Note: The Concentrate pH should
match closely to the Feed water pH
supply.
15. Adjust the RO Concentrate control
valve to bring operating pressure
and flows within design projections
for the system. Sample the Feed
water and Permeate TDS to
determine % Rejection. If RO
membrane(s) are still not producing
proper flow and % Rejection – repeat
the above procedures.
Note: If the RO membrane(s) are
producing proper flow and %
Rejection, the Recycle valve (if so
equipped) may be opened to
increase % Recovery.
EPRO 150-8000 O&M MANUAL Rev.04/03 Page 32 of 55
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