Residual Furnace Oil
Residual fuel oil: A general classification for the heavier oils, known as No. … 6 fuel oils, that remain after the distillate fuel oils and lighter hydrocarbons are distilled away in refinery operations.
The primary end use for residual fuel oil is as a fuel in simple furnaces such as power plants and industrial boilers. It is also the primary fuel used on ocean-going ships, where it is called bunker fuel.
Drum, Flexi & Bulk.