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Now showing items 201-220 of 6437

Review on biochar for enhancing biogas production from anaerobic digestion of food waste

Delpitiya, D.M.M.L.; Ariyarathna, S.M.W.T.P.K. [Conference-Full-text]

Food waste is the major waste fraction in municipal solid waste and is indeed a significant issue in society, with substantial economic, environmental, and social impacts. Various technologies exist to manage food waste, ...
Spatio-Temporal analysis with machine learning for sustainable management of abandoned quarries

Gouthaman, V; Jayakody, JANS; Jayasinghe, JASHR; Thiruchittampalam, S; Jayawardena, CL [Conference-Full-text]

The abandoned quarries demand not only appropriate rehabilitation but also continuous monitoring. If these sites are left unmanaged, they can create significant environmental and ecological impact due to changes in land-use ...
Experimental synthesis of zeolites from pre-processed coal fly ash using the microwave irradiation method

Amirthavarman, V.; Perera, A.W.B.M.; Madhuwantha, G.L.S.; Fernando, W.A.M.; Jayawardena, C.L.; Wickrama, M.A.D.M.G. [Conference-Full-text]

Coal power plants contribute by an excess of 40% to the generation of electricity worldwide. Coal fly ash (CFA), being a dominating by-product of coal power generation, is unique due to its physicochemical properties such ...
Use of integrated geophysical technology for exploring gem gravel beds in Rathnapura district, Sri Lanka

Wickramarathne, D.V.L.; Yathushan, S.; Gunarathna, R.M.C.N.; Vijitha, A.V.P.; Premasiri, H.M.R. [Conference-Full-text]

The pursuit of gemstones has captivated humanity for centuries, driven by their beauty and value. In Sri Lanka gem mining is carried out in a haphazard manner (blind digging) using conservative methods and without having ...
Enhancing stockpile inventory management through UAV- based volume estimation: a case study of salt stockpiles in Hambantota mahalewaya

Perera, M.T.R.D.; Wijesundara, K.K.G.I.; Jayawarna, M.D.; Chaminda, S.P.; Madhurshan, R.; Samarakoon, K.G.A.U. [Conference-Full-text]

Accurate volume estimation of stockpiles is crucial in industries such as Mining, Construction, salt, and Agriculture to optimize resource utilization. This study evaluates the effectiveness of Unmanned Aerial Vehicles ...
Assessment of seasonal and spatial water quality changes in Kelani river, sri lanka

Rathnayake, A.G.S.N.; Luxman, R.; Udayanga, N.A.P.; Chaminda, S.P.; Ishankha, W.C.A.; Gunawardhana, L. [Conference-Full-text]

The deteriorating water quality of the Kelani River over time has negatively affected environmental health and sustainability. This study aims to determine the relationship between land use types and its impact on the water ...
A predictive model derived from sattellite data and selected water quality parameters for invasive plant dynamics in north Bolgoda lake

Gowsiga, A.; Kayooran, S.; Sriyasantha, P.D.S.H.; Gohulan, H; Dassanayake, D.M.S.M.; Jayawardena, C.L. [Conference-Abstract]

The proliferation of aquatic weeds and algae in water bodies, such as Water Hyacinth coverage in North Bolgoda Lake, underscores potential pollution concerns associated with prolonged plant growth on surface water, changing ...
Forecasting the impact of land utilization on flood vulnerability through machine learning and remote sensing in Athuraliya and Akuressa divisional secretariat

Sujahath, M.S.M.; Senarathna, H.D.K.; Saranga, K.H.G.R.; Dissanayaka, D.M.D.O.K. [Conference-Abstract]

Akuressa and Athuraliya Divisional Secretariats in Sri Lanka frequently experience severe damage to human lives, infrastructure, and economic growth due to floods. These floods are often caused by elements like land use ...
Feasibility study of iron extraction from laterite

Vejitha, D.G.G.; Nuwansiri, W.M.R.; Bandara, H.M.V.W.R.; Rohitha, L..P.S.; Guluwita, S.P. [Conference-Abstract]

This study investigates the feasibility of extracting iron from laterite, a low iron-bearing rock, with a focus on the economic viability of the process. The aim to develop a feasible method to extract Iron from Lateritic ...
Disaster and attitudinal vulnerability: a systematic conceptual review

Senavirathna, C; Rajapaksha, S [Conference-Abstract]

Natural hazards represent a destructive force that poses a significant risk to human life, property, and the economy, among other aspects. The impact of natural hazards on the economy and human populations is profound. ...
Analysis of subsurface strata of Colombo and Gampaha districts of Sri Lanka, based on geotechnical investigation data

Karunarathna, K.S.S.; Wasana, N.W.A.P.; Bandara, M.G.K.M.; Ranathunga, R.M.IG.N.K.; Samaradivakara, G.V.I. [Conference-Full-text]

The subsurface exploration for geotechnical engineering applications in Sri Lanka is mainly based on borehole investigations. Several leading geotechnical engineering companies in the country have already done more than a ...
An alternative underground hoisting system for Kahatagaha underground graphite mine, Sri Lanka- a case study

Ekanayake, E.M.K.B.; Dissanayake, K.G.T.D. [Conference-Extended-Abstract]

Hoisting systems used in underground mines are essential for the transportation of equipment, personnel, mined ore and thus for the productivity of an underground mine. It consists of various components in which there are ...
The Impact of physiochemical conditions on hydrogen stability and storage in depleted carbonate hydrocarbon reservoirs

Lino, K.A.K; Elakneswaran, Y.; Hiroyoshi, N. [Conference-Abstract]

Hydrogen fuel derived from renewable energy and low-CO2 fossil sources has an immense decarbonization role in electricity generation, energy storage, transportation, and heavy industry. However, its lightweight nature ...
Solidification of organic waste oil in geopolymer using graphene oxide as the emulsion stabiliser

Seralathan, S; Elakneswaran, Y [Conference-Abstract]

The recycling and recovery of waste oil from various sources is a critical process, ultimately leading to its disposal in a diminished or non-hazardous state compared to its original form. Solidification is one of the ...
Recovery of valuable metals from acid mine drainage using aluminum-iron (AL-FE) bimetallic particles

Dano, DTR; Park, I; Ito, M; Resabal, VJT; Tabelin, CB [Conference-Abstract]

Acid mine drainage (AMD) is a mining industry waste that has been identified as a global critical pollutant. Due to its high acidity and high metal content, it poses detrimental effects to the environment and ecosystems. ...
A Statistical analysis of urban location data obtained from smartphones for disaster response

Jayasundara, D.R.T.; Kularatne, M.K.B.D.; Samarakoon, K.G.A.U.; Jayawardena, C.L. [Conference-Abstract]

Technological advancements in device hardware and application software platforms have enabled smart phones to be used for multiple purposes as an all-in-one hand-held device. Its readily availability among majority of ...
Seasonal dynamics of nickel attenuation in acid mine seepage: implications for remediation strategies at BCL copper-nickel mine tailings, Botswana

Godirilwe, J; Otake, T; Kikuchi, R [Conference-Abstract]

Mining activities in Botswana have posed significant environmental challenges, notably acid mine drainage (AMD) resulting from sulfide ore processing at the BCL copper-nickel mine tailings. This generates AMD seepage ...
The Impact of gas impurities on CO2 storage in depleted oil field with carbonate reservoirs

Muer, A; Elakneswaran, Y [Conference-Abstract]

The carbon dioxide capture and storage (CCS) is considered as a promising technology for carbon dioxide emission reduction. High-purity CO2 mixture gas is separated from the flue gas and pumped into underground for a ...
An Investigation into the pretreatment methods for the extraction of platinum (Pt) from platinum oxide ores

Tatenda, MM; Park, I; Ito, M [Conference-Full-text]

Platinum (Pt) is known to be one of the rarest metals in the world.lt’s unique physical and catalytic properties make it largely valued across a number of various demand segments and technologies. The four main segments ...
Fundamental study of the influences of discontinuities on rock slope displacement due to excavation

Kubo, T; Zhang, C; Sainoki, A; Kodama, J [Conference-Full-text]

In the Higashikagoe limestone quarry, discontinuities are thought to be one of the factors contributing to the deformation of the rock slope. In this study, we investigated the impact of discontinuities and dip angles on ...

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