PROF. R A MAITHREEPALA



Professor of Limnology and Water Technology
RA_Maithreepala

Educational Qualifications
  • B.Sc. (Ruhuna, SL)
  • MPhil in Environmental Chemistry(Ruhuna, SL)
  • PhD in Environmental molecular Science(National Tsinghua University, Taiwan)

Office Address
     Department of Limnology and Water Technology
     Faculty of Fisheries and Marine Sciences & Technology
     University of Ruhuna
     Wellamadama
     Matara (81000)
     Sri Lanka 		E-mail Address
     maithree@fish.ruh.ac.lk

Phone
      +94(0) 41 22 27 026
           Ext 5108
     
    Administrative Positions

  • Chairman Board of study FMST form 2020 to date
  • Member IQAC-FMST from 2017 to date
  • Member Curriculum Development committee
  • Chairman SER-Writing committee for Programme Review on B.Sc Honours in Fisheries and Marine Sciences Degree programme-2020.
  • FMST Faculty representative for senate from 2017-2019
  • Dean of the Faculty of Fisheries and Marine Sciences & Technology 2014-2017.
  • Head of the Department of Limnology 2007-2014
  • Chief Coordinator for the Service Laboratory of the Faculty of Fisheries and Marine Science & Technology up to date. 2013-2017
  • Deputy proctor of the Faculty of Fisheries and Marine Sciences & Technology 2009-2014
    Teaching Courses

  • Introduction to Limnology
  • Physical and Chemical Limnology
  • Aquatic chemistry
  • Aquatic toxicology
  • Hydrology
  • Hydrogeology
  • Water and waste treatment
  • Geochemistry
  • Geological and geographical aspects for natural aquatic systems
  • Nanotechnology
    Research Interest

  • Mineral water interfacial processes
  • photochemical processes and application of plant materials for water purification
    Publications

Pear reviewed full paper

  • Pathirana Hema M.K. K, and R.A. Maithreepala (1997) Photodegradation of 3, 4- dichloropropionamide in aqueous TiO2suspensions.Journal of Photochemistry and Photobiology A: Chemistry102 (2): 273-277.
  • Doong, R. A., R. A. Maithreepala, and S. M. Chang.(2000) Heterogeneous and homogeneous photocatalytic degradation of chlorophenols in aqueous titanium dioxide and ferrous ion. Water Science and Technology 42 (7-8): 253-260.
  • RA Doong, CH Chen, RA Maithreepala, SM Chang (2001).The influence of pH and cadmium sulfide on the photocatalytic degradation of 2-chlorophenol in titanium dioxide suspensions. Water research 35 (12): 2873-2880.
  • R.A. Maithreepala, and Ruey-an Doong(2004). Synergistic Effect of Copper ion on the Reductive Dechlorination of Carbon Tetrachloride by Surface-Bound Fe (II) Associated with Goethite. Environmental science & technology38(1): 260-268.
  • R.A. Maithreepala, and Ruey-anDoong (2004). Reductive Dechlorination of Carbon Tetrachloride in Aqueous Solutions Containing Ferrous and Copper Ions.Environmental science & technology38 (24): 6676-6684.

  • R. A. Maithreepala, and R-A. Doong (2004). Enhanced remediation of carbon tetrachloride Fe (II)-Fe (III) systems in the presence of copper ions.Water Science & Technology50 (8):161- 168.
  • R.A. Maithreepala, and Ruey-an Doong (2005).Enhanced Dechlorination of Chlorinated Methanes and Ethenes by Chloride Green Rust in the presence of Copper(II). Environmental science & technology39 (11): 4082-4090.
  • R. A. Maithreepala, and Ruey-an Doong(2008). Effect of biogenic iron species and copper ions on the reduction of carbon tetrachloride under iron-reducing conditions,Chemosphere70( 8): 1405–1413
  • R. A. Maithreepala, and Ruey-an Doong (2009). Transformation of carbon tetrachloride by biogenic iron species in the presence of Geobacter sulfurreducens and electron shuttles.Journal of Hazardous Materials164.(1)337-344.
  • Asanthi and R. A. Maithreepala (2014) The benthic macro-invertebrate diversity in relation to water quality of a stream habitat at Dediyagala, Sri Lanka. Sri Lanka Journal of Aquatic Science vol 19,15-29.
  • R.A. Maithreepala, Doong, R. A. (2013) Extraction of Trace Elements in Human Fluids Using Cation Exchange Resin (Chelex-100) Columns for ICP-MS analysis, Journal of University of Ruhuna. Vol 01 No 02: 23-30.
  • Aththanyaka, W. K. A. M. T. S., H. B. Asanthi, and R. A. Maithreepala. (2014) An assessment of the effects of hospital wastes released to Nilwala river, Matara. Journal of the University of Ruhuna 2, No. 1-2: 33-39.
  • W. K Suwandhahannadi, R. A Maithreepalaand H. B. Asanthi (2014) Assessment of the Acute Toxicity of Oil Dispersant Type 3 (4− amino−1, 2 dithiolane− 4− carboxalic acid) on Abudefduf vaigiensis Under Laboratory Conditions. Asian Journal of Natural & Applied Sciences Vol 3, No 4.:14-22.
  • Rajapaksha,B.M. M, R. A. Maithreepala, H. B. Asanthi (2014) Water quality and biology of hot springs waters of Mahapelessa,Sri Lanka. Scientific Research Journal (SCIRJ), Volume II, Issue XII, December 2004.
  • M.V.K.S.Wichramanayake, R. A. Maithreepala and H.B. Asanthi (2016). Efficiency assessment of an oil dispersant (Adt type 3) by Swirling flask test & Baffled flask test under laboratory condition. International Journal of Scientific and Research Publications. Volume 6. Issue 7, July 2016.
  • H.C.C.De Silva, R. A. Maithreepala, H.B.Asanthi and T. Priyadarshana (2016). Spatial and Temporal Variation of Physico-chemical Parameters and Primary Productivity in Muruthawela Reservoir, Sri Lanka. Asian Journal of Agriculture and Food Sciences. Volume 04-Issue 04, August 2016.
  • Ruey-An Doong, RA Maithreepala, Sue-Min Chang (2005),Coupled Transformation of Carbon Tetrachloride and Copper Ion by Nanocrystalline Ferric Oxides and Ferrous Ions. Journal of Colloidal and interphacial science界面科學會誌Vol.27 No.1, pp 65-75.
  • R. A. Maithreepala, & Doong, R. A.(2006) Dechlorination of Chlorinated Methanes by Ferrous ion associated with various iron oxide minerals. Journal of Environmental Engineering and Management, Vol. 16, No. 4, pp. 225-231.
  • R. A. Maithreepala and S.B. Haderlien (2009) Effect of Organic matter on the Reductive Dechlorination of Chlorinated Hydrocarbons by Surface-mediated Fe(II) Associated with Goethite. Proceedings of the Sixth Academic Sessions, University of Ruhuna. Vol 6,44-49.
  • K.M.D. Subashini, H.B.Asanthi and R. A. Maithreepala (2013)Dental fluorosis and consumption of groundwater: A case Study in Madagama GN Division, Moneragala. Water Resources Research in Sri Lanka. Symposium proceedings of the water professionals’ day, October 01, 2013 127-135.
  • K.M.D. Subashini, H.B.Asanthi and R. A. Maithreepala (2013)Dental fluorosis and consumption of groundwater: A case Study in Madagama GN Division, Moneragala. Water Resources Research in Sri Lanka. Symposium proceedings of the water professionals’ day, October 01, 2013 127-135.
  • B.H.D.Wijerathne, R. A. Maithreepala and H.B. Asanthi (2013) Impact of Land use patterns in catchment of Nilwala River on water quality. Water Resources Research in Sri Lanka. Symposium proceedings of the water professionals’ day, October 01, 2013 page 161- 171.
  • R.M.C.R.P.Bandara, R.A.Maithreepala and P.T.Kirinde Arachchige (2012), Effect of Environmental Factors on Manganese Levels in Muruthawela Reservoir, A Major Drinking Water Source in Hambantota District in South Sri Lanka Water Resources Research in Sri Lanka. Symposium proceedings of the water professionals’ day, October 01, 2012 163-174.
  • R.A.Maithreepala, (2013) Behavior of Arsenic in hydro-geochemical environment: A short review. ROHANA Research journal of University of Ruhuna,09, 99-122.
Pear reviewed presentations published as abstracts

  • Wikramanayaka, W.P.I.S., Maithreepala,R.A., Jayasinghe,A.D (2020), Removal of Fluoride from Drinking Water using Heat treated pellets of Eggshell poweder and Clay mixture. Proceedings of the Seventeenth Academic Sessions, University of Ruhuna,page 71,(ISBN 2362-0412 ).
  • Rasanjalee A.A.M.D, Jayasinghe,U.A.D., Maithreepala R.A.(2019) An Assesment of the effectiveness of Drinking Water Purification System used in a CKDU prone area: a Case study from Madawachchiya. Proceeding of the 24th International forestry and Environment symposium-2019. 11th-12th October 2019 at Jetwing Bue,Negambo, Sri Lanka. Page72.
  • Buddhi Prasad, H.G.S., Maithreepala.R.A., and Asanthi,H.B. (2019) Assessment of the quality of water in selected dug-wells in walasmulla area and possible use of Pumpkin (Cucurbita pepo) and Kottamba (Terminalia catappa)seeds to correct the pH level. Proceeding of the 25th Anniversary Scientific Sessions of the Sri Lanka Association for Fisheries and Aquatic Resources (SLAFAR)19th August 2019. Page 05.
  • Gunathilaka,K.P.D., Atapaththu,K.K.S., and Maithreepala, R.A.(2019), Combine effect of substrate and water flow rate on Aponogeton crispus, Hydrilla verticillata and Vallisneria natans. Proceeding of the 25th Anniversary Scientific Sessions of the Sri Lanka Association for Fisheries and Aquatic Resources (SLAFAR)19th August 2019. Page 18.
  • Nifkhan,N.M and Maithreepala,R.A. (2019), Bioremediation capacity of Perna viridis (Green Mussels) in Biological effluents from different sources. Proceeding of the 25th Anniversary Scientific Sessions of the Sri Lanka Association for Fisheries and Aquatic Resources (SLAFAR)19th August 2019. Faculty of Fisheries and Marine Sciences &Technology, University of Ruhuna, Matara Sri Lanka. Page 25.
  • Hapuarachchi,E.P., Maithreepala,R.A., Jayasinghe,U.A.D (2018) Possible Application of Bacopa monnieri to treat wastewater with textile dye at moderately high salinity conditions. Proceedings of 15th Academic Sessions of University of Ruhuna. Page 43. ISSN 2362-0412.
  • Jayalath, G.E.D., Maithreepala,R.A., and Kodikara, G.R.L.(2018), Study on Geological and Chemical Factors controlling calcite deposition in natural waters (Tufa) at Handagiri Ella, Balangoda,Sri Lanka. Proceedings of 15th Academic Sessions of University of Ruhuna. Page 44. ISSN 2362-0412.
  • Saranathilaka, M. N and R.A.Maithreepala (2017), Softening and Defluoridation of Domestic Drinking water Using Seeds Extract of Moringa Oleifere and Strychnos Potatorum. Book of Abstract 14th Academic Sessions of University of Ruhuna-2017, page 69. ISSN 2362-0412.
  • S.A.A.W. Sandam,ali, G.G.Jayasinghe, R.A.Maithreepala and K.L. Wasanthakumara (2017) Studing Desease Development of Rough Bark Disease of Cinamon (Cinnamomum zeylanicum Blume).Proceedings-Student Session, International Symposium on Agriculture & Environment (ISAE)-2017, page 15.
  • Priyadarshani, K., R.A.Maithreepala, (2016), Influence of Salt Water Barrier on Upstream Water and Sediment Quality: A case Study from Ambalantota Drinking Water pumping Station of Walawe River in Sri Lanka. Book of Abstract of 13th Academic Sessions of University of Ruhuna-2016, page 76. ISSN 2362-0412.
  • C. Wickramasinhe, P. T. Kirinde Arachchige, and R.A.Maithreepala (2015) Resource Efficient Cleaner Production of Rubber Processing Factory Located at Horana, Sri Lanka, Proceedings of International Symposium on “Environmental Management and Planing” Organized by Central Environmental Authority of Sri Lanka, page, 23. ISSN 2362-0412.
  • Arachchige, R. A. Maithreepala, H.B. Asanthi (2015) A Greener Method for Reduction P. T. K. of COD and Zinc Level in Textile Effluents during Primary Treatment Process. Proceedings of the First International Symposium on Environmental Management and Planing, 23rd-24th February 2015, Page 29.
  • Nayeem, V., R. A. Maithreepala and H. B. Asanthi (2015), Free-floating Aquatic Plants in Modified Constructed Wetland Systems for Enhancing Treatment Efficiency in Textile Dye Effluents. Book of Abstract of 12th Academic sessions of University of Ruhuna page 75. ISSN 2362-0412.
  • T.P.D.S.Bandara, H.B.Asanthi and R. A. Maithreepala (2015) Determination of water Quality and evaporation of the tropic state of Udukirivila reservoir, weeraketiya, Sri Lanka. Proceedings of International Conference on Dryzone Agriculture-2015 (ICDA 2015),which was held at the Faculty of Agriculture, University of Jafna during 15th-16th October 2015.
  • H.C. C.De Silva, R.A. Maithreepala, H.B.Asanthi and T. Priyadarshana (2014) Vertical variation of primary productivity and phytoplankton Density in Muruthawela Reservoir in Sri Lanka. Book of Abstracts of SLCARP International Agricultural Research Symposium-2014, page119. ISSN 2362-0412.
  • De Silva, H.C.C., R.A. Maithreepala, H.B. Asanthi, and T. Priyadarshana (2014), Diurnal Vertical Distribution of Zooplankton with Variations of Basic Physico Chemical Parameters in Muruthawela Reservoir. Book of Abstract of 11th Academic Sessions of University of Ruhuna-2014, page 93.
  • P. Rajiharan, R.A.Maithreepala and H.B. Asanthi (2014) Efficiency of Typha Latifolia (Broad-Leaved Cattail) for treatment of Municipal wastewater from Batticaloa Urban council using constructed wetlands. Presented at the 11th Academic sessions of University of Ruhuna.
  • Aththanayaka, W.K.A.M.T.S., Asanthi, H.B,and Maithreepala,R.A.(2013)Assessment of the effect of hospital wastes release to Nilwala river, Matara on the River Water Quality. Book of Abstract of the 10th Academic session of University of Ruhuna. Page 26.
  • Madushanka, H.M.T.C, Asanthi, H.B., and Maithreepala,R.A.(2013). Assesment of the water Quality and macro-benthos diversity in a stream ecosystem, Dediyagala, Matara. Proceedings of the Ninteenth Sessio ns of the SLAFAR which was held during 16th-17th May 2013. Page 22.
  • Maithreepala, R.A and Haderlien, S.B (2013) Increased Reductive dechlorination of Chlorinated Hydrocarbons in Surface-Mediated Fe(II) Associated with Goethite by adding Low Concentration of Quinone Moities. “International Humboldt Kolleg on Management of Water, Energy and Bio-resources in Changing Climate Regime:Emerging Issues and Environmental Challenges”which was conducted at School of Environmental Sciences in Jawaharlal Nehru University, India during 8-9 February 2013.
  • R.A.Maithreepala and Ruey-an Doong (2012) Development of an extraction method for analysis of trace elements in human blood and urine using home-made Cation Exchange Resin (Chelex-100) columns for ICP analysis. Book of Abstract of 09th Academic Sessions of University of Ruhuna-2012, page 29.
  • R.M.C.R.P.Bandara, R.A.Maithreepala, P.T.Kirinde Arachchige and H.B. Asanthi (2012), Seasonal variation of Manganese species in Muruthawela Reservoir: A Drinking Water Resource in Hambantota District. Water Quality and Human Health: Challenges ahead. Symposium proceedings of the water professionals’ day, organized by, Postgraduate Institute of Science(PGIS), University of Peradeniya, Sri Lanka and Toyama Prefectural University, Japan, March 22-23,.
  • R.A.Maithreepala (2011) Influence of Humic acid and quinone moitiess on the reductive dechlorination of chlorinated hydrocarbons in natural Fe(II)-Fe(III) systems. Proceedings of the Seventh Annual Scientific Sessions of SLAFAR. 19th-20th May 2011. Page 37.
  • R.A. Maithreepala and S.B. Haderlien (2009) Effect of natural organic matter on the reductive dechlorination of chlorinated hydrocarbons by surface mediated-Fe(II) associated with Goethite. Book of Abstract 6th Academic sessions of University of Ruhuna. Page 39.
  • R.A. Maithreepala and R-A, Doong(2007). Dechlorination of Carbon tetrachloride by Ferrous Iron associated with Iron Oxide nano particles. Programme and Abstracts of the Forth Academic sessions, University of Ruhuna. Page 30.
  • R.A. Maithreepala, Ruey-an Doong, YengLung Lai and Berhard Shink (2001). Reduction of chlorinated hydrocarbons in the presence of ferrihydrite using cysteine as an electron carrier. This papers at the American chemical society vol. 223, page U-601.
  • Hema M. K. Pathirana and R. A. Maithreepala (1998). A Novel Chemical Method for Remediation of Persistent Pesticides. Session D3 of the First International Conference on “Remediation of Chlorinated and Recalcitrant compounds” Which was held in Double Tree & Marriott Hotels/ Monterey Conference Centre, Monterey, California, USA during 18-21- May 1998. Page 127.
  • R. A. Maithreepala and Hema, M.K.K. Pathirana (1996), Photodegradation of Organic pollutants by semiconductors. Proceedings part 1 of the 52nd Annual session of Sri Lanka Association for the Advancement of Science. E2-46 Page 217.
  • R.A. Maithreepala, Hema M.K.K. Pathirana (1997) Degradation ofPersistent Organo Phosphorous pesticide by usingTiO2 as a Photocatalysts. Proceedings of 53rd Annual session of Sri Lanka Association for the Advancement of Science.E2-46 Page 370.
  • Hema.M.K.K. Pathirana, R.A.Maithreepala, P.R.T. Cumaranatunga and G. Bandarage,(1995)Heavy metal Pollution in a Lagoon in the southern region of Sri Lanka .Contaminated Soils, Third International Conference on The Biogeochemistry of Trace Elements. 15-19 May 1995 in Paris France. Section B2.
  • R.A.Maithreepala, Hema M.KK. Pathirana and P.R.T. Cumaranatunga (1996) Bio Accumulation of heavy metals in edible fish in a lagoon of Southern Sri Lanka. Programme & Abstract of Papers of Regional Workshop on “Research for the Management of Coastal Resources in the Tropics” held during 09th-10th October 1996 at NARA.
  • H.M.K.K.Pathirana, R.A. Maithreepala and P.R.T. Cumaranatunga (1997). Accumulation of Heavy Metals in Fin-Fish from a Lagoon in Sri Lanka. Proceedings of “Fourth International Conference on the Biochemistry of Trace Elements” Which was held in Clerk Kerr Campus, Berkeley, Califonia, USA.

    Awards

  • Presidential awards for scientific publications awarded by National Science Foundation of Sri Lanka - 2009
  • Presidential awards for scientific publications awarded by National Science Foundation of Sri Lanka - 2008
  • Alexander Von Humboldt post- doctoral Research Fellowship 2007
  • Award for the best research and presentation by Chinese Institute of Environmental Engineering 2005
  • Research fellowship awarded from National Science council to Taiwan, Republic of China attached to Department of Atomic Science, National Tsing Hua University, 2001-2004 .
  • General Scholarship award for Foreign students by Ministry of Higher education Taiwan Republic of China 2003
    Grants

  • NARP/12/URU/FMST/01 (2012-2014) 3.5 million Rs
  • Oil Disperson Toxicity project 0.75 million Rs
    National Services

  • 2017

    • Member of the editorial board of the Report on Port Biological Baseline survey volume IV (Hambantota harbour) Collaborated with Marine Environment Protection Authority (MEPA): ISBN 978-955-4826-06-9

    • Member of the editorial board of the Report on Port Biological Baseline survey volume III (Galle harbour) Collaborated with Marine Environment Protection Authority (MEPA): ISBN 978-955-4826-05-2

    • Member of the editorial board of the Report on Port Biological Baseline survey volume II (Trincomalee harbour) Collaborated with Marine Environment Protection Authority (MEPA): ISBN 978-955-4826-04-5

    • Member of the editorial board of the Report on Port Biological Baseline survey volume I (Colombo harbour) Collaborated with Marine Environment Protection Authority (MEPA): ISBN 978-955-4826-03-8

  • 2016

    • Member of the National Committee on Livestock, Aquaculture & Fisheries of Sri Lanka Council for Agricultural Research Policy (SLCARP), Ministry of Agriculture.

  • 2016

    • Member of the committee for the formation of strategies for the implementation of National Research and Development Framework (NRDF) (water section).

  • 2013 - 2016

    • Principal Investigator for water Quality, environmental group of Tricomalee port Baseline biological survey of Trincomale harbor.

  • 2013 - 2016

    • Principle Investigator of Water Quality team of Port Biological Baseline Survey –Colombo National project.

  • 2013 - 2015

    • Member of the National Project Team of Fukushima marine Environmental project IAEA/RAS/7/024: Supporting nuclear and Isotopic Techniques to Assess Clmate Change for Sustainable Maine Environment.

  • 2011 - 2015

    • Member of the National Project Team of Fukushima marine Environmental project. Project No IAEA/RAS/7/021: Marine Benchmark study on the possible impact of Fikushima radioactive release in the Asia-Pacific Region.

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Testimonials

    

To me,FMST is the ideal place to study about the Marine Sciences in Sri Lanka.FMST helped me grow and excel as a student,all the while nurturing my love for the ocean, backed by some of the best academics in this field.



S K Edirisinghe
    

Being selected as a student of FMST is the major turning point in my life. Within the premises of FMST, I was provided with myriads of opportunities to explore new horizons and to build up my personality. This is the perfect place to grab the knowledge about Fisheries and Marine Sciences. All academics & extracurricular activities not only widened my knowledge, but also heightened my passion for my future career.



R M K S Gimhani

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  • POSTAL ADDRESS
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         University of Ruhuna,
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         Sri Lanka
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