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Commercial and industrial reverse osmosis systemsReverse osmosis systems are available as either "stand alone" or "turnkey" units ranging in fresh water production capacity from 600 GPD to 50,000 GPD and up for bottling, water stores or other commercial or industrial needs where good water purity is required. Commercial and industrial reverse osmosis systems can generally produce water in the 2 to 10 mg/liter, numerically equivalent to parts per million (PPM) TDS range, assuming incoming water TDS are under 1000 mg/liter. Water quality may vary depending on a variety of conditions, mainly membrane condition. Production rates may vary depending on temperature, pressure, membrane condition and other factors such as the amount of water "recycled" within the reverse osmosis system as part of the filtration process. Whether 600 or 50,000 gallons, commercial and industrial reverse osmosis systems must incorporate several stages of preconditioning in order to transform the incoming water into product water which meets various quality requirements. The figure below illustrates these preconditioning stages.
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