the way that disinfecting our drinking water with chlorine helped end typhoid as a major cause of death in the US. The ...

Ultraviolet light in sunlight can cause the skin to ... of UV mean it will kill bacteria and can be used for disinfecting water. Changes in atoms and their nuclei can cause electromagnetic waves ...

He adds: "This type of disinfection can also be applied ... Therefore manual cleaning is needed first. UV light has been used for decades in water and air purification, and used in laboratories.

LEWISBURG — The Lewisburg Area Joint Sewer Authority intends to change its disinfection process from chlorine gas to ultraviolet light, a move that it says would be safer for both people and the ...

Dalhousie researchers and their industrial partners have piloted the world’s first municipal-scale UV LED reactor for wastewater treatment, a groundbreaking innovation that has set the stage for a ...