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Unformatted text preview: Hence Ion Exchange load for designing a softener is 56. These calculations are based on Ion Exchange resin and will varry from manufacturer to manufacturer resin. Step 2 To select vessel model for a selected resin quantity, approx. flow rates based on linear velocity min = 8 m3/m2/hr and max = 25 m3/m2/hr, and freeboard 5100 %, refer Table 2 Important points on Softener Linear velocity should not be less than 8m3/m2/hr and should not be more than 25m3/m2/hr. Regeneration level, hardness leakage desired and correction factors can be found from resin supplier graph Tables for all these are shown but the actual resin supplier graph should be used. These tables can be used for first calculation....
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 Spring '11
 Joby

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