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Title: Uranium Removal from Seawater by Means of Polyamide 6 Fibers Directly Grafted with Diallyl Oxalate through a Single-Step, Solvent-Free Irradiation Process

Abstract

In order to test the effectiveness of oxalate-based polymeric adsorbents in the recovery of uranium from seawater, diallyl oxalate (DAOx) was grafted onto nylon 6 fabrics by exposing the fabric, immersed in pure liquid DAOx or in a surfactant-stabilized dispersion of DAOx in water, to electron beam or gamma radiation. Following drying and weighing to determine the degree of grafting (DoG), the presence of oxalate in the fabrics was verified using XPS. Zeta potential measurements showed the fabric surfaces to be negatively charged. The fabrics were tested by rotating them for 7 days in a rotary agitator with actual seawater spiked with 0.2 or 1.0 mg∙L-1 uranium. The fraction of uranium in the solution which was removed due to uptake on the fabrics was found to rise with increasing DoG at both uranium concentrations. EDS measurements were used to map the distribution of adsorbed uranium on the polymeric fibers.

Authors:
 [1];  [1];  [2];  [3];  [4];  [4];  [3];  [3];  [5];  [6];  [7];  [1]
  1. Univ. of Maryland, College Park, MD (United States). Dept. of Materials Science and Engineering
  2. Univ. of Maryland, College Park, MD (United States). Dept. of Bioengineering
  3. National Inst. of Standards and Technology (NIST), Gaithersburg, MD (United States)
  4. The Catholic Univ., Washington, DC (United States). Dept. of Chemistry
  5. Univ. of Texas, Austin, TX (United States). Dept. of Nuclear & Radiation Engineering
  6. Univ. of Notre Dame, IN (United States). Dept. of Chemistry
  7. Univ. of Notre Dame, IN (United States). Dept. of Physics
Publication Date:
Research Org.:
Univ. of Maryland, College Park, MD (United States)
Sponsoring Org.:
USDOE Office of Nuclear Energy (NE)
OSTI Identifier:
1467454
Grant/Contract Number:  
NE0000723
Resource Type:
Accepted Manuscript
Journal Name:
Industrial and Engineering Chemistry Research
Additional Journal Information:
Journal Volume: 55; Journal Issue: 15; Journal ID: ISSN 0888-5885
Publisher:
American Chemical Society (ACS)
Country of Publication:
United States
Language:
English
Subject:
11 NUCLEAR FUEL CYCLE AND FUEL MATERIALS; Single-step radiation graft polymerization; uranium extraction; seawater; nylon; acrylated oxalate

Citation Formats

Dietz, Travis C., Tomaszewski, Claire E., Tsinas, Zois, Poster, Dianne, Barkatt, Aaron, Adel-Hadadi, Mohammad, Bateman, Fred B., Cumberland, Lonnie T., Schneider, Erich, Gaskell, Karen, LaVerne, Jay, and Al-Sheikhly, Mohamad. Uranium Removal from Seawater by Means of Polyamide 6 Fibers Directly Grafted with Diallyl Oxalate through a Single-Step, Solvent-Free Irradiation Process. United States: N. p., 2015. Web. doi:10.1021/acs.iecr.5b03401.
Dietz, Travis C., Tomaszewski, Claire E., Tsinas, Zois, Poster, Dianne, Barkatt, Aaron, Adel-Hadadi, Mohammad, Bateman, Fred B., Cumberland, Lonnie T., Schneider, Erich, Gaskell, Karen, LaVerne, Jay, & Al-Sheikhly, Mohamad. Uranium Removal from Seawater by Means of Polyamide 6 Fibers Directly Grafted with Diallyl Oxalate through a Single-Step, Solvent-Free Irradiation Process. United States. https://doi.org/10.1021/acs.iecr.5b03401
Dietz, Travis C., Tomaszewski, Claire E., Tsinas, Zois, Poster, Dianne, Barkatt, Aaron, Adel-Hadadi, Mohammad, Bateman, Fred B., Cumberland, Lonnie T., Schneider, Erich, Gaskell, Karen, LaVerne, Jay, and Al-Sheikhly, Mohamad. Fri . "Uranium Removal from Seawater by Means of Polyamide 6 Fibers Directly Grafted with Diallyl Oxalate through a Single-Step, Solvent-Free Irradiation Process". United States. https://doi.org/10.1021/acs.iecr.5b03401. https://www.osti.gov/servlets/purl/1467454.
@article{osti_1467454,
title = {Uranium Removal from Seawater by Means of Polyamide 6 Fibers Directly Grafted with Diallyl Oxalate through a Single-Step, Solvent-Free Irradiation Process},
author = {Dietz, Travis C. and Tomaszewski, Claire E. and Tsinas, Zois and Poster, Dianne and Barkatt, Aaron and Adel-Hadadi, Mohammad and Bateman, Fred B. and Cumberland, Lonnie T. and Schneider, Erich and Gaskell, Karen and LaVerne, Jay and Al-Sheikhly, Mohamad},
abstractNote = {In order to test the effectiveness of oxalate-based polymeric adsorbents in the recovery of uranium from seawater, diallyl oxalate (DAOx) was grafted onto nylon 6 fabrics by exposing the fabric, immersed in pure liquid DAOx or in a surfactant-stabilized dispersion of DAOx in water, to electron beam or gamma radiation. Following drying and weighing to determine the degree of grafting (DoG), the presence of oxalate in the fabrics was verified using XPS. Zeta potential measurements showed the fabric surfaces to be negatively charged. The fabrics were tested by rotating them for 7 days in a rotary agitator with actual seawater spiked with 0.2 or 1.0 mg∙L-1 uranium. The fraction of uranium in the solution which was removed due to uptake on the fabrics was found to rise with increasing DoG at both uranium concentrations. EDS measurements were used to map the distribution of adsorbed uranium on the polymeric fibers.},
doi = {10.1021/acs.iecr.5b03401},
journal = {Industrial and Engineering Chemistry Research},
number = 15,
volume = 55,
place = {United States},
year = {Fri Dec 04 00:00:00 EST 2015},
month = {Fri Dec 04 00:00:00 EST 2015}
}

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Cited by: 11 works
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