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.
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.