Aluminum removal from washed sludge

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Purpose of this project is to reduce the volume of storage tank sludge to be treated by removing the Al and other nonradioactive components. In initial sludge surrogate studies, Al, Cr, and Zn showed the highest solubility in NaOH solutions; Ce and Zr were the least soluble of the elements tested. Removal of Fe and Bi approached 2%, the rest of the elements studied showed <1% removal. Amount of Al removed increased as the NaOH conc. increased from 0.1 to 6 M. Sequential washing of the sludge surrogate with 3 M NaOH removed 84% of the Al, 39% of the ... continued below

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4 p.

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Egan, B.Z.; Collins, J.L. & Ensor, D.D. December 31, 1995.

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Description

Purpose of this project is to reduce the volume of storage tank sludge to be treated by removing the Al and other nonradioactive components. In initial sludge surrogate studies, Al, Cr, and Zn showed the highest solubility in NaOH solutions; Ce and Zr were the least soluble of the elements tested. Removal of Fe and Bi approached 2%, the rest of the elements studied showed <1% removal. Amount of Al removed increased as the NaOH conc. increased from 0.1 to 6 M. Sequential washing of the sludge surrogate with 3 M NaOH removed 84% of the Al, 39% of the Cr, and 65% of the Zn. Surrogate sludges containing U and Th were also studied.

Physical Description

4 p.

Notes

INIS; OSTI as DE96008642

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  • Efficient Separations and Processing Integrated Program (ESPIP) technical integration and exchange (TIE) meeting, Gaithersburg, MD (United States), 24-26 Jan 1995

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  • Other: DE96008642
  • Report No.: CONF-950171--3
  • Grant Number: AC05-84OR21400
  • Office of Scientific & Technical Information Report Number: 220563
  • Archival Resource Key: ark:/67531/metadc667913

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

Office of Scientific and Technical Information (OSTI) is the Department of Energy (DOE) office that collects, preserves, and disseminates DOE-sponsored research and development (R&D) results that are the outcomes of R&D projects or other funded activities at DOE labs and facilities nationwide and grantees at universities and other institutions.

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  • December 31, 1995

Added to The UNT Digital Library

  • June 29, 2015, 9:42 p.m.

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  • Jan. 15, 2016, 12:42 p.m.

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Egan, B.Z.; Collins, J.L. & Ensor, D.D. Aluminum removal from washed sludge, article, December 31, 1995; Tennessee. (digital.library.unt.edu/ark:/67531/metadc667913/: accessed September 21, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.