PROCESS ENGINEERING & TECHNOLOGY MANAGEMENT
Author: Johann Lombaard
Date: 2 January 2024
PROCESS ENGINEERING & TECHNOLOGY MANAGEMENT
Virdus Cheatsheets
UV & UV-AOP
Interesting Facts
Water disinfection => UV consumes 10,000 to 20,000 times less energy than boiling
Ultraviolet (in general) = 10 to 400 nm
UV-C: disinfection, photolysis, advanced oxidation
What is it used for?
Disinfection – inactivation of microorganisms, such as bacteria and viruses.
-
Potable water treatment
-
Wastewater treatment
-
Ventilation ducts in hospitals and buildings
Photolysis – decomposition of micropollutants susceptible to ultraviolet light
-
Combined chlorine removal
-
Residual ozone removal
-
Destruction of natural organic material
Advanced oxidation – production of oxidative radicals that break down micropollutants
-
Destruction of pharmaceuticals
-
Destruction of pesticides
-
Destruction of endocrine disruptors
-
Destruction of persistent micropollutants
How is it used?
UV dose – each type requires its own typical UV dose which is measured in J/m2 and specifies how much UV light is used as a treatment.
UV-AOP (Advanced Oxidation) dose – 5,000 to 20,000 J/m2 in combination with 5 to 30 ppm H2O2.
Virdus Consult S.L. © 2016 - 2024