How Do You Use Ultraviolet Light For Water Purification?
Ultraviolet light is used in water purification, the process of making water clean and potable. It is used in one of the final steps of water purification. It is also used in a portable water purifier. Ultraviolet light is found at higher frequencies than the color violet. Its electromagnetic waves are present in electric arcs and sunlight. There are also special UV lights that radiate this frequency. Water purification is considered important because it provides people with one of their necessities—safe water to drink. Water purification is the system of removing particles such as dirt, chemicals and other biological particles that may contaminate the water. • The first step in water purification is called pre-treatment. In this process, water is collected through container tanks, filtered and then screened, to remove large particles. • After pre-treatment, making the water clear and colorless is the next step. This process is called flocculation. Once flocculation is completed, sedim