Definitions for "Primary sewage treatment"
Mechanical sewage treatment in which large solids are filtered out by screens and suspended solids settle out as sludge in a sedimentation tank. Compare advanced sewage treatment, secondary sewage treatment.
The treatment of wastewater to settle out suspended solids in primary sedimentation tanks. It is normal for wastewater to receive preliminary treatment prior to sedimentation.
Process that removes solids from sewage