Wednesday, February 24, 2016

Elimination of bacteria and viruses in the water with ultraviolet radiation and hydrogen peroxide

Ultraviolet radiation, which is effective in removing bacteria and viruses in recent years as an alternative method of chemical disinfectants in drinking water and wastewater treatment was introduced. Not forming carcinogenic byproducts, and low cost, makes attractive the use of ultraviolet disinfection. Ultraviolet radiation, renders them ineffective as the cause of significant changes in the cells of microorganisms.

Ultraviolet rays penetrate the cell wall and the DNA preventing the proliferation of this. In water disinfection, which is required for ultraviolet (UV) radiation, the amount of water permeability and UV resistance of microorganisms varies depending on. UV low permeability in the water, also the amount of UV light that reaches the microorganisms is less. Hardness, Iron, suspended solids, humic matter in water permeability and the parameters that affect the amount of UV.




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