Final report on DSA methods for monitoring alumina in aluminum reduction cells with cermet anodes

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The Sensors Development Program was conducted at the Pacific Northwest Laboratory (PNL) for the US Department of Energy, Office of Industrial Processes. The work was performed in conjunction with the Inert Electrodes Program at PNL. The objective of the Sensors Development Program in FY 1990 through FY 1992 was to determine whether methods based on digital signal analysis (DSA) could be used to measure alumina concentration in aluminum reduction cells. Specifically, this work was performed to determine whether useful correlations exist between alumina concentration and various DSA-derived quantification parameters, calculated for current and voltage signals from laboratory and field aluminum ... continued below

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Pages: (59 p)

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Windisch, C.F. Jr. April 1, 1992.

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Description

The Sensors Development Program was conducted at the Pacific Northwest Laboratory (PNL) for the US Department of Energy, Office of Industrial Processes. The work was performed in conjunction with the Inert Electrodes Program at PNL. The objective of the Sensors Development Program in FY 1990 through FY 1992 was to determine whether methods based on digital signal analysis (DSA) could be used to measure alumina concentration in aluminum reduction cells. Specifically, this work was performed to determine whether useful correlations exist between alumina concentration and various DSA-derived quantification parameters, calculated for current and voltage signals from laboratory and field aluminum reduction cells. If appropriate correlations could be found, then the quantification parameters might be used to monitor and, consequently, help control the alumina concentration in commercial reduction cells. The control of alumina concentration is especially important for cermet anodes, which have exhibited instability and excessive wear at alumina concentrations removed from saturation.

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Pages: (59 p)

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OSTI; NTIS; GPO Dep.

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  • Other: DE92013599
  • Report No.: PNL-8076
  • Grant Number: AC06-76RL01830
  • DOI: 10.2172/5531356 | External Link
  • Office of Scientific & Technical Information Report Number: 5531356
  • Archival Resource Key: ark:/67531/metadc1092604

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Creation Date

  • April 1, 1992

Added to The UNT Digital Library

  • Feb. 10, 2018, 10:06 p.m.

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  • April 20, 2018, 12:36 p.m.

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Windisch, C.F. Jr. Final report on DSA methods for monitoring alumina in aluminum reduction cells with cermet anodes, report, April 1, 1992; Richland, Washington. (digital.library.unt.edu/ark:/67531/metadc1092604/: accessed November 20, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.