NSF award 2520610 · Bucknell University

Collaborative Research: Coupled Effects of Density, Microstructure, and Ion Selectivity for Clay Membranes

Final report due

30 March 2029

in 894 days · The award ends on 30 November 2028.

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Decide about an extension2 Aug 2028in 654 days
award ending 2028-11-30 · Research.gov
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Extension request16 Oct 2028in 729 days
award ending 2028-11-30 · Research.gov
PAPPG 24-1: “at least 45 days prior to the end date”
No-cost extension notice20 Nov 2028in 764 days
award ending 2028-11-30 · Research.gov
PAPPG 24-1: “at least ten calendar days prior to the end date”
Final report due30 Mar 2029in 894 days
award ending 2028-11-30 · Research.gov
PAPPG 24-1: “no later than 120-days following the end date of the award”
Project outcomes report due30 Mar 2029in 894 days
award ending 2028-11-30 · Research.gov
PAPPG 24-1: “no later than 120 days following the end date”
Award is closed out30 Mar 2029in 894 days
award ending 2028-11-30 · 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 30 November 2028.
NSF rules say the final report is due no later than 120 days after that.
So the final report is due by 30 March 2029.

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Award card

Award number: 2520610
Period of support: 1 Dec 2025 – 30 Nov 2028
Amount: $199,631
Awardee: Bucknell University, Lewisburg, PA
Program: ECI-Engineering for Civil Infr, Special Initiatives
Directorate: ENG

Abstract

This award will support research that advances fundamental understanding of bentonite clay, promoting the progress of science and contributing to national infrastructure and water security needs. Bentonite is a natural clay mineral with a unique ability to act like a semi-permeable membrane, slowing the movement of chemicals while still allowing water to pass through. This special property can affect the performance…

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