Tank closure reducing grout | Zendy

T. Caldwell | Zendy

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Tank closure reducing grout

Author(s) -

T. Caldwell

Publication year - 1997

Publication title -

osti oai (u.s. department of energy office of scientific and technical information)

Language(s) - English

Resource type - Reports

DOI - 10.2172/565416

Subject(s) - grout , savannah river site , radioactive waste , closure (psychology) , plutonium , radionuclide , environmental science , waste management , geotechnical engineering , geology , chemistry , engineering , radiochemistry , physics , quantum mechanics , economics , market economy

A reducing grout has been developed for closing high level waste tanks at the Savannah River Site in Aiken, South Carolina. The grout has a low redox potential, which minimizes the mobility of Sr{sup 90}, the radionuclide with the highest dose potential after closure. The grout also has a high pH which reduces the solubility of the plutonium isotopes. The grout has a high compressive strength and low permeability, which enhances its ability to limit the migration of contaminants after closure. The grout was designed and tested by Construction Technology Laboratories, Inc. Placement methods were developed by the Savannah River Site personnel

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