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| Ertürk, Emre |
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Johnson, Bradley R.
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (18/18 displayed)
- 2019Solid Secondary Waste Immobilization in Cementitious Waste Forms at the Hanford Site - 19081
- 2014Preliminary Phase Field Computational Model Development
- 2013Sublimation-Condensation of Multiscale Tellurium Structurescitations
- 2009Electromagnetic material changes for remote detection and monitoring: a feasibility study: Progress report
- 2009DC Ionization Conductivity of Amorphous Semiconductors for Radiation Detection Applicationscitations
- 2008ASGRAD FY07 Annual Report
- 2008FY 2008 Infrared Photonics Final Report
- 2007Engineered SMR catalysts based on hydrothermally stable, porous, ceramic supports for microchannel reactorscitations
- 2007FY06 Annual Report: Amorphous Semiconductors for Gamma Radiation Detection (ASGRAD)
- 2007Differential etching of chalcogenides for infrared photonic waveguide structurescitations
- 2006Summary of Chalcogenide Glass Processing: Wet-Etching and Photolithography
- 2006Pressure-temperature dependence of nanowire formation in the arsenic-sulfur system
- 2005Microstructural and Microchemical Characterization of Primary-Side Cracks in an Alloy 600 Nozzle Head Penetration and its Alloy 182 J-Weld from the Davis-Besse Reactor Vessel
- 2005FY 2005 Miniature Spherical Retroreflectors Final Report
- 2005FY 2005 Infrared Photonics Final Report
- 2004Laser Writing in Arsenic Trisulfide Glass
- 2004FY 2004 Infrared Photonics Final Report
- 2004Chalcogenide glasses and structures for quantum sensing
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document
Solid Secondary Waste Immobilization in Cementitious Waste Forms at the Hanford Site - 19081
Abstract
During operations of the Hanford Tank Waste Treatment and Immobilization Plant, solid secondary wastes (SSW) will be generated. These materials include HEPA filters, granular activated carbon (GAC), and silver mordenite (AgM). The planned disposal pathway for SSW is through solidification (blending) or encapsulation in a cementitious waste form and then disposal on site at the Hanford Site's Integrated Disposal Facility. Performance assessment evaluations of SSW forms have been performed; however, limited experimental data on simulated SSW is available as input. This paper will cover efforts to fill this gap in experimental data through testing of simulated SSW materials. Two grout formulations were used in the tests: 1) Hanford grout mix 5, a mix of 25 wt% ordinary Portland cement (OPC) and 75 wt% fly ash (FA); and 2) the Cast Stone dry blend of 47 wt% blast furnace slag, 45 wt% FA, and 8 wt% OPC. The sorption (Kd) of potential contaminants (iodide, iodate, technetium) to the grouts and SSW materials was investigated in simulated grout pore water. Waste forms containing GAC and AgM were prepared using the two grout formulations and characterized using scanning electron microscopy energy dispersive X-ray spectroscopy and X-ray diffraction. Acquiring this information will further support the candidacy of cementitious waste forms to be used for disposal of SSW at Hanford. (authors)