Diffuser is a type of control device that is used in wastewater treatment plants to distribute air or gas into the wastewater. The diffuser system is an essential part of the aeration process in the activated sludge treatment process.
The diffuser consists of a porous membrane or disk that allows air to pass through it in a fine bubble form. The diffuser is placed at the bottom of the aeration tank, and compressed air is forced through the diffuser to create bubbles. These bubbles rise to the surface, providing oxygen to the microorganisms that break down the organic matter in the wastewater.
The diffuser system provides several benefits in wastewater treatment. Firstly, it enhances the oxygen transfer efficiency of the aeration process, which results in better treatment results. Secondly, it reduces energy consumption by minimizing the amount of air required for the process. Lastly, the fine bubbles produced by the diffuser help to maintain a uniform distribution of the microorganisms, which ensures optimal treatment efficiency.
Overall, diffuser systems play a critical role in the wastewater treatment process and help to ensure that the effluent meets the required standards for discharge.