Method for incorporating radioactive phosphoric acid solutions i

Compositions – Radioactive compositions

Patent

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252631, G21F 910, G21F 911

Patent

active

044420285

ABSTRACT:
A method for incorporating radioactive phosphoric acid solutions in concrete is described wherein the phosphoric acid is reacted with Ca(OH).sub.2 to form a precipitate of hydroxyapatite and the hydroxyapatite is mixed with portland cement to form concrete.

REFERENCES:
patent: 3330771 (1967-07-01), Komatsu
patent: 3764553 (1973-10-01), Kirby
patent: 4113504 (1978-09-01), Chen
patent: 4122028 (1978-10-01), Iffland
patent: 4330514 (1982-05-01), Nagai
Tallart, D. R., SAND-78-2270C, "Application of Inorganic Sorbent in Actinide Separation Processes," Abstract from Energy Research Abstracts, vol. 4, No. 11, 1979.

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