Aker Process Systems As

Waterise As

Fjords Processing As

Morten Hana

Jo Jernsletten

Tom Gunnar Omberg

Davoud Tayebi

A subsea desalination template includes subsea desalination module zones and module fluid couplings. A desalinated water outlet is in fluid connection with the module fluid coupling in the subsea desalination module zone. Subsea desalination modules with reverse osmosis cartridges are in fluid connection with a subsea template fluid coupling, a seawater inlet section, and a concentrated seawater outlet section. A transport pump assembly for desalinated water in a pump module is in fluid connection with the subsea desalination template and the desalination modules. A seawater circulation pump is in fluid connection with a seawater side of the at least one reverse osmosis cartridge. A desalinated water pipeline conveys fluid from the desalinated water transport pump assembly to a location above sea level.

Modularized subsea seawater desalination system

An electrically energized compact coalescer () comprising an elongated, closed shell () having a fluid inlet () and a fluid outlet (); at least one electrode () mounted in an internal chamber formed in the closed shell and forming at least one narrow gap () between the electrode means and a wall in the closed shell. An external power supply () is electrically connected to the electrode and the energized electrode () is fully encapsulated with insulation to enable an intense electrostatic field to be applied to an electrically conductive emulsion whereby the flow of emulsion through said at least one narrow gap () will be non-laminar. One or more helical vanes () are disposed in the narrow gap at an angle with respect to the electrode longitudinal axis and extending for at least a portion of the length (L) of the electrode, whereby the fluid flowing through said narrow gap will follow a spiraling pattern at least partially around the electrode ().

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Oslo, Norway

Morten Hana