• Non-dimensional analysis of mass transfer in a spouted bed dryer for black pepper drying 

  Abeysooriya, SH [Thesis-Abstract]

  Black pepper is an agricultural crop that is extensively used as a spice and as an additive in numerous other applications. Postharvest drying of pepper is an important step to enhance the pepper quality and shelf life. ...
• Effect of particle size and secondary air for particulate biomass combustion in a bubbling fluidized bed reactor 

  Silva GGSN [Thesis-Full-text]

  Biomass combustion is used as basic technology to generate heat by humans for millennia. With the incremental needs of modern man, biomass combustion still plays a major role in heat and power generation. In Sri Lankan ...
• Process parameter optimization of urban biowaste carbonization 

  Perera SMHD [Thesis-Full-text]

  About 75% of Municipal solid waste (MSW) collected around the country is organic biomass which mainly includes food waste, wood, paper, saw dust and paddy husk. Urban councils in Colombo city and nearby suburbs collect ...
• Investigation of CO2 sequestration possibility via aqueous phase mineral carbonation using industrial waste materials 

  Nanayakkara SG [Thesis-Full-text]

  Carbon dioxide (CO2) as the most vital greenhouse gas in the earth’s atmosphere plays a major role in maintaining the global temperature. Higher concentrations of CO2 in the atmosphere, increases amounts of heat entrapped ...
• Investigation of multicomponent heavy metals adsorption capability using raw coir dust and processed coir pith 

  Amarasinghe AMPC [Thesis-Full-text]

  Water is the most vital natural resource that sustains all living organisms on the earth and access to safe and clean water has become a crisis due to intense water pollution by anthropogenic activities, over-pumping of ...
• Process parameter optimization of washing pretreatment for inorganic removal from rice husk 

  Peiris DMA [Thesis-Full-text]

  Rice husk is particularly known as one of the most common agricultural waste and the usage of rice husk in energy applications is typically via the combustion process. Using agricultural waste for combustion application ...
• Kinetic modeling of tar formation in an updraft biomass gasifier 

  Jayathilake GKM [Thesis-Full-text]

  As the depreciation of the fossil fuels in the world, it is obligatory to discover new fuels to the highly industrialized society. With increasing requirements of the energy, it is globally focused on the use of renewable ...
• Influence of CO₂ injection on biomass updraft gasification process 

  Lenagala, IRND [Thesis-Full-text]

  The utilization of fossil fuels has enabled large-scale industrial development and largely supplanted water-driven mills, as well as the combustion of wood or peat for heat. The burning of fossil fuels by humans is the ...
• Modeling of biomass gasification with CO₂ enrich air as gasifying agent 

  Jayakody, KKR [Thesis-Full-text]

  The biomass gasification has been carried out using an updraft gasifier. This work focuses on the production of producer gas from biomass (Rubber Wood). Mathematical model for thermo-chemical process of biomass gasification ...
• Analysis and optimization of cyclone separators by using rans 

  De silva, MSM [Thesis-Full-text]

  Many types of particulate matter collectors are used in the industry to separate particulate matter from the gaseous streams. Among various type of particulate collectors, cyclone separators are one of the most extensively ...
• Assessment of environmental impact for accidental release of heavy gas 

  Gunawardena, YN [Thesis-Full-text]

  An air dispersion model can be used to mathematically simulate air pollutants dispersion in the ambient atmosphere. These dispersion results can be used to predict their environmental impact, concentrations and movement. ...
• Effect of particle size on packed bed biomass combustion 

  Rajapaksha, GDM [Thesis-Full-text]

  In this thesis, particle size effect on biomass (rubber-wood) combustion in a packed bed reactor was investigated in experimentally. Mass loss rate, bed shrinkage rate, temperature profile at different bed locations and ...
• One dimensional mathematical model for packed bed biomass combustion using MATLAB 

  Priyadarshani, U [Thesis-Full-text]

  Packed bed biomass combustion is widely used thermal conversion process which contributes major portion of energy fulfillment around the globe. This process is usually involving higher operation cost due to low efficiency ...
• Performance analysis of a cyclone separator using CFD 

  Rathnayake, NNW [Thesis-Full-text]

  Cyclone separator is a well-recognized, cost effective procedure of particle separation which used in many industrial works. As in cement industry, this cyclone separator used in order to separate calcium carbonate (CaCO3) ...
• Modeling of clay roof tiles drying process to minimize warping and cracking 

  Kumara, GT [Thesis-Full-text]

  The main drawback of traditional open rack type natural tile drying process is that in low humid windy seasons the rate of moisture removal will be high and due to formation of high moisture content gradient in side the ...
• CFD modeling of a centrifuge for oil - water separation 

  Thilakarathna, HGSM [Thesis-Full-text]

  Centrifugation is an efficient, economical and environmentally friendly method to remove un-desirable water content from oil and water mixtures and separate out the desired oil content.Moreover, the disc stack centrifuges ...
• Virtual suppports to analyse static floating structures and dynamic systems by static analysis software 

  Kumarasinghe, HS [Thesis-Full-text]

  When an object with high rigidity is subjected to free forces, moments and constrained forces, moments, stresses and strain will be formed in it. A support may be identified as a constrained which supplies forces/moment ...
• Investigation of temperature profiles of traditional puta and preparation of chalcopyrite ash for ayurvedic treatment using muffle furnace 

  Pathiraja, PMYS [Thesis-Full-text]

  Bhasmas (ashes) are complex compound forms of metals, minerals or gemstones obtained after a series of ayurvedic pharmaceutical preparation processes; purification (shodhana), trituration (bhavana) and incineration (marana) ...
• Study the effect of chitosan as an emulsifier and as an additive over cationic bitumen emulsion 

  Mallawarachchi, DR [Thesis-Full-text]

  Chitosan has amine and amino groups which have the ability to generate cationic type surfactants when combine with H+ ions. Thus its action as a cationic emulsifier is suitable for negatively charged siliceous aggregates ...
• Comparison of suitaility of different binding materials in briquette forming 

  Shyamalee, AMD [Thesis-Abstract]

  The process ofmanual saw dust briquette making was tested with different binding agents in the laboratory with 1.5 ton hydraulic jack. Dry cow dung, wheat flour and paper pulp were selected as binding agents. This briquette ...

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