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Fuel Desulfurization

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FreshAWL FUEL-WASH the fuel desulfurization solution
 
FUEL-WASH can be added to ships fuels and mixed as pumped where it would eliminate somewhere in the neighborhood of 40% of the sulfur content in the fuels thereby reducing Sulfide (SOX) emissions in the bilge waters that can contain over 1,000 ppm H2S and the gases above them that can read upwards of 1,000,000 parts per million.
FreshAWL® FUEL-WASH™ removes sulfur compounds from fuels before they are burned and can be added to contaminated fuels to scrub out unwanted sulfur and control Hydrogen Sulfide in bilge waters contacting contaminated fuels. FUEL-WASH not only captures and converts all of the H2S into recoverable elemental sulfur  but it also eliminates virtually all of the mercaptans—both of which are sulfur sources that will  turn into SO2on burning.

Sulfur is a natural impurity which occurs in fossil fuels. When these sulfur rich fuels are burned, they release the sulfur in its gaseous state sulfur dioxide (SO2). Uncontrolled as an exhaust gas emission, SO2 is an air pollutant that is responsible for a variety of respiratory problems, surface corrosion and acid rain. Environmental regulators have been restricting SO2 emissions for years and SO2 must be scrubbed from coal and oil fired power plants and smelters. Sulfur in fuels is also corrosive to equipment including burners and some sensitive combustion equipment.

FUEL-WASH works by a process of catalytic activation and chemical coupling that can wash the fuel itself before it is burned, decreasing the costs for expensive SO2 scrubbers and collection systems. One of the newer market challenges for fuel desulfurization is the huge consumption of Bunker C crudes by ships. These challenges take form in:

  • Corrosion
  • Extremely high levels of H2S
  • High mercaptan levels that can reach the thousands of parts per million (ppm)

The cost of removing sulfur from natural gas and petroleum in the United States was about $1.25 billion during 2008*. In natural gas, sulfur occurs as hydrogen sulfide gas (H2S) for the most part, while in crude oil its presence shows up as sulfur-containing organic compounds which are then converted into hydrocarbons and H2S during the removal process (hydro-desulfurization). In either case the highly corrosive and toxic H2S gas must be converted into elemental sulfur and recovered for resale or safe disposal.

FUEL-WASH can be added to ships fuels and mixed as pumped where it would eliminate somewhere in the neighborhood of 40% of the sulfur content in the fuels thereby reducing Sulfide (SOX) emissions in the bilge waters that can contain over 1,000 ppm H2S and the gases above them that can read upwards of 1,000,000 parts per million. Ships consume 8 billion gallons of fuel per year.

707-494-5758
 
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