Residual fuel oil

Residual fuel oil
  A general classification for the heavier oils, known as No. 5 and No. 6 fuel oils, that remain after the distillate fuel oils and lighter hydrocarbons are distilled away in refinery operations. It conforms to ASTM Specifications D 396 and D 975and Federal Specification VV-F-815C. No. 5, a residual fuel oil of medium viscosity, is also known as Navy Special and is defined in Military Specification MIL-F-859E, including Amendment 2 (NATO Symbol F-770). It is used in steam-powered vessels in government service and inshore powerplants. No. 6 fuel oil includes Bunker C fuel oil and is used for the production of electric power, space heating, vessel bunkering, and various industrial purposes.
  U.S. Dept. of Energy, Energy Information Administration's Energy Glossary

Energy terms . 2014.

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  • No. 5 Residual fuel oil —   A residual fuel oil of medium viscosity, used in steam powered vessels in government service and power plants, which is also known as “Navy Special” and is defined in Military Specification MIL F 859E, including Amendment 2 (NATO Symbol F 770) …   Energy terms

  • No. 6 Residual fuel oil —   Includes Bunker C fuel oil and is used for the production of electric power, space heating, vessel bunkering, and various industrial purposes. See residual fuel oil.   U.S. Dept. of Energy, Energy Information Administration s Energy Glossary …   Energy terms

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