How do I use the Industrial RO Membrane Recovery & DI Resin Life Solver?

Enter your specific project or financial parameters into the input fields above. The engine recalculates outputs dynamically in real time and updates visual charts and summary metrics.

Can I export and share these results?

Yes, you can generate shareable state links, export clean CSV spreadsheets, or print high-resolution executive reports with a single click.

Is this calculator free to use?

Yes, all calculation engines on ToolsVault are 100% free with no account registration or paywall required.

🔬 Membrane Science & Ion-Exchange Geochemistry

RO Membrane Recovery & DI Resin Life Solver

Size high-pressure commercial RO membranes (99.2% NaCl rejection @ 75% recovery), concentrate brine waste TDS, ion-exchange resin exchange capacity (30,000 grains/cu ft), and Type I 18.2 MΩ·cm ultra-pure water polishers.

⚙️ Raw Water Feed & Membrane Specs

Raw Tap Water TDS (Municipal Feed PPM)

PPM

Membrane Salt Rejection (Thin-Film Composite %)

Permeate Production Flow (Pure Water GPM)

GPM

System Recovery Rate (Target Permeate %)

Mixed-Bed DI Resin Volume (Polishing Tank Cu Ft)

cu ft

📊 Water Quality & Media Life Pro-Forma

RO Permeate TDS Concentration

3.6 PPM TDS (RO Permeate)

Mixed-Bed DI Polishing Life

1,710,000 Gallons (Until Bed Swap)

Ultra-Pure Water Resistivity

18.2 MΩ·cm (Type I Ultra-Pure)

Concentrate Brine Reject TDS

1,789 PPM (Brine Reject)

Raw Feed Pumping Demand

24.0 GPM Raw Feed Flow

Spot-Free Quality Rating	Zero mineral spotting (leaves zero residue on solar glass & vehicle paint)
Brine Waste Ratio	1 Gallon Brine Reject for every 3 Gallons Pure Permeate Produced
UV Disinfection & Sub-Micron Filtration	254nm Ultraviolet sterilizer + 0.2 micron absolute post-filter