Is the flow rate continuous ...

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Is the flow rate continuous at 0.04 cm/hr?  If so you are likely to have poor distribution in the mineral bed.  Based on the volume of resin you mentioned a more typical flow rate would be about 10X (5 LPM).  I would try a small recirculating pump to recirculate 5 LPM from the MB outlet to the cation inlet.

 

That might also improve the water quality.  40 ppm from this system is about 10X what I would expect from this system.

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Hi dear Mr.Averbeck.

The problem was solved with increasing the flow rate, the amount of water with less than one micro simence conductivity was 7.5 m3 totall and now it needs to be regen. I am changing the design for the recycling system advice.

Thanks again for your time and consideration.

Published by alireza Reyhan, Eng

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