Irradiation with Ultra-violet (UV) radiation
What is water
Water is disinfected to kill any pathogens that may be present in the water supply and to prevent them from growing again in the distribution
systems, without disinfections, the risk from waterborne disease is increased.
Disinfections has both advantages and disadvantages.
Disinfections is used to prevent the growth of pathogenic organisms and to protect public health and the choice of the disinfect depends upon the individual water quality and water supply system.
The key factors in selecting a disinfections system depend upon:
Its effectiveness in killing a range of microorganisms.
Possibility of producing harmful
Residual effect - the ability of
disinfections agent to remain effective in the
water throughout the distribution system.
Safety and easy handling of chemicals and equipments.
Would the presence of dead bodies in
water pose risk of epidemic infection?
The risk of epidemic due to dead bodies is negligible compared to person who is alive and infected.