De quoi est fait sewage treatment plant
Biological treatment of waste water (activated sludge).
- Bar screens — a pour partie. They catch large debris.
- Aeration tank with bubbling water — a pour partie. A tank where activated sludge breaks down pollutants.
- Round clarifier tank — a pour partie. Separating sludge from the treated water.
- Compresseur — a pour partie. Blowers supply oxygen to the microbes.
- Fermentation — utilise. Activated sludge is microbes.
- Culture medium (agar) — utilise. Waste water is cleaned by activated sludge — bacteria.
- Béton — est fait de. The tanks are concrete.