Here are the answers to the Nov. 30, 2021 edition of TPO's Exam Study Guide:
A digester is being fed with sludge that is 60% volatile solids. The sludge withdrawn is 40% volatile solids. What is the percent reduction in volatile solids?The answer to the question is C, 55.6%. The formula for reduction of volatile solids percentage is: Volatile Solids In - Volatile Solids Out / Volatile Solids In - (Volatile Solids In x Volatile Solids Out) x 100%.
Study Guide Answer Key
Nov 30, 2021
