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Better combustion and improved carbon efficiencies.Simultaneously reduces NOx and PM emissions.Offers efficiency improvements for large industrial boilers.APT Fuel Oil EmulsionsĪPT’s technology allows for the “dilution” of HFO with water to form a stable fuel oil emulsion (FOE), which has the following operational advantages: Periodic removal of that fouling is expensive and time consuming. In addition, HFO does not burn cleanly, leaving significant quantities of carbon residue, which foul combustion chambers and reduce furnace and boiler efficiencies. HFO combustion temperatures are typically very high and produce noxious emissions, particularly NOx and PM. HFO is one of the least expensive of the refined oil fuels and generally can only be used by facilities that have preheating capabilities. Similarly, HFO must generally be stored in a heated state. Given its high boiling point and tar-like consistency, HFO typically requires heating before it can be moved through pipes or dispensed into a boiler or other heating vessel to be burned. Blending with diesel or gas oil (“cutters”) produce a fluid which, at ambient temperatures, is suggestive of molasses. Those residues, which at ambient temperatures are solid, are sometimes called asphalt, tar, residual oil or “tower bottoms”. HFO is typically blending the residue left over from the crude oil refining process with diesel or gas oil. It is also used as a principal fuel in marine applications and large diesel engines.
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Heavy Fuel Oil is a low-grade fuel primarily used in industrial boilers and other direct source heating applications (refer to Figure 1).