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RO Membrane Recovery Rate

RO recovery = permeate / feed. Low recovery = less scaling but more energy per m³; high recovery saves water but risks membrane fouling.

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Formula, assumptions, and limits

Recovery=QpermeateQfeed\text{Recovery} = \frac{Q_\text{permeate}}{Q_\text{feed}}
SymbolMeaningUnit
FeedFeedSeawater inm³/h
PermeatePermeateFresh productm³/h

Source: Alfa Laval / Parker-Hannifin Marine RO data