Reverse osmosis

The benchmark technology for high-purity water. Membranes that remove dissolved salts, metals, bacteria and viruses to obtain high-purity water.

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How it works

Dissolved salts
Metals
Bacteria and viruses

Reverse osmosis at Baxter CuencaWater for hemodialysis

What it is and how it works

A high-pressure pump forces water through semipermeable membranes that let water pass and retain most of the dissolved salts, metals, organic matter, bacteria and viruses. The result is two streams: the permeate, which is the purified water, and the reject, which concentrates the contaminants. We design every unit based on the physicochemical analysis of your water, the required flow and the end use.

1High pressureA pump pushes the water against semipermeable membranes.
2The membrane separatesIt lets water through and retains salts, metals, organic matter, bacteria and viruses.
3Two streamsThe permeate comes out purified and the reject carries away the contaminants.

Benefits

Removes up to 99% of dissolved salts.
Stable, predictable water quality.
Removes contaminants that other technologies can’t retain.
The basis for boiler feed, bottling, pharmaceutical and reuse water.
Automatic operation with minimal intervention.

Technical features

Spiral-wound polyamide membranes from recognized brands.
Stainless steel high-pressure pump.
Pretreatment sized to protect the membranes.
Chemical dosing according to the type of process and the required water quality.
Automatic or manual CIP cleaning unit.
Controller with conductivity, pressure and flow measurement.
Designs for well, spring, mains and seawater, and for wastewater reuse.
Flow rates from 0.3 to 1,000 m³/h.

Quick facts

Flow0.3 to 1,000 m³/h

0,11101001000

logarithmic scale, in m³/h