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Subsea water treatment installation adapted for treatment of raw seawater to process water and method for scaling prevention in such an installation
Subsea water treatment installation adapted for treatment of raw seawater to process water and method for scaling prevention in such an installation
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机译:适于处理原海水以加工水的海底水处理设备及其中防止结垢的方法
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摘要
A water treatment subsea installation and method are disclosed, adapted for scaling prevention and treatment of raw seawater into process water suitable for use in subsea hydrocarbon production. The water treatment installation comprises a seawater inlet to a primary filtration unit wherein a filtration membrane separates a receiving chamber from a permeate chamber having an outlet for treated water. A pump is installed in fluid flow communication with the treated water outlet, a recirculation loop feeding a portion of the treated water via a subsea electro-chlorinator back to the water stream upstream or downstream of the membrane of the primary filtration unit, and a secondary filtration unit is installed in the treated water stream between the primary filtration unit and the electro-chlorinator.
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