The further treatment of sewage effluent by biological methods following sedimentation.
- Most treatment plants also have secondary treatment, whereby sewage is stirred and oxygen is blown in to help beneficial bacteria breed and eat up the ‘solids.’
- Ecosystem damage and fish toxicity occurred downstream from mills that did not use chlorine, even in advanced mills with secondary treatment processes.
- This waiver allows for less than full secondary treatment of the sewage being discharged into the ocean off Huntington Beach.
For editors and proofreaders
Syllabification: sec·ond·ar·y treat·ment
Definition of secondary treatment in:
What do you find interesting about this word or phrase?
Comments that don't adhere to our Community Guidelines may be moderated or removed.