Chlorination
The correct answer is Chlorination.
Chlorination is a widely used and effective method for treating drinking water to eliminate harmful bacteria and viruses. The process involves adding chlorine to the water, which acts as a disinfectant, killing microorganisms that could cause waterborne illnesses. Other options are incorrect because:
- Oil filtration: While oil filtration is important in some industrial applications, it's not typically used for the primary disinfection of drinking water.
- Acid neutralization: Acid neutralization adjusts the pH of water, but it does not kill pathogens.
- Incineration: Incineration is a process for disposing of waste, not for treating water.
Therefore, chlorination is the standard and most common method employed in water treatment plants worldwide to ensure the safety and potability of drinking water.
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