Which one of the following is not used for disinfection of drinking water?

Step-by-step solution

In a sewage efficient treatment plan, during the tertiary treatment the decreased water is chlorinated with chlorine or perchlorate salts, ozonised or irradiate with UV to kill pathogens. Phenyl is not used for disinfection of drinking water. Phenyl is a strong deodorant and germicide for disinfecting surfaces, like floors and is extensively used for sanitation purpose. Related Theory Tertiary treatment is the final cleaning process that improves wastewater quality before it is reused, recycled or discharged to the