Online Respirometry As A Means Of Operational Control Of The Aeration Process.

Overview

The aeration process in biological treatment of wastewater is the single most energy consuming process at an activated sludge wastewater treatment plant (WWTP). Therefore, means of increasing treatment efficiencies and reducing energy waste are of increasing interest to treatment plant operators. In this study, an online respirometer was installed at Paul R. Noland WWTP in Fayetteville, Arkansas, to investigate the potential of using online respirometry to analyze operational cost requirements for respirometer ...
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Overview

The aeration process in biological treatment of wastewater is the single most energy consuming process at an activated sludge wastewater treatment plant (WWTP). Therefore, means of increasing treatment efficiencies and reducing energy waste are of increasing interest to treatment plant operators. In this study, an online respirometer was installed at Paul R. Noland WWTP in Fayetteville, Arkansas, to investigate the potential of using online respirometry to analyze operational cost requirements for respirometer control of the aeration process. During the study, the method of aeration control at the Noland WWTP was to run all the aerators at maximum capacity continuously. This method does not take into consideration the daily or seasonal changes that occur within the waste stream loading and affect aeration needs. A respirometer was installed for a period from January to April 2009 to analyze the waste stream loading and calculate the aeration cost for operational control by OUR measurement. The respirometer was able to provide information on the aeration needs of the waste stream, and therefore provide the operator with an operational energy equivalent that would provide sufficient aeration. The resulting reduction in operational costs for aeration of the monitored basin was calculated to be 13.7% for the period of study. Full implementation of respirometery control would allow more efficient control of the aeration process and reduce process energy waste.
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Product Details

  • ISBN-13: 9781243448125
  • Publisher: BiblioLabsII
  • Publication date: 9/2/2011
  • Pages: 108
  • Product dimensions: 7.44 (w) x 9.69 (h) x 0.22 (d)

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