Читать книгу Automation of Water Resource Recovery Facilities - Water Environment Federation - Страница 234

There are several variations of grit removal equipment. Grit removal maintains settling velocity in a range that will allow materials with a high specific gravity to settle out while not allowing organic matter to settle. All grit removal equipment contains mechanical equipment that must operate to move grit from the units. Many modern systems consist only of grit pumps and cyclones to produce grit that can be disposed.