Differentiate between activated sludge process and trickling bed filter

The activated sludge process and trickling bed filter are both commonly used wastewater treatment methods, but they operate on different principles and mechanisms.

Activated Sludge Process:

The activated sludge process is a biological method for treating wastewater. It involves the use of microorganisms to break down organic matter in sewage. Here's how it works:

1. Aeration Tank: Wastewater is mixed with a culture of microorganisms (activated sludge) in a large tank. Air is continuously pumped into the tank to provide oxygen for the microorganisms.

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