The wastewater treatment or sewage treatment is a broad term that applies to any process, operation or combination of process and operations that can reduce the objectionable properties of water carried waste and render it less dangerous and repulsive to man. Thus the wastewater should be treated before its ultimate disposal in under too.
- Reduce the spread of communicable caused by the pathogenic organisms in the sewage.
- Prevent the pollution of surface and groundwater.
- Wastewater treatment is a combination of physical, chemical and biological processes.
- Wastewater treatment is a combination of physical, chemical and biological processes.
- Methods of treatment in which the application of physical forces predominates are known as a unit operation, while the methods of treatment in which chemical or biological activity are involved are known as unit processes.
There are three types of unit operations and processes
- Physical unit operations
- Chemical unit processes
- Biological unit processes
Waste water treatment system
