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Re: Polymer/Nexguard Nalco

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Posted by Jeff Yob on January 12, 2004 at 06:11:19:

In Reply to: Re: Polymer/Nexguard Nalco posted by Gary on November 26, 2003 at 09:24:43:

I am quite sure the green tint is from copper degragation. Condensate steam treatment is simply a ph adjustment to condensate water. If you are seeing green it meand big money for your mechanical contractor. Seek help ASAP>
: We experienced a similar problem using Nalco's Advanced Condensate Treatment program (ACT)
: it was due to overfeeding of the chemical. It would cause our boilers to foam up and carry over.
: We were finding green gunk in our steam traps and strainers. Also our heating coils were gunking up and freezing. After Many man-hours of blowing down the system and cleaning our traps we got rid of the so-called latest in water treatment miracles. Beware of the latest & Greatest i find if it aint broke dont f%*K with it.

: : We've switched chemical suppliers using a new polymer and trying to maintain between 1285-1434 as recommened by them. What we are experiencing is boilerwater with a green tint and when the steam drum was opened,even the inside had a very slight greenish film. This does not sound normal.
: : Has anyone else ever experienced this? even the meter recommended by them does not read that high so they told us to dilute boiler sample by 50% and multiply results by 2.

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