An aerated pond in which sewage solids are placed, and are decomposed by aerobic bacteria. Also known as aerobic pond.

Related Terms

PENSTOCK

1. A valve or sluice gate for regulating water or sewage flow. 2. A closed water conduit controlled by valves and located between the intake and the turbine in a hydroelectric plant.

OVERFALL DAM SEE OVERFLOW DAM. OVERFLOW

Any device or structure that conducts excess water or sewage from a conduit or container.

IMHOFF TANK

A sewage treatment tank in which digestion and settlement take place in separate compartments, one below the other.

HYDRAULIC ENGINEERING

A branch of civil engineering concerned with the design, erection, and construction of sewage disposal plants, waterworks, dams, water-operated power plants, and such.

SEWAGE

a discharge and other wastes from any form of toilets, urinals and scuppers.

SANITARY SEWER SYSTEMS

A system of horizontal and vertical piping that collects wastewater from floor drains, sinks, toilets and urinals. The sewage flows through the drainage piping to a central point of disposal.

SUMP

A sewage tank installed below the level of the lowest floor, with a submersibletype centrifugal pump that is used to pump the sewage into the public sewer main.

ACTIVATED SLUDGE

A semiliquid mass removed from the liquid flow of sewage and subjected to aeration and aerobic microbial action; the end product is dark to golden brown, partially decomposed, granular, and flocculent, and has an earthy odor when activated-sludge effluent fresh.

AERATOR

1. One who aerates. 2. Equipment used for aeration. 3. Any device for supplying air or gas under pressure, as for fumigating, welding, or ventilating. 4. Equipment used to inject compressed air into sewage in the treatment process.

AEROBIC-ANAEROBIC INTERFACE

That point in bacterial action in the body of a sewage sludge or compost heap where both aerobic and anaerobic microorganisms participate, and the decomposition of the material goes no further.

Related questions

MarineProHelp 2018 - 2021