• Climate change impact on the spatial distribution of droughts in Kirindi oya and Maduru oya dry zone river basins in Sri Lanka 

  Wijekoon, WMRTY [Thesis-Full-text]

  Drought, a consequence of prolonged precipitation deficiencies, is a significant hazard exacerbated by climate change. Sri Lanka, highly susceptible to extreme climatic events, faces drought as its most prominent hazard, ...
• Process simulation-based life cycle assessment for fuel-grade bioethanol production from paddy rice straw 

  Jayasundara, UWPM [Thesis-Full-text]

  For the life cycle scenario of bioethanol production from unutilized rice straw, the life cycle stage of paddy rice cultivation can be excluded with a zero-inventory allocation rule, i.e., rice straw with no applied ...
• Investigation on stability of dry anaerobic flow reactors treating lignocellulose biomass 

  Weerasooriya DP [Thesis-Abstract]

  Anaerobic co-digestion is a prominent and environmentally friendly technology in agricultural, domestic and industrial bio waste management. It is the most economical and effective method for treating animal waste bedded ...
• Development of a computational fluid dynamics model for pollutant dispersion in complex terrain 

  Sivakunalan I [Thesis-Abstract]

  This research investigated the issues of vehicular-emitted pollution in Kandy City, a valley-like environment experiencing severe air pollution problems due to a higher traffic volume, topographical aspect, and prevailing ...
• Assessment of the feasibility of co-production of fucoxanthin, omega-3 fatty acids and bioethanol from marine microalgae 

  Premarathne R G M M [Thesis-Abstract]

  The marine microalga Tisochrysis lutea is renowned for its ability to synthesize fucoxanthin and docosahexaenoic acid (DHA), which are nutritionally valuable high- value compounds. Although numerous studies in literature ...
• Investigation of the effect of preprocessing parameters on the efficacy of chlorophyll removal from mychonastes homospaera for biofuel production 

  Kulasinghe KBYM [Thesis-Abstract]

  Microalgal lipids have become a potential candidate for biofuel production in recent years. High lipid accumulation and shorter doubling time enabling higher growth rate are foremost factors in microalgae to compete with ...
• Development of a biogas combustion CFD model for the analysis of trace emissions 

  Bandara AMJN [Thesis-Abstract]

  Biogas is emitted from landfills, anaerobic digesters, and many other biomass sources. Emitted biogas is usually burnt in order to reduce greenhouse effect and to get energy. Burning of biogas emits several pollutants, ...
• A Three dimensional computational fluid dynamics model for pyrolysis of thermally thick biomass particles 

  Wickramaarachchi WAMKP [Thesis-Abstract]

  The solid biomass especially the wood has been used as a source of energy for centuries in the world. However, the present world has started giving it a more value not because it is known for a longer time. But as a ...
• Single and binary adsorption of nickel and zinc ions from aqueous solutions using coirpith as the adsorbent 

  Ranasinghe EN [Thesis-Full-text]

  This study analysed the competitive adsorption of multicomponent systems onto coir pith, readily available and environmentally friendly adsorbent chosen for the study. The efficacy of unmodified coir pith as an adsorbent ...
• Modelling the drying kinetics of microwave drying of coconut chips 

  Muhammed Aadhil MFH [Thesis-Full-text]

  Drying of coconut chips has been of interest for research due to the commercial value of coconut oil and desiccated coconut. More recently the industry has called for cost effective solutions for the drying unit operation ...
• Evaluation of moisture diffusivity in copra at different drying condition 

  Mendis, ARL [Thesis-Full-text]

  Copra is one of the major traditional products processed from coconuts and is used primarily as a source of coconut oil. It is the kernel of coconut after reducing the moisture content from about 50% (dry basis) to about ...
• Development of a pilot-scale biogas plant to utilize biomethane as a transport fuel 

  Kularatna, MADIC [Thesis-Abstract]

  This project was to develop a system to utilize Biomethane as a transport fuel. It was started at the Department of Chemical and Process Engineering, University of Moratuwa funded by the Ministry of Science and technology. ...
• Study of the effects of binding agents on the properties of compost pellets 

  Hettiarachchi, LG [Thesis-Full-text]

  Composting of the organic Municipal Waste (MW) is one of the sustainable answers for the management of MW. The bulky nature of the loose compost is one of the main drawbacks in promoting the use of compost in agriculture ...
• Effect of enzymatic hydrolysis pretreatment on batch anaerobic digestion of wastewater generated in desiccated coconut processing plants 

  Samarasiri BKT [Thesis-Full-text]

  Enzymes are widely used to accelerate the biochemical reactions in biological wastewater treatment processes. Commercially developed enzymes such as amylases, proteases and lipases improve microbial biodegradation by ...
• Rice bran based nanofibers for stabilization of phytase enzyme 

  Rathnayake, UA [Thesis-Full-text]

  Phytases is an enzyme belonging to the histidine acid phosphatase family which has the capability to initiate the stepwise dephosphorylation of phytate, the primary storage form of phosphorus in most seeds and cereal grains. ...
• Encapsulation of nanoparticles in layered materials to be used in agricultural applications 

  Madusanka, AN [Thesis-Abstract]

  Layered materials, which consist of stacks of layers, where the thickness of those layers occur, in the nanometer scale with interlayer charge balancing ions are interesting due to their potential applications in catalysis, ...
• Optimization of process parameters of fluidized bed biomass combustor using CFD modeling 

  Wickramasinghe, DGC [Thesis-Full-text]

  The present work is focused on mathematical modelling of fluidized bed combustion of biomass by means of computational fluid dynamics (CFD). Introducing a stable CFD solver for combustion of solid fuel with Large-Eddy ...
• Simulation and optimization of up flow anaerobic sludge blanket reactors (UASBS) in a dairy waste water treatment plant 

  Godawita, AS [Thesis-Abstract]

  Anaerobic digestion is commonly used in industrial waste water treatment applications and it is a combination of many biochemical and physicochemical processes. Modeling and simulation of an anaerobic digestion is very ...
• Computational fluid dynamics modeling of thermo-chemical processes in an updraft biomass gasifier 

  Fernando, N [Thesis-Full-text]

  Biomass is recently gaining popularity in industry as a promising source of renewable energy. Gasification of biomass is a major thermal conversion method to improve the efficiency of raw biomass fuel. It is a process ...
• Environmental assessment of parboiled paddy production by life cycle assessment 

  Nadeeshani, E [Thesis-Full-text]

  Rice is the most popular food in Sri Lanka where approximately 70% of the paddy production goes through the parboiling process. Parboiling process is a hydrothermal treatment method. This treatment process consumes energy, ...

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