Reverse osmosis is a technique sometimes employed to extract fresh water from the sea

Reverse osmosis is a technique sometimes employed to extract fresh water from the sea. Knowing that the osmotic pressure of fresh water with respect to sea water is 2.4 MPa, what is the minimum energy necessary to produce 1 cubic meter of fresh water? The price of the equipment is $200/kW and that of electricity is $50/MWh. What is the cost of a cubic meter of fresh water if there is no operating cost and if the cost of the capital is 20% per year? How realistic are your results? Point out reasons for having underestimated the cost.. Knowing that the osmotic pressure of fresh water with respect to sea water is 2.4 MPa, what is the minimum energy necessary to produce 1 cubic meter of fresh water? The price of the equipment is $200/kW and that of electricity is $50/MWh. What is the cost of a cubic meter of fresh water if there is no operating cost and if the cost of the capital is 20% per year? How realistic are your results? Point out reasons for having underestimated the cost.


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