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Stainless steel, chlorine dioxide & low pH

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dunn782

Mechanical
Joined
Apr 9, 2003
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US
I have an application for a livestock water systems that has several water treatments added. One of the additives is anthium dioxcide and the other is sodium bisulfate. The sodium bisulfate is a dry acid added to lower the pH to 3-4 range for a variety of reasons. The anthium dioxcide will form chlorine dioxide in the system and is used for sanitation. The problem is there are components in the system that are 300 series SS and there are signs of pitting and/or discoloration. The sodium bisulfate at that level alone doesn't seem to create the same problem with a lab test. Could the chlorine dioxide present in the low pH be creating the problem? This occurs in only a few day exposure.
 
Just about guaranteed to do the job. You have all the ingredients to do a number on 304 SS.

Can you comeback with some levels of the chloride and sulfate ions? There are several questions and this might help to better understand your problem and recommend a possible solution.
 
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