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AssigneeVereinigte Edelstahlwerke Aktiengesellschaft
InventorsKarl Knotik, Peter Leichter, Heinz Jakusch
Estimating the term…
Solid radioactive or toxic wastes are prepared for long-term storage by adding a hardenable binding agent to a container filled with the waste under a partial vacuum. The improved homogeneity of mixing of the binder and waste is enhanced by removing the partial vacuum prior to the hardening of the binder. The temperature of the container is maintained, during the addition of the binder agent to the waste, at a temperature at least equal to the melting temperature of the binder to assure thorough impregnation of the waste thereby. Preferably, the container supporting the resultant waste-binder matrix is placed in a larger container, and the space between the two containers is filled with bituminous material or concrete to provide added security against water penetration during storage.
A process of preparing loose solid radioactive or toxic wastes for long-term storage, comprising placing the waste in a container, subjecting the container and its waste content to a partial vacuum, while the container and its waste content are under said partial vacuum introducing a flowable, hardenable binding agent into the container so as to thoroughly impregnate the waste, and thereafter hardening the binding agent.
In a method of preparing solid radioactive or toxic waste for long-term storage, the steps of placing the waste in a first container;
Dependencies are inferred from the claim text.