Disinfection byproducts increase as ______ increases, and low pH favors ______ and high pH favors ______.

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Prepare for the ADEQ Water Treatment Levels 1 and 2. Study with tailored questions, in-depth explanations, and interactive quizzes. Elevate your skills and ensure exam success!

Multiple Choice

Disinfection byproducts increase as ______ increases, and low pH favors ______ and high pH favors ______.

Explanation:
Disinfection byproducts form when a disinfectant reacts with natural organic matter in water, and their production depends on temperature and pH. When temperature rises, chemical reaction rates increase, so more DBPs are produced overall. The pH of the water influences which DBP families are favored: lower pH tends to promote the formation of haloacetic acids (HAA5), while higher pH promotes the formation of trihalomethanes (TTHMs). So, as temperature increases DBPs go up, with low pH favoring HAA5 and high pH favoring TTHM.

Disinfection byproducts form when a disinfectant reacts with natural organic matter in water, and their production depends on temperature and pH. When temperature rises, chemical reaction rates increase, so more DBPs are produced overall. The pH of the water influences which DBP families are favored: lower pH tends to promote the formation of haloacetic acids (HAA5), while higher pH promotes the formation of trihalomethanes (TTHMs). So, as temperature increases DBPs go up, with low pH favoring HAA5 and high pH favoring TTHM.

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