Caustic Recovery ROI Calculator

Estimate annual savings and payback period for an AR-NF caustic recovery system.

Process Parameters

Caustic Wastewater Volume (m³/day)

NaOH Concentration in Waste Stream (%)

AR-NF Permeate Recovery (%)

NaOH Price (USD/tonne, as 100%)

System Cost Inputs

Estimated System CAPEX (USD)

Membrane Replacement Interval (years)

Number of Elements in System

AR-NF Element Price (USD/element)

Energy Cost (USD/kWh)

System Pump Power (kW)

Estimated Annual ROI Summary

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Annual NaOH Savings (USD)

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Annual OPEX (USD)

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Net Annual Gain (USD)

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CAPEX Payback (years)

Cost Item	Annual Cost
NaOH Recovered (annual)	—
Energy (pump operation)	—
Membrane Replacement	—
Maintenance (~5% CAPEX/yr)	—
Total Annual OPEX	—
Net Annual Gain	—

Estimates only. Actual performance depends on feed water composition, operating conditions, local energy costs, and membrane service life. Request a site-specific engineering proposal from Blue Membrane for validated projections.

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