization of biowaste for mine spoil rehabilitation. Advances in Agronomy. Volume 138, 97-173 DOI 10.1016/bs.agron.2016.03.001
    23. B Seshadri, N.S Bolan, H Wijesekara, A Kunhikrishnan, R Thangarajan, F Qi, R Matheyarasu, C Rocco, M Kenneth, R Naidu. 2016. Phosphorus-cadmium interactions in paddy soils. Geoderma. Volume 270, 43-59. DOI 10.1016/j.geoderma.2015.11.029
    24. S Chowdhury, N.S Bolan, B Seshadri, A Kunhikrishnan, H Wijesekara, Y Xu, J Yang, G-H Kim, D Sparks, C Rumpel. 2015. Co-composting solid biowastes with alkaline materials to enhance carbon stabilization and revegetation potential, Environmental Science Pollution Research. Volume 23 (8) 7099-7110 DOI 10.1007/s11356-015-5411-9
    25. S.S.R.M.D.H.R Wijesekara, S.S Mayakaduwa, A.R Siriwardana, N.D Silva, B.F.A Basnayake, K Kawamoto, M Vithanage. 2014 Fate and transport of pollutants through a municipal solid waste landfill leachate in Sri Lanka. Journal of Environmental Earth Sciences. ISSN 1866-6280, DOI 10.1007/s12665-014-3075-2
    26. S.S.R.M.D.H.R Wijesekara, B.F.A Basnayake, M Vithanage. 2014. Organic coated nano-particulate zero valent iron for remediation of chemical oxygen demand (COD) and dissolved metals from tropic landfill leachate. Journal Environmental Science and Pollution Research. DOI 10.1007/s11356-014-2625-1
    27. S.S.R.M.D.H.R Wijesekara, S.N.D Silva, D Wijesundara, B.F.A Basnayake, M Vithanage. 2014. Landfill leachate plume delineation and lithologic profiling using surface resistivity in an open municipal solid waste dumpsite, Sri Lanka. Environmental Technology Journal. DOI 10.1080/09593330.2014.963697
    28. B.G.N Sewwandi, M Vithanage, S.S.R.M.D.H.R Wijesekara, M.I.M Mowjood, S Hamamoto, K Kawamoto. 2014. Adsorption of Cd(II) and Pb(II) Humic Acid Treated Coconut (Cocos nucifera) Husk. Journal of Hazardous, Toxic, and Radioactive Waste. DOI abs/10.1061/(ASCE)HZ.2153-5515.0000196
    29. M Vithanage, A.U Rajapaksha, H Wijesekara, K Mahatantila, N Weerarathne, Y.S Ok. 2013. Effect of soil type and fertilizer on As speciation in rice paddy contaminated with As-containing pesticide. Journal of Environmental Earth Sciences. ISSN 1866-6280, DOI 10.1007/s12665-013-2486-9
    30. B.G.N Sewwandi, M Vithanage, S.S.R.M.D.H.R Wijesekara, A.U Rajapaksha, D.G.L.M Jayarathna, M.I.M Mowjood. 2012. Characterization of aqueous Pb(II) and Cd(II) biosorption on native and chemically modified Alstonia macrophylla saw dust. Bioremediation Journal. 16(2):113–124, 2012. DOI 10.1080/10889868.2012.665963
    31. D.A.S Gamage, S.S.R.M.D.H.R Wijesekara, G.W.N.L Sarathchandra, B.F.A Basnayake, W.A.J.M Costa. 2011. Estimation of Nitrate and Phosphate Leaching from Lysimeter Simulation of Rice Straw Landfill Bioreactor and Evaluation of Fertilizer Quality of Resulting Compost. Tropical Agricultural Research, Short communication, 22(2) 220-228 (ISSN:1016-1422).  (http://www.pgia.ac.lk/sites/default/files/congress/journel/V22/Journal_No-2.htm)

     

    Book chapters

    1. P Srivastava, N Bolan, V Casagrande, R Perera, H Wijesekara. 2021. Origin, distribution, fate and remediation of microplastics in biowastes and biowaste-amended soil. In: Jajati Mandal and Pritam Ganguly (Eds.). Environmental Contaminants: Impact, Assessment & Remediation/ Apple Academic Press. (In press)
    2. N Bolan, M.B Kirkham, V Perera, S Mayakaduwage, A Ekanayake, A.U Rajapaksha, H Wijesekara, P Srivastava, M Vithanage. 2022. Phytoremediation of soils contaminated with poly- and per-fluoroalkyl substances (PFAS). A. Pandey, M. Á. Sanromán, G. Du, C. R. Soccol and C.-G. Dussap (Eds.). Current Developments in Biotechnology and Bioengineering.  Elsevier. Chapter 14. Page 275-290.
    3. N Bolan, S.A Hong, Y Yan, S Ramanayake, P Koliyabandara, G Chamanee, H Wijesekara, R. Mukhopadhyay, B Sarkar, M. Vithanage, M.B Kirkham. 2021. Landfills as source of PFAS contamination of soil and groundwater. In: David M. Kempisty and LeeAnn Racz (Eds.). Forever chemicals. Chapter 6. Page 119-142. DOI 10.1201/9781003024521-7
    4. L Bradney, H Wijesekara, N.S Bolan, M.B Kirkham. 2020. Sources of Particulate Plastics in Terrestrial Ecosystems. In: N.S Bolan, M.B Kirkham, C Halsband, D Nugegoda and Y.S Ok (Eds.). Particulate Plastics in Terrestrial and Aquatic Environments. Chapter 1. DOI https://doi.org/10.1201/9781003053071
    5. S Mandal, N. S Bolan, B Sarkar, H Wijesekara, L Bradney, M.B Kirkham. 2020. Environmentally Toxic compounds of plastics. In: N.S Bolan, M.B Kirkham, C Halsband, D Nugegoda and Y.S Ok (Eds.). Particulate Plastics in Terrestrial and Aquatic Environments. Chapter 11. DOI https://doi.org/10.1201/9781003053071
    6. K.N Palansooriya, H Wijesekara, L Bradney, P Kumarathilaka, J Bundschuh, N.S Bolan, T Rocha-Santos, C Gu, Y.S Ok. 2020. Characteristics of Particulate Plastics in Terrestrial Ecosystems. In: N.S Bolan, M.B Kirkham, C Halsband, D Nugegoda and Y.S Ok (Eds.). Particulate Plastics in Terrestrial and Aquatic Environments. Chapter 7. DOI https://doi.org/10.1201/9781003053071
    7. H Wijesekara, L Bradney, S Mandal, B Sarkar, H Song, N.S Bolan, M.B Kirkham. 2020. Particulate plastics as vectors of heavy metal(loid)s. In: N.S Bolan, M.B Kirkham, C Halsband, D Nugegoda and Y.S Ok (Eds.). Particulate Plastics in Terrestrial and Aquatic Environments. Chapter 12. DOI https://doi.org/10.1201/9781003053071
    8. H Wijesekara, N.S Bolan, K Colyvas, B Seshadri, Y.S Ok, Y.M Awad, Y Xu, R Thangavel, A Surapaneni, C Saint. M Vithanage. 2017. Use of Biowaste for Mine Site Rehabilitation A Meta-Analysis on Soil Carbon Dynamics. In: N.S Bolan, M.B Kirkham, Y.S Ok (Eds.) Spoil to soil. CRC press. Florida. USA
    9. S.R Gurung, H Wijesekara, B Seshadri, R.B Stewart, P.E.H Gregg, N.S Bolan. 2017. Sources and Management of Acid Mine Drainage. In: N.S Bolan, M.B Kirkham, Y.S Ok (Eds.) Spoil to soil. CRC press. Florida. USA
    10. R Thangavel, R Karunanithi, H Wijesekara, Y Yan, B Seshadri, N.S Bolan. 2017. Phyto technologies for mine site rehabilitation. In: N.S Bolan, M.B Kirkham, Y.S Ok (Eds.) Spoil to soil. CRC press. Florida. USA
    11. B Sarkar, H Wijesekara, S Mandal, M Singh, N.S Bolan. 2017. Characterisation and improvements of physical, chemical and biological properties of mine wastes. In: N.S Bolan, M.B Kirkham, Y.S Ok (Eds.) Spoil to soil. CRC press. Florida. USA
    12. H Wijesekara, N.S Bolan, P Kumarathilaka, N Geekiyanage, A Kunhikrishnan, B Seshadri, C Saint, A Surapaneni, M Vithanage. 2016. Biosolids enhances mine site rehabilitation and revegetation. In: M.N.V. Prasad, Kaimin Shih (Eds.), Environmental Materials and Waste - Resource Recovery and Pollution Prevention [EMW-RR&PP], Elsevier, USA
    13. 14. S Mandal, A Kunhikrishnan, N Bolan, H Wijesekara, R Naidu. 2016. Application of Biochar Produced from Biowaste Materials for Environmental Protection and Sustainable Agriculture Production. In: M.N.V. Prasad, Kaimin Shih (Eds.), Environmental Materials and Waste - Resource Recovery and Pollution Prevention [EMW-RR&PP], Elsevier, USA
    14. P Kumarathilaka, H Wijesekara, N.S Bolan, A Kunhikrishnan, M Vithanage. 2016. Phytoremediation of landfill leachates. In: Abid A Ansari, Sarvajeet Singh Gill, Ritu Gill, Guy R. Lanza (Eds.), Phytoremediation: Management of Environmental Contaminants, Springer, New York, USA
    15. N Geekiyanage, M Vithanage, S.S.R.M.D.H.R. Wijesekara, D.K.N.G Pushpakumara. 2014. State of the Environment and Environmental Governance in Sri Lanka. In: Sacchidananda Mukherjee and Debashis Chakraborty (Eds.). Routledge, U.K. Environmental Challenges and Governance: Diverse perspectives from Asia (ISBN: 9780415721905)
    16. M Vithanage, S.S.R.M.D.H.R Wijesekara, A.R Siriwardana, S.S Mayakaduwa, Y.S. Ok. 2014. Management of Municipal Solid Waste Landfill Leachate: A Global Environmental Issue. Environmental Deterioration and Human Health: Natural and anthropogenic determinants. In: Abdul Malik, Elisabeth Grohmann and Rais Akhtar (Eds.). Springer, The Netherlands, pp 236-287 (DOI 10.1007/978-94-007-7890-0_11)
    17. M Vithanage, S.S.R.M.D.H.R Wijesekara, I.P.L Jayarathna, A Prakash, S Sharma, A.K Ghosh. 2014. Nanomaterials for landfill leachate treatment in the humid tropics; The Sri Lankan perspective. Aquananotechnology: Global Prospects. In: David E. Reisner and T. Pradeep (Eds.). CRC Press (Taylor & Francis imprint), pp 759-776 (DOI:10.1201/b17455-38)

     

    Other Science Dissemination (Selected)

    1. Particulate plastics in soil: friend or foe?. Remediation Australasia, Digital Publication of CRC CARE, September 2018, Issue 20 https://www.remediationaustralasia.com.au/articles/particulate-plastics-soil-friend-or-foe
    2. Wealth to waste, and waste to water in Sri Lanka: characterising leachate from dump sites. Remediation Australasia, Digital Publication of CRC CARE, April 2018, Issue 19 https://www.remediationaustralasia.com.au/articles/wealth-waste-and-waste-water-sri-lanka-characterising-leachate-dump-sites
    3. Trends in emerging environmental pollutants, Vidusara, 12 April 2017.
    4. Possibility of Identifying Treated and Non-treated Sri Lankan Ruby and Sapphires by FT-IR Spectroscopy, Gemmological Association of Sri Lanka, 2014. http://www.gemmology.lk/pdf/Possibility-of-Identifying-Treated.pdf
    5. Treated blue sapphires-A great threat for our gem industry, Lankadeepa, 19 January 2014.
    6. World’s worst chemical accidents, Vidusara, 13 February 2013.
    7. Historical disasters of Photochemical smog, Vidusara, 24 April 2013.
    8. Application of nano metals and metal oxides for waste water treatment), Vidusara, 14 November 2012.

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

  • Paper Publications in Scientific Conferences

    1. S Sandanayake, S. Diyabalanage, H Wijesekara, V Edirisinghe, M Vithanage. Lability and bioavailability of toxic heavy metals in Ratnapura district gem sediments, Sri Lanka. Moratuwa Engineering Research Conference (MERCon 2021), 27-29 July 2021
    2. H Wijesekara, L Bradney, A Kunhikrishnan, Y Liu, A Surapaneni, Y.S Ok, N Bolan. Particulate plastics in soil: friend or foe? National Soil Science Conference, Canberra 18-23 November 2018
    3. H Wijesekara, N.S Bolan, R Thangavel, B Seshadri, A Surapaneni, C Hetherington, P Matthews, C Saint. Land application of biosolids for climate-smart agriculture in Hunter region. Soil science Australia, NSW branch, Hunter region regional meeting, the University of Newcastle, Callaghan 6-7 July 2017
    4. H Wijesekara, N.S Bolan, B Seshadri, R Thangavel, A Surapaneni, C Hetherington, P Matthews, C Saint. Estimation of CO2 emissions from biosolid land application. Cleanup 2017. Contaminated land conference at Crown Conference Centre, Melbourne, Australia. September 10-13, 2017. http://www.cleanupconference.com/wpcontent/uploads/2017/09/CleanUp_2017_Proceedings_Low-Res.pdf
    5. R Thangavel, H Wijesekara, Y Xu, B Seshadri, N.S Bolan. 2017. Impact of Land Use on Soil Organic Carbon Fractions and CO2 Efflux. Cleanup 2017. Contaminated land conference at Crown Conference Centre, Melbourne, Australia. September 10-13, 2017. http://www.cleanupconference.com/wpcontent/uploads/2017/09/CleanUp_2017_Proceedings_Low-Res.pdf
    6. N.S Bolan, H Wijesekara, D Lamb, B Seshadri. 2017. Organic Recycling to Benefit Agricultural Production and Environmental Protection. Cleanup 2017. Contaminated land conference at Crown Conference Centre, Melbourne, Australia. September 10-13, 2017. http://www.cleanupconference.com/wpcontent/uploads/2017/09/CleanUp_2017_Proceedings_Low-Res.pdf
    7. H Wijesekara, K Colyvas, N Bolan, B Seshadri, Y.S Ok, Y Awad, A Surapaneni, C Saint, P Kumarathilaka, M Vithanage.  2016. Biosolids Application and Soil Organic Carbon Dynamics: A Meta-Analysis. 5th Annual International Research Conference, Faculty of Management and Commerce, South Eastern University of Sri Lanka. 23 November 2016 Pages 405-409
    8. H Wijesekara, N.S Bolan, A Surapaneni, C Saint. 2015. Utilization of biowastes for mine spoils rehabilitation. Cleanup 2015. Contaminated land conference at Crown Conference Centre, Melbourne, Australia. September 13-16, 2015. (http://www.crccare.com/files/dmfile/CLEANUP_2015_PROCEEDINGS-web.pdf)
    9. S Illangasinghe, H Wijesekara, M Vithanage, C.P Udawatte. 2015. Application of Fourier Transform Infrared Spectroscopy for the identification of treated sapphires in Sri Lanka. The 4th International Gem & Jewelry Conference (GIT 2014) at Holiday Inn Chiangmai, Thailand. 8-9 December 2014 and Post-Conference Excursion in Phrae-Sukhothai, Thailand on December 10-12, 2014.
    10. P Kumarathilaka, H Wijesekara, B.F.A Basnayake, K Kawamoto, M Vithanage. 2014. Volatile organic compounds (VOCs) produced from Gohagoda municipal solid waste landfill leachate, Sri Lanka. The 5th International conference on Sustainable Built Environment, Kandy, Sri Lanka, 12-15 December 2014.
    11. S.S.R.M.D.H.R Wijesekara, N.D Silva, B.F.A Basnayake, M Vithanage. 2013. Application of resistivity imaging techniques for ground investigation and characterization of open municipal solid waste dump site in Sri Lanka. International conference on solid waste 2013: Innovation in Technology and Management, Wan Chai, Hong Kong, 5-8 May 2013 (ISBN 978-988-19988-4-2).
    12. S.S Mayakaduwa, S.S.R.M.D.H.R Wijesekara, A.R Siriwardana, B.F.A Basnayake, M Vithanage. 2013. Evaluation of physicochemical characteristics, heavy metals and humic substances in leachate generated from Gohagoda municipal solid waste dumpsite. International conference on solid waste 2013: Innovation in Technology and Management, Wan Chai, Hong Kong, 5-8 May 2013 (ISBN 978-988-19988-4-2).
    13. S.S.R.M.D.H.R Wijesekara, M Vithanage, K Dideriksen, K Mahatantila, B.F.A Basnayake. 2012. Application of nano zero valent iron for landfill leachate treatment in the tropics. The 7th Asian Pacific Landfill Symposium, Bali, Indonesia, 8-11 October 2012 (http://www.aplasbali2012.org/downloards)
    14. S.S Mayakaduwa, A.R Siriwardana, S.S.R.M.D.H.R Wijesekara, B.F.A Basnayake, M Vithanage. 2012. Characterization of landfill leachate draining from Gohagoda open dumpsite for dissolved organic carbon nutrients and heavy metals. The 7th Asian Pacific Landfill Symposium, Bali, Indonesia, 8-11 October 2012 (http://www.aplasbali2012.org/downloards)
    15. S.S.R.M.D.H.R Wijesekara, R.M.A.U Rajapaksha, I.P.L Jayarathne, B.F.A Basnayake, M Vithanage. 2011. Toxic metals in soils contaminated by landfill leachate in Kandy, Sri Lanka. The 12th Annual Conference of Thai Society of Agricultural Engineering “International Conference on Agricultural Engineering” Chon-Chan Pattaya Resort, Chonburi, Thailand, 31 March-1 April 2011.
    16. B.G.N Sewwandi, S.S.R.M.D.H.R Wijesekera, A Rajapaksha, M.I.M Mowjood, M Vithanage. 2011. Risk of Soil and Water Pollution by Heavy Metals in Landfill Leachate. The 12th Annual Conference of Thai Society of Agricultural Engineering “International Conference on Agricultural Engineering” Chon-Chan Pattaya Resort, Chonburi, Thailand, 31 March-1 April 2011.

     

    Abstract Publications in Scientific Conferences

    1. P.I. Wijesiriwardhana, S.K. Gunathilake, H. Wijesekara, A. Rathnayake. 2022. Utilization of Polyethylene Terephthalate Dust and Wastewater Sludge as Eco-brick Materials. Applied Sciences Undergraduate Research Symposium (APSURS), Sabaragamuwa University of Sri Lanka, 6 April 2022
    2. D.M.G. Jayalath, P.D. Sandaruwan, C.P. Udawatte, D.N.S. Wanniarachch, H. Wijesekara, R.S. Diyabalanage I. Gunasekara and G. Zoysa.  A Preliminary Study to Determine the Geographic Origin of Low-Gem Quality Corundum in Sri Lanka. 11th Annual Research Sessions of Sabaragamuwa University of Sri Lanka. Faculty of Management Studies, Belihuloya, Sri Lanka, 21 December 2021
    3. P.D. Sandaruwan, R.D.M.G. Jayalath, C.P. Udawatte, D.N.S. Wanniarachchi, H. Wijesekara, I. Gunasekara, R.S. Diyabalanage and G. Zoysa. Determination of the Spectrophotometric Properties of Low-Quality Gems in Sri Lanka: A Case Study from Marapana,11th Annual Research Sessions of Sabaragamuwa University of Sri Lanka. Faculty of Management studies, Belihuloya, Sri Lanka, 21 December 2021
    4. M. Sewwandi, H. Wijesekara, A.U. Rajapaksha, S. Soysa, N. Nanayakkara, M. Vithanage. Implications for vector transport of polyethylene microplastics bound Pb2+: adsorption capacity and interaction mechanism. Young Scientists' Conference on Multidisciplinary Research (YSCMR), National Institute of Fundamental Studies, Kandy, Sri Lanka 21 October 2021
    5. P.R.M. Perera, E.P. Kudavidanage, E.P.N. Udayakumara, S.S.R.M.D.H.R. Wijesekara, A.I.U.De Zoysa, N.D. Kodithuwakku, H.M.R.P. Perera. Developing a conceptual therapeutic garden for the ecosystem sector in Sri Lanka: A perception analysis. International Conference on Environmental Governance, Colombo, Sri Lanka 24-25, November 2021
    6. A. Thilakshani, H. Wijesekara, N.S. Bolan, M. Vithanage. Microplastics Bound Transport of Antibiotics in Aquatic Environment. 2019 E2S2-CREATE and AIChE Waste Management Conference, CREATE Tower NUS, Singapore 11-13 March Page 35-36  
    7. S.S.R.M.D.H.R. Wijesekara, N.M. Abeywickrama. Energy use and co2 emissions reduction potential using a zero emission vehicle. The 7th international conference of Sabaragamuwa University of Sri Lanka, Belihuloya, Sri Lanka. 14-15 November 2019.
    8. P.R.M. Perera, E.P. Kudavidanage, E.P.N. Udayakumara, S.S.R.M.D.H.R. Wijesekara, A.I.U. De Zoysa, N.D. Kodithuwakku, H.M.R.P. Perera. Conservation of sri lankan medicinal planats using a noval medicinal garden concept. The 7th international conference of Sabaragamuwa University of Sri Lanka, Belihuloya, Sri Lanka. 14-15 November 2019.
    9. H Wijesekara, L Bradney, N Bolan, A U Rajapaksha, M Vithanage. Particulate plastics associated toxic trace-element transport in the environment. Association for Tropical Biology and Conservation (ATBC) – Asia-Pacific Conference, Thulhiriya, Sri Lanka, 10-13 September 2019.
    10. P.R.M. Perera, E.P. Kudavidanage, E.P.N. Udayakumara, S.S.R.M.D.H.R. Wijesekara, A.I.U. De Zoysa, N.D. Kodithuwakku, H.M.R.P. Perera. Designing a sustainable eco-friendly medicinal garden: a perception based model. Association for Tropical Biology and Conservation (ATBC) – Asia-Pacific Conference, Thulhiriya, Sri Lanka, 10-13 September 2019.
    11. N Bolan, L Bradney, H Wijesekara, Microplastics as a Vector for Environmental Contaminants. The 9th International Conference on Geochemistry in the Tropics & Sub-Tropics., Crowne Plaza Surfers Paradise, Queensland, Australia, 28-31 July 2019.
    12. H Wijesekara, N Bolan, L Bradney, Y Liu, A Surapaneni. 2018. Impact of particulate plastics on microbial activity in soil. 8th Annual Research Sessions of the Sabaragamuwa University of Sri Lanka, Belihuloya, 19 December 2018.
    13. L Bradney, H Wijesekara, Nanthi Bolan. 2018. Characteristics and ecotoxicity of particulate plastics in terrestrial and aquatic ecosystems. 1st Global Cleanup Congress, Coimbatore, India. 21-25 October 2018.
    14. N.S Bolan, H Wijesekara, M.Z Hossain, Y.S Ok. 2018. Soil health and food security. Asia Resilience Centre Conference, Korea University, Seoul, Republic of Korea, 26-28 November 2018.
    15. H Wijesekara, N.S Bolan, R Thangavel, P Matthews, J Bennett, A Surapaneni, C Saint. The effect of biosolids application on organic carbon dynamics in soil. 21st World Congress of Soil Science, Rio de Janeiro, Brazil 12-17 August 2018.
    16. H Wijesekara, N Bolan, A Kunhikrishnan, B Seshadri, Y Liu, A Surapaneni, Y.S Ok. 2018. Modulation of contaminant toxicity by particulate plastics in relation to microbial activity in biosolids amended soil. The 2nd International Conference on Bioresources, Energy, Environment, and Materials Technology, Gangwon Province, Korea. June 10-13, 2018.
    17. H Wijesekara, N Bolan, K Kolyvas , Y.S Ok. 2018. Dynamics of carbon stocks in biosolids amended soil: A global meta-analysis. The 2nd International Conference on Bioresources, Energy, Environment, and Materials Technology, Gangwon Province, Korea. June 10-13, 2018.
    18. N Bolan, H Wijesekara, N Obadamudalige, A Kunhikrishnan, A Surapaneni, Y.S Ok. 2018. Emerging contaminants of concern in biosolids. 2nd International Conference on Bioresources, Energy, Environment, and Materials Technology, Gangwon Province, Korea. June 10-13, 2018.
    19. N Bolan, H Wijesekara, A Kunhikrishnan, M.Z Hossain, Y.S Ok. 2018. Biochar application modulates soil health and fertility: a meta-analysis. 2nd International Conference on Bioresources, Energy, Environment, and Materials Technology, Gangwon Province, Korea. June 10-13, 2018.
    20. H Wijesekara, N Bolan, B Lutken, R Scanlon, N.L Obadamudalige, H Bowe, C Quinn, J Hindmarsh. 2018. A success of succession: Biosolids amendment in mine spoil rehabilitation and regeneration of soil. Mined Land Rehabilitation Conference, Newcastle, 12 April 2018
    21. H Wijesekara, N.S Bolan, K Colyvas, P Rippon, B Seshadri, R Thangavel, Y.S Ok, Y.M Awad, A Surapaneni, C Saint, G Tian, S Torri, M Vithanage. 2017. Biosolid application enhances carbon stocks in soil. ASA-CSSA-SSSA International Annual Meeting, Tampa, Florida, USA, 22-25 October 2017
    22. H Wijesekara, N.S Bolan, B Seshadri, Y.S Ok, Y.M Awad, A Surapaneni, C Saint. 2016. Biosolids application enhances soil carbon sequestration: A Meta-Analysis. NZASSS Conference, Queenstown, New Zealand, 12-16 December 2016.
    23. N Bolan, S Mandal, H Wijesekara, Y Xu, R Karunanithi, F Qi, A Kunhikrishnan, B Seshadri. 2016. Biochar-nutrient Interactions in Soil, Asia Pacific Biochar Conference, Kangwon National University, Chuncheon, Gangwon Province, Korea. 19-23 October 2016.
    24. H Wijesekara, N.S Bolan, B. Seshadri, Y.S. Ok, Y.M. Awad, A. Surapaneni, C. Saint. 2016. Quantification of biosolids application on soil organic carbon dynamics: A Meta-Analysis.SETAC-AU Conference, Hobart 4-7 October 2016.
    25. H Wijesekara, N.S. Bolan, B. Seshadri, Y.S. Ok, Y.M. Awad, A. Surapaneni, C. Saint. (2016) The Land Application of Biosolids on Soil Carbon Sequestration in Mined Lands: A Meta-Analysis, 6th Annual Mined Land Rehabilitation Conference at Singleton Civic Centre, Singleton, Australia, 7 April 2016.
    26. H Wijesekara, N.S Bolan, N Khan, A Surapaneni, C Saint. 2015. Sequestration of carbon in sandy soils-a ‘direct action’ tool in mitigating climate change. Smart Future Cities 2015 at Newcastle City Hall, Newcastle, Australia, 1-3 October 2015.
    27. V Jayaweera, H Wijesekara, S Wijebahu, P Kumarathilaka, I.R.M Kottegoda, S.R.D Rosa, M Vithanage. 2015. Starch coated nano-zero valent iron decorated graphene composite for Chromium(VI) removal from aqueous solution. 4th Nano Today conference, Dubai. 6-10 December 2015.
    28. M Vithanage, S.S.R.M.D.H.R Wijesekara, S.M.P.R Kumarathilaka, K Kawamoto, B.F.A Basnayake. 2014. Volatile organic compounds (VOCs) in the Gohagoda municipal solid waste landfill leachate, Sri Lanka. The International Conference on Contaminated Land, Ecological Assessment and Remediation (CLEAR 2014), Chuncheon, South Korea, 5-8 October 2014.
    29. M.T.V.P Jayaweera, S.S.R.M.D.H.R Wijesekara, M Vithanage, I.R.M Kottegoda, S.R.D Rosa. 2014. Synthesis and characterization of nanoparticulate zero valent iron-graphene composite. International Conference on Nanoscience and Nanotechnology (ICNSNT), Colombo, Sri Lanka, 12-13 August 2014.
    30. S.S.R.M.D.H.R Wijesekara, I.G.J.C Harischandra, S.M.P.R Kumarathilaka, M Vithanage. 2014. Fate and transport of selected nutrients and heavy metals in nanoscale zero valent iron amended sand columns. Peradeniya University International Research Sessions (iPURSE), 4-5 July 2014.
    31. K.H.T.D Kumarasinghe, S.S.R.M.D.H.R Wijesekara, M Vithanage. 2014. Starch stabilized zero valent iron nanoparticles on catechol remediation in aqueous media. Peradeniya University International Research Sessions (iPURSE), 4-5 July 2014.
    32. I.N.K Darandakumbura, A.R Siriwardana, S.S.R.M.D.H.R Wijesekara, M Vithanage, B.F.A Basnayake. 2014. Humic substances in landfill leachate and its removal using nanoscale zero valent iron, Peradeniya University International Research Sessions (iPURSE), 4-5 July 2014.
    33. S.S.R.M.D.H.R Wijesekara, M Vithanage. 2012. Synthesis and characterization of air stable Zero-valent Iron nanoparticles by different stabilizing agents. The First International Conference on Emerging Technologies. Indian Institute of Technology, Chennai, 14-16 September 2012.
    34. M Vithanage, S.S.R.M.D.H.R Wijesekara, I.P.L Jayarathna. 2012. Nanomaterials for landfill leachate treatment: The Sri Lankan perspective. The 1st International Conference on Emerging Technologies. Indian Institute of Technology, Chennai, 14-16 September 2012.
    35. S.S.R.M.D.H.R Wijesekara, B.F.A Basnayake, M Vithanage. 2012. Laboratory investigations of stabilized nano scale zero valent iron for the treatment of landfill leachate in the tropics. National Nanotechnology conference on Nanoscience and Nanotechnology in Sri Lanka: from science to commercialization, (ISBN 978-955-590-110-9), 22-23 August 2012. (http://dl.nsf.ac.lk/bitstream/1/9350/1/5.%20Hasanthi%20Wijesekara.pdf)
    36. S.S.R.M.D.H.R Wijesekara, M Vithanage, B.G.N Sewwandi, N.D Silva, B.F.A Basnayake. 2012. Contamination of wetlands through transport of pollutants generated from the municipal solid waste open dumpsite, Kandy, Sri Lanka. Japan Geoscience Union, 20-25 May 2012.
    37. M Vithanage, S.S.R.M.D.H.R Wijesekara, K Dideriksen, B.F.A Basnayake, S.L.S Stipp. 2012.  Application of organic compound treated nanoscale zero valent iron for remediation of COD and dissolved metal from landfill leachate in the humid tropics. The 6th Pacific Basin Conference on Adsorption Science and Technology, Taiwan, 20-23 May 2012.
    38. S.S.R.M.D.H.R Wijesekara, K Mahatantila, D.R.M.R.D.P Eheliyagoda, S.S Mayakaduwa, B.F.A Basnayake, M Vithanage. 2012. Fate and transport of pollutants generated from the Gohagoda open dumpsite, Kandy, Sri Lanka. International symposium on water quality and human health: challenges ahead. Postgraduate Institute of Science (PGIS), University of Peradeniya, Sri Lanka, 22-23 March 2012. (http://www.pgis.lk/watersym/docs/proceedings_2012.pdf)
    39. N.D Silva, S.S.R.M.D.H.R Wijesekara, B.F.A Basnayake, M Vithanage. 2012. Application of Geophysical tools for ground investigation and characterization, Gohagoda open dumpsite, Kandy. GSSL Annual Symposium, 24 February 2012. (http://www.gsslweb.org/home/files/Technical%20Sessions-12.pdf)
    40. A.U Rajapaksha, M Vithanage, H Wijesekara, M Ahmad, Y.S Ok. 2011. Efficacy of soybean stover-derived biochar for the removal of arsenic and antimony from aqueous solutions. The 1st International Symposium on Biochar, Kangwon National University, Korea, 8-9 December 2011. (http://www.biochar-international.org/sites/default/files/Proceeding%20Book_Korea.pdf)
    41. S.S.R.M.D.H.R Wijesekara, R.M.A.U Rajapaksha, I.P.L Jayarathne, M Vithanage, B.F.A Basnayake. 2011. Toxic metals in soils contaminated by landfill leachate in Gohagoda dumpsite, Kandy, Sri Lanka. GSSL Annual Symposium, Kandy, 25-26 February 2011.
    42. H.A.J Kumara, S.S.R.M.D.H.R Wijesekara, R.M.A.U Rajapaksha, I.P.L Jayarathna, A.L.T Hewawasam, M Vithanage. 2011. Fractionation and availability of heavy metals in Ratnapura gem bearing alluvium. GSSL Annual Symposium, Kandy, 25-26 February 2011.
    43. S.S.R.M.D.H.R Wijesekara, R.M.A.U Rajapaksha, I.P.L Jayarathne, B.F.A Basnayake, M Vithanage. 2011. The temporal variation of landfill leachate quality at Gohagoda dumpsite. International Forestry and Environment Symposium. University of Sri Jayewardenepura, Nugegoda, Sri Lanka, 2011 (ISSN: 2235-9427).
    44. M.S Vithanage, J.K Hettiarachchi, A.U Rajapaksha, H Wijesekara, T. Hewawasam. 2011. Heavy metals in Ratnapura alluvial gem sediments, Sri Lanka. American Geophysical Union Fall Meeting, San Francisco, California, USA, 5-9 December 2011. (http://adsabs.harvard.edu/abs/2011AGUFM.V13D2633V)
    45. S.S.R.M.D.H.R Wijesekara, A.C Shamendra, W.W.C.K Chandrasekara, S.K     Gunathilake, B.F.A Basnayake. 2010. Design and Evaluation of a Hydrolytic Phase Domestic Biogas Reactor. Mini symposium, Faculty of Applied Sciences, Sabaragamuwa University of Sri Lanka, Belihuloya, 2010.
    46. S.S.R.M.D.H.R Wijesekara, R.T.K Ariyawansha, N Madanayake, W.W.C.K Chandrasekara, B.F.A Basnayake. 2010. Determination of pseudo natural attenuation of leachate emission from Gohagoda dumpsite in Kandy. Third International Symposium (InSym 2010). Sabaragamuwa University of Sri Lanka, Belihuloya, 2010.
    47. A.C Shamendra, S.S.R.M.D.H.R Wijesekara, W.W.C.K Chandrasekara, S.K Gunathilake, B.F.A Basnayake. 2010. Modification and evaluation of the up-flow methanogenic phase reactor for domestic biogas plant. Third International Symposium (InSym 2010). Sabaragamuwa University of Sri Lanka, Belihuloya, 2010 (ISSN: 1800-4407).
    48. S.S.R.M.D.H.R Wijesekara, A.C Shamendra, J.M.C.K Jayawardana, N Premathilaka. 2009. The Leachate Quality Analysis for Compost Producing Solid Waste Management Plant.  Environmental Sciences and Natural Resources Management National Symposium (NRM 2009). Department of Natural Resources, Faculty of Applied Sciences, Sabaragamuwa University of Sri Lanka, Belihuloya, 2009.

    Recognized National/International awards for learning, research and teaching

  • Most cited researcher of the Sabaragamuwa University (2022)

    Best young researcher of the Sabaragamuwa University (2021)

    Soil Science Society of Australia Travel Scholarship for attending the 21st World Congress of Soil Science, Rio de Janeiro, Brazil (2018)

    Teaching Excellence and contribution to Student Learning Group Award, The University of Newcastle, Australia (2017)

    Higher Degree by Research Conference Scholarship by the Faculty of Science, The University of Newcastle, Australia for attending the American Society of Agronomy, Crop Science Society of America, and Soil Science Society of America, Tampa, USA (2017)

    Runner up, ATA Scientific Young Scientist Encouragement Award, Australia (2017)

    The second best poster presentation, 7th Annual mine Rehab conference, Muswellbrook, New South Wales, Sydney, Australia (2017)

    NSW Soil Science Society Travel Scholarship for attending the New Zealand and Australia Soil Science Societies’ joint conference, Queenstown, New Zealand (2016)

    President’s Award for Scientific publications, Sri Lanka (2016)

    Higher Degree Research Development Award, The University of Newcastle, Australia (2016)

    International Postgraduate Research Scholarship, The University of Newcastle, Australia (2015)

    NRC Merit Award for Scientific Publications, Sri Lanka (2015)

    CRC CARE Travel scholarship to attend Cleanup Conference, Melbourne, Australia (2015 and 2017)

    International President’s Scholarship for PhD studies at the University of South Australia (2014)

    The Best Research Paper in poster Presentation Session, PGIA annual congress, University of Peradeniya, Sri Lanka (2010)

    Patents Received

  • A method of synthesizing organic stabilized nano-particulate zero-valent iron. 2020. M.S Vithanage and S.S.R.M.D.H.R. Wijesekara. LK/P/1/17302.