Which of the following is a disadvantage of using chlorine for disinfection in w

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Question: Which of the following is a disadvantage of using chlorine for disinfection in wastewater treatment?

Options:

Correct Answer: It can form harmful byproducts

Solution:

A disadvantage of using chlorine for disinfection is that it can form harmful byproducts, such as trihalomethanes, which are toxic.

Which of the following is a disadvantage of using chlorine for disinfection in wastewater treatment?

Which of the following is a disadvantage of using chlorine for disinfection in wastewater treatment?

Step 1: Understand that chlorine is used to kill harmful bacteria in wastewater.
Step 2: Learn that while chlorine is effective, it can react with organic materials in the water.
Step 3: Recognize that this reaction can create harmful byproducts.
Step 4: Identify that one of these byproducts is called trihalomethanes, which can be toxic.
Step 5: Conclude that the formation of these toxic byproducts is a disadvantage of using chlorine for disinfection.

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