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topic 5680

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
James Totter, CEF
- Tallahassee, Florida



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
Tom Baker
   wastewater treatment specialist
Warminster, Pennsylvania


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

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