Axeon R2-Series Manuel d'utilisateur télécharger pdf (Page 28)

R2-Series User’s Manual 11/13/12

MKTF - 212

ABNORMAL PERMEATE FLOW

As time progresses, the efficiency of the membrane will be reduced. In general, the salt rejection does not

change significantly until two or three years after installation when operated on properly pretreated feed

water. The permeate flow rate will begin to decline slightly after one year of operation, but can be

extended with diligent flushing and cleaning of the system. A high pH and/or precipitation of hardness

can cause premature loss in rejection.

Permeate flow should be within 20% of the rated production, after correcting the feed water temperatures

above or below 77°F. Check your permeate flow meter to determine the permeate flow rate.

NOTE: TO DETERMINE THE TEMPERATURE CORRECTION FACTOR, LOCATE THE

TEMPERATURE CORRECTION TABLE ON THE FOLLOWING PAGE.

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Axeon R2-Series Manuel d'utilisateur Page 28