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首页> 美国政府科技报告 >Dissolved Oxygen Control of Mechanical Aerators at the Rensselaer CountyWastewater Treatment Plant
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Dissolved Oxygen Control of Mechanical Aerators at the Rensselaer CountyWastewater Treatment Plant

机译：Rensselaer县废水处理厂机械曝气器的溶氧控制

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The report describes the results of testing dissolved oxygen analyzers to controloperation of mechanical aerators at the Rensselaer County Sewer District Wastewater Treatment Plant and reduce the amount of energy uses while maintaining or enhancing biological treatment. Current electricity costs are more than $300,000 annually for aeration in the activated sludge process. Motors for the aerators are manually controlled between high and low speed. It is expected that energy consumption will be reduced by using automatic controllers that change the speed of the aerators in response to the concentration of dissolved oxygen in the aeration basins. The project had three objectives; to test several manufacturers' dissolved oxygen analyzers at various locations within the aeration basins at the Rensselaer County Sewer District Wastewater Treatment Plant for accuracy, reliability, response time, and maintenance requirements; to install one manufacturer's equipment in the aeration basins and operate the aerators either automatically or manually in response to dissolved oxygen readings; and to record plant operating and energy use data to determine whether the dissolved oxygen analyzers and controls were cost-effective and saved energy.

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