1
Formation
of
makes qool
highly radioactive
"i
Possibility of sodium-water reaction present
b
Heating facildties are necessary on cinmlating system and storage tank$ t o keep sodimn I n a liquid phase Stainless steel piping
onents are reguired
L
Low pressure piping and ccxnponents pennisslble Eo induced activlty in p i p a and ccrmponents Purmps asd heat exchangers can be designed t o be removed without cutting pipes
or draining system Sodium is non-corrosive in the absence of oxygen 'i-
BSID !VE'S
Stainless steel piping and canponents reqpired Expensive and cmglex fuel handling system required Frequent down time f o r refueling Possibility of sodium-water reaction present Heating faclli4ks necessary t o keep sodium in ltquid phase Coolant-becosnes,radioactive due t o formation of Na24 under irradiation
ntinuous atel processing should reduc I
time
sence of control rods ellminateeo I&@ associated maintenance requirements
c
0
Induced activity in a l l h e t
solution
Stainless steels required throughout system High pressure piping and components required
Circulating fuel solution is both corrosive eurd radioactive
UWCLASSIFIED