The Use of BioWin to Optimize Intermittent Cycle Extended Aeration System (ICEAS) Sequencing Batch Reactor (SBR) Operation to Enhance Total Nitrogen Reduction

The Chesapeake Bay Initiative Program, signed in the early 2000s, required many point-source facilities such as Wastewater Treatment Plants to meet more stringent effluent total nitrogen and phosphorus discharge limits. The Intermittent Cycle Extended Aeration System (ICEAS) is a unique type of Sequencing Batch Reactor (SBR) in that it has a continuous influent flow but still maintains the similar cycle structure as a traditional SBR. If owners of ICEAS-SBR wastewater treatment facilities are required to meet more strict effluent requirements, they have less options to make major modifications than a traditional system. To assist in maximizing the nitrogen removal efficiency of an ICEAS-SBR system, three different alternatives were modeled using BioWin. The altering of cycle times to include a longer “air-on” phase of the storm mode and utilizing a modified 3.2-hour cycle were both effective at reducing effluent total nitrogen. Supplemental carbon did not show positive results in total nitrogen removal efficiency but should be trialed in real-world applications, while supplemental alkalinity was also shown to be very effective at reducing effluent total nitrogen. These three cost effective alternatives for ICEAS-SBR systems should continue to be evaluated but all have shown potential positive results that can be implemented by owners and engineers that work with ICEAS-SBR systems.

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Work Title The Use of BioWin to Optimize Intermittent Cycle Extended Aeration System (ICEAS) Sequencing Batch Reactor (SBR) Operation to Enhance Total Nitrogen Reduction
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Open Access
Creators
  1. Michael Krieger
Keyword
  1. Master of Engineering in Environmental Engineering
  2. ENVE_MENG
License In Copyright (Rights Reserved)
Work Type Research Paper
Publication Date May 2023
Deposited April 19, 2023

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  • Updated Keyword Show Changes
    Keyword
    • Master of Engineering in Environmental
    • Master of Engineering in Environmental Engineering, ENVE_MENG, Use of BioWin to Optimize Intermittent Cycle Extended Aeration System to Enhance Total Nitrogen Reduction
  • Added Creator Michael Krieger
  • Added The Use of BioWin To Optimize ICEAS SBR Operation to Enhance Total Nitrogen Reduction.pdf
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    Publication Date
    • 5/2023
    • 2023-05
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    Keyword
    • Master of Engineering in Environmental Engineering, ENVE_MENG, Use of BioWin to Optimize Intermittent Cycle Extended Aeration System to Enhance Total Nitrogen Reduction
    • Master of Engineering in Environmental Engineering, ENVE_MENG
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