Faculty of Applied Sciences: Recent submissions

Now showing items 61-80 of 234

Potential of Phytoremediation Techniques to Improve the Quality of Reverse Osmosis Concentrate

Yapa, Y.M.N.C.; Dissanayaka, D.M.S.H.; Nirmanee, K.G.S. (University of Sri Jayewardenepura 2018, 2018-11)

Attached
Performance Evaluation of Constructed Wetland Units for Domestic Greywater Treatment

Dissanayake, D.M.T.S.; Dissanayaka, D.M.S.H.; Jayaneththi, J.P.H.U. (University of Sri Jayewardenepura 2018, 2018-11)

Attached
Reduction of Chemical Oxygen Demand by Enhancing the Activity of Tertiary Treatment by Modifying Advanced Oxidation Process for Herbal Pharmaceutical Industry Wastewater

Adikaram, D.M.T.P.; Chandrathilake, G.G.T.; Jayaneththi, J.K.S.R. (University of Sri Jayewardenepura 2018, 2018-11)

Herbal pharmaceutical industry generates wastewater containing very high-level of chemical oxygen demand (COD), high levels of biological oxygen demand (BOD), color intensity and suspended solids. Therefore, the main ...
Migration of Phthalic Acid Esters from PET Water Bottles: Implications of Reusing Empty Bottles for Storing Ambient and Warm Water for Subsequent Consumption

Perera, P.H.G.; Bandara, N.J.G.J.; Danushika, U.A.A.G; Jayaweera, M.W.; Somaratne, M.C.W.; Thathsara, S.K.T.; Gunawardana, B.; Manatunge, J.M.A. (University of Sri Jayewardenepura 2018, 2018-11)

Phthalic Acid Esters (PAEs) are a group of emerging contaminants that are widely used as a plasticizer in manufacturing polyethylene terephthalate (PET) bottles to improve softness, flexibility, durability, longevity and ...
Evaluation of Quality and Performance of Compost Made by Co-Composting Municipal Solid Waste and Slaughter House Waste

Dissanayake, N.U.S.; Bandara, N.J.G.J.; Fernando, K.M.E.P. (University of Sri Jayewardenepura 2018, 2018-11)

Municipal solid waste (MSW) has become a severe problem due to the absence of a proper management system and lack of proper waste disposal plans. This problem is accelerated by adding slaughter house waste (SHW) into the ...
Phytoremediation for Excess Water Hardness in Drinking Water: A Causative Factor for CKDu in Bandagiriya

Premarathne, M.A.P.N.; Asanthi, H.B.; Atapaththu, K.S.S. (University of Sri Jayewardenepura 2018, 2018-11)

Attached
Investigation on Ensuring Non-Drinking Water Supply During Peak Demand; A Case Study Done at Madu Church in Sri Lanka

Bandara, H.R.L.C.; Weerasekara, W.B.M.L.I.; Weragoda, S.K. (University of Sri Jayewardenepura 2018, 2018-11)

Madu church is a one of the most important sacred religious places of Sri Lanka located in Mannar district (N 8.8550o E 80.2028o). During festival seasons over one million of devotees visit Madu Church. National Water ...
Investigation of Stabilization of Natural Dyes to Textile Dye Industry

Wijayapala, S. (University of Sri Jayewardenepura 2018, 2018-11)

The major problem regarding natural dyes was lack of availability of standard shade cards and reproducibility of shades; as a result the synthetic dyes have captured the market. Because clothing is in constant contact ...
Perception of Generation Y on Waste Disposal and Waste Management in Sri Lanka

Wanodya, W.G.M.U.; Perera, H.P.N. (University of Sri Jayewardenepura 2018, 2018-11)

Solid waste piling has become a serious problem to Sri Lanka. It was proven from Meethotamulla garbage dump tragedy. Serious discussions took place and committees were appointed to look into the problem as a whole. Waste ...
Facile Synthesis of Fe3O4/TiO2 Composite with Enhanced Magnetic and Photocatalytic Properties for Water Purification

Wathsala, K.L.; Kulathunga, M.U.S.; Jayaweera, P.M.; Palliyaguru, L. (University of Sri Jayewardenepura 2018, 2018-11)

The regeneration of TiO2 used in water purification via photocatalytic reactions is usually carried out using flocculation, and centrifugation. However, the major drawbacks in these methods are the needs of additional ...
Assessment of Environmental Consequence of Nitrogenous Fertilizer Leaching in Farmer Paddy Fields through Grey Water Footprint Concept

Palliyaguru, M.P.G.N.M.; Navaratne, C.M.; Wickramasinghe, D.D.; Nanayakkara, C.M. (University of Sri Jayewardenepura 2018, 2018-11)

Rice is one of the important food crop for growing population which demands high levels of nitrogen typically supplied in the form of nitrogen base straight chemical fertilisers. Nitrate which is the most significant and ...
Polystyrene Waste Management via Catalyst Assisted Modified Thermal Cracking Process to Form Less Toxic Organic Byproducts

Malalasekara, P.P.; Karunarathne, P.K.D.M.C. (University of Sri Jayewardenepura 2018, 2018-11)

Polystyrene is one of the most widely used polymers in the world today. Polystyrene production has been increasing dramatically, mainly due to its low cost and ease of manufacturing. Furthermore, polystyrene materials ...
Method Validation for Analysis of Aroclor 1260 in Transformer Oil using Gas Chromatography-Electron Capture Detection

Jeevanantham, J.J.; Dissanayake, D.A.T.W.K.; Liyanaarachchi, G.V.V.; Mubarak, M.N.A.; Wijesinghe, W.M.A.K.; Wijegunasekara, J.K.A.B. (University of Sri Jayewardenepura 2018, 2018-11)

Polychlorinated Biphenyls (PCBs) are a group of synthetic aromatic compounds which has been used as thermal insulators and coolants in transformers, capacitors, motors and hydraulic systems due to the high thermal capacity ...
Awareness and Current Practices of Biomedical Waste Management in Kandy District, Sri Lanka

Heshani, A.L.S.; Abeysinghe, A.M.M.S.M. (University of Sri Jayewardenepura 2018, 2018-11)

Improper management of biomedical waste possesses serious occupational health consequences and negative environmental impacts. The present study aimed to conduct a preliminary survey on current biomedical waste management ...
Litter Phosphorus Load and On Farm-Eutrophication Potential of Naturally Ventilated Open and Tunnel Ventilated-Closed House Broiler Production Systems

Atapattu, N.S.B.M.; Abeywickrama, L.M.; Gunawardane, W.W.D.A.; Munasinghe, M. (University of Sri Jayewardenepura 2018, 2018-11)

Eutrophication of water bodies due to the leaching and run off of nutrients, mainly nitrogen and phosphorus (P) from spent poultry litter has become a severe environmental issue in many countries. Risks of eutrophication ...
Social Conformity in Solid Waste Management

Ranawake, A.P.; Wijesinghe, M.A.S.; Bandara, N.J.G.J. (University of Sri Jayewardenepura 2018, 2018-11)

The National Policy of Solid Waste Management (SWM) was publicised in Sri Lanka in the year 2007 with the aim to have waste-free Sri Lanka by 2011. However, the spread of Dengue epidemic and respiratory syndromes persuade ...
Identification of Harmful Marine Microalgae with Special Reference to Physico-Chemical Aspects of Coastal Waters in Western Province, Sri Lanka

Jayawardhane, J.K.P.C.; Manage, P.M.; Weerasekara, K.A.W.S. (University of Sri Jayewardenepura 2018, 2018-11)

The objectives of the study were to identify the harmful marine microalgae; their abundance, composition; and determine the associations between coastal water quality and phytoplankton community. One hundred and sixty-five ...
A Simplified Mathematical Model to Determine the Degradation Coefficient and Order of Decay for Activated Sludge Process

Dharmadasa, K.H.S.M.; Chairuangsri, S.; Muthukudaarachchi, K.H. (University of Sri Jayewardenepura 2018, 2018-11)

The Activated Sludge Process (ASP) is the largely used biological treatment of wastewater, fundamentally because it is a cheap technology, which can be adapted to vast range of wastewater. In the ASP, a bacterial biomass ...
Seed Oil Production of Plantation Grown Santalum album due to Selected Host and Agro Ecological Variations

Piyarathna, P.H.P.; Subasinghe, S.M.C.U.P.; Hettiarachchi, D.S. (University of Sri Jayewardenepura 2018, 2018-11)

Santalum album grown in Sri Lanka, India, and Indonesia, is subjected to over-exploitation for a long period due to its demand for stem oil. According to the previous findings of Santalum spicatum, (Australian sandalwood) ...
Comparative Study on Chemical Compositions of Bark and Leaf Essential Oils of Sri Wijeya and Sri Gemunu Cinnamon Varieties (Cinnamomum Zeylanicum Blume) Developed in Sri Lanka

Lokuge, C.M.; Weerathunge, H.D.; Abeysekera, W.P.K.M.; Premakumara, G.A.S.; Chandrathilake, G.G.T.; Samaraweera, D.N. (University of Sri Jayewardenepura 2018, 2018-11)

The bark oil and leaf oil obtained by hydro-distillation of Sri Wijeya and Sri Gemunu varieties of Cinnamomum zeylanicum Blume were investigated by Gas chromatography-Flame Ionisation Detector (GC-FID) and Gas ...

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