Fischer-Tropsch Diesel Fuels - Properties and Exhaust Emissions: A Literature Review

Alleman, Teresa L.; McCormick, Robert L.

doi:10.4271/2003-01-0763

Cited by 100 publications

(68 citation statements)

References 4 publications

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“…It suggests that the nucleation of sulfuric acid and semivolatile organic compounds in the process of dilution and cooling of the vehicle exhaust produces more nucleation mode particles. The homogeneous nucleation is significantly affected by the environmental temperature, humidity, pre-existing particles in the exhaust and processes of deposition and volatilization in the dilution system [16,17] .…”

Section: Total Number and Mass Concentrationsmentioning

confidence: 99%

Characteristics of ultrafine particle from a compression-ignition engine fueled with low sulfur diesel

et al. 2009

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Section: Total Number and Mass Concentrationsmentioning

confidence: 99%

Characteristics of ultrafine particle from a compression-ignition engine fueled with low sulfur diesel

et al. 2009

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“…2 The fuel used in this study was tested to determine physical and chemical properties. In addition, researchers performed elastomer compatibility testing to characterize the impact of GTL fuel on fuel system elastomers.…”

Section: Fuel Property Testingmentioning

confidence: 99%

Fuel Property, Emission Test, and Operability Results from a Fleet of Class 6 Vehicles Operating on Gas-To-Liquid Fuel and Catalyzed Diesel Particle Filters

Alleman¹,

Eudy²,

Miyasato³

et al. 2004

SAE Technical Paper Series

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A fleet of six 2001 International Class 6 trucks operating in southern California was selected for an operability and emissions study using gas-to-liquid (GTL) fuel and catalyzed diesel particle filters (CDPF). Three vehicles were fueled with CARB specification diesel fuel and no emission control devices (current technology), and three vehicles were fueled with GTL fuel and retrofit with Johnson Matthey's CCRT™ diesel particulate filter. No engine modifications were made.Bench scale fuel-engine compatibility testing showed the GTL fuel had cold flow properties suitable for year-round use in southern California and was additized to meet current lubricity standards. Bench scale elastomer compatibility testing returned results similar to those of CARB specification diesel fuel. The GTL fuel met or exceeded ASTM D975 fuel properties.Researchers used a chassis dynamometer to test emissions over the City Suburban Heavy Vehicle Route (CSHVR) and New York City Bus (NYCB) cycles. The GTL-fueled vehicles were tested with and without the CDPFs to isolate fuel and aftertreatment effects.All emission changes are compared to the CARB specification diesel baseline. Over the CSHVR cycle, GTL fuel (no filter) reduced all regulated emissions, with oxides of nitrogen (NO x ) reductions of 8% and particulate matter (PM) reductions of 33%. Over the NYCB cycle, GTL fuel (no filter) reduced NO x and PM by 16% and 23%, respectively. Combining GTL and CDPF further reduced all regulated emissions, with NO x and PM reductions of 14% and 99%, respectively, on the CSHVR cycle. Vehicles tested over the NYCB cycle on GTL fuel and CDPF produced NO x and PM reductions of 20% and 97%, respectively.

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“…These properties, along with a high cetane number, result in superior combustion characteristics (Jager, 1998 andAlleman andMcCormick, 2003). Tests performed on heavy duty trucks showed decreases in vehicle emissions of HC, CO, NOx, and PM when using a FT fuel (Haid, et al, 2000;Lutz, 2001).…”

Section: Environmental Performancementioning

confidence: 99%

Preliminary screening: Technical and economic assessment of synthesis gas to fuels and chemicals with emphasis on the potential for biomass-derived syngas

2003

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Executive Summary/ConclusionsIn principle, syngas (primarily consisting of CO and H 2 ) can be produced from any hydrocarbon feedstock, including: natural gas, naphtha, residual oil, petroleum coke, coal, and biomass. The lowest cost routes for syngas production, however, are based on natural gas, the cheapest option being remote or stranded reserves. Economic considerations dictate that the current production of liquid fuels from syngas translates into the use of natural gas as the hydrocarbon source. Nevertheless, the syngas production operation in a gas-to-liquids plant amounts to greater than half of the capital cost of the plant. The choice of technology for syngas production also depends on the scale of the synthesis operation. Syngas production from solid fuels can require an even greater capital investment with the addition of feedstock handling and more complex syngas purification operations. The greatest impact on improving the economics of gasto liquids plants is through 1) decreasing capital costs associated with syngas production and 2) improving the thermal efficiency with better heat integration and utilization. Improved thermal efficiency can be obtained by combining the gas-to-liquids plant with a power generation plant to take advantage of the availability of low-pressure steam.

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Fischer-Tropsch Diesel Fuels - Properties and Exhaust Emissions: A Literature Review

Cited by 100 publications

References 4 publications

Characteristics of ultrafine particle from a compression-ignition engine fueled with low sulfur diesel

Characteristics of ultrafine particle from a compression-ignition engine fueled with low sulfur diesel

Fuel Property, Emission Test, and Operability Results from a Fleet of Class 6 Vehicles Operating on Gas-To-Liquid Fuel and Catalyzed Diesel Particle Filters

Preliminary screening: Technical and economic assessment of synthesis gas to fuels and chemicals with emphasis on the potential for biomass-derived syngas

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