Tmp is used for MBR where ...
Published by Mohammad Akmal kazmi, Shift head for waste water Reclamation plant at Suido kiko Middle East
Tmp is used for MBR where the suction pressure will be noted at time of Pump's running and stopping. The difference of both is TMP.
The problem you are telling is increse of feed pressure.
For membrane we know 2 type of fouling 1_ bio fouling or colloidal foul.
Make cip by caustic soda and increse time of soaking. And after caustic soda make cip by Hcl and keep its pH 2.4