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Development of Engineered Metal-Organic Framework (MOF) materials for perfluorooctane sulfonate (PFOS) Remediation

Technical Report ·
DOI:https://doi.org/10.2172/1984699· OSTI ID:1984699
 [1];  [2];  [1];  [1];  [1];  [1];  [1];  [3]
  1. Pacific Northwest National Laboratory (PNNL), Richland, WA (United States)
  2. TerraPower LLC, Bellevue, WA (United States); Pacific Northwest National Laboratory (PNNL), Richland, WA (United States)
  3. AVANTech, Inc., Knoxville, TN (United States)
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In this project, an engineered form of a Metal-Organic Framework (MOF) based material is developed for the removal of perfluorooctane sulfonate (PFOS) for real-world applications. The powdered MOF material has been demonstrated at the Pacific Northwest National Laboratory (PNNL) to selectively capture PFOS from distilled (DI) water with a large performance advantage over granulated activated carbon (GAC). In this project, the powdered material was transformed into an engineered form (using a polymer) to demonstrate PFOS adsorption capacity in tap water. PNNL developed and processed the MOF material in the engineering form (granules). After thorough characterization and stability testing, these engineered MOF granules were provided to an industrial collaborator, AVANTech, LLC, for testing and demonstration of continuous, long-term PFOS removal from tap water. The preliminary results showed PFOS sorption capacities at parts per billion (ppb) concentrations in tap water under a flow system. Also provided insight into sorbent-based material utilization in a continuous flow system. Further studies are required to optimize and understand sorption in such industrial-scale applications.
Research Organization:
Pacific Northwest National Laboratory (PNNL), Richland, WA (United States)
Sponsoring Organization:
USDOE Laboratory Directed Research and Development (LDRD) Program
DOE Contract Number:
AC05-76RL01830
OSTI ID:
1984699
Report Number(s):
PNNL--33928
Country of Publication:
United States
Language:
English

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36 MATERIALS SCIENCE