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Doctor of Philosophy (Ph.D.)

Doctor of Philosophy (Ph.D.)

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Risk-based chemical process route selection considering inherent environmental friendliness

Rathnasekara, PK [Thesis-Abstract]

Chemical process route selection is one of the key decisions taken during the preliminary design stage of process plant development. A chemical process route is defined as the raw material(s) and the sequence of reaction ...
Decolourization of textile dyes and textile industry effluent in a fixed bed biofilm reactor using native microorganisms

Madhushika HG [Thesis-Abstract]

Textile and apparel industry produces huge quantities of wastewater with unfixed dyes, which generate colour and toxicity in discharged water, creating environmental pollution. Physical and chemical effluent decolourization ...
Preparation and characterization of natural rubber :

Perera SGJ [Thesis-Full-text]

Rubber-clay nanocomposites at low nanoclay loadings are generally prepared using mechanical mixing method as similar to mixing of conventional fillers with rubber. However, the resultant properties prepared with mixing ...
Heat and mass transfer analysis in a spouted bed dryer coupled with a cyclone for pepper drying

Jayatunga GK [Thesis-Full-text]

This thesis outlines the analysis of heat and mass transfer process of drying of black_pepper in a spouted bed coupled with a cyclone separator. Black pepper is a widely used spice and is well-known for its pungency and ...
Development of a solid-gas coupled model for thermally thick biomass combustion in packed beds

Perera KUC [Thesis-Full-text]

The aim of this research is to model the moving grate combustion process by Computational Fluid Dynamics (CFD) method by OpenFOAM software. Kinetic data for heterogeneous reactions, specific to local fuel types is essential. ...
The Importance of fluidization parameters for the production of quality black tea at higher efficiencies

Kandasamy, R [Thesis-Full-text]

Orthodox broken type teas, currently producing in tea factories in Sri Lanka, have on average smaller size particles than that of tea produced a decade ago. However most of the tea factories still use the conventional fluid ...
Performance of natural dye sensitized solar cells for low power applications

Attanayake, CIF [Thesis-Full-text]

The need for renewable energy sources in Sri Lanka is assessed and solar photovoltaics (PVs) is identified to be the most technically suitable and economically viable power source for the conversion of solar energy to ...
Reinforcement of natural rubber lates films with fine particle fillers

Somarathne, MCW [Thesis-Abstract]

Reinforcement of natural rubber latex (NRL) is essential for NRL based thin film products manufacture. Silica is one of the most important reinforcing fillers used in dry rubber industry. However, the surface bound silanol ...
Chemical modification of rubber waste and characterization of their blends with natural rubber

Edirisinghe, DG [Thesis-Abstract]

Ground rubber tyre (GRT) produced by recycling of tyre waste or rejects is used as a filler in the manufacture of tyre components, mainly to reduce the cost. Rubber matrix-GRT compositions generally exhibit poor mechanical ...
Synthesis and characterization of novel alkyd resins based on Karawila seed oil

Prashantha, MAB [Thesis-Abstract]

This research project mainly focused on developing air drying alkyds with 65% oil length which offer superior film properties using locally available a suitable fatty oil and also developing a mathematical model to predict ...

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Doctor of Philosophy (Ph.D.)

Doctor of Philosophy (Ph.D.)

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