Cement-Based Composition for the Embedding of a Boron-Containing Aqueous Solution, Embedding Process and Cement Grout Composition
AssigneeCommissariat a l'Energie Atomique
InventorsCeline Cau Dit Coumes, Didier Maurel, Maud Codina
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Abstract
Cement-based composition for the embedding of a boron-containing aqueous solution, said composition being composed of a sulphoaluminate cement optionally comprising gypsum, and of a sand. Process for embedding, by cementation, of a boron-containing aqueous solution in which said aqueous solution is kneaded, mixed with said cement-based composition. Cement grout composition thus obtained.
Claims26
1-25. (canceled)
A process for embedding, by cementation, a boron-containing aqueous solution, comprising:
- kneading the boron-containing aqueous solution with a cement-based composition comprising a sulphoaluminate cement, sand, and optionally gypsum,
- wherein, per one hundred parts of cement by weight, the proportion of boron-containing aqueous solution is from 60 to 70 parts, and the proportion of sand is from 50 to 125 parts, and wherein the aqueous solution comprises from 10 to 50 g/l of boron.
A cement grout composition for the embedding of a boron-containing aqueous solution, comprising:
- a cement-based composition comprising a sulphoaluminate cement, sand, and optionally gypsum;
- and
- a boron-containing aqueous solution,
- wherein per one hundred parts of cement by weight, the proportion of boron-containing aqueous solution is from 60 to 70 parts, and the proportion of sand is from 50 to 125 parts and wherein the aqueous solution comprises from 10 to 50 g/l of boron.
Dependencies are inferred from the claim text.