
16
Decommissioning
WARNING!
Toxic ClO2 gas can escape
–
Never pour the contents of the chemical drums together.
–
Never place both suction lances together or one after the
other in the same bucket.
WARNING!
Corrosive liquids may escape
Do not inadvertently interchanges the different valves
16.1 For a short period
Press key
[Start/Stop]
key.
ð
‘OFF’
appears.
The power supply to the system control must not be interrupted during this
period.
16.2 Over longer periods
chlorine dioxide (ClO
2
) in an unstable compound, which decomposes over
time.
Therefore the Bello Zon
®
system must be rinsed through with water if it is
to be taken out service for a certain period:
Application
Temperature
Decomposition
time, approx.
Potable water
Water with foodstuff contact
15 °C
2 days
Process water
Washing water
Cooling water
20 °C
10 days
Backwash water
25 °C
2 days
1.
Flush the system with water - see "Operation" "Flushing the
system".
2.
Detoxify the ClO
2
solution from the external storage module using
detoxification agent and pour into the discharge gutter with lots of
water. Flush out the external pre-storage module.
3.
Rinse the external pre-storage module with plenty of water.
Only take the Bello Zon
®
CDLb system out
of service for short periods:
Decommissioning
52