o Residual Origin: D6 is a residual product from crude oil refining, remaining after lighter hydrocarbons (e.g., gasoline, diesel) are extracted.
o High Viscosity: Thick consistency necessitates preheating to 220â??260�°F (104â??127�°C) for handling and combustion.
o Energy Density: High energy content makes it efficient for large-scale power generation and marine propulsion.
2. Primary Applications:
o Power Plants: Used due to cost-effectiveness and high energy output, despite infrastructure requirements.
o Marine Use: Historically common in larger ships (e.g., cargo vessels, tankers) equipped with preheating systems.
o Industrial Generators: Suitable for stationary generators requiring robust fuel handling systems.
3. Handling and Infrastructure:
o Preheating Systems: Essential for storage, transport, and combustion to reduce viscosity and prevent solidification.
o Storage Solutions: Heated tanks and insulated pipelines are required to maintain flowability.
o Combustion Requirements: Advanced atomization techniques ensure efficient mixing with air, minimizing incomplete combustion and pollutants
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Fuel Oil D6, also known as Bunker C or Residual Fuel Oil, is a high-viscosity, heavy fuel oil primarily used in industrial boilers, large ships, and power plants. It is a residual product of crude oil refining, making it a cost-effective yet energy-dense fuel for large-scale energy production.
Key Characteristics: High Energy Content â?? Provides efficient and sustained energy output.
Thick & Viscous â?? Requires preheating before use due to its high viscosity.
Sulfur Content Variability â?? Available in both high-sulfur and low-sulfur grades to meet environmental regulations.
Residual Fuel â?? Contains heavier hydrocarbons, making it less refined but more economical.
Specifications: Appearance: Dark brown to black viscous liquid
Viscosity: Requires heating to 100-150�°C for proper flow
Sulfur Content: Varies by region and regulation (0.5% - 3.5%)
Density: Approx. 0.96 - 1.02 g/cm�³
Flash Point: Above 60�°C
Heating Value: ~39-41 MJ/kg
Applications: Marine Fuel (Bunker Fuel): Used in large vessels and cargo ships.
Power Plants: Commonly burned in steam power plants for electricity generation.
Industrial Boilers & Furnaces: Provides a cost-effective fuel source for large-scale heating.
Storage & Handling: Stored in heated tanks to maintain fluidity. Requires special handling due to high viscosity. Compliance with environmental regulations for sulfur emissions.
