Tutorial 1: April 26, 2020, 14:00 - 14:45

UV for disinfection and water purification

Karl Linden | University of Colorado Boulder, USA

The tutorial will introduce the audience to the use of ultraviolet radiation for water disinfection and purification.  Topics to be covered will include:
 

  • Fundamentals of UV for disinfection of pathogens in water
    • Important UV wavelengths for inactivation of microorganisms
    • Mechanisms of UV disinfection – why UV works
     
  • Review of the major types of UV systems and their emission spectra, including UV LEDs and non-mercury lamps
     
  • Advantages and disadvantages of UV treatment for water
     
  • Examples of UV systems in practice: Municipal and household scales
     
  • Overview of regulations for use of UV in water treatment
     
  • Validation methods for UV disinfection systems
     
  • Water quality factors to consider in design of UV disinfection systems
     
  • UV applications for purification of water from chemical pollutants
    • UV photolysis and advanced oxidation
     
  • Role of UV LEDs in the future of UV water treatment