125Combustion of Used Engine Oil
5.4 FUEL OIL PROPERTIES
Heavy fuel oil can have high levels of contaminant metals, sulfur, and asphaltene
constituents that can lower fuel quality (Chapter 3). Poor quality fuel causes ash foul-
ing, slag, and corrosion. In fact, any property prescribed in a product’s specication
should be related to product performance or of value in the rening or handling of
the product (Martin and Hicks 2010). Specic procedures commonly applied to heat-
ing and power generation fuels and their signicance are varied but must be applied
to assure product quality and suitability for utilization in the designated manner.
5.4.1 aPi and sPecific gravity Or density
The gravity of a fuel oil is an index of the weight of a measu ...