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Topic: Residual fuel


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Oil

In the News (Tue 8 Dec 09)

  
  Fuel Oil Use in Manufacturing
In terms of heat content, distillate fuel oil use was 10 percent of natural gas purchased fuel use in 1975, 9 percent in 1978 (a decrease of more than 9 percent), and 3 percent by 1981 (a decrease from 1975 of 66 percent).
Residual fuel oil shows an increase in discretionary use rate from 17 percent to around 20 percent from 1985 to 1994.
Of the estimated 159,773 establishments in the population that use natural gas for fuel, 5,779 establishments were able to switch to residual fuel oil.
www.eia.doe.gov /emeu/consumptionbriefs/mecs/fueloil/mecs_fueloil_use.html   (1574 words)

  
  Fuel oil Summary
Fuel oil is a fraction obtained from petroleum distillation, either as a distillate or a residue.
Broadly speaking, fuel oil is any liquid petroleum product that is burned in a furnace for the generation of heat or used in an engine for the generation of power, except oils having a flash point of approximately 40 °C (about 100 °F) and oils burned in cotton or wool-wick burners.
Residual fuel oil is less useful because it is so viscous that it has to be heated, which requires a special heating system, before use and it contains relatively high amounts of pollutants, particularly sulfur, which forms sulfur dioxide upon combustion.
www.bookrags.com /Fuel_oil   (2757 words)

  
  Biodiesel - Wikipedia, the free encyclopedia
Fuel stations are beginning to make biodiesel available to consumers, and a growing number of transport fleets use it as an additive in their fuel.
Fuel filters may become clogged with particulates if a quick transition to pure biodiesel is made, as biodiesel “cleans” the engine in the process.
Biodiesel reduces emissions of carbon monoxide (CO) by approximately 50% and carbon dioxide by 78% on a net lifecycle basis because the carbon in biodiesel emissions is recycled from carbon that was already in the atmosphere, rather than being new carbon from petroleum that was sequestered in the earth's crust.
en.wikipedia.org /wiki/Biodiesel   (4424 words)

  
 High pressure fuel injection system - Patent 5201295
The residual pressure is increased by means of pressure influencing means such as a pressure regulating valve for regulating in the injector leakage return conduit or in the high pressure fuel conduits connecting the fuel injection pump with the injetors.
The fuel is delivered at a regulated low pressure to a fuel sump 7 of the pump 1 by a supply pump 8 which is connected to a fuel supply tank 9.
Fuel from a fuel supply tank 9 is pumped by the supply pump 8 into the injection pump 1 and the injection pump plunger (not shown) which is as shown in FIG.
www.freepatentsonline.com /5201295.html   (7338 words)

  
 California Emission in Context
Although the fuel economy of new passenger cars and light duty trucks leveled off by 1988, the efficiency of the overall fleet of cars on the road continued to improve throughout the 1990s as older cars (with poorer fuel economy) were retired.
Without the reduction in residual fuel oil emissions, the CO emissions from the transportation sector (excluding marine bunker fuels) would have increased by nearly nine percent from 1990 to 1999, as compared to the seven percent increase reported in the inventory.
The impact of residual fuel oil emissions on trends in transportation emissions is further complicated by the uncertainty surrounding preliminary estimates of marine bunker fuel emissions.
www.climatechange.ca.gov /policies/1990s_calif_in_context/page10.html   (1075 words)

  
 Residual Fuel Compatibility
The resin molecules in an oily medium of a residual fuel are known as 'maltenes' whilst the liquid hydrocarbons are an oily medium of still lower carbon/hydrogen ratio and molecular weight than the resins, which acts as a solvent for the other constituents.
Thus a residual fuel oil is generally considered to contain a disperse phase of asphaltenes complexed with high molecular weight components of the maltenes (resins) and liquid hydrocarbons in the form of a micelle.
Stability of residual fuel may be defined as the ability of a fuel to remain in an unchanged condition despite circumstances which may tend to cause change; or more simply, as the resistance of an oil to breakdown.
www.kittiwake.com /Default.aspx?Page=KB&KB=35/LanguageID/3   (0 words)

  
 SemGroup   (Site not responding. Last check: )
Residual fuel is what remains after the distillate fuel oils and lighter hydrocarbons are distilled away in the refining process.
Residual fuel is used for numerous applications: steam-powered vessels, inshore power plants, electric power production, space heating, vessel bunkering and various industrial purposes.
The value of residual fuel typically trades between that of coker feedstock, which is driven by unleaded gasoline, and its BTU value at the burner-tip markets.
www.semgrouplp.com /ResidualFuels-About.asp   (243 words)

  
 Glossary of Terms associated with Marine Fuels - Plaza Marine Inc.
Fuel stability is assessed by the ISO 10307-2 test method, and cannot be assessed by the measurement of asphaltene content alone.
The significance of carbon residue is that fuels with high carbon residue content may cause increased fouling of gasways in the engine necessitating more frequent cleaning, especially of the turbocharger and exhaust gas boilers.
The viscosity of distillate fuels is quoted at 40 Deg C. The viscosity of residual fuels is quoted at 50 Deg C. Different reference temperatures are used depending upon the viscosity classification used, the type of fluid being measured, and the national preference for viscosity measurement.
www.plazamarinefuel.com /marinefuelterms.htm   (2778 words)

  
 Burning #6 Fuel Oil
Since fuel oils must be pre-heated for satisfactory handling in pumping and atomizing, to what extent the viscosity must be reduced and to what temperature the oil must be heated to accomplish such a reduction.
Fuel oil delivery to the inner tube can be controlled by a gate valve mounted in the main oil supply line immediately prior to the burner.
The reader may be surprised to observe that the combustion rate of #6 residual fuel oil is dependent upon its rate of evaporation within the boiler furnace.
energyconcepts.tripod.com /energyconcepts/heavy_oil.htm   (0 words)

  
 Fuel Oils (Heating Oils) (IARC Summary & Evaluation, Volume 45, 1989)
Fuel oils are complex and variable mixtures of alkanes and alkenes, cycloalkanes and aromatic hydrocarbons, containing low percentages of sulfur, nitrogen and oxygen compounds.
The main components of residual fuel oils are the heavy residues from distillation and cracking operations [8, 21, 31]; various refinery by-products and heavy distillates [20, 26, 27] may be added.
In fuel oils that contain high proportions of heavy atmospheric, vacuum and cracked distillates or atmospheric and vacuum residues, the content of three- to seven-ring polycyclic aromatic hydrocarbons may be as high as 10%; if large quantities of cracked components are incorporated, levels may approach 20%.
www.inchem.org /documents/iarc/vol45/45-06.html   (1000 words)

  
 Coen | White Papers | Advances in Low NOx Residual Oil Firing for Boilers
Residual oil continues to be the fuel of choice for many industrial steam users while environmental regulations allow its use.
Heavy residual oil is the fuel of choice for industrial and utility boiler owners where natural gas and coal are not continuously available.
For nitrogen containing fuels such as residual oil, the oxidation of nitrogen that is organically bound to the fuel molecule becomes the primary source of total NOx emissions.
www.coen.com /i_html/white_advlownox.html   (3257 words)

  
 Health effects of fuel oils - Encyclopedia of Earth
Fuel oils are mixtures of aliphatic (open chain and cyclic compounds that are similar to open chain compounds) and aromatic (benzene and compounds similar to benzene) petroleum hydrocarbons.
Fuel oils are composed of a large number of different chemicals, and each fuel oil is a slightly different mixture of these chemicals.
If you handle fuel oils or use a fuel oil to clean equipment at your job, or if fuel oils are stored at your workplace, you may also be exposed to them through contact with the skin or in the air.
www.eoearth.org /article/Health_effects_of_fuel_oils   (1968 words)

  
 Petroleum - Facts, Information, and Encyclopedia Reference article
In this situation it is sufficient to place a complex arrangement of valves (the Christmas tree) on the well head to connect the well to a pipeline network for storage and processing.
The process is today used in South Africa to produce most of the country's diesel fuel from coal by the company Sasol.
However, oil's unique role as a transportation fuel makes reducing its CO emissions a particularly thorny problem; amelioration strategies such as carbon sequestering are generally geared for large power plants, not individual tailpipes.
www.startsurfing.com /encyclopedia/p/e/t/Petroleum.html   (4499 words)

  
 Foster Wheeler: Publications
The cracked residue leaves the soaking zone after the desired degree of reaction is reached and is quenched with gas oil to stop the reaction and prevent coking.
The incentive not to convert diesel into high-sulfur residual fuel oil is sufficiently strong that it is unlikely there are any large refiners using diesel cutter stock with high sulfur vacuum residues to reduce viscosity rather than using visbreaking to reduce viscosity.
In the past, most of the fuel coke produced in the US has been exported to Europe and Japan, however, many of the coal burning power producers in the U.S. have now installed scrubbers and are now using or considering the use of petcoke as part of the fuel to their plant.
www.fwc.com /publications/tech_papers/oil_gas/aiche.cfm   (2969 words)

  
 Fuel Switching
During the 1990 to 1999 period, the switch from distillate and residual fuel oils to natural gas resulted in a decrease in emissions because natural gas produces less carbon dioxide than the other fossil fuels.
These fuel oil reductions were accompanied by substantial increases in the amount of natural gas burned in California as shown in Figure ES-11.
This change in crude oil processing and the modernization of the state refineries substantially reduced the availability of residual fuel oil, which is a low value fuel, in California.
www.climatechange.ca.gov /policies/1990s_exec_summary/page5.html   (184 words)

  
 Fuels: United States
The D 975 is inconsistent in its description of the applications of the different fuel grades given in the scope statement and in the appendix.
This contamination with residual fuel usually occurs in the distribution process, when using the same supply means (e.g., pipelines, supply vessels) that are used for residual fuel.
This fuel, commonly referred to as the low sulfur diesel fuel, was introduced to facilitate sulfate particulate emission reductions, which were necessary for meeting the 1994 emission standards for heavy-duty highway engines.
www.dieselnet.com /standards/us/fuel.html   (793 words)

  
 Fuel Additives - Conntect
These fuels include crude oil, heavy residual fuel, blended fuels and in some cases even distillate fuel.
offers a wide range of gas turbine fuel additives to address these problems, which almost always involves some kind of modification of the trace elements in the gas path that create compounds that are not corrosive, create a more friable ash and act as a combustion catalyst.
For crude, heavy residual fuels or blended fuels containing high limits of corrosive metals including the alkali salts, we offer a series of magnesium-chromium based additives formulated based on the fuel analysis.
www.conntect.com /fueladditives   (0 words)

  
 Fuel pump pressure & volume testing Motor - Find Articles
Any fuel injected engine that's difficult to start, idles rough, hesitates, lacks power under load or runs lean probably isn't getting enough fuel, and a weak pump may be to blame.
A deadhead fuel pressure test is similar to the stress test a cardiologist may one day ask you to take.
If the fuel line pressure rapidly drops to zero, the residual fuel pressure is leaking past the fuel pump check valve, or through a fuel line fitting.
www.findarticles.com /p/articles/mi_qa3828/is_200305/ai_n9271473   (778 words)

  
 Welcome to Texas Oil Tech Labortories, Inc.
The fuel oils fall into two broad classifications, distillate and residual fuels, according to their method of production.
The residuals, or bottoms remaining after distillation, are generally of higher density and viscosity.
Grade 4 Light and 4 Heavy are heavy distillate fuels or blends with residual fuels for use with commercial or industrial boilers.
www.tol-lp.com /html/fueloilsintro.htm   (399 words)

  
 SJM Autotechnik, Audi Parts Specialist, 503-244-2834, Audi Quattro Parts, VW Parts, BMW Parts
If you find that your residual fuel pressure is going up too high, and you are getting some hot start problems with mild engine flooding (rich mixture), and you have already replaced all of your fuel injectors, then you may want to try adjusting the residual pressure.
This return fuel line is next to the fuel filter supply line, it should be disconnected and the line coming from the fuel distributor should be inserted into a calibrated beaker or other suitable container to measure the fuel delivery.
Normally the fuel filters are spec'd to go 30,000 miles between changes, but some areas with lousy fuel or if you use fuel with methanol content, you may need to change the filter once a year or every 15,000 miles.
www.sjmautotechnik.com /trouble_shooting/ficis.html   (2254 words)

  
 Petroleum engineering other topics - Residual fuel oil viscosity-temperature-pressure diagrams.
This effectively limits the maximum fuel viscosity as the higher the viscosity the higher the temperature to which the fuel must be heated to obtain the correct operating temperature.
Fuel quality is notoriously variable (13.7% of marine fuels sampled are found to be off-spec to ISO 8217 in one or more parameters; 6% off-spec for density i.e.
Fuel oil heater control is normally done using a viscometer in the high pressure circuit to the engine.
www.eng-tips.com /viewthread.cfm?qid=135463&page=1   (1749 words)

  
 Fuel Oil and Kerosene Sales
The Fuel Oil and Kerosene Sales, 2005 report provides information, illustrations and State-level statistical data on end-use sales of kerosene; No.1, No. 2, and No. 4 distillate fuel oil; and residual fuel oil.
State-level residual fuel sales include volumes for commercial, industrial, oil company, vessel bunkering, military, electric utility, and other uses.
The revisions to the data were made to include new distillate fuel oil and residual fuel oil volumes for "Electric Power" and a new residual product supplied number.
www.eia.doe.gov /oil_gas/petroleum/data_publications/fuel_oil_and_kerosene_sales/foks.html   (0 words)

  
 Archive
In its Monthly Statistical Report covering November 2006, API attributed the 500,000-barrel-per-day decline in residual fuel oil demand to the fact that November 2005 demand was boosted by a high level of fuel switching by utilities that substituted costly natural gas with heavy fuel oil.
With flat-to-declining deliveries for distillate fuel oil and residual fuel oil, along with an only-modest rise for jet fuel, total petroleum deliveries for the second quarter shrank from year-ago levels by 1.3 percent.
The nation’s oil and natural gas companies count on the expertise, experience and resources necessary to make the challenging fuel transitions this year as long as fuel markets are permitted to function freely, API said in a statement presented to the Senate Environment and Public Works Committee on March 29.
www.api.org /Newsroom/archive   (0 words)

  
 HFX Residual or Bunkier Fuel Supplement
The formation of viscous emulsions and the stratification that often occursin residual fuels is greatly reduced.
The melting point of the residues were determined.The percentage of unburned residue was 10.1% for untreated Bunker C versus6.5% for samples treated with HFX.
The ash melting point was 700º-760ºCfor the untreated fuel and 1040º-1200ºC. for the treated fuel.This resulted in an increase of nearly 50% of the melting point of residuesand indicates that the residue will be dryer and will not stick to heatingsurfaces.
www.ati-intl.com /atihfx.htm   (1174 words)

  
 Fuel Injection troubleshooting
Ground pins 21 and 20; even without the ignition being on, the fuel pump should then run (you can hear the fuel swooshing through the system and you can faintly hear the pump running at the back of the car).
If the pump doesn't run, it might be the pump or it might be the fuel pump relay or it might even be the fuel system relay (it has to actuate before the fuel pump relay can actuate); the relays are a lot cheaper than the pump, so try them first.
I did not know this and did not have a problem with it, but it might be a good idea to carefully loosen a fuel fitting to bleed off residual fuel pressure before trying to actuate the injectors.
www.quasimotors.com /fuelie.htm   (622 words)

  
 PIRA Energy Group Facts   (Site not responding. Last check: )
On the demand side, the traditional demand sectors for fuel oil in power generation and industrial heating have been declining as substitution to coal and gas have taken market share in the industrialized world.
Other residuum fuel demands — notably for bunkers, asphalt, and power/industrial demand in key areas of the developing world — are still growing.
The long historical decline in fuel oil demand is expected to reverse, changing to modest growth.
www.pira.com /ClientServices/ResidFuelStudy.htm   (2620 words)

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