FUEL SYSTEM / BLEND
Current Blend
B24 (76% VLSFO + 24% UCOME)
FossilBiofuel
Separator / Filter Status
NORMAL — Clean differential
FAME increases solvency — more frequent cleaning
Engine Mode
BIOFUEL BLEND ACTIVE
Engine Load
72.4 %
FUEL SYSTEM SCHEMATIC — BIOFUEL BLEND (MARPOL Annex VI)
FUEL MANAGEMENT / ALERTS
Changeover: drain → flush → fill · FIFO method mandatory
CII RATING / EMISSIONS (MARPOL Annex VI)
Carbon Intensity Indicator
B
A (best)E (worst)
GHG Reduction vs Fossil
-42%
B100 UCOME WtW: -84% vs fossil
Fuel NOx Compliance
B30 — No retesting needed (MEPC 83)
SCENARIO / FUEL QUALITY
NORMAL — B24 OPERATION
UCOME FAME blended with VLSFO. Normal operation. Monitor separator differential and filter cleanliness. FIFO fuel management.
FUEL QUALITY / COMPATIBILITY
Fuel Quality Parameters
FAME Compatibility Warnings
Water Content (FAME absorbs water)
0.05% vol
Max 0.5% — microbial growth risk above 0.2%
FUEL PIPELINES — P&ID
PIPELINE LINEUP
PIPELINE COMPONENTS
BUNKERING MANIFOLD — BIOFUEL SUPPLY CONNECTION
MANIFOLD CONTROLS
BIOFUEL STORAGE TANK — SERVICE & SETTLING TANKS
TANK CONTROLS
TEMPERATURE MONITORING — FUEL HEATING SYSTEM
TEMPERATURE CONTROLS
HEATING SETPOINTS
Service Tank85 °C
Settling Tank60 °C
Heater Outlet98 °C
Engine Inlet130 °C
FAME POUR POINT ADVISORY
FAME blends have higher cloud / pour points. Maintain fuel temperature well above cloud point to prevent wax formation.
FIXED FUEL DETECTION & ALARM SYSTEM
DETECTOR CONTROLS
FUEL TREATMENT — SEPARATOR / CENTRIFUGE / FILTER
TREATMENT CONTROLS
SEPARATOR STATUS
Separator ARUNNING
Separator BSTANDBY
Diff. Pressure0.15 bar
Throughput1.8 m³/h
FILTER STATUS
Primary FilterCLEAN
Secondary FilterCLEAN
Filter dP0.05 bar
FAME NOTES
FAME solvency dissolves historic deposits — increased filter blockage on changeover. Monitor closely for first 48 h.
BIOFUEL BLENDING — RATIO CONTROL & METERING
BLEND CONTROLS
BLEND RATIO
Target BlendB24
Actual BlendB24.1
Bio Flow Rate0.43 m³/h
Fossil Flow Rate1.37 m³/h
BLEND TARGET
CHANGEOVER
ENGINE FUEL INTERFACE — BIOFUEL SUPPLY TO M/E & A/E
ENGINE CONTROLS
MAIN ENGINE
Fuel ModeBIOFUEL BLEND
Engine Load72.4 %
Fuel Inlet Temp130 °C
Fuel Pressure8.2 bar
AUXILIARY ENGINES
AE-1RUNNING
AE-2STANDBY
AE-3STANDBY
NOx COMPLIANCE
B30 blend — no NOx retesting required per MEPC 83 guidance (April 2025).
SHORE / SUPPLY PIPELINES — BIOFUEL TRANSFER
SHORE PIPELINE CONTROLS
SHORE BIOFUEL STORAGE TANK — ISCC CERTIFIED STOCK
SHORE EQUIPMENT — PUMPS, METERS & HOSES
EQUIPMENT CONTROLS

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