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ENGLISH
Version 041027
23/28
12.
CHEMICAL CLEANING AGENTS
When using any of the chemicals mentioned, follow accepted safety practice.
When preparing chemical solutions for cleaning, be certain that all chemicals are
dissolved and well mixed before introducing them into the R.O. unit.
During re-circulation, temperatures must not exceed 40
°
C.
All chemicals to be used for cleaning and treatment, must be handled with extreme care.
They cause irritation of skin, eyes, nose and throat. Avoid prolonged or repeated contact
with any part of the body. Do not inhale. Always use with adequate ventilation. In case it
comes in contact with the skin or eyes immediately rinse the affected parts liberally with
water, and in case of the eyes seek medical aid.
The fresh water to be used for the chemical treatment has to be free from chlorine. Normal
tap water has to be de-chlorinated by a carbon filter. Product water from the unit can be
used direct. Use gloves and protection glasses.
MT-10 CHEMICAL CLEANING
Shall be used as a general cleaning procedure when the product flow has decreased with
10-15 % below rated flow or the conductivity has increased to 1200
µ
S/cm.
On units equipped with conductivity control/alarm, the alarm will be released at 1200
µS/cm.
The MT-10 shall also be used as an ”pre-cleaning” before a sterilisation with MT-5
solution is done.
Preparing MT-10
Add one plastic bottle of MT-10 into the 40 litres cleaning tank containing product water.
Mix well.
Re-circulation time MT-10
1 hour.
Best temperature for treatment is 30-35
°
C.
Lowest allowed temperature is 25
°
C.
Highest allowed temperature is 40
°
C.
Flush the unit free from cleaning solution during 15 min. with flush water.
If the unit is intended to be in service you must proceed as described in
”INITIAL START-UP PROCEDURE”.
If the unit is not intended to be in service it must be preserved as
described in ”MT-5 PRESERVATION”.