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Browsing Undergraduate Research Symposium Chemical and Process Engineering by Title

Browsing Undergraduate Research Symposium Chemical and Process Engineering by Title

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  • Optimization of rice straw pretreatment using hot water for energy generation 
    Anjana, MMK; Gunathilake, RANN; Gunarathne, RMDS [Conference-Extended-Abstract]
    Using rice straw for combustion in boilers has been quite effective and productive despite the drawbacks created by the ash content, which causes a range of severe ash related problems upon combustion such as slag ...
  • Optimization of the torrefaction process for rubberwood 
    Supunsala, SDS; Abeysiriwardana, AMSW; Gunarathne, RMDS [Conference-Extended-Abstract]
    Biomass torrefaction is a thermochemical pretreatment process at a temperature range of 200-3000C in an inert environment. Moisture and hemicellulose are released during the process resulting in an energy densified ...
  • Parametric optimization and retrofitting of the tea withering process to maximize energy savings; a mathematical modelling approach case study: talawakelle tea estates plc 
    Pathirage, GT; Rathnayake, MRMKT; Gunarathne, DS [Conference-Abstract]
    Tea industry in Sri Lanka holds significant economic importance, contributing substantially to the country's overall revenue and foreign exchange earnings. However, the industry faces a critical challenge in the form of ...
  • Performance analysis of batch fractional distillation of essential oils, a simulation study for cinnamon leaf oil 
    Ahamed, MNI; Dissanayake, WULR; Kumarage, NDI; Amarasinghe, ADUS; Narayana, M [Conference-Abstract]
    Batch distillation is a popular method used in the fractionation of essential oils. The feasibility of separation to achieve a target purity in the product from a given feed composition depends mainly on the Reflux ratio ...
  • Performance of packed bed reactive distillation column 
    Kankanamge, ASSK; Malinda, JLC; Silva, EARM; Gunasekara, MY [Conference-Extended-Abstract]
    Lab-scale packed bed reactive distillation column was utilized to evaluate the performance of reactive distillation for the reaction between isopropyl alcohol and acetic acid. Two different packing materials and different ...
  • Predicting vapor pressures of components of essential oils using machine learning models 
    Ambawalage, PM; Gunaratne, KS; Chathuranga, RMNA; Amarasinghe, ADUS; Narayana, M; Kumarage, NDI [Conference-Abstract]
    Essential oils contain a complex mixture of organic compounds with unique scent profiles and therapeutic effects. The increasing market demand for essential oils and their components has led to a growing interest in ...
  • Preparation and characterization of natural rubber nanocomposites 
    Guruge, AR; Madubhashana, MKPP; Ranawickrama, LLHSDS; Weerasekara, WMGS; Walpalage, S [Conference-Extended-Abstract]
    Natural rubber nano composite shows good mechanical properties with lower amount of nano clay. This report presents a new strategy for development of natural rubber-clay nano composite with enhanced properties by incorporation ...
  • Pretreatment of rice straw to intermediate bio-refinery chemical, HMF 
    Madushan, DPL; Thathsara, PDT; Subasinghe, T [Conference-Extended-Abstract]
    The conversion of biomass to chemicals on an industrial scale at a competitive cost requires the development of biorefineries analogous to petrochemical refineries. Hydroxymethylfurfural (HMF) is a promising platform ...
  • Process parameter estimation and temperature control of a reactor with high thermal inertia 
    Bandara, AMJN; Narayana, M [Conference-Extended-Abstract]
    This research was done for temperature control of a reactor with high thermal inertia. The reactor chamber temperature is required to be critically controlled at 3000C. A non-linear thermodynamic model was developed, ...
  • Process simulation-based performance analysis for large-scale co2 sequestration via indirect carbonation of coal fly ash 
    Senadeera, KR; Adikari, AMPD; Rathnayake, M [Conference-Extended-Abstract]
    Mineral carbonation of CO2 using coal fly ash (CFA) is identified as a promising way of mitigating carbon emissions safely and permanently with a low material cost. However, the available literature has been limited ...
  • Production of biochar and wood vinegar via slow pyrolysis of biomass 
    Perera, RKNM; Deshan, NAS; Gunarathne, DS [Conference-Abstract]
    The production of biochar, a carbon-rich material derived from biomass pyrolysis, has gained significant attention due to its potential applications in soil improvement, carbon sequestration, and renewable energy. This ...
  • Property enhancement of natural rubber by blending with rice husk ash and PET powder 
    Ekanayake, EMHL; Hewa, HKLR; Premachandra, BAJK [Conference-Extended-Abstract]
    Rubber industry is a well-established industry with a growing demand in modern world. Rice husk ash and PET (Poly Ethylene Terephthalate) powders are gaining interest as fillers in rubber compounding. RHA filler results ...
  • Prospects and challenges for a green hydrogen economy in Sri Lanka 
    Karunasena, DI; Himal, SNL; Subasinghe, SADT; Egodage, SM [Conference-Abstract]
    The global energy landscape is experiencing a significant shift towards Green Hydrogen as a sustainable and clean energy paradigm. This research highlights Sri Lanka's potential to invest in this new venture due to its ...
  • Purification of automobile wastewater using fly ash-clay composite 
    Anushan, RGS; Dasanayake, PMK; Karunarathna, CNW; Amarasinghe, BMWPK [Conference-Extended-Abstract]
    The adsorbent fly ash-clay composite was tested for the treatment of automobile service station wastewater. Batch experiments were conducted to establish the adsorption column parameters which were optimum fly ash to ...
  • Quantitative risk analysis of a fuel storage tank 
    Attanayake, DDS; Senarathana, NACJD; Madushanka, DR; Gunasekara, M [Conference-Extended-Abstract]
    Quantification of risks has become an indispensable element with modern day systems as it provides an insight into the magnitude of the probable loss prior to the commencement of projects. A methodology for quantifying the ...
  • Rubber toughened plastics from thermoplastic waste and rubber waste 
    Wickremaratne, KR; Madusankha, TMS; Premachandra, BAJK [Conference-Extended-Abstract]
    A huge amount of plastic and rubber waste is generated on a daily basis around the world and due to the reason that both rubber and plastic do not degrade naturally and poses a high threat to the environment. Therefore, a ...
  • Solar driven biomass gasification: Sri Lankan context 
    Aluthge, PRK; Sanjeewa, DV; Senarathna, BNL; Gunarathna, D [Conference-Extended-Abstract]
    Solar driven biomass gasification is an energy conservation process which produce combustible gas called syngas which consists of Hydrogen, Carbon dioxide, Carbon Monoxide and Methane. Product gas has higher energy density ...
  • Stability of USAB reactor under shock loads 
    Eranga, KS; Fernando, GVDL; Rathnasiri, PG [Conference-Extended-Abstract]
    Anaerobic digestion is a key area in wastewater treatment. Especially in treating high concentration wastewater such as dairy wastewater. It is crucial because dairy waste water can change in COD and BOD values drastically. ...
  • Study of performance of packed bed reactive distillation column for the esterification process 
    Mahar, MMM; Nizmy, MNM; Gunasekara, M [Conference-Extended-Abstract]
    In this effort, the batch reactive distillation performance was studied by the production of butyl acetate in a batch packed bed reactive distillation column. Esterification of butan-1-ol with acetic acid to produce butyl ...
  • Sustainability assessment of cinnamon biomass for energy generation 
    Illangakoon, IPTD; Jayarathne, KM; Thennakoon, TMIP; Weerasooriya, DP; Amarasinghe, ADUS [Conference-Extended-Abstract]
    Affordable and Clean Energy is the 7th Sustainable development goal of United Nations and to achieve this goal, renewable energy is one of the perfect solutions. Recently gliricidia has been nominated as the 4th energy ...