The decontamination of fluids and surfaces. To disinfect a fluid or surface a variety of techniques are used, such as ozone disinfection. Often disinfection means eliminating the present microorganisms with a biocide.Pathogens are the most frequent arising germs than result in water-borne diseases. The disinfection process works well in eradicating and permanently removing pathogens from drinking water, thereby decreasing health-concerns. Disinfection is efficient when incorporating chemicals by utilizing water treatment methods such as ultraviolet radiation, media filtration, or even heat and chemicals.