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TREATMENT PROCESS OPTIMIZATION THROUGH DIURNAL FLOW MANAGEMENT

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Almost all wastewater treatment facilities experience dry weather diurnal influent flow patterns that are generally predictable and well-known to plant operators. These flow variations are widely regarded as a negative factor in treatment plant operations, and equalized influent flow is usually regarded as a more desirable operating regime. However, experiments with diurnal flow management at the San Antonio Water System's Water Recycling Centers have shown they can be a positive factor in facility operation and optimization. The paper will provide case-study examples at SAWS' facilities, ranging in size from large advanced secondary plants to very small package plants, that illustrate how daily peak and low flow conditions can be managed to provide significant operational benefits and cost savings. These include improved algae control, reduced chemical and electrical consumption, reduced maintenance requirements, decreased sludge hauling costs, and increased wasting capacity.
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Document Type: Research Article

Publication date: 2005-01-01

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