Welcome back to TPO magazine's Exam Study Guide Series, which offers a pair of water/wastewater study questions with in-depth explanations of the answers. Last time, we covered a set of wastewater and drinking water treatment questions on the topics of activated sludge treatment parameters and chlorine dioxide. This time you can test your knowledge about excessive odors and identifying illegal water usage from hydrants.
Wastewater Treatment Sample QuestionWhile using sand beds to dry sludge, what is the probable cause of excessive odors when sludge is applied, and what is the best solution?
A. Clogged wedge wires in underdrain, and high pressure spray at discharge pointB. Over-digested sludge, and change digester temperature settingsC.
