Morning all,

 

I have a question about the resin beads inside a mixed bed deionizing tank.
I know they're called cation and anion resin beads, but I don't know much
about the physical properties of them.

 

We have a carbon bed tank and a hot mixed bed tank to deionize the water for
our inline cleaner. I run the wash tank at 130 F., but I know the water will
cool a little before it gets to the mixed bed. We were asked when we first
had the DI system installed what temperature we would be running our wash
at, and we told them 130 F., they said that we would need a hot mixed bed. 

 

Okay, so we need a hot mixed bed, but what is the real difference in the
resin beads between a standard mixed bed and a "hot" mixed bed?

 

What happens when you run 130 F. water through a mixed bed that doesn't have
"hot" resin beads? Do they swell up, or break down? Or is it that just the
quality of the DI water will be affected?

 

Steve

 



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