Aeration systems for wastewater treatment

von Achanta Ramakrishna Rao und Ajey Kumar Patel

Softcover - 9783845473413

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Beschreibung

Aeration is one of the important processes employed in activated sludge process of the biological treatment units of wastewater. In this process the level of dissolved oxygen in the effluent is raised to the required amounts to decompose organic matters present in the effluent and thereby to reduce the BOD (biochemical oxygen demand) of the effluent by a physical means called ¿aeration process¿. The aeration process consumes as much as 60-80% of total power requirements of wastewater treatment plants. Therefore, the efficiency in design of aeration process is required so that wastewater treatment and its power consumption can be economized.