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Posted by ron dille on March 01, 2002 at 23:40:01:
In Reply to: Boiler Anti-Foam posted by Wes on February 25, 2002 at 23:48:06:
: Does anybody understand how anti-foam works? Have been using it for a few months about 1 quart per barrel of sulfite.
: I think the active ingredient is polyethylene glycol. Does it change surface tension or is it acting in some other way.
: Before our condensate conductivity often ran over 1000 uS, at times it was the same as boiler water.
: Now condensate runs 20-50 uS.
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