Study on Lubricity of Low Sulfur Diesel Fuels

Miura, Masatoshi; Ikeda, Tomoaki; Takizawa, Haruo; Yoshida, Haruhisa; Ikebe, Hiromichi

doi:10.4271/972895

Cited by 7 publications

(5 citation statements)

References 16 publications

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“…In October 1996, Europe mandated a maximum limit of 0.05 wt % sulfur in diesel fuel . The Nordic countries had already taken similar action when in 1992 Sweden introduced Class 1 with sulfur content less than 10 ppm by mass, and Class 2 type fuels with sulfur content 50 ppm by mass . Class 1 now accounts for nearly 100% of the Swedish diesel market.…”

Section: Introductionmentioning

confidence: 99%

Lubrication Properties of Low-Sulfur Diesel Fuels in the Presence of Specific Types of Fatty Acid Derivatives

et al. 2000

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This paper presents the impact of the addition of specific types of fatty acid derivatives on the lubrication properties of low sulfur diesel fuels. It discusses the most recent results, concerning the influence of adding low amounts of four specific types of biodiesel and two tertiary amides on the tribological behavior of the steel-on-steel systems, lubricated with low-sulfur automotive diesel. Experiments were carried out on the HFRR test rig. The obtained wear results have clearly shown a specific behavior of the components tested, which dissolved in selected base fuels at the concentration range of 0.05-10%. It is concluded that a very small amount of the selected biodiesel types and tertiary amides dramatically improves the low-sulfur diesel lubricity.

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Section: Introductionmentioning

confidence: 99%

Lubrication Properties of Low-Sulfur Diesel Fuels in the Presence of Specific Types of Fatty Acid Derivatives

et al. 2000

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“…Ultra-low-sulfur (<0.005%) diesel fuels have been introduced in Sweden and Finland to reduce the particulate material (PM) levels from urban buses. − A 32−44% reduction in PM was obtained in buses with pre-EURO I engines, and an approximately 32% reduction in PM was obtained in buses with EURO II engines, using ultra-low-sulfur European “City” diesel fuel…”

Section: Introductionmentioning

confidence: 99%

A Preliminary Evaluation of Esters of Monocarboxylic Fatty Acid on the Lubrication Properties of Diesel Fuel

Anastopoulos

Lois

Karonis

et al. 2000

Ind. Eng. Chem. Res.

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This paper assesses the impact of esters of monocarboxylic fatty acids, on the lubrication properties of ultra-low-sulfur diesel fuels. Seven esters were used as lubricating additives on a matrix of eight fuels, at five different concentrations of 50, 100, 500, 750, and 1000 ppm. Tribological experiments carried out on the high-frequency reciprocating test rig (HFRR) showed that the effective concentration of the additives was 500 ppm or higher.

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“…This limit decreased to 350 ppm from 1 January 2000 and it will decrease further to 50 ppm by the year 2005. Ultra-low-sulphur ((5 ppm) diesel fuels have been introduced in Sweden and Finland to reduce the emitted particulate levels from urban buses (Saikkonen et al, 1996;Miura et al, 1997;Tucker et al, 1994). A 32}44 per cent reduction in PM was obtained in buses with pre-Euro I engines, and an approximately 32 per cent reduction in PM was obtained in buses with EURO II engines, using ultra-low-sulphur European &City' diesel fuel (Brown, 1997).…”

Section: Introductionmentioning

confidence: 99%

A survey of the automotive diesel quality in the Athens area

Kalligeros

Zannikos

Stournas

et al. 2001

Int. J. Energy Res.

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SUMMARYOne of the most fuel-e$cient engines available is the diesel engine. It is the engine of choice for the commercial and heavy-duty transportation industry. Increasingly stringent legislated exhaust emission levels are driving improvements in both engine technology and fuel quality around the world. This paper presents the results of a survey in automotive diesel samples obtained from service stations in the Athens area. For this purpose 112 fuel samples were randomly collected from several service stations during the period from April 1998 until June 1999. These samples are representative of the automotive diesel distributed in the Athens area from all the oil companies operating in Greece. The laboratory examination involved the analysis both for any adulteration with the cheaper domestic heating diesel or marine diesel, and for some key properties of the automotive diesel. The ASTM standard methods were applied for the determination of the sulphur and nitrogen content, the density at 153C, the Cetane index, the kinematic viscosity at 403C and the distillation properties of initial boiling point of the fuel (IBP), 10 per cent volume of the fuel (D ), 50 per cent volume of the fuel (D ), 90 per cent volume of the fuel (D ) and the "nal boiling point (FBP). The results indicate that there is a large #uctuation in the fuel properties among the oil marketers. Forty-six samples were found to be adultered with the cheaper diesel (domestic heating or marine diesel fuel) during the sampling period. This means that more than 40 per cent of the automotive diesel distributed in Athens, su!ers from some degree of adulteration. One sample was found to be outside the current speci"cations of density maybe due to contamination with white spirit. The fuel adulteration problem is associated with environmental pollution, problems in engine performance and tax losses. It is a common problem not only to the European countries but practically for every nation in the world. The European Union expressed recently its concern on this issue, mandating that by the year 2002 all the member states will promote the development of a uniform system for fuel quality monitoring.

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Study on Lubricity of Low Sulfur Diesel Fuels

Cited by 7 publications

References 16 publications

Lubrication Properties of Low-Sulfur Diesel Fuels in the Presence of Specific Types of Fatty Acid Derivatives

Lubrication Properties of Low-Sulfur Diesel Fuels in the Presence of Specific Types of Fatty Acid Derivatives

A Preliminary Evaluation of Esters of Monocarboxylic Fatty Acid on the Lubrication Properties of Diesel Fuel

A survey of the automotive diesel quality in the Athens area

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