Project Grant 2420677

Award Date 8/15/24
Completion Date 7/31/28
Dollars Obligated $464K
Federal Grant Program
47.041
Assistance Type
Project Grant
Place of Performance
Nashville, TN 37203, USA

This National Science Foundation (NSF) Engineering program (CFDA 47.041) Project Grant award of $463,963 to Vanderbilt University supports the development of cost- and energy-efficient brine treatment technologies to enable decarbonized brackish water desalination (BWD) for climate-adaptive water supply. The key objectives are to:

  1. Develop a novel process integrating nanofiltration and reverse osmosis to enable cost-effective brine volume reduction;
  2. Design an innovative interface-enhanced crystallizer for energy-efficient and robust brine crystallization;
  3. Develop a high-efficiency heat pump to power the zero liquid discharge (ZLD) system; and
  4. Evaluate the sustainability of off-grid, decarbonized inland BWD with ZLD through techno-economic, lifecycle, and social acceptance assessments.

The successful completion of this 4-year project, running from August 2024 to July 2028, has the potential for transformative impact by enabling decarbonized ZLD to support the wide adoption of climate-resilient inland desalination and improve water resilience against a changing climate. The project will also provide research opportunities for undergraduate and graduate students from underrepresented groups.

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