46
Cleaning of a Membrane Station (2-6 membranes):
Be sure the room in which the cleaning takes place is well ventilated! The pumps are connected to the
integrated control unit as described in Chap. 7.
Inpu
t
24 V
DC
Ø 493
Ø 493
12
60
1
260
Ø 740
Ø 740
DN50
Fig.: Cleaning container AL-CTank 350L for 2-6 membranes station with integrated control unit
11.6.3 Cleaning
solution
We recommend the cleaning solution be made from regular domestic cleaning agents and should be
mixed as follows (example for in-situ cleaning):
1)
Acid cleaning against deposits such as calcium carbonate
Citric acid: target cleaning solution 1% acid:
a.) Available in all drug stores as granulate packets
Dissolve 20 g per cartridge in 2 l warm, clean water (30°C).
b.) Available in all drug stores also as liquid concentrate (e.g with 30% acid portion)
Dilute 69 ml per cartridge in 2 l warm, clean water (30°C) to achieve a cleaning fluid
concentration about 1%!
2)
Alkali cleaning against excessive Biofouling
Chlorine (target cleaning solution 0.25% chlorine):
a.)
Available in all drug stores as domestic cleaner with chlorine base (such as BREF-Henkel,
DanKlorix; with 5% chlorine portion).
Dilute 105 ml per cartridge in 2 l warm, clean water (30°C) to achieve a cleaning fluid
concentration about 0.25%!
b.)
Available in all stores which sell pool accessories concentrate (e.g. with 30% chlorine portion)
Dilute 17 ml per cartridge in 2 l warm, clean water (30°C) to achieve a cleaning fluid
concentration about 0.25%!
