O&M Manual v.1.42 October 2017
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6.8 Storage of Villagepump and/or UF membrane for a longer term
When you want to the put the Villagepump in storage or do not want to use it for a longer
time, please note the following:
Note: the UF membrane needs to be stored wet at all times.
Note: To avoid biological growth during shutdowns or storage, wet membranes could
be treated with a compatible biocide. The UF membrane is compatible with many
common disinfecting agents or biocidal preservatives.
6.9 Cleaning the UF membrane
You can clean the UF membrane, following the instructions below.
- Dismantle the UF membrane (see par. 7.5).
- Turn off the two gray covers (at top and bottom of the membrane).
- Check if there is sand on the top and bottom of the straws.
- Put the UF membrane (horizontally) in a bin/container with water with dissolved Chloride
Dioxide, Chloride, Sodium Hypochlorite, Sodium Hydroxide or Citric Acid and leave it for 12
hours.
- Remove all the particles at the top and bottom of the straws (with a soft brush) and flush
with clean water.
- If top and bottom are clean, put the covers back to the UF membrane
- Assemble the UF membrane back in the Villagepump (see par 7.5)
