This bundle includes all the pieces needed to carry out a radical disinfection of your cooling tower.
Preliminary Disinfection
The chlorine levels confer with the minimum steady reserve that must be maintained throughout the disinfection time (i.e. after the fans have been switched back on). Chlorine will probably be misplaced continually throughout this time period, so the initial chlorine level should exceed the specified steady chlorine stage, as reflected in the recommended initial dosage rates.
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As soon as the circulation interval is full the chlorine residual ought to be neutralised by including 11ml ofDECHLORper ppm (mg/l) of chlorine per m3 of system content material and circulated until the chlorine has been neutralised. The system should be then drained to sewer.
The system can now be physically cleaned to remove all sludge and deposits.
Remaining DISINFECTION
After the bodily cleansing course of, the system should be disinfected again as instructed above. Again, the chlorine level ought to be tested every 15 minutes and boosted as required to stop it dropping beneath the minimum levels once more for the appropriate contact time.
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If at the top of the final disinfection period the system goes straight back on line and it has a excessive water flip over the chlorine degree will be allowed to decay naturally however, if the system is just not going back onto line right away or the chlorine stage is extreme and / or the system is fitted with a redox probe it should be diminished by the addition of DECHLOR.
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After this procedure steel surfaces should be re-passivated with the appropriate inhibitor by sustaining double the traditional dosage for the first two weeks. You must also reinstate your dosing equipment.
After this procedure steel surfaces should be re-passivated with the appropriate inhibitor by sustaining double the traditional dosage for the first two weeks. You must also reinstate your dosing equipment.
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