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Browsing by Author "Kumarasinghe, A. R."

Browsing by Author "Kumarasinghe, A. R."

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  • Development of sand/graphene composite and its application for MCPA pesticide adsorption from water 
    Perera, W. P. R. T.; Ruwanthi, N.M.N; Perera, P. L. R. A.; Kannangara, Amila; Premarathna, W.A.P.J; Liyanage, J. A.; Kumarasinghe, A. R. (Faculty of Science, University of Kelaniya Sri Lanka, 2023)
    This research endeavours to synthesize a novel adsorbent, sand/graphene oxide composite (MGO/S), achieved through the iterative deposition of graphene oxide layers on river sand employing a thermal annealing process. ...
  • Investigation of fluoride adsorption capacity of characterized graphene oxide based super sand 
    Perera, R. T.; Pathirannehe, P. N. S.; Weerasooriya, R.; Kumarasinghe, A. R.; Liyanage, J. A. (Research Symposium on Pure and Applied Sciences, 2018 Faculty of Science, University of Kelaniya, Sri Lanka, 2018)
    Sand is conventionally used in water treatment plants to control water turbidity. This research work was aimed for improving its performance using a chemical modification to remove other water contaminants as well. Thus ...
  • Novel membranes for treatment of water: Graphene oxide membranes cross-linked with metal cations 
    Bandara, W. R. N. M.; Liyanage, J. A.; Kumarasinghe, A. R. (4th International Research Symposium on Pure and Applied Sciences, Faculty of Science, University of Kelaniya, Sri Lanka, 2019)
    Declining of water resources and rapid expansion of the consumption of water worldwide have led to the search of novel water treatment technologies that can provide a safe water supply to the mankind. Graphene oxide (GO), ...
  • Study of aqueous calcium ion adsorption competence by coreshell adsorbent granules engineered from sand/graphene oxide nanocomposite 
    Premasinghe, Niroshan; Perera, W. P. R. T.; Fernando, W. S. K.; Liyanage, Janitha A.; Kumarasinghe, A. R. (Institute of Chemistry Ceylon Adamantane House, Rajagiriya, Sri Lanka., 2020)
    In water treatment, sand unit processes are frequently used to remove turbidity. In order to enhanced the performance of the sand, a surface modification was done using graphite oxide. The core-shell granules were ...
  • Synthesis and characterization of silica nanoparticles and graphene oxide/nanosilica composite 
    Weerasinghe, M. A. S. N.; Liyanage, J. A.; Kumarasinghe, A. R. (4th International Research Symposium on Pure and Applied Sciences, Faculty of Science, University of Kelaniya, Sri Lanka, 2019)
    Ordinary sand is commonly used for water purification. Graphene oxide (GO) is capable of absorbing various water pollutants such as heavy metals and organic contaminants. The ability and the efficiency of water treatment ...

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