Incorporation of radioactive wastes into styrenated polyester

Ikladious, N. E.; Ghattas, N. K.; Eskander, S.B.

doi:10.1016/0191-815x(86)90047-1

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1989

1994

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Cited by 5 publications

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“…Instead of allowing the formation of two separate fragments, tho Nilsson model allows the fissioning nucleus to approach only long strotched shapes for tho cquipotciitial surface without fragmentation. Tho inability of Nilsson model to account for tho fission process led to tho development of an asymptotically correct shell model [0,7]. This model is known as tho two center shell model which 1 is based on the double center oscillator model [8].…”

Section: Introductionmentioning

confidence: 99%

Radioactive Waste from Nuclear Power Plants Part II. Thermal Properties of Waste/Polymer Products

Ghattas

Ikladious

Shatta

1989

Isotopenpraxis Isotopes in Environmental and Health Studies

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Section: Introductionmentioning

confidence: 99%

Radioactive Waste from Nuclear Power Plants Part II. Thermal Properties of Waste/Polymer Products

Ghattas

Ikladious

Shatta

1989

Isotopenpraxis Isotopes in Environmental and Health Studies

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Immobilization of spent ion‐exchange resins in the urea‐formaldehyde matrix

Rao

Kothandaraman

Sudhakar

et al. 1994

J of Applied Polymer Sci

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SYNOPSISStudies have been carried out on the immobilization of spent ion-exchange resins produced in nuclear power plants in urea-formaldehyde matrix. The matrices were prepared by incorporating different types of ion-exchange resins in the pH range of 4.5 to 5.0, using boric acid as a catalyst. Characterization of the matrices was carried out with respect to dimensional changes, compressive strength, and leach resistance. The cumulative percentage weight loss and volume change were observed to decrease with the increase in boric acid concentration before attaining a plateau. The diffusion coefficients were in the order of M*/s, and the compressive strengths were in the range of 0.83 to 12 MPa. Infrared spectral studies on the urea-formaldehyde matrices revealed that the rate and the extent of cure depended on the type of resin.

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