ORNL-5388 - the Molten Salt Energy Technologies Web Site

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mE LWR WITH PU~ONIUH TDAMMIIIATION
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6-39
The fraction of the installed nuclear capacity which for this case must be located
in energy centers is shown in Fig. 6.2-26 as a function of time. The maximum is approximately
120 GWe, which is slightly greater than that for the previous case. The amount of nuclear
capacity available for location outside energy centers ranges from approximately 300 GWe in
the year 2000 to approximately 500 GWe in the year 2025. The maximum annual U308 and enrichment
requirements are 65,000 ST/yr and 45 million SWU/yr, respectively. These are quite similar
to the maximum annual requirements for the case of the LWR with classical plutonium recycle
(see Fig. 6.2-13).
The disadvantage of this option is that the energy support ratio decreases continuously
as the end of the U308 supply is approached. Figure 6.2-27 indicates that if a U308
supply of 6.0 million ST below $160/lb were available, the system would continue to grow
5TL - LWR WTH PLUTONIUM
TDAMMUTATION
WLMW ANNULL LE(XIRFJ#€NT: /
IL - LWR ON THE
THROIIAWAY CYCE
YEAR
Fig. 6.2-25. The Effect on the Nuclear
Contribution of "Transmuting" P1 utoni um
Produced in LWRs to 233U (High-Cost U308
Supply) -
IOX
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ie~o iwo na m1o mm l~wl )(YO mo
Fig. 6.2-27. The Effect of U308 Supply
on the Nuclear Contribution of LWRs 5n
System with Plutonium "Transmutation" (Case
5TL).
WAR
USE 5lL - THf LWR WllH PLUTONIUM IRAMMUTATION
YEAR
I I
Fig. 6.2-26. Relative Nuclear Contri-
butions of LWRs Located Inside (Pu/Th) and
Outside (Denatured LWRs) Ener y Centers
(Plutonium "Transmuted" to 23 4 U) (High-Cost
U308 SUPPlY) *
until approximately year 2050, and thus the
high energy support ratio associated with
this option could be maintained much longer.
The maximum annual U308 and enrichment
requirements in this case are 109,000 ST/yr
and 77 million SWU/yr, respectively. Thus,
again we have an option for which the
principal limitation would be the annual
ore and enrichment requirements.
The utilization and movement of fissile
material per GWe of installed capacity for
Case 5TL in the year 2035 are shown in Fig. 6.2-28.
The annual U3O8 consumption is approximately
68 ST U,08/GWe, and the LWR utilizing plutonium
comprises 18% o f the installed capacity. Approximately 260 kg of fissile plutonium per GWe of
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