Sewage treatment

Definition

Sewage treatment is the process of removing contaminants from wastewater to make it safe for release back into the environment. It involves physical, chemical, and biological processes to remove pollutants and pathogens.

Related terms

Wastewater: Water that has been used in homes, businesses, or industries and contains various pollutants.

Primary Treatment:

The initial stage of sewage treatment where large solids are removed through physical processes like screening and sedimentation.

Secondary Treatment: The second stage of sewage treatment where microorganisms break down organic matter in the wastewater through biological processes.