Glossary of Water and Wastewater Terms

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5 random terms from our glossary

attached growth processes

Wastewater treatment processes in which the microorganisms and bacteria treating the wastes are attached to the media in the reactor. The wastes being treated flow over the media. Trickling filters and rotating biological contactors are attached growth reactors. These reactors can be used for BOD removal, nitrification, and denitrification.

RAS

See return activated sludge.

endothermic

A chemical change that releases heat.

incineration

The conversion of dewatered wastewater solids by combustion (burning) to ash, carbon dioxide, and water vapor.

manhole inflow

Surface waters flowing into a manhole, usually through the vent holes in the manhole lid.