SOx Scrubber - NaOH Dosing Rate

NaOH consumption rate for a closed-loop EGCS - dependent on fuel sulphur mass flow and stoichiometry.

EGCSScrubberMARPOL VI

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This calculator requires JavaScript to compute its result. The formula, symbols, and regulatory sources are shown in the Formula section below.

Formula, assumptions, and limits

\dot m_{NaOH} = 2 \cdot \dot m_S \cdot \eta \cdot \frac{M_{NaOH}}{M_S}

Symbol	Meaning	Unit
$\dot m_S$	Sulphur mass flow	t/day
$\eta$	SO₂ removal efficiency

Source: MEPC.184(59) EGCS Guidelines

NaOH consumption rate for a closed-loop EGCS - dependent on fuel sulphur mass flow and stoichiometry.