This document provides an overview of grit removal processes. It defines grit as heavy inorganic particles found in wastewater, typically between 20-140 mesh size, with over 90% between 50-100 mesh. Proper grit removal requires controlling water velocities between 1.6-3.5 feet/second. Vortex grit chambers use hydraulic forces to efficiently remove grit up to 140 mesh. Other topics covered include grit pumping, dewatering, and packaged headworks technologies.
This document provides an overview of grit removal processes. It defines grit as heavy inorganic particles found in wastewater, typically between 20-140 mesh size, with over 90% between 50-100 mesh. Proper grit removal requires controlling water velocities between 1.6-3.5 feet/second. Vortex grit chambers use hydraulic forces to efficiently remove grit up to 140 mesh. Other topics covered include grit pumping, dewatering, and packaged headworks technologies.