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Closed Scrubber - FW Consumption

Closed-loop scrubber fresh-water make-up for NaOH dosing + blowdown - OPEX impact beyond NaOH.

Closed scrubberFresh waterEGCS
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Formula, assumptions, and limits

V˙FW=m˙fuelkbleed\dot V_{FW} = \dot m_{fuel} \cdot k_{bleed}
SymbolMeaningUnit
bleedbleedBleed rate per tonne fuelm³/t

Source: MEPC.340(77)

In short

Closed-loop scrubber fresh-water make-up for NaOH dosing + blowdown - OPEX impact beyond NaOH.

Learn the theory Bunker Quality and ISO 8217 Marine Fuel Standards