What is sewage treatment?
Wastewater treatment or sewage treatment generally refers to the process of cleaning or removing all pollutants, treating wastewater and making it safe and suitable for drinking before releasing it into the environment.
What are the main steps in sewage treatment?
There are four main stages of the wastewater treatment process, namely:
- Stage 1: Screening
- Stage 2: Primary treatment
- Stage 3: Secondary treatment
- Stage 4: Final treatment
What are the main causes of water pollution?
The main causes of water pollution are attributed to
- Industrial activities
- Urbanization
- Religious and social practices
- Agricultural runoff
- Accidents (such as oil spills, nuclear fallouts etc)
What are the effects of water pollution?
Water pollution can have disastrous consequences on the ecosystem. Furthermore, toxic chemicals can travel through the food chain and get into our bodies, causing diseases and death.