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A desalination plant uses RO modules to desalt brackish water. To minimize the environmental impact of the discharge stream, the plant was designed in two
A desalination plant uses RO modules to desalt brackish water. To minimize the
environmental impact of the discharge stream, the plant was designed in two parallel
stages. The first stage was arranged in forth series modules, and the second stage has
one module.
a Draw the sketch of this plant.
b Determine the desired global recovery ratio RR if the of the stage
was and RR for the stage was
c For a capacity of determine the stage area of the membrane.
d If the same flux RO modules will be given by and stages, determine the
required pressure for the stage.
e Assume the pressure drop in the stage was estimated to bars, give the
power required by the booster pump.
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