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Sound technical content, curated with aloha by
Ted Mooney, P.E. RET
Pine Beach, NJ

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Rinses and water usage

I need some information about rinsing. We are currently trying to cut our water usage. Our old system had two rinses where when the final rinse got to a certain TDS it automatically flushed into the initial rinse. Now we are using no water during production and changing the rinses every weekend. I like the previous way we did things, but I need some good technical reasons why I want to change it back. (for instance; our soap rinses are getting a lot of foam on top and that is being dragged into the next bath.) I even thought about spray rinses on top of each tank.

Please help.

Thank you,

Randy Mattson
- Seattle, Washington

The tanks are 640 gallons and we change them when the TDS gets to the upper limits.

Randy Mattson
- Seattle, Washington

Processes, including rinses, should be run at equilibrium rather than being allowed to vary from 0 to the upper control limit.

Ted Mooney, P.E.
Striving to live Aloha
finishing.com - Pine Beach, New Jersey

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