• A critical appraisal of the water supply and sewage disposal arrangements in the univesity of Moratuwa 

  Sabanesan, SS [Thesis-Abstract]

  A convenient supply of safe water and the sanitary disposal of human wastes are essential ingredients of a healthy, productive life* With this in view a critical appraisal of the water supply and sewage disposal ...
• A Pilot plant study of a pebble bed flocculator 

  Dharmabalan, P [Thesis-Abstract]

  111 smel!, ccuxiiry like t-.Rl LANKA whei-o the Jovernniunt is adopting vario'js ways and means to improve the standard of living of the masses it has become a prime importance to provide safe drinking water. In the ...
• Poly aluminium chloride as an alternative to alum as a coagulant in water treatment 

  Dharmasinghe, S [Thesis-Full-text]

  Water generally contains suspended and colloidal solids from land erosion, decaying vegetation, microorganisms, and color producing compounds. In addition, due to urbanization and industrial development, pollution of water ...
• Investigation of micro-climatic features (vegetation) affecting the indoor air quality in suburb cities of Colombo 

  Premachandra, DSPRD [Thesis-Full-text]

  Considerable number of studies show a favourable impact of vegetation and an adverse impact of synthetic built environment on urban micro-climates. Despite these findings, people eradicate these favourable micro-climatic ...
• Improving the methodologies adopted for assessment of environmental and social impacts of mini hydro power projects 

  Rohana, RPDI [Thesis-Abstract]

  This Research is aim to look at the environmental impacts related to Mini hydro projects in Sri Lanka and to determine the available methodologies for identification of Major Environmental Impacts and the options to mitigate ...
• Management practices of water treatment sludge in Sri Lanka and re-use potential of sludge material 

  Anjithan, K [Thesis-Abstract]

  Sludge remaining at water treatment plants is an inescapable byproduct of the water treatment process. The nature of sludge depends on suspended solids of raw water, coagulant type and chemicals that are used in the treatment ...
• Rainfall event analysis for drainage infrastructure design in greater Colombo watershed 

  Keerthirathne, W [Thesis-Abstract]

  Since the magnitude and temporal distribution of rain events directly influence the streamflow in watersheds, due focus should be given when selecting the most appropriate storm patterns for the design of hydraulic structures. ...
• Feasibility study on waste oil disposal in cement kilns for Sri Lanka 

  Thiruchelvam, AT [Thesis-Abstract]

  1. Main Objective To study the feasibility of disposing the waste oil in the existing Puttalam Cement Kilns for Sri Lanka. To achieve this objective, the current situation in terms of technologies ...
• Recharge of the fresh water aquifer in Mannar Island 

  Wljegoonewardene, SJP [Thesis-Abstract]

  The Mannar island bas been traditionally dependent on groundwater as its source of potable water. The fresh water aquifer is in the form of a thin lens floating over a saline layer. It is known that when this type of ...
• A Steady state water quality model for river systems 

  Karunaratne, G [Thesis-Abstract]

  This work was carried out by me as the final project for the Master's Degree in Environmental Engineering Department of Civil Engineering of the University of Moratuwa. The project concerns mainly in the building up of a ...
• Study of some characteristics of domestic coastwater 

  Sandanam, S [Thesis-Abstract]

  Wastewater renders a potential threat to the environment. The ' types of wastes are many and different like domestic, agricultural, - industrial, hospital, Radioactive wastes etc . Among-these, the problem due to domestic ...
• Modified Hazen-Williams formula 

  Mohan, DM [Thesis-Abstract]

  A dimensionally homogeneous and accurate formula has been derived in this research for the estimation of surface resistance in pipes based on explicit friction factor relationship and Darcy-Weisbach equation. The new ...
• Analysis of transmission phase out options in water supply projects 

  Perera, ULDND [Thesis-Abstract]

  A study on "Analysis of transmission phase out options in water projects" was carried out to analyze possible cost savings to meet any the financial constraints of the project and also to utilize available funds for the ...
• Environmental aspects of drainage systems in road projects 

  Ravindralingam, K [Thesis-Abstract]

  Drainage systems in Road projects should be given due consideration because it influences the environment. The purpose of this research project is to study road drainage systems, as to how these affect the environment and ...
• Preparation of a plan for environmental management of the Heraliyawala Industrial Park in the North Western provincial council area 

  Fernando, WICDR [Thesis-Abstract]

  This study was done to assess the environmental, hygienic and social condition and suggest methods of improvement of unsatisfactory aspects in the Heraliyawala Industrial Park which is one of the Industrial Estates in ...
• Evaluation of public participation and methodologies adopted in environmental impact assessment process in Sri Lanka 

  Weerakkody, NC [Thesis-Abstract]

  "Environment" and "Development" are interdependent and mutually reinforcing each other. The ultimate goal and purpose of both environment and development policies is betterment, improvement and the enhancement of the quality ...
• Development of a technical manual for pumping istallations in the water industry with emphasis on water supply systems 

  De Silva, LSPJ [Thesis-Abstract]

  Pumping stations must be highly reliable. energy saving and economical. while at the same time their capital costs, operational and maintenance costs should be minimized. A technical manual for the multi disciplinary set ...
• Studies on textile waste water treatment 

  Premasiri, KW [Thesis-Abstract]

  In Sri Lanka the waste water discharged from most Textile Processing Factories to water bodies are found to be poorly treated or untreated. This may be due to reasons such as involvement of high capital and operation costs ...
• Optimal regional planning in solid waste management 

  Katugampola, PI [Thesis-Abstract]

  This study investigates the application of linear programming and mixed integer programming techniques for the optimal allocation of waste stream and facility scheduling of a regional solid waste management system, over ...
• Composting of municipal solid waste 

  Weerasinghe, TJ [Thesis-Abstract]

  The Colombo Municipal Council dispose of the solid waste by dumping on open marshy land. The land suitable for dumping waste, was fast exhausting and as a mean of lengthening the life time of the available dumping areas, ...

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