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 MPN Testing and Water Distribution System Layout. This time you can test your knowledge about dewatering polymer selection and granular activated carbon filter backwash rate.
Wastewater Treatment Sample QuestionWhen selecting a polymer for dewatering on a belt-filter press, what performance requirement should be conducted before making a choice of polymers?
A. Time-to-filter testB. pH and acidity analysisC. Jar testD. Emulsion standards analysis
Water Treatment Sample Question
The backwash rate for a granular activated carbon
