Browsing Faculty of Applied Science by Subject "Hardness"

Browsing Faculty of Applied Science by Subject "Hardness"

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  • Assessment of Water Quality Parameters in the Cascade Systems that Feed Peraru Reservoir 
    Sathsarani, P.P.M.; Suntharalingam, S.; Devaisy, S. (Faculty of Applied Science University of Vavuniya Sri Lanka, 2025)
    The water resources of the Peraru reservoir are treated by the National Water Supply and Drainage Board, Vavuniya and distributed to the public for potable and non-potable purposes. However the water hardness fluctuate ...
  • Comparison of Different Biosorbents on Hardness Reduction from Groundwater 
    Samama, N.F.; Devaisy, S. (Faculty of Applied Science, University of Vavuniya, 2024-10-30)
    Though Reverse Osmosis (RO) provides excellent filtration of cations from drinking water, it has several drawbacks; significant water wastage as RO brine, high energy consumption, and substantial capital costs. Additionally, ...
  • Removal of fluoride and hardness in water using zeolite modified dendro biochar composite 
    Niththiyaraja, K.; Hettithanthri, O.; Nanthakumaran, A.; Vithanage, M. (Faculty of Applied Science, University of Vavuniya., 2022-11-03)
    Fluoride removal has been researched much, however, hardness removal has been given less attention and simultaneous removal of fluoride and hardness has not been studied in the literature. Hence, the objective of this ...
  • Removal of Total Hardness from Surface water using Chemical Softening Techniques 
    Pirapakaran, S.; Saravanan, S.; Devaisy, S. (Faculty of Applied Science University of Vavuniya Sri Lanka, 2025)
    Water hardness, primarily caused by dissolved calcium and magnesium ions, is a common signif icant challenge in surface water sources, leading to scale formation and operational issues in both domestic and industrial ...
  • REMOVAL OF WATER HARDNESS FROM GROUNDWATER USING LEMON PEEL DERIVED BIOCHAR 
    Hafsa, H.N.F.; Devaisy, S. (Faculty of Applied Science, University of Vavuniya, 2023-10-25)
    Water hardness is the amount of dissolved calcium and magnesium ions in the water. Problems with hardwater include toughening of skin and hair, spots on sinks and clothes, scaling in boilers, washing machines, and pipes, ...

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