Why is sewage treatment necessary?
Sewage treatment is necessary because it reduces pollutants in sewage to a level nature can handle, thus avoiding disastrous consequences.
Sewage is dirty water, it includes used water from sinks, showers, bathtubs, toilets, washing machines and dishwashers.
Nature can cope with small amounts of sewage and pollution, but it can’t treat all the world’s sewage; that’s where treatment plants come into play: they help to reduce pollutants in sewage to a level nature can handle. That’s why sewage treatment is essential.
These state-of-the-art sewage treatment solutions treat used water in different stages:
- “Primary treatment” removes about 60 per cent of suspended solids from sewage.
- “Secondary treatment” removes more than 90 per cent of suspended solids.
The now-treated effluent is discharged afterwards into the environment for the final treatment.
