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Alkaline Cleaner Recycling/Ceramic Membranes

I'm working on a project to verify the benefits of metal finishing pollution prevention technologies, and I need some feedback on the expected life of ceramic crossflow membranes used with backpulse in recycling alkaline cleaner baths. The membrane manufacturers claim 10+ years, but have no trustworthy data in hand.

James Totter, CEF
- Tallahassee, Florida
2000

Jim,

I would suggest that you contact Tom Weaver from DTW Systems. Tom has the original patents on the use of ceramic on alkaline cleaners, and has probably forgotten more than the current vendors ever knew, past & present.

Tom Baker
wastewater treatment specialist - Warminster, Pennsylvania
2000

For alkaline cleaner bath's you might consider using polypropylene membranes. They're cheaper and last longer in an alkaline environment.

Ruud Gerritsen
- Simpelveld, Netherlands
2000

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