Monday, June 27, 2022, 7:24 AM
Site: Pa. DEP Operator eLearning Center
Course: Pa. DEP Operator eLearning Center (PADEP)
Glossary: Course Glossary


The addition of oxygen, removal of hydrogen, or the removal of electrons from an element of compound. With respect to water treatment, organic matter is oxidized to more stable substances.

  • (BNR01) Nitrification and Denitrification – An Introduction to Nitrogen Removal (1485)
  • (BIO10) Estimating Sludge Volume (2343)


The application of ozone to water for disinfection or for taste and odor control.

Ozone is an extremely powerful disinfectant and an excellent oxidizing agent.