Bar screen

Bar Screen
In wastewater treatment, a device used to remove large solids.
Source: Terms of the Environment ...

bar screen In wastewater treatment, a screening device consisting of metal rods, at a fixed distance apart, placed across a flow channel to remove large solids.

Primary treatment Treatment which includes all operation prior to and including primary treatment, e.g., bar screening, grit removal, comminution, and primary sedimentation.

Procaryotic organisms Organisms which do not have a cellular membrane.

See also: Waste, Treatment, Solution, Wastewater treatment, Wastewater