HomeCalculatorsEngine Sludge - Generation Rate

Engine Sludge - Generation Rate

Engine-sludge generation rate from fuel oil + separator - basis for sludge tank sizing.

SludgeEngineGeneration
Sludge / day
0.45t/day
Formula, assumptions, and limits

Factor HFO 1.5 %, VLSFO 1.0 %, MDO 0.5 %. Actual depends on separator efficiency, fuel quality. Sludge → incinerator or shore reception.

Symbol legend

SymbolMeaningUnitSource
Fuel-type sludge factor - MARPOL Reg.12