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Controlling bacteria in e-coat post rinse stages

I am looking for any information regarding bacteria control in e-coat systems. I am more concerned with the post rinse stages (2 permeate, 2 DI) than the e-coat bath itself. If anyone has any information including any websites, resources, or other sources, I would very much appreciate it.

Thank you.

Greg Eccleston
- findlay, Ohio , usa
2000

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You can use UV to get rid of the bacteria. There are also some additives for this application, ask your paint supplier about them.

Sara Michaeli
Tel-Aviv-Yafo, Israel
2000

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We have used bactericide along with a biosurfactant mixed with acid to help strip off old layers of bacteria. We run routine Bioscans to track growth.We add the bactericide in trace amounts during the week to control regrowth.

Matt Hartl
- Bismarck ND
2002

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I have had some success in draining the water rinses, and allowing them to dry out on the weekends (assuming that you are down for at least 2 days). This slows down the growth without biocide usage.

Ed Rimeikis
- London, Ontario, Canada
December 10, 2008