2011
DOI: 10.2172/1027190
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Data Package for Secondary Waste Form Down-Selection—Cast Stone

Abstract: Executive SummaryThe objective of the data packages being generated for four potential waste forms for solidification/ stabilization of Hanford liquid secondary waste streams is to identify, evaluate, and summarize the existing information. This Cast Stone data package includes information available in the open literature and from data obtained from testing currently underway at Pacific Northwest National Laboratory (PNNL). As used at Hanford, the term Cast Stone describes a "grout"-based waste form made predo… Show more

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Cited by 19 publications
(21 citation statements)
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References 65 publications
(233 reference statements)
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“…The Cast Stone baseline dry blend mix currently used is 8 wt% Portland cement Type I/II, 45% Class F fly ash, and 47% Grade 100 or 120 blast furnace slag. Based on preliminary studies of secondary waste simulants (Sundaram et al 2011;Mattigod et al 2011a), other data reviewed by Serne and Westsik (2011), and the general similarity of liquid secondary wastes to LAW (both are high-sodium, nitrate-dominated caustic brines), Cast Stone may also be a worthy candidate for immobilization of liquid LAWs. Therefore, Cast Stone is also being evaluated as a supplemental immobilization technology to provide the necessary LAW treatment capacity to complete the tank waste cleanup mission in a timely and cost-effective manner.…”
Section: Introductionmentioning
confidence: 99%
“…The Cast Stone baseline dry blend mix currently used is 8 wt% Portland cement Type I/II, 45% Class F fly ash, and 47% Grade 100 or 120 blast furnace slag. Based on preliminary studies of secondary waste simulants (Sundaram et al 2011;Mattigod et al 2011a), other data reviewed by Serne and Westsik (2011), and the general similarity of liquid secondary wastes to LAW (both are high-sodium, nitrate-dominated caustic brines), Cast Stone may also be a worthy candidate for immobilization of liquid LAWs. Therefore, Cast Stone is also being evaluated as a supplemental immobilization technology to provide the necessary LAW treatment capacity to complete the tank waste cleanup mission in a timely and cost-effective manner.…”
Section: Introductionmentioning
confidence: 99%
“…A possible application of the Tc removal ability of Sn-A is in the fabrication of low [26,42] although the short term measurements do not account for any potential long term release of Tc due to exposure to the dissolved oxygen in vadose zone pore water and susceptibility of Tc(IV) species to reoxidation. [43] Therefore an opportunity exists for improved retention of Tc within cementitious waste forms.…”
Section: Discussionmentioning
confidence: 99%
“…The following sections describe the Cast Stone waste form, its container and the production process for preparing the waste form. The Cast Stone data package prepared by Serne and Westsik (2011) provides a detailed compilation of work on the Cast Stone waste form.…”
Section: Cast Stone Descriptionmentioning
confidence: 99%