Membrane Fouling
- Corrective Actions
By: Gil K. Dhawan Ph.D. P.E.,
Applied Membranes, Inc.
1. Check and Fix the Pre-Treatment
Membrane fouling can result from a number of pretreatment deficiencies
or equipment failure. Some common examples of these are given below.
Check and fix these items as appropriate.
- Carbon Fines
- Water Hardness
- Pre-Filter Breakdown
|
- Pre-Filter Too Coarse
- Pump Impeller Sheds Fines
- Chlorine Break Through
|
2. Change the Operating
Conditions
Fouling can also be caused by improper system design and maintenance.
The fouling can be minimized by implementing one or more of the below
steps.
- Reduce Recovery
- Reduce Operating Pressure
- Change Filters More Frequently
- Sanitize the System Regularly
|
