Abstract
Summary This paper describes an integrated and compact seawater-injection system built around backwashable cartridge filters and catalytic deoxygenation. Suspended solids are removed by a high-efficiency cartridge filter in which the cartridges are regenerated by a proprietary acid rinse. Dissolved oxygen is removed in a single stage to a level of 20 ppb by use of dissolved hydrogen over a palladium catalyst. A combined-cycle power plant makes the unit self-contained. A unit for treating 150, 000 B/D [23 850 m3/d] of seawater is estimated to weigh 260 metric tons [260 Mg] (operating), or about 35% of a comparable "conventional" system using media filters and vacuum deaeration. Space requirements are reduced proportionally.
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