For water disinfection we use:

chlorine 

c- Chlorine   

 or  ultraviolet    or  Ozone  c or chloroamine

c- Chlorine

c-chlorineee

c- Chlorine

Chlorine can be applied for the deactivation of most microorganisms and it is relatively cheap.

sodium hypochlorite or calcium hypochlorite and ozone

I order to Disinfect the water we use Chlorine

we use chlorine, heating and sanitization of water to 85 degrees

use high prussure or temperature by autoclave or hot air oven

chlorine. for water treatment in the industries we use chlorine and ozone for desinfection, and active coal for decontamination

The water treatment plant have many techniques in one closed cycle it has three major roles to disinfect the water from the microorganisms

1- water pass by a multiple of filters that removes the microorganism from the water

2-   the chlorination in the final cycle of water treatment.

3-the heating and sanitization of water to 85 C degree( SMaily used in sterile Areas)