How often do you regenerate your MB DI?
A feed water analysis is handy inorder to analyze your problem. I suspect that your DI is not utilized as it should be, e.g. not regenerated at the correct frequency , when resin is exhausted, a high TDS feed is then sent into the RO. At constant RO...
Purewaterguy,
bimr is right, the DI and RO performs same function, that is removing dissolved solids from your feed water. Placing the DI upstream of the RO will make your DI resin exhaust faster, because you are feeding a higher feed water TDS into your DI and therefore need more regeneration...
It has been said to me that the efficiency of a centrifugal pump is increased if you increase the suction side head available.
I have to pump 1500 GPM water into an RO system requiring @ 850 psi of pressure, pump is operating @ 2,900 RPM and requires @ 20 psi suction head, so I have to...
