How to Avoid Damaging RO Membranes During Sanitization?
RO membranes are delicate—sanitization requires care to avoid permanent damage. First, check membrane type: thin-film composite (TFC) membranes are sensitive to chlorine, so use hydrogen peroxide or citric acid instead, or neutralize chlorine with sodium bisulfite after cleaning. Cellulose acetate (CA) membranes tolerate chlorine but require thorough rinsing.
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