RO System Recovery
The fraction of the RO feed flow that is recovered as permeate. Recovery is the primary control on concentrate flow, applied membrane concentration, and scaling risk, and is bounded by feed chemistry and membrane configuration.
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RO Recovery Calculator
RO recovery and permeate flow with full water and salt balance closure, concentrate concentration and salt loads.
Recovery (%) = (Permeate Flow / Feed Flow) × 100 RO Concentrate Flow Calculator
Brine/reject flow with water and salt balance closure, concentrate TDS, concentration factor and salt loads.
Qc = Qf - Qp = Qf × (1 - Y / 100) RO Design Studio
Build a preliminary RO system design with feed inputs, staging, custom membrane data, sequential element estimates, balances, and warnings.
Q = A × S × (ΔP − Δπ) RO Mass Balance Calculator
Simplified TDS-based dissolved-solids balance for RO feed, permeate, and concentrate flow and quality checks.
Qf · Cf = Qp · Cp + Qc · Cc Related Equipment
RO Membranes
Semi-permeable membrane elements used in reverse osmosis systems to reject dissolved salts and other constituents under applied feed pressure. Performance is described by the manufacturer (flow, rejection, pressure limits) rather than by third-party ratings.
View equipment profilePressure Vessels
Sealed cylindrical housings that hold one or more spiral-wound RO membrane elements in series and withstand the system operating pressure.
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Neutral references for engineering context. Product and performance claims are the manufacturers' own published data, not EngiMetric conclusions.