Feasibility Study of 1/3 Thorium-Plutonium Mixed Oxide Core

Table 5

The plutonium consumption for UOX, 1/3 Th-MOX, and full Th-MOX core.

	Pu-238	Pu-239	Pu-240	Pu-241	Pu-242	Total Pu
UOX core
BOC (kg)	4.5	273.9	82.0	52.0	14.4	426.8
EOC (kg)	11.2	413.2	141.9	92.2	32.3	690.8
Consumption per cycle (kg)	−6.7	−139.3	−59.9	−40.2	−18.0	−264.1
Consumption per reactor-year (kg)	−6.9	−144.4	−62.1	−41.6	−18.6	−273.8
Relative consumption per year (%)	−153.9	−52.7	−75.7	−80.1	−129.8	−39.6
1/3 Th-MOX core
BOC (kg)	32.7	784.7	428.7	267.6	99.8	1613.6
EOC (kg)	34.8	575.4	409.4	272.2	135.1	1427.0
Consumption per cycle (kg)	−2.1	209.3	19.3	−4.6	−35.3	186.7
Consumption per reactor-year (kg)	−1.7	166.4	15.4	−3.6	−28.0	148.4
Relative consumption per year (%)	−5.2	21.2	3.6	−1.4	−28.1	10.4
Full Th-MOX core
BOC (kg)	165.5	3019.3	1973.7	1216.3	496.2	6871.0
EOC (kg)	165.1	1812.4	1742.3	1106.2	554.7	5380.6
Consumption per cycle (kg)	0.5	1206.9	231.4	110.1	−58.6	1490.3
Consumption per reactor-year (kg)	0.3	862.4	165.3	78.7	−41.8	1064.8
Relative consumption per year (%)	0.2	28.6	8.4	6.5	−8.4	19.8