grit chamber

grit chamber

[′grit ‚chām·bər]
(civil engineering)
A chamber designed to remove sand, gravel, or other heavy solids that have subsiding velocities or specific gravities substantially greater than those of the organic solids in waste water.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
Sewage treatment plant consists of grit chamber, equalisation tank, fluidised media reactor, sand and carbon filtration.
Computer simulation helped engineers find a more efficient geometry for an aerated grit chamber, used for a pre-treatment process in a large waste-water plant, that reduced power costs by $200,000 per year.
Follow its progress, starting with the grit chamber, above right.
It is therefore difficult to provide a grit chamber that will have the same desirable velocity for all volumes of flow.
A conventional nitrification plant layout consists of a bar screen, grit chamber, presedimentation tank, aeration tank, and final sedimentation tank.
The solids themselves - a mass of sand, grit, hair, rags, and snails mixed with some sludge - were pumped out in slurry form through 700 ft of contractor-placed temporary on-surface piping to a plant-site grit chamber. A contractor-supplied 6-in.
Grit chamber mechanisms with these features are provided by Aerators, Inc.; Arlat Inc.; Dorr-Oliver; E & I Corp.