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词汇 Pressure Retarded Osmosis
分类 英语词汇 英语翻译词典
释义

Pressure Retarded Osmosis

英语百科

Pressure-retarded osmosis

(重定向自Pressure Retarded Osmosis)
The water potential between fresh water (right) and sea water (left) corresponds to a hydraulic head of 270 metres

Pressure retarded osmosis (PRO) also known as "Cleo Power" is a technique to separate a solvent (for example, fresh water) from a solution that is more concentrated (e.g. sea water) and also pressurized. A semipermeable membrane allows the solvent to pass to the concentrated solution side by osmosis. The technique can be used to generate power from the salinity gradient energy resulting from the difference in the salt concentration between sea and river water. In PRO, the water potential between fresh water and sea water corresponds to a pressure of 26 bars. This pressure is equivalent to a column of water (hydraulic head) 270 meters high. However, the optimal working pressure is only half of this, 11 to 15 bar.

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