Assessment of the KE Basin Sand Filter Inventory In Support of Hazard Categorization

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In 1978, the water cleaning system for the KE Basin was upgraded by adding a sand filter and ion exchange columns. Basin water containing finely divided solids is collected by three surface skimmers and pumped to the sand filter. Filtrate from the sand filter is further treated in the ion exchange modules. The suspended solids accumulate in the sand until the pressure drop across the filter reaches established operating limits, at which time the sand filter is backwashed. The backwash is collected in the NLOP, where the solids are allowed to settle as sludge. Figure 2-1 shows a basic piping ... continued below

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Ross, Steven B. & Young, Jonathan September 28, 2005.

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In 1978, the water cleaning system for the KE Basin was upgraded by adding a sand filter and ion exchange columns. Basin water containing finely divided solids is collected by three surface skimmers and pumped to the sand filter. Filtrate from the sand filter is further treated in the ion exchange modules. The suspended solids accumulate in the sand until the pressure drop across the filter reaches established operating limits, at which time the sand filter is backwashed. The backwash is collected in the NLOP, where the solids are allowed to settle as sludge. Figure 2-1 shows a basic piping and instrumentation diagram depicting the relationship among the basin skimmers, sand filter, and NLOP. During the course of deactivation and decommissioning (D&D) of the K-Basins, the sand filter and its media will need to be dispositioned. The isotopic distribution of the sludge in the sand filter has been estimated in KE Basin Sand Filter Monolith DQO (KBC-24705). This document estimates the sand filter contribution to the KE hazard categorization using the data from the DQO.

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  • Report No.: PNNL-15403
  • Grant Number: AC05-76RL01830
  • DOI: 10.2172/971117 | External Link
  • Office of Scientific & Technical Information Report Number: 971117
  • Archival Resource Key: ark:/67531/metadc932722

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Creation Date

  • September 28, 2005

Added to The UNT Digital Library

  • Nov. 13, 2016, 7:26 p.m.

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  • Dec. 6, 2016, 7:06 p.m.

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Ross, Steven B. & Young, Jonathan. Assessment of the KE Basin Sand Filter Inventory In Support of Hazard Categorization, report, September 28, 2005; Richland, Washington. (digital.library.unt.edu/ark:/67531/metadc932722/: accessed December 13, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.