ProMinent DULCOMETER PH-501 Assembly And Operating Instructions Manual page 590

Condition
Uneven permeate
and/or MLSS flow
between membrane
tanks
newterra O&M Manual
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Possible Cause
Membrane surface is
fouled
MLSS is too high,
SRT is too low or
insufficient dissolved
oxygen in aerobic
zone
More recent
completion of
maintenance or
recovery cleanings for
one of the membrane
tank
Uneven flow
distribution to each
membrane tank
1291 California Avenue, Brockville, ON K6V 5W3
Potential Remedies
Review recent cleaning records, and initiate
appropriate cleaning procedure
Improve the characteristics of sludge by
adjusting the activated sludge process
operation
Review membrane cleaning records
Confirm proper operation of flow distribution
system (pumps/control valves, etc)
newterra ltd.
(800) 420-4056 / www.newterra.com
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