Research Article

Immobilization of Simulated Borate Radioactive Waste Solution in Cement-Poly(methylmethacrylate) Composite: Mechanical and Chemical Characterizations

Table 8

The leach coefficient (Lc) and leach index (Li) of Cs-137 for cement and cement-PMMA composite containing different borate waste percentages immersed in distilled water and ground water.

Borate waste percentageCaesium-137
Cement waste formCement-PMMA composite waste form
LcLiLcLi

0.0 borate using distilled water1.8 × 10−87.85.0 × 10−98.3
4.0 borate using distilled water1.3 × 10−87.95.0 × 10−87.3
6.6 borate using distilled water 2.5 × 10−76.61.2 × 10−76.9

0.0 borate using ground water2.8 × 10−87.67.6 × 10−87.1
4.0 borate using ground water2.2 × 10−87.77.6 × 10−87.7
6.6 borate using ground water2.9 × 10−76.81.5 × 10−77.1