3,000 LPH Industrial Brackish Water Reverse Osmosis System for Salt Removal & Desalination

The FGW-BWRO-3000 is a skid-mounted brackish water reverse osmosis (BWRO) system engineered to turn high-TDS groundwater and municipal or industrial feed into consistent, low-salt process and product water. Rated at 3.0 CMH (3,000 L/h, approx. 72 m³/day) of permeate, it removes dissolved salts, hardness, nitrates and total impurities with a proven 97-99% salt-rejection rate on feed water up to 5,000 ppm TDS. Four 4040 brackish-water composite elements paired with a stainless-steel vertical multistage high-pressure pump deliver stable output at 70-75% recovery, while online permeate EC monitoring and PLC-based automatic control hold product quality steady through every duty cycle - reducing the manual intervention, over-design and membrane damage that inflate operating cost on smaller, loosely integrated RO packages.

Technical Highlights

· Right-sized capacity - Steady 3,000 L/h (3.0 CMH) permeate for continuous industrial duty.

· Proven desalination - 4040 BWRO elements reach 97-99% salt rejection on feed water up to 5,000 ppm TDS.

· High recovery - 70-75% recovery cuts water waste and concentrate disposal versus low-efficiency systems.

· Reliable hydraulics - Stainless-steel vertical multistage high-pressure pump for stable, low-maintenance pressure.

· Quality visibility - Online permeate EC monitoring plus PLC automatic start/stop and protective interlocks.

· Robust pre-treatment - Integrated multimedia, activated-carbon, softener and precision pre-treatment protects membranes.

· Plug-and-skid - Compact 1,390 × 1,830 × 1,930 mm skid, 110/220/380 V supply, engineered for fast commissioning.

Where It Is Used

This BWRO platform suits any operation where brackish groundwater, well water or municipal supply must be softened of salts before use.

· Boiler-feed, cooling-tower make-up and process water for food, beverage and light manufacturing

· Groundwater and borehole desalination for municipal, commercial and agricultural water supply

· Pre-treatment ahead of EDI or mixed-bed ultrapure systems and DI skids

· Potable water polishing for resorts, campuses, remote sites and bottled-water lines

· Rinse and ingredient water for beverage, dairy, pharmaceutical and cosmetics production

Feed Water Quality Requirements

The FGW-BWRO-3000 is scoped for brackish water. Staying within the limits below protects membrane life and guarantees the stated performance.

Key Specifications

Production Capacity Options

The FGW-BWRO line scales on the same proven membrane and control platform. Select a single skid or pair trains for higher duty.

Higher capacities are configured with additional RO trains or fully custom skids based on flow analysis.

System Configuration & Control

Skid & Process Assembly

· Pressure vessels, 4040 elements and stainless-steel vertical multistage pump on a single integrated skid.

· Core components: pressure vessels, high-pressure pump, motor, bearings and gearbox for continuous service.

· Compact footprint 1,390 × 1,830 × 1,930 mm and 530 kg weight simplify transport, rigging and site installation.

· Manual control valves at key process points allow isolation, flow regulation and safe maintenance.

Multi-Stage Pre-Treatment Train

Feed water is conditioned through the full process train before reaching the RO stack, extending membrane life and stabilising output:

· 1. Raw Water Pump — Draws and lifts feed supply into the train.

· 2. Multimedia Filter — Removes suspended solids and turbidity.

· 3. Activated Carbon Filter — Adsorbs chlorine, organics and odours.

· 4. Water Softener — Cation exchange reduces hardness and scaling risk.

· 5. Dosing System — Anti-scalant / pH dosing protects membranes.

· 6. Precision Filter — 5-10 µm PP melt-blown cartridge as final barrier.

· 7. High-Pressure Pump — Vertical multistage pump drives the RO stack.

· 8. RO Membrane — 4× 4040 brackish-water elements do the desalination.

· 9. UV Sterilizer — Inactivates micro-organisms in permeate.

· 10. Pure Water Tank — Stores product water for distribution.

· 11. CIP System — Clean-in-place for periodic membrane maintenance.

Control Panel & Automation

· PLC is the control 'brain', executing automatic start/stop, sequencing and safety logic.

· Electrical cabinet houses circuit breakers, relays and the PLC in a single enclosure.

· Online permeate EC monitor provides real-time conductivity for consistent product quality.

· Touchscreen HMI with START/STOP control, temperature and voltage readout, and low/high-pressure and level interlocks.

· Configured for 110 V, 220 V or 380 V supply and 2-5 kW power to match site electricals.

Process Stream Legend

Buyer & Engineer FAQ

What feed water can the FGW-BWRO-3000 treat?

Brackish water with TDS up to 5,000 ppm, temperature 5-35 °C and pH 6.5-8.5. It is scoped for brackish groundwater, not seawater; for seawater use the FGW-SWRO platform.

What output and product quality can I expect?

A stable 3.0 CMH (3,000 L/h, ~72 m³/day) of permeate at 97-99% salt rejection and 70-75% recovery. Permeate TDS depends on feed TDS and membrane condition.

Why 70-75% recovery, and can I change it?

The range balances water utilisation against scale risk on the last membrane. Set-point is adjustable on the control panel within the design envelope for your water analysis.

What pre-treatment is included?

Multimedia filter, activated-carbon filter, water softener, dosing system and a 5-10 µm precision cartridge protect the RO stack; UV sterilization polishes the permeate.

Which electrical configuration is supplied?

The skid is built for 110 V, 220 V or 380 V supply at 2-5 kW. Confirm site voltage and frequency at order so the panel and pump are matched.

How much space does it need and how is it shipped?

A single integrated skid measuring 1,390 × 1,830 × 1,930 mm and 530 kg; it is shipped and installed as one assembled unit with minimal site piping.

What documentation and warranty come with the system?

One-year warranty, factory test and inspection records, operating/maintenance manuals and drawings; pre-sales flow analysis and commissioning support are available on request.

Request a Quotation

Send us your feed-water analysis, target permeate flow and site voltage/power, and our engineers will size the correct FGW-BWRO skid, confirm recovery and salt-rejection figures against your water, and return a complete quotation with P&ID, equipment list and lead time.

Contact FG Water — fgwater.com  |  Model: FGW-BWRO-3000