Scrubber SO₂/CO₂ Ratio Check

MEPC.340(77) equivalence: SO₂/CO₂ ratio must be ≤ 4.3 for 0.50 % global cap (or ≤ 21.7 for 3.5 % cap) when using an EGCS scrubber instead of compliant fuel.

EmissionsScrubber

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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

\frac{\text{SO}_2 [\text{ppm}] / 10^4}{\text{CO}_2 [\%]} \leq \{4.3 \, (0.50\%), \; 0.86 \, (0.10\%)\}

Symbol	Meaning	Unit
$SO₂$	Sulphur dioxide in dry exhaust	ppm
$CO₂$	Carbon dioxide	% v/v

Source: IMO Resolution MEPC.340(77)

In short

MEPC.

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