Page 18 of 110 Pages
Although the RO cannot normally attain the degree of purity
possible with the DI methods, it is more than adequate for the
feed water intended for clean-steam generators.
Moreover the RO has several advantages:
1. RO is cheaper to install and to run than DI.
2. RO removes particulate matter, organic molecules and
pyrogens that DI cannot remove
3. RO water is less corrosive to steel and copper than DI
water.
4. RO maintenance requirements are less demanding than
those of the DI units.
Therefore the use of mineral free water will contribute to better
performance and longer life of the autoclave.
3.12 Symbol Description
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