For the successful operation of a reverse osmosis freshwater generator, why is the high-pressure pump required to operate in the 750 to 1200 psig range for a discharge pressure?

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Accepted Answer

To overcome the osmotic pressure generated by the difference in solution concentrations.

Answer

To overcome the pore size of the semi-permeable membrane.

Answer

To successfully force the salt water through the pre-filter (or pre-filters).

Answer

To successfully force the salt water through the chemical pre-treatment device.

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