Importance of Aeration Basin Detention Time in the Activated Sludge Process

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by Walter G. Bashaw, Jordan, Jones & Goulding Inc, United States,

Document Type: Proceeding Paper

Part of: Environmental Engineering

Abstract: Aeration basin detention time is a key design parameter for an activated sludge system at a wastewater treatment plant. The impacts of reducing the aeration time is illustrated by a case study. In general, a shorter aeration period was demonstrated to reduce power usage for aeration and to increase waste sludge production. Although sludge handling costs increased, the net effect was a modest reduction overall in plant operating costs.

Subject Headings: Aeration | Detention basins | Wastewater treatment plants | Sewage | Activated sludge | Case studies | Parameters (statistics) |

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