Fixation of Radioactive Wastes in Concretes and Cementitious Grouts: Fid-Bau Portal

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Fixation of Radioactive Wastes in Concretes and Cementitious Grouts

J. G. Moore / H. E. Devaney / H. W. Godbee / M. T. Morgan / G. C. Rogers

An investigation is in progress to develop concretes to immobilize radioactive wastes; for example, exp 129 I may be isolated from the environment as barium iodate in concrete. Leach studies of various isotopes (I, Cs, Sr, Cm, and Pu) fixed in concrete show that the leach rates are essentially diffusion controlled. Comparison of long-term extrapolated values has indicated that cementitious grouts can have leach rates similar to those obtained from borosilicate glasses. (2 figs., 5 tables). (ERA citation 04:018123)

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Fixation of Radioactive Wastes in Concretes and Cementitious Grouts

J. G. Moore / H. E. Devaney / H. W. Godbee / M. T. Morgan / G. C. Rogers

An investigation is in progress to develop concretes to immobilize radioactive wastes; for example, exp 129 I may be isolated from the environment as barium iodate in concrete. Leach studies of various isotopes (I, Cs, Sr, Cm, and Pu) fixed in concrete show that the leach rates are essentially diffusion controlled. Comparison of long-term extrapolated values has indicated that cementitious grouts can have leach rates similar to those obtained from borosilicate glasses. (2 figs., 5 tables). (ERA citation 04:018123)

Fixation of Radioactive Wastes in Concretes and Cementitious Grouts

J. G. Moore / H. E. Devaney / H. W. Godbee / M. T. Morgan / G. C. Rogers

An investigation is in progress to develop concretes to immobilize radioactive wastes; for example, exp 129 I may be isolated from the environment as barium iodate in concrete. Leach studies of various isotopes (I, Cs, Sr, Cm, and Pu) fixed in concrete show that the leach rates are essentially diffusion controlled. Comparison of long-term extrapolated values has indicated that cementitious grouts can have leach rates similar to those obtained from borosilicate glasses. (2 figs., 5 tables). (ERA citation 04:018123)

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Title:

Fixation of Radioactive Wastes in Concretes and Cementitious Grouts

Contributors:

J. G. Moore (author) / H. E. Devaney (author) / H. W. Godbee (author) / M. T. Morgan (author) / G. C. Rogers (author)

Publication date:

1978

Size:

11 pages

Type of media:

Report

Type of material:

No indication

Language:

English

Keywords:

Radioactive Wastes & Radioactivity , Radioactive waste processing , Barium compounds , Concretes , Hydraulic fracturing , Iodates , Iodine 129 , Leaching , Radioactive waste disposal , Sludges , Solidification , ERDA/052001 , Radioactive isotopes , Iodine , Cesium , Strontium , Curium , Plutonium

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