Filter Cleaning

Q: We are cleaning heavy scale compounds of Ca, Mg, carbonates, phosphates and organic matter from reverse osmosis (RO) membranes. Can you tell us some cleaning best practices and recommend a detergent?

A. If the organic matter is significant, a two-step process, cleaning by re-circulation or soaking (re-circulation may be more effective) could be needed. If the organic matter is biologic in nature, we would recommend Tergazyme® Enzyme-Active Powdered Detergent which is both a powerful emulsifier along with protein enzymes. If the organic residue is more of an oily nature…

Q: Is there a benefit to filtering the rinse water or the detergent solution in an ultrasonic system? Is it even advisable? If so, can you recommend a filter size (10 micron) when using Alconox detergent? This is for a new bath setup in a new piece of equipment. 

A: My short answer would be, it cannot hurt but would likely be of limited assistance.

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Q. What kind of cleaning can I expect from Tergazyme when cleaning filters with wine residues? A. We would expect Tergazyme to work very well on biofilms or microbial contamination from filters that had been repeatedly used to filter wine.