Nuclear Engineering and Technology

  • 제41권8호
  • /
  • Pages.1101-1108
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  • 2009
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  • 1738-5733(pISSN)
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  • 2234-358X(eISSN)
한국원자력학회 (Korean Nuclear Society)
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AN ENGINEERING SCALE STUDY ON RADIATION GRAFTING OF POLYMERIC ADSORBENTS FOR RECOVERY OF HEAVY METAL IONS FROM SEAWATER

  • Prasad, T.L. (Department of Engineering Sciences, Homi Bhabha National Institute Bhabha Atomic Research Centre) ;
  • Saxena, A.K. (Department of Engineering Sciences, Homi Bhabha National Institute Bhabha Atomic Research Centre) ;
  • Tewari, P.K. (Department of Engineering Sciences, Homi Bhabha National Institute Bhabha Atomic Research Centre) ;
  • Sathiyamoorthy, D. (Department of Engineering Sciences, Homi Bhabha National Institute Bhabha Atomic Research Centre)
  • 발행 : 2009.10.31
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초록

The ocean contains around eighty elements of the periodic table and uranium is also one among them, with a uniform concentration of 3.3 ppb and a relative abundance factor of 23. With a large coastline, India has a large stake in exploiting the 4 billion tonnes of uranium locked in seawater. The development of radiation grafting techniques, which are useful in incorporating the required functional groups, has led to more efficient adsorbent preparations in various geometrical configurations. Separation based on a polymeric adsorbent is becoming an increasingly popular technique for the extraction of trace heavy metals from seawater. Radiation grafting has provided definite advantages over chemical grafting. Studies related to thermally bonded non woven porous polypropylene fiber sheet substrate characterization and parameters to incorporate specific groups such as acrylonitrile (AN) into polymer back bones have been investigated. The grafted polyacrylonitrile chains were chemically modified to convert acrylonitrile group into an amidoxime group, a chelating group responsible for heavy metal uptake from seawater/brine. The present work has been undertaken to concentrate heavy metal ions from lean solutions from constant potential sources only. A scheme was designed and developed for investigation of the recovery of heavy metal ions such as uranium and vanadium from seawater.

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참고문헌

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피인용 문헌

  1. Study of uranium adsorption using amidoximated polyacrylonitrile-encapsulated macroporous beads vol.127, pp.1, 2012, https://doi.org/10.1002/app.37684
  2. Nuclear analytical techniques for quantification of uranium for its recovery from seawater vol.294, pp.3, 2012, https://doi.org/10.1007/s10967-012-1843-6
  3. Recovery of Uranium from Seawater: A Review of Current Status and Future Research Needs vol.48, pp.3, 2013, https://doi.org/10.1080/01496395.2012.712599
  4. Characterization of Uranium Uptake Kinetics from Seawater in Batch and Flow-Through Experiments vol.52, pp.27, 2013, https://doi.org/10.1021/ie400587f
  5. Synthesis, Development, and Testing of High-Surface-Area Polymer-Based Adsorbents for the Selective Recovery of Uranium from Seawater vol.55, pp.15, 2016, https://doi.org/10.1021/acs.iecr.5b03981
  6. Use of solid extraction chromatography for determination of uranium in sea water and brine vol.57, pp.55, 2016, https://doi.org/10.1080/19443994.2016.1139104
  7. Efficient Functionalization of Polyethylene Fibers for the Uranium Extraction from Seawater through Atom Transfer Radical Polymerization vol.56, pp.38, 2017, https://doi.org/10.1021/acs.iecr.7b00482