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Master of Science By Research: Recent submissions

Now showing items 41-60 of 66

The Optimum operating conditions for extraction of chlorophyll from Alternanthera sessilis(Linn.), cultivated in Sri Lanka

Jinasena, MAM [Thesis-Full-text]

Chlorophyll is widely extracted for industrial applications and is a key topic of scientific and commercial interest. Alternanthera sessilis, which is known as mukunuwenna in Sri Lanka, is one of best selections for the ...
Natural and waste materials as adsorbents in oil pollution management

Anurangi, WAJ [Thesis-Abstract]

In this research, oil pollution management using natural and waste materials as adsorbents was studied. Most of the oil based industries emit oily wastewater rich in heavy oil particles. Therefore, this study was mainly ...
Abatement of odour from tobacco process emissions by condensation, scrubbing and biofiltration

Wijayawardhana, AJ [Thesis-Abstract]

A study was conducted to evaluate the removal efficiency of NH3 and Hydrogen Sulfide emitted from tobacco process emissions by infiltration. The experiments were based on testing the removal efficiency of the contaminants ...
Design of thermo forming machine

Hettiarachchi, HANR [Thesis-Abstract]

An attempt has been made to design vacuum forming machine which is capable of producing "Small plant growing Horticultural HIPS tray" in a economical speed. these trays has high demand in all over the world's horticultural ...
Food nano-biotechnology roadmap for Sri Lanka

Perera, DHN [Thesis-Abstract]

Nanotechnology is a major ernergmg technology, which can revolutionize food industry by employing special nanoscale properties of matter. It can he applied to food processing and packaging in order to improve quality, ...
Study of process conditions for starch production from local rice varieties

Pathiraja, PTN [Thesis-Abstract]

Rice is the staple diet of Sri Lankans and mainly consumed as steamed rice. In addition to this pre gelatinized milled rice flour is used by some food industries, for the production of rice noodles, instant hoppers and ...
Enhancing anaerobic digestion rate by peroxone pretreatment of high organic strength wastewaters

Raamshangar, K

In the present study, the effects of peroxone process as a pretreatment for anaerobic digestion in treating high organic strength effluents was investigated with synthetic wastewater that characterize food industry effluents. ...
Rice husk based adsorbents for dye removal from wastewater

Jayatunga, GK [Thesis-Abstract]

Adsorption of textile dyes onto rice husk based adsorbents from aqueous solutions was studied. Batch experiments were conducted to determine the effect of method or treatment of rice husk on adsorption. Raw rice husk, ...
Coir pith activated carbon for the removal of dyes, organics and heavy metals from aqueous solutions

Dhanusekera, DW [Thesis-Abstract]

Adsorption of textile dyes, organics and heavy metals onto coir pith based adsorbents from aqueous solutions were studied. Raw coir pith and thermally activated coir pith at 700°C were used as adsorbents. Batch experiments ...
Abatement of odour from tobacco process emissions by condensation, scrubbing and biofiltration

Wijayawardhana, AJ [Thesis-Abstract]

A study was conducted to evaluate the removal efficiency of NH3 and Hydrogen Sulfide emitted from tobacco process emissions by biofiltration. The experiments were based on testing the removal efficiency of the contaminants ...
Modelling of crude oil import schedule in order to minimize refinery losses

Premakanthi, AS [Thesis-Abstract]

In a refinery the choice of a suitable crude oil slate is probably one of the most difficult problem that refiners have to resolve. The process of making the best choice includes the whole series of successive decisions ...
Oil and grease removal from thermal power plant effluent using electrocoagulation

Karunarathne, KAPU [Thesis-Abstract]

The fuel oil used in thermal power plants mainly falls into the category of low grade fuel such as Heavy Fuel Oil (HFO). They cannot be readily burnt in engines of thermal power generation and need to be further refined. ...
Bio methanation and composting for managing sugar processing waste

Ariyaratne, WKH [Thesis-Abstract]

In Sri Lanka, two integrated sugar cane based sugar plants cum distilleries are running with satisfying around 12% sugar requirement of the country. As the other countries, we are also facing the waste disposal problem of ...
Statistical process control for rubber flooring

Jayalath, JADUD [Thesis-Abstract]

There is no doubt that quality has become a major feature in the survival plan of many companies today. Each company employee must be committed to the use of effective methods to achieve optimum efficiency, productivity, ...
Extraction of rice bran oil using aqueous media

Kumarasiri, MPM [Thesis-Abstract]

Rice bran oil is widely used in pharmaceutical, food and chemical industries due to its unique properties and high medicinal value. In this study extraction of rice bran oil from rice bran available in Sri Lanka, using ...
Investigation of the technical properties of the tyre re-treading compund formulated with RSS/SCRAP rubber blends

Alahapperuma, KG [Thesis-Abstract]

Due to higher demand of petroleum and petroleum based synthetic rubbers, the price of Ribbed Smoked Sheets (RSS) has been gone up. Therefore, local rubber industries, particularly re-treading tyre industry has started ...
Development of a decision support system for landfilling applications in Sri Lanka

Manamperi, A [Thesis-Abstract]

With increasing awareness of the harmful effects of solid waste mismanagement such as wild dumping, open burning and uncontrolled landfilling, many local authorities in Sri Lanka are now willing to invest in Engineered ...
Dyeing nylon with turmeric as a natural dye

Jayasinghe, AMA

Presence of natural dyes in products has attracted the attention of the entire world, because of the non-hazardous nature of natural dyes. In this study we discuss about the nature of Nylon as a textile material and its ...
Enhancement of the sortpion properties of foam rubber by incorporating a suitable adsorbent

Kumanayake, TO [Thesis-Abstract]

Natural rubber latex is a colloidal dispersion of cis 1,4-polyisoprene in an aqueous medium. Chemicals are added to NR latex mainly as dispersions, emulsions and solutions at the compounding stage of latex to enhance the ...
In vessel composting of urban solid waste

Fernando, VISCK [Thesis-Abstract]

Solid waste is the most critical and visible pollution stream in Sri Lanka. As many developing countries urban solid waste in Sri Lanka consists with high organic and wet solid waste. Studies on solid waste show that about ...

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