Study Guide Answer Key

Here are the answers to the June 3, 2021 edition of TPO's Exam Study Guide: 1. What part of a gravity belt thickener clear a path on the belt where the water falls freely through the belt?The answer to this question is C, chicanes. Gravity belt thickeners are very effective means of thickening sludge for further conditioning prior to land application or disposal. They're able to achieve .4 to 8% solids and have been known to achieve higher sludge concentrations. Gravity belt thickeners remove water from the chemically conditioned sludge as it moves across a woven or porous belt. Chicanes are placed along