What is a disadvantage of using chlorine dioxide in water treatment?

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Multiple Choice

What is a disadvantage of using chlorine dioxide in water treatment?

Explanation:
Using chlorine dioxide in water treatment has the drawback that it can leave a taste in the water that some people find objectionable. This taste issue can affect consumer acceptance even though chlorine dioxide provides benefits like effective disinfection and reduced formation of chlorinated byproducts. Additionally, chlorine dioxide can help remove color by oxidizing colored compounds and it does oxidize many organics, while also lowering THM formation potential, so statements claiming it cannot do these things don’t fit. The taste/odor aspect is the practical disadvantage many utilities must weigh.

Using chlorine dioxide in water treatment has the drawback that it can leave a taste in the water that some people find objectionable. This taste issue can affect consumer acceptance even though chlorine dioxide provides benefits like effective disinfection and reduced formation of chlorinated byproducts. Additionally, chlorine dioxide can help remove color by oxidizing colored compounds and it does oxidize many organics, while also lowering THM formation potential, so statements claiming it cannot do these things don’t fit. The taste/odor aspect is the practical disadvantage many utilities must weigh.

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