Design and synthesis of the next generation of crown ethers for waste separations: An inter-laboratory comprehensive proposal. 1998 annual progress report

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'The purpose of this task is to undertake the design, synthesis, and characterization of the next generation of crown ethers for metal-ion separations applicable to USDOE''s environmental needs. Target problems include: Li{sup +} ions leaching from burial sites at the Oak Ridge Y-12 Plant; fission products 90 Sr and {sup 137}Cs contaminating high-level tank wastes at Hanford, INEEL, and Savannah River; and radium in wastes at the Niagara Falls Storage Site. Unfortunately, the technologies needed to address these problems either do not exist or exhibit substantial deficiencies. Separation techniques such as solvent extraction and ion exchange promise to play a ... continued below

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4 pages

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Moyer, B.A.; Hay, B.P.; Dietz, M.L.; Alexandratos, S.D.; Sachleben, R.A. & Chiarizia, R. June 1, 1998.

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Description

'The purpose of this task is to undertake the design, synthesis, and characterization of the next generation of crown ethers for metal-ion separations applicable to USDOE''s environmental needs. Target problems include: Li{sup +} ions leaching from burial sites at the Oak Ridge Y-12 Plant; fission products 90 Sr and {sup 137}Cs contaminating high-level tank wastes at Hanford, INEEL, and Savannah River; and radium in wastes at the Niagara Falls Storage Site. Unfortunately, the technologies needed to address these problems either do not exist or exhibit substantial deficiencies. Separation techniques such as solvent extraction and ion exchange promise to play a strong role, especially as enhanced with highly selective crown ethers and calixarenes. This project is midway through year 2 of a 3-year effort. Below is given a summary of progress in the approximate period September, 1997, to May, 1998, for each of the four co-investigators at Pacific Northwest National Laboratory (PNNL), Argonne National Laboratory (ANL), Oak Ridge National Laboratory (ORNL), and the University of Tennessee (UTK). The overall approach entails utilization of theory and molecular modeling (PNNL), organic synthesis of novel crown compounds (ORNL), solvent extraction studies (ORNL and ANL), and studies of polymer-immobilized crown ethers (UTK).'

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4 pages

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  • Other: DE00013742
  • Report No.: EMSP-55087--98
  • Grant Number: NONE
  • DOI: 10.2172/13742 | External Link
  • Office of Scientific & Technical Information Report Number: 13742
  • Archival Resource Key: ark:/67531/metadc619937

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  • June 1, 1998

Added to The UNT Digital Library

  • June 16, 2015, 7:43 a.m.

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  • June 13, 2016, 4:26 p.m.

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Moyer, B.A.; Hay, B.P.; Dietz, M.L.; Alexandratos, S.D.; Sachleben, R.A. & Chiarizia, R. Design and synthesis of the next generation of crown ethers for waste separations: An inter-laboratory comprehensive proposal. 1998 annual progress report, report, June 1, 1998; Tennessee. (digital.library.unt.edu/ark:/67531/metadc619937/: accessed July 17, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.