Tag Archive | "filter cleaning"

RO Membrane Cleaning Best Practices

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…

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Remove Biofouling from Ultrafilters

Remove Biofouling from Ultrafilters

Q. We are a waste treatment plant with an in-house ultrafiltration system. We keep experiencing rapid fouling of our filters causing an excessive need to take the system out of service for cleaning. We suspect that microbes are growing inside the system and rapidly clogging the pores of the filter. We have tried hot NaOH flushes and we see little to no improvement on the filter permeability and very poor permeability recovery.

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Cleaning Beer Filters

Q. We’re looking for a beer filtration system cleaner that will effectively clean our fouled filters.  What do you recommend? A. In breweries, filters are used to control and improve flavor and clarity of beer. Filtering removes beta-glucan, yeast, tannins and some large proteins from the beer that contribute both to off flavors and haze.  These […]

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