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2012 Ocean Ranger Guidebook Revision 3-7-12 - Alaska ...

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<strong>20<strong>12</strong></strong> <strong>Ocean</strong> <strong>Ranger</strong> <strong>Guidebook</strong> 3-7-<strong>12</strong><br />

Rochem AWT System<br />

Oosterdam<br />

Westerdam<br />

Wastewater Treatment<br />

The ship’s Type II Marine Sanitation Device (MSD) and Wastewater Treatment<br />

Plant is a Rochem Plant. The ROCHEM Plant treats black water and some gray<br />

water (for dilution purposes) in a bioreactor system, membrane ultra-filtration,<br />

and ultraviolet irradiation system.<br />

The Rochem Low Pressure Reversed Osmosis (ROCHEM LPRO <strong>12</strong>0-10) plant<br />

will not be used this season. As a result all untreated gray water will be stored in<br />

the tanks noted on page 2 of this VSSP, and the gray water discharged >4NM<br />

outside of <strong>Alaska</strong> waters.<br />

60

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