GEO’s Furnace Oil (Fuel Oil, FO) Is A Thick And Dark Residual Fuel. It Is A Complex Mix Of
Hydrocarbons With Carbon Atoms Ranging Mainly From 20 To 55. This Oil Is Prepared By Mixing The
Residual Products From Diff erent Petroleum Refi ning Processes With Appropriate Dilatants. Further
Furnace Oil Is Graded Based On The Addition Of Dilatants (Middle Distillates Such As Gasoline, High
Speed Diesel, Kerosene Etc.) To Get Necessary Fuel Oil Grades.