• Undergraduate Research Symposium Chemical and Process Engineering 2019 (Pre Text) 

  Rathnasiri, PG [Conference-Extended-Abstract]
• ChemECon 2020 – Solutions Worth Spreading (Pre Text) 

  Rathnasiri, PG [Conference-Extended-Abstract]
• 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, ...
• Life cycle assessment-based process analysis for fuel-grade bioethanol production using rice straw 

  Jayasundara, PM; Jayasinghe, TK; Rathnayake, M [Conference-Extended-Abstract]

  Rice straw is a major biomass residue from rice cultivation, which reaches to a world average of 740 million tonnes/year generation. Open burning of rice straw in paddy fields is the common practice, which could result ...
• 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 ...
• Effect of saltwater on cementitious capillary crystalline waterproofing 

  Gallage, KGCS; Jayanath, JHC; Kasun, NHT; Mallawarachchi, D; Amarasinghe, ADUS [Conference-Extended-Abstract]

  The present studies examine the performance of cementitious capillary crystalline waterproofing coating(CCCW) with Saltwater. As Sri Lanka is a developing country, many underground constructions are being built in ...
• Life cycle assessment of hydrogen production from waste-derived ammonia decomposition using metal catalysts 

  Wijayananda, MAL; Dilshani, WGA; Rathnayake, M [Conference-Extended-Abstract]

  Hydrogen is as an energy source with clean combustion. Conventional hydrogen production technologies from hydrocarbons could have carbon emissions in the fuel cells. Ammonia decomposition can be considered as a carbon-free ...
• 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 ...
• Techno economic and energy analysis of 2,5 dimethylfuran (dmf) production process from rice straw 

  Samarasekara, SMSP; Liyanage, KLCY; Hewage, NH; Subasinghe, SADT [Conference-Extended-Abstract]

  The objective of this research was to perform a process simulation for the production of DMF from rice straw and to analyze the process engineering aspects such as equipment type and catalysts to be used for the ...
• 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 ...
• Effect of micro aeration on anaerobic treatment of sulphate and ammonia rich wastewater 

  Priyadarshika, SKMRP; Wittahachchi, RM; Costa, KPCL; Rathnasiri, PG [Conference-Extended-Abstract]

  Microaeration is a stratergy applied during anaerobic conversion to improve treatment efficicency. The objective of this study is to investigate the effect of microaeration on a combined effect of sulphate and ammonia ...
• 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 ...
• Life cycle assessment of single-use biodegradable bags produced from cornderived biopolymer 

  Jayasekara, JHAT; Surendra, YW; Rathnayake, M [Conference-Extended-Abstract]

  Single-use biodegradable bags have been recently introduced as an environmental-benign alternative to conventional plastics while addressing a prevailing global issue. Natural corn starch is often used as the key raw ...
• Tea waste impregnated with iron oxide nano-particles for dye removal from aqueous solutions 

  Madhubashani, AMP; Sewwandi, KMNS; Amarasinghe, BMWPK [Conference-Extended-Abstract]

  Textile dyes in wastewater can be removed by several methods including adsorption. In this study, batch experiments were conducted to determine the possibility of the removal of Basic Red 18 (BR18) textile dye from ...
• Investigation of the effect of solar irradiation and temperature on biomass production of h. pluvialis in photobioreactors under outdoor cultivation in Sri Lanka 

  Perera, ULMSM; Muthunayake, MKC; Madushanka, KWD; Ariyadasa, TU [Conference-Extended-Abstract]

  Complicated and changeable weather conditions and contamination from fungi, protozoa and bacteria increase difficulties in outdoor microalgae cultivation. In this paper, outdoor microalgae cultivation was investigated ...
• 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 ...
• Effect of co-digestion on the lipid inhibition in anaerobic digestion of desiccated coconut wastewater 

  Anjana, WTC; Jayathunga, P; Rathnasiri, PG [Conference-Extended-Abstract]

  Seven anaerobic batch reactors were run varying the Desiccated Coconut wastewater (DC) to Food Waste (FW) ratio at room temperature and the daily gas production and CH4 content was determined. Mono digestion of DC ...
• Variation of antioxidant and phenolic compounds with fermentation of Morinda citrifolia fruit juice 

  Samarasiri, BMH; Chandrasiri, PDTA; Gunawardena, SHP [Conference-Extended-Abstract]

  Antioxidant capacity (AC) and total phenolic content (TPC) are two major areas of studies on noni juice due to their correlation with therapeutic value. In this study, the variation of antioxidant capacity using DPPH ...
• Use of microaeration to remove sulfur from sulfate rich latex wastewater 

  Dissanayake, DMKNL; Maduwanthi, MDT; Rajapaksha, TM; Rathnasiri, PG [Conference-Extended-Abstract]

  Latex processing industry generates wastewater with high sulphate content which is converted into hydrogen sulphide in an anaerobic digester. Disposal of this latex wastewater has created severe environmental and health ...
• Textile dye decolorization & bioelectricity generation in a microbial fuel cell 

  Imalsha, DT; Kumari, WMSS; Walawege, OE; Gunawardena, SHP; Ariyadasa, TU [Conference-Extended-Abstract]

  Microbial fuel cells (MFC) have been gained a considerable attention during past few decades due to its ability to treat wastewater effluents while generating bioelectricity. In this study anode to cathode area ratio was ...

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