Study Guide Answer Key

Here are the answers to the July 14, 2020 edition of TPO's Exam Study Guide: 1. Membrane Bioreactors (MBR’s) are becoming a viable option for retrofitted waste treatment facilities or built from ground up facilities. What are the two types of MBR layouts commonly used? The answer to this question is B, sidestream and inline (submerged). MBR technology is a combination of activated sludge and fixed film processes. It uses a membrane filtration unit to perform the solid-liquid separation instead of a secondary clarifier. There are two types of layouts, sidestream and inline. Sidestream uses the process in a separate tank and the inline units