Long-Term Elevated Temperature Leaching of Solid Waste Forms

Kenna, B.T.; Murphy, K. D.; Levine, H.S.

doi:10.1007/978-1-4615-9107-8_17

Cited by 5 publications

(3 citation statements)

References 1 publication

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“…Similar leaching behavior has been reported by Kenna et al (1979) for longterm Soxhlet testing of two waste giass formulations and a titanate crystalline ceramic. In thes.e experiments, testing was perfor1T1ed continuously over several ·months, with periodic replacement of the lea.ch solut.ion (distilled water).…”

Section: Disclaimersupporting

confidence: 62%

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Stability of ceramic waste forms in potential repository environments: a review

Johnston¹,

Palmer²

1982

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Section: Disclaimersupporting

confidence: 62%

“…As stability data for these waste forms are generally limited, they will not be discussed in this report. Srime long-term leaching data are available for the Sandia titanate ceramic (Kenna et al, 1979) and will be briefly discussed DOE/ET/41900-13 { ESG-DOE_-13364)…”

Section: Disclaimermentioning

confidence: 99%

Stability of ceramic waste forms in potential repository environments: a review

Johnston¹,

Palmer²

1982

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“…The hydrothermal leach resistance of titanate ceramics is better than glass waste forms. (57)(58)(59) The final product has a bulk density of 4.1 to 4.3 g/cm 3 and waste loading of 22 to 25%. Porosity is <1 vol%.…”

Section: Sintered Ceramicmentioning

confidence: 99%

Review of high-level waste form properties. [146 bibliographies]

Rusín¹

1980

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This report is a review of waste form options for the immobilization of high-level-liquid wastes from the nuclear fuel cycle. This review covers the status of international research and development on waste formS as of May 1979. Although the emphasis in this report is on waste form properties, process parameters are discussed where they may affect final waste form properties. A summary table is provided listing properties of various nuclear waste form options. It is concluded that proposed waste forms have properties falling within a relatively narrow range. In regard to crystalline versus glass waste forms, the conclusion is that either glass ~crystalline materials can be shown to have some advantage when a single property is considered; however, at this date no single waste form offers optimum properties over the entire range of characteristics investigated. A long-term effort has been applied to the development of glass and calcine waste forms. Several additional waste forms have enough promise to warrant continued research and development to bring their state of development up to that of glass and calcine. Synthetic minerals, the multi barrier approach with coated particles in a metal matrix, and high pressure-high temperature ceramics offer potential advantages and need further study. Although this report discusses waste form properties, the total waste management system should be considered in the final selection of a waste form option. Canister design, canister materials, overpacks, engineered barriers, and repository characteristics, as well as the waste form, affect the overall performance of a waste management system. These parameters were not considered in this comparison.

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