Method of immobilizing weapons plutonium to provide a durable, d

Details Method of immobilizing weapons plutonium to provide a durable, d Method of immobilizing weapons plutonium to provide a durable, d

1995-01-13

1996-08-13

Mai, Ngoclan

Hazardous or toxic waste destruction or containment

Destruction or containment of radioactive waste

By fixation in stable solid media

588 14, 501106, 501152, G21F 900

Patent

active

055457975

ABSTRACT:
A method of atomic scale fixation and immobilization of plutonium to provide a durable waste product. Plutonium is provided in the form of either PuO.sub.2 or Pu(NO.sub.3).sub.4 and is mixed with and SiO.sub.2. The resulting mixture is cold pressed and then heated under pressure to form (Zr,Pu)SiO.sub.4 as the waste product.

REFERENCES:
patent: 3959172 (1976-05-01), Brownell et al.
patent: 4774208 (1988-09-01), Yamanaka et al.
patent: 5032556 (1991-07-01), Mori et al.
Harker, A. B, et al "polyphase ceramic and glass-ceramic forms for immobilizing ICPP High level nuclear waste", Mater. Res. Soc. Symp. Proc., 1984, vol. 26, pp. 513-520.
"The radiation-induced crystalline . . . zircon"; William J. Weber, Robert C. Ewing and Lu-Min Wang; Mar. 1994; pp. 688-698.

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