Wastewater Triad Project: Solid-Liquid Separator FY 2000 Deployment

One of 156 reports in the series: Fiscal Year 2000 available on this site.

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Description

The Wastewater Triad Project (WTP) consists of three operational units: the cesium removal (CsR) system, the out-of-tank evaporator (OTE) system, and the solid/liquid separation (SLS) system. These systems were designed to reduce the volume and radioactivity of low-level liquid waste (LLLW) stored in the Melton Valley Storage Tanks (MVSTs) and are operated independently or in series in order to accomplish the treatment goals. Each is a modular, skid-mounted system that is self-contained, individually shielded, and designed to be decontaminated and removed once the project has been completed. The CsR and OTE systems are installed inside Building 7877; the SLS system ... continued below

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43 pages

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Walker, J.F. January 11, 2001.

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  • Main Title: Wastewater Triad Project: Solid-Liquid Separator FY 2000 Deployment
  • Series Title: Fiscal Year 2000

Description

The Wastewater Triad Project (WTP) consists of three operational units: the cesium removal (CsR) system, the out-of-tank evaporator (OTE) system, and the solid/liquid separation (SLS) system. These systems were designed to reduce the volume and radioactivity of low-level liquid waste (LLLW) stored in the Melton Valley Storage Tanks (MVSTs) and are operated independently or in series in order to accomplish the treatment goals. Each is a modular, skid-mounted system that is self-contained, individually shielded, and designed to be decontaminated and removed once the project has been completed. The CsR and OTE systems are installed inside Building 7877; the SLS system is installed adjacent to the east side of the MVST 7830 vault cover. The CsR, which consists of ion-exchange equipment for removing {sup 137}Cs from LLLW, was demonstrated in 1997. During the Cesium Removal Demonstration, 30,853 gal of radioactive supernate was processed and 1142 Ci of {sup 137}Cs was removed from the supernate and loaded onto 70 gal of a crystalline silicotitanate sorbent manufactured by UOP, Inc. The OTE system is a subatmospheric single-stage evaporator system designed to concentrate LLLW to smaller volumes. It was previously demonstrated in 1996 and was operated in 1998 to process about 80,000 gal of LLLW. The SLS system was designed to filter and remove suspended solids from LLLW in order to minimize further accumulation of sludge in new storage tanks or to prevent fouling of CsR and OTE systems. The SLS was installed and demonstrated in 1999; {approximately}45,000 gal of radioactive supernate was processed during the demonstration.

Physical Description

43 pages

Source

  • Other Information: PBD: 11 Jan 2001

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  • Report No.: ORNL/TM-2000/186
  • Grant Number: AC05-96OR22464
  • DOI: 10.2172/777682 | External Link
  • Office of Scientific & Technical Information Report Number: 777682
  • Archival Resource Key: ark:/67531/metadc718317

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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.

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Creation Date

  • January 11, 2001

Added to The UNT Digital Library

  • Sept. 29, 2015, 5:31 a.m.

Description Last Updated

  • Jan. 23, 2017, 1:26 p.m.

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Citations, Rights, Re-Use

Walker, J.F. Wastewater Triad Project: Solid-Liquid Separator FY 2000 Deployment, report, January 11, 2001; Tennessee. (digital.library.unt.edu/ark:/67531/metadc718317/: accessed April 26, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.