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Browsing Articles authored by UoM staff by Author "Walpalage, S"

Now showing items 1-20 of 20

Applicability of pressure retarded osmosis power generation technology in Sri Lanka

Karunarathne, HDSS; Walpalage, S

In this study the applicability of pressure retarded osmosis power generation was investigated in order to fulfil current electricity demand in Sir Lanka. Pressure retarded osmosis (PRO) process is a renewable and green ...
Applicability of pressure retarded osmosis power generation technology in Sri Lanka

Karunarathne, HDSS; Walpalage, S [Article-Abstract]

In this study the applicability of pressure retarded osmosis power generation was investigated in order to fulfil current electricity demand in Sir Lanka. Pressure retarded osmosis (PRO) process is a renewable and green ...
Contribution of hydrogen and/or covalent bonds on reinforcement of natural rubber latex films with surface modified silica

Somaratne, MCW; Liyanage, MVK; Walpalage, S [Article-Abstract]

A macromolecular coupling agent containing hydrophilic and hydrophobic groups is made to react with precipitated silica. Interfacial interactions between [BOND]OH groups of silica and [BOND]COOH groups of macromolecule are ...
Design and performance of an industrial scale biofilter for odorous gas treatment

Wijayawardhana, AJ; Wijeyekoon, SLJ; Walpalage, S; Amarasinghe, ADUS [Article-Abstract]

Odorous gas treatment is a challenging task due to the difficulties in identifying odor specific gases and their varied characteristics. A bio filter was designed for the treatment of waste gas stream from a tobacco leaf ...
Designing a small scale industrial type vacuum distillation column that based on laboratory and pilot plant studies

Wickramasinghe, PMYG; Walpalage, S; Amarasinghe, ADUS [Article-Abstract]

Rolling oil is used in packaging industry Abstract: for cooling and lubricating rolling sheets during production process. However, the properties of the rolling oil changes with time and that becomes unsuitable for the. ...
Designing a small scale industrial type vacuum distillation column that based on laboratory and pilot plant studies

Wickramasinghe, PMYG; Amarasinghe, ADUS; Walpalage, S [Article-Abstract]

Rolling oil is used in packaging industry for cooling and lubricating rolling sheets during production process. However, the properties of the rolling oil changes with time and that becomes unsuitable for the use. This ...
Development of Correlation Between Potassium Hydroxide Number and Conductivity of Concentrated Natural Rubber Latex

Walpalage, S; Ganga, I; Silva, KMD [Article-Abstract]

Increase in the ion concentration in the medium was found to increase conductivity and potassium hydroxide number (KOH No) in natural rubber latex (NRL). Addition of long chain fatty acids can increase the ion ...
Effect of activated carbon on the properties of natural rubber latex foams

Rajakaruna, ARM; Walpalage, S; Perera, DGPM [Article-Abstract]

Activated carbon used as an adsorber in many industries. In this research work activated carbon (AC) has been incorporated as a filler with natural rubber latex compounds to enhance the odour adsorption property of latex ...
Effect of different aeration levels on natural rubber latex upon maturation

Roshanie, LKS; Walpalage, S [Article-Abstract]

Mechanical Stability (MS) of Natural Rubber Latex (NRL) is practically important to the latex producer and consumer whenever latex is handled. MS of fresh NRL is very low and fresh NRL cannot be directly used for manufacturing ...
Effect of maleimide curing on mechanical properties of ground tyre rubber/waste polypropylene blends

Egodage, SM; Harper, JF; Walpalage, S [Article-Abstract]

Blends of ground tyre rubber and waste polypropylene with a maleimide curing system (50: 50blends of ground tyre rubber/waste polypropylene) were prepared in a Haake Rheocord Polylab System, at 180°C and 90 rev min-1 for ...
Effects of added ammonium laurate soap on natural rubber latex

Silva, KMD; Walpalage, S [Article-Abstract]

Low quality natural rubber latex, matured with different levels of well known long chain fatty acid salt showed variations in properties. Mechanical stability time.foaming height and viscosity were significantly altered ...
Ground tyre rubber/waste polypropylene blends - effect of composition on mechanical properties

Egodage, SM; Harper, JF; Walpalage, S [Article-Abstract]

Ground tyre rubber (GTR) was blended with waste polypropylene (WPP) in nine different compositions to prepare GTRIWPP blends. The blends were prepared in a Haake Rheocord PolyLab system at a temperature of 180 °C and a ...
Investigation of optimum quality parameters for heat sensitization of natural rubber latex compounds

Ganhewa, N; Walpalage, S; Perera, DGPM [Article-Abstract]

Heat sensitization is used as a Abstract: method of manufacture thick wall rubber article from Natural Rubber Latex (NRL) compounds. Number of quality parameters of the NRL compound should be controlled to produce good ...
Natural rubber latex-clay nanocomposite: Use of montmorillonite clay as an alternative for conventional CaCo3

Amarasiri, A; Ratnayake, UN; De Silva, UK; Walpalage, S; Siriwardene, S [Article-Full-text]

Natural rubber (NR) latex-clay nanocomposite (NRLCN) synthesized with montmorillonite (MMT) clay aqueous dispersion was evaluated for reinforcement and barrier properties. The physio-mechanical properties of the NRLCN were ...
Natural rubber latex-clay nanocomposite: use of montmorillonite clay as an alternative for conventional CaCO3

Amarasiri, A; Ratnayake, UN; De Silva, UK; Walpalage, S; Siriwardene, S [Article-Abstract]

Natural rubber (NR) latex-clay nanocomposite (NRLCN) synthesized with montmorillonite (MMT) clay aqueous dispersion was evaluated for reinforcement and barrier properties. The physio-mechanical properties of the NRLCN were ...
Performance analysis of a dryer design for drying cinnamon chips

Chandra, KA; Amarasinghe, ADUS; Walpalage, S [Article-Abstract]

Drying is one of the most important pre-processing techniques in cinnamon oil industry. Sun drying is the conventional method of drying cinnamon chips but has some inherent disadvantages of long processing times, dependency ...
Performance of peat/wood chips media as a biofilter packing material for the treatment of an industrial waste gas

Wijayawardhana, AJ; Wijekoon, SLJ; Walpalage, S; Amarasinghe, ADUS [Article-Abstract]

A study was conducted to evaluate the removal efficiency of NH3 and H2S emitted from an industrial waste gas source by bio-filtration with peat/ wood chips media (50/50 (v/ v)) as a bio filter packing material. A pilot ...
Preparation and characterization of natural rubber latex modified starch blends

Kumarapeli, HD; Walpalage, S [Article-Abstract]

Natural rubber latex uses as a binder in coir foam industry. Starch has binding property and it also uses as a binder. The use of natural rubber latex- starch blends is an interesting research area due to the low cost and ...
Surface modification of silica with a hydrophilic polymer and its influence on reinforcement of natural rubber latex

Somaratne, MCW; Liyanage, NMVK; Walpalage, S [Article-Abstract]

Surface modification of precipitated silica particles was carried out in both aqueous and non aqueous media separately with a polyacrylic based hydrophilic polymer synthesized in the laboratory. FTIR spectroscopy and thermo ...
The development of rubber-thermoplastic blends from ground tyre rubber and waste polypropylene

Egodage, SM; Harper, JF; Walpalage, S [Article-Abstract]

Ground Tyre Rubber (GTR) from scrap automotive and truck tyres was blended with Waste Polypropylene (WPP) from injection moulded products to prepare GTR/WPP blends. The blends were prepared in a Haake Rheocord ...

Now showing items 1-20 of 20

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Browsing Articles authored by UoM staff by Author "Walpalage, S"

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