Wastewater Terminology

12345678910
Across
  1. 2. Process of killing or deactivating harmful microorganisms in wastewater to make it safe for discharge or reuse
  2. 3. Process of introducing air into wastewater to stimulate the growth of aerobic bacteria for treatment purposes
  3. 4. Raw wastewater entering a treatment plant or facility before undergoing treatment processes.
  4. 6. Treated or untreated wastewater that flows out of a treatment plant, sewer, or industrial outfall
  5. 8. Semi-solid residue produced during the treatment of wastewater, often containing a mixture of organic and inorganic materials
  6. 9. Abbreviation for Biochemical Oxygen Demand, a measure of the amount of dissolved oxygen consumed by microorganisms in water while decomposing organic matter
  7. 10. Coarse particles such as sand, gravel, or debris found in wastewater that can cause damage to treatment equipment
Down
  1. 1. Sludge Biological treatment process where microorganisms are used to break down organic pollutants in wastewater
  2. 5. Biological process occurring in the absence of oxygen, often used in wastewater treatment to break down organic matter
  3. 7. Process of removing suspended solids from wastewater by passing it through a porous material such as sand or a membrane