This tutorial explains the steps of primary treatment of wastewater: screening, pumping, aeration and grit removal, primary settling of sludge, removing scum, and chlorine treatment for disinfection. Alternative primary treatments such as using Water Hyacinth to remove heavy metals and pumping wastewater through artificial marshes are also described. A short quiz is available.
This description of a site outside SERC has not been vetted by SERC staff and may be incomplete or incorrect. If you
have information we can use to flesh out or correct this record let us know.