Wastewater Treatment Processes and Water Reuse
Waste Water Treatment
Published Online: 15 JUL 2005
Copyright © 2005 by John Wiley & Sons, Inc.
How to Cite
McLeary, K. S. 2005. Wastewater Treatment Processes and Water Reuse. Water Encyclopedia. 1:814–819.
- Published Online: 15 JUL 2005
The selection of wastewater treatment processes depends on the influent characteristics, the quality of effluent required, and the cost. Treatment can be divided into these stages: preliminary, primary, secondary, and advanced treatment.
The objective of preliminary treatment is to prepare wastewater for further treatment by removing large objects and grit from the wastewater. These materials may otherwise impede the efficiency or increase the maintenance of downstream processes. Typical preliminary treatment may include screening, grit removal, comminution, and flow equalization.