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Browsing Master of Science in Environmental Management by Title

Browsing Master of Science in Environmental Management by Title

Now showing items 1-20 of 23

A Study of the Negombo lagoon with respect to the salinity variation and pollution of the lagoon water and effects of proposed dredging activities

Malawaraaratchi, RN [Thesis-Full-text]

Negombo Lagoon is a shallow basin estuary, located on the West coast of Sri Lanka, serving important functions including fishing and tourism. It drains water carrying nutrients and organic matter from the heavily populated ...
A Study of the present status of management of PCBs, and development of a preliminary inventory for PCB contaminated transformers in Sri Lanka

Panditharatne, CR [Thesis-Abstract]

Polychlorinated biphenyls (PCBs) have wide applications and one of its main uses is as the dielectric fluid in electric equipment. During 1970s PCBs were identified as a substance dangerous to health and environment and ...
Attitude of affected households towards the mode of compensation and possible issues due to land acquisition for expressway projects in Sri Lanka

Dharmawardhana, HMT [Thesis-Full-text]

Road and highway projects are intended to either build new roads or widen or improve existing ones. Opening up a corridor for a new road requires more space resulting land acquisition and the resultant negative impacts ...
Comparative study on two different wastewater treatment processes at crepe rubber factories

Vithanage, D [Thesis-Abstract]

In Sri Lanka most commonly used treatment methods for crepe rubber factories are pond/lagoon system and activated sludge system. The objective of this study is to identify the most cost effective and commercially viable ...
Comparison and performance evaluation of submerged attached growth aerobic system versus suspended growth aerobic systems designed for factory sewage

Athukorala, IASL [Thesis-Abstract]

Most factories found in Sri Lanka do not have proper sewage treatment systems and due to the high number of employees these factories are always encountered with the problem of handling large quantities of low strength ...
Comprehensive guideline for sustainable involuntary resettlement : special case study on problematic Tsunami resettlement site in Galle district

Senevirathna, AD [Thesis-Abstract]

Resettlement has a long history in the world. According to the way of resettling, it can be categorized in to two. Depending on the method of resettlement it can be categorize in to voluntary and involuntary resettlement. Several ...
Conservation of masbedda (Gymnemasylvestre R.Br.) through propagation

Kumara, KKIUA [Thesis-Abstract]

Several activities could be undertaken aimed at conservation and sustainable use of medicinal plants. Some of them are undertaken directly at locations where plants are naturally occurring. while others are less direct, ...
A Critical evaluation of wastewater disposal facilities in selected underserved settlements in the Colombo municipal area and recommendations for improvements

Irshadh, AG [Thesis-Abstract]

Sanitation has become a problem in many developing countries. According to reports from WHO and UNICEF in 2012 about 2.6 billion people around the world lack this facility and that counts to half the developing world lack ...
Defluoridation of potable water in CKDu prevalent areas enriched with hardness using modified-fly ash functionalized with iron oxide

Priyadarshani EAC [Thesis-Full-text]

Chronic Kidney Disease of Unknown Etiology is a major health issue reported in countries around the equator including Sri Lanka, Tunisia, Andra Pradesh India, and El Salvador. In Sri Lanka, CKDu is prevalent in the ...
Defluoridation of potable water in CKDu prevalent areas of Sri Lanka by functionalized modified-fly ash

Perera WDMC [Thesis-Full-text]

The last two decades marked a progressive increase in an epidemic of Chronic Kidney Disease of unknown (‘u’) origin (CKDu) among the farming communities in Sri Lanka. In the presence of the combination of fluoride, with ...
Emission inventory for Sapugaskanda industrial area

Jasinghe, SR [Thesis-Abstract]

In this thesis an emission inventory for an industrial area is developed, and mathematical modeling on emissions and comparisons with air quality criteria are presented. With emission data recorded in a scientific manner, ...
Evaluating the performance of subsurface horizontal flow constructed wetland for tertiary treatment of sanitary landfill leachate

Jeganathan SSD [Thesis-Full-text]

The difficulty in detecting and quantifying the typical composition characteristics of landfill leachate, limit successful treatment of it. High quality effluent that can be discharged to surface waters could be achieved ...
Evaluation of water quality of community managed water supply schemes in southern province

Shanthi DAMN [Thesis-Abstract]

Water is a crucial element that covers two-thirds of the surface area of the earth, and it is one of the main substances in the body of every living being on the earth. Thus clean, safe, and adequate freshwater is important ...
Health quality assessment of a highland stream using selected physico - chemical parameters, biological factors and microplastic level

Dilini RMA [Thesis-Abstract]

Ella is a popular tourism destination in Sri Lanka due to its salubrious climate and aesthetic quality of the surrounding environment. Beeralla stream (tributory of Kirindioya) flow through the Ella city by increasing ...
Physicochemical analysis, toxicity assessment and nutrition source potential of sugarcane distillery spent wash

Kuruppuarachchi HD [Thesis-Abstract]

Sugarcane molasses-based ethanol industries in Sri Lanka generate large volumes of high strength spent wash, causing severe environmental issues. The potential toxicity of spent wash on biological systems and the possibility ...
Phytoplankton as bio indicators in management of eutrophication problem of Kandy Lake

Jayasekara, HPS [Thesis-Abstract]

Eutrophication through the process of nutrient enrichment of stagnant waters due to urbanization & agricultural practices is becoming a significant water pollution issue in Sri Lanka. The appearance of thick Microcystis ...
Post evaluation of operational performance of compost projects of local authorities funded by Pilisaru national solid waste management project

Dinushika LGT [Thesis-Abstract]

The highest percentage (80%) of organic waste generation was recorded in Sri Lanka compared to the other Asian region countries with higher moisture content and low calorific value (Waste Management Outlook, 2017). Total ...
Removal of chromium in aqueous solutions using powdered activated carbon treated with humic acid

Sooriyabandara, BH [Thesis-Abstract]

Because of its toxicity, Chromium (VI) causes water pollution and threatens to the environment. Its solubility in nature is strongly inf1uenced by adsorption process. Relatively few studies have focused on adsorption ...
Strategies for the improved management of coastal zone of Sri Lanka

Dissanayake, UAPK [Thesis-Abstract]

Sri Lanka has a fully operative Coastal lone Management Plan (ClMP), which is periodically updated. The 2003 Coastal lone Management Plan has followed and built upon the 1997 Coastal lone Management Plan with additional ...
Study of flow variations in Greater Colombo water supply scheme

De Silva, WJ [Thesis-Abstract]

While designing and operating a water supply system, it is very important to know how much water is needed (water demand) and when it is needed (variation in demand). In Sri Lanka, basic statistical data such as population, ...

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