NSF award 2602319 · University of Utah

Understanding process densification and fundamentals of nitrification inhibition in pure oxygen aerated activated sludge systems.

Final report due

28 September 2029

in 1,076 days · The award ends on 31 May 2029.

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Decide about an extension31 Jan 2029in 836 days
award ending 2029-05-31 · Research.gov
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Extension request16 Apr 2029in 911 days
award ending 2029-05-31 · Research.gov
PAPPG 24-1: “at least 45 days prior to the end date”
No-cost extension notice21 May 2029in 946 days
award ending 2029-05-31 · Research.gov
PAPPG 24-1: “at least ten calendar days prior to the end date”
Final report due28 Sep 2029in 1076 days
award ending 2029-05-31 · Research.gov
PAPPG 24-1: “no later than 120-days following the end date of the award”
Project outcomes report due28 Sep 2029in 1076 days
award ending 2029-05-31 · Research.gov
PAPPG 24-1: “no later than 120 days following the end date”
Award is closed out28 Sep 2029in 1076 days
award ending 2029-05-31 · Research.gov
PAPPG 24-1: “financially closed out 120 days after their expiration date”

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NSF lists this award's end date as 31 May 2029.
NSF rules say the final report is due no later than 120 days after that.
So the final report is due by 28 September 2029.

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Award card

Award number: 2602319
Period of support: 1 Jun 2026 – 31 May 2029
Amount: $468,590
Awardee: University of Utah, Salt Lake City, UT
Program: EnvE-Environmental Engineering
Directorate: ENG

Abstract

Municipal wastewater treatment plants often use the activated sludge process, which relies on groups of bacteria to remove harmful pollutants from wastewater. These bacteria break down organic matter and ammonia into safer substances, helping protect rivers, lakes, and human health. To keep the bacteria alive and working, air is pumped into the water to provide oxygen. However, this aeration step uses a large amount…

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