SolarRO - Model BW 30 -Brackish Water Reverse Osmosis System

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The SolarRO BW 30 is a brackish water reverse osmosis (RO) system from Solar Water Solutions designed for producing clean water using solar power, with a product water flow rate of 1.3 m³/h and a recovery rate of 59% under test conditions (raw water TDS 2000 mg/L, pH 8, 25°C, 13 bar pressure).

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Product water flow rate* : 1.3 m³/h
Product water quality* : TDS < 40 mg/L, pH 6.9
Raw water feed flow rate : 2.2 m³/h
Recovery rate* : 59 %
Minimum salt rejection : 99.5 %
Brine flow rate* : 0.9 m³/h (185 gal/h)
Brine quality* : TDS 5100 mg/L
System pressure : 10–16 bar
High-pressure pump : SS 316L centrifugal multi-stage (5.5 kW)
HPP motor : 2.2 kW
Raw water feed pump** : 2.2 kW, SS 316L
Pressure vessels : 6 x 4040, Composite
RO Membranes : 6 x 4040 BW30HRLE or equivalent
Cartridge pre-filtration : PP 20”, 50, 25, 3 micron
Controller : Variable frequency solar drive 5.5 kW
Specific energy*** : 1.8 kWh/m³
Energy consumption* : 2.4 kWh
DC power supply requirement (solar PV) : 600 – 800 VDC
AC power supply requirement (grid) : 380 – 480 VAC / 50 – 60 Hz
Daily capacity with direct solar power : 10.4 m³ in 8 solar hours/day

Raw water source : Lake / river / brackish borehole
Raw water TDS range : 500 – 6000 mg/L
Raw water temperature range : 5 – 45 °C
Air temperature range : 0 – 45 °C
Raw water feed pressure range : 1 – 5 bar

Patented ANVS® pressure control
Non-corrosive materials: Super Duplex, PVC-U
UV-disinfection
CIP (clean in place) system
Dry run and over-pressure protection
Product water quality indicator (TDS)

Remote Monitoring
Multi-Media filtration
Specific substance removal filtration
Antiscalant dosing
Containerized system (8ft)
Integrated clean water dispensing system
Post-mineralization