What are disinfection byproducts?

Disinfection byproducts are the substances that form when disinfectants, such as chlorine or chloramine, react with natural organic matter present in the water. During the disinfection process, these chemicals can combine with organic materials like decayed plants and animals, leading to the formation of various byproducts. Some of these byproducts can have health implications, making understanding and managing them important in water treatment practices.

In contrast, the first choice refers to the primary purpose of disinfection agents, not the unintended byproducts created during the disinfection process. The third choice talks about organic compounds added for taste improvement, which does not relate to the unintended byproducts formed during disinfection. Lastly, the fourth option mentions pollutants, which could occur due to various factors in water distribution but are not specifically linked to the disinfection process itself. Thus, the second option accurately defines disinfection byproducts.