EP0946684B1 - Utilisation d'additifs pour carburant diesel - Google Patents

Utilisation d'additifs pour carburant diesel Download PDF

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Publication number
EP0946684B1
EP0946684B1 EP97954445A EP97954445A EP0946684B1 EP 0946684 B1 EP0946684 B1 EP 0946684B1 EP 97954445 A EP97954445 A EP 97954445A EP 97954445 A EP97954445 A EP 97954445A EP 0946684 B1 EP0946684 B1 EP 0946684B1
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Prior art keywords
fuel
engine
diesel
range
diesel fuel
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EP97954445A
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German (de)
English (en)
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EP0946684A1 (fr
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Christopher William Clayton
Leslie Thomas Cowley
Janet Anne Day
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Shell Internationale Research Maatschappij BV
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Shell Internationale Research Maatschappij BV
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Definitions

  • US Patent No. 4 623 362 discloses distillate fuel for indirect injection compression ignition engines containing, in an amount sufficient to minimize coking, especially throttling nozzle coking in the prechambers or swirl chambers of indirect injection compression ignition engines operated on such fuel, at least the combination of (i) organic nitrate ignition accelerator and (ii) an alkoxyalkanol which, when added to said fuel in combination with said organic nitrate ignition accelerator minimizes said coking.
  • the alkoxyalkanol has the structure R'(OR") n OH wherein R' is an alkyl group containing 1-12 carbon atoms, R" is a divalent aliphatic hydrocarbon group containing 2-4 carbon atoms and n is an integer from 1-4.
  • Goldschmidt, Q 25907 (ex Dow Corning) or "RHODORSIL” (Trade Mark) (ex Rhone Poulenc)
  • ignition improvers e.g. 2-ethylhexyl nitrate, cyclohexyl nitrate, di-tertiary-butyl peroxide and those disclosed in US Patent No. 4,208,190 at Column 2, line 27 to Column 3, line 21
  • anti-rust agents e.g.
  • phenolics such as 2,6-di-tert-butylphenol, or phenylenediamines such as N,N'-di-sec-butyl-p-phenylenediamine
  • metal deactivators and lubricity agents e.g. those commercially available as EC831, P631, P633 or P639 (ex Paramins) or "HITEC” (Trade Mark) 580 or X9429, X4848 or X4849 (ex Ethyl Corporation), "Lubrizol” (trade mark) 539A (ex Lubrizol), “VECTRON” (trade mark) 6010 (ex Shell Additives), OLI9000 (ex Associated Octel), or ADX4101B (ex Adibis)).
  • Preferred low molecular weight amine detergents are C 10-20 alkylamines.
  • Aliphatic primary monoamines particularly linear aliphatic primary monoamines, having 10 to 20 carbon atoms are particularly preferred.
  • the alkylamine preferably has 10 to 18, e.g. 12 to 18, more preferably 12 to 16 carbon atoms. Dodecylamine is particularly preferred.
  • polyether derivatives of formula I may give rise to additional benefits such as fuel injector cleanliness and reduced emissions of hydrocarbons, partially burned hydrocarbons and particulates when running at normal (hot) operating temperatures, i.e. in addition to the benefits obtained under cold-running engine conditions.
  • a problem with white smoke opacity measurements is that their absolute values are affected by variations in atmospheric conditions, conditions in the engine exhaust system and the cleanliness of the instrument optical components, but COV of IMEP measurements are much more consistent both within a test and between one test and another.
  • the AVL 647s analyser was used to obtain three samples of the COV of IMEP. The mean of the three readings was recorded.
  • the engine fuel was then changed again, this time back to the base fuel.
  • the engine was allowed to settle down for a further 15 to 20 minutes and a third set of base fuel COV of IMEP measurements was taken.
  • the heavy-duty diesel engine which was to EURO2 specification, was equipped with turbocharger and intercooler and had 6 cylinders, a displacement of 7 litres and a rated power of 206 kW at 2600 rpm.

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  • Oil, Petroleum & Natural Gas (AREA)
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  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
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  • Solid Fuels And Fuel-Associated Substances (AREA)
  • Output Control And Ontrol Of Special Type Engine (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Lubricants (AREA)

Claims (8)

  1. Utilisation, en tant qu'additif dans un carburant diesel comprenant une proportion majeure de gazole, d'une concentration efficace comprise dans la plage allant de 0,1% en poids à 1% en poids sur base du carburant diesel, d'un dérivé de polyéther de formule générale I, R1-O-(R3-O)x-R2 dans laquelle R1 et R2 représentent chacun indépendamment l'un de l'autre un atome d'hydrogène, un groupe alkyle ou alcényle en C1 à C30, éventuellement substitué par un ou plusieurs groupes amino ou hydroxy, ou un groupe alcanoyle en C2 à C7, x a une valeur moyenne dans la plage allant de 2 à 200, et chaque groupe caractéristique R3 est indépendamment choisi parmi des groupes caractéristiques alkylène en C2 à C4, pour la réduction des émissions de fumée blanche dans des conditions de fonctionnement à froid du moteur, dans lesquelles la température de démarrage du moteur est de 0°C ou moins.
  2. Utilisation selon la revendication 1, dans laquelle le dérivé de polyéther de la formule I est présent en une concentration comprise dans la plage allant de 0,2 % en poids à 1 % en poids sur base du carburant diesel.
  3. Utilisation selon la revendication 1 ou 2, dans laquelle le dérivé de polyéther de la formule I est présent en une concentration comprise dans la plage allant de 0,3 % en poids à 0,5% en poids sur base du carburant diesel.
  4. Utilisation selon la revendication 1, 2 ou 3, dans laquelle R1 et R2 représentent chacun indépendamment l'un de l'autre un atome d'hydrogène, un groupe alkyle en C1 à C20, éventuellement substitué par un groupe amino, ou un groupe alcanoyle en C2 à C4.
  5. Utilisation selon l'une quelconque des revendications 1 à 4 dans laquelle R1 et R2 représentent chacun indépendamment l'un de l'autre un atome d'hydrogène, un groupe alkyle en C1 à C20, éventuellement substitué par un groupe amino, et x a une valeur moyenne dans la plage allant de 2 à 150.
  6. Utilisation selon l'une quelconque des revendications 1 à 5, dans laquelle le gazole présente une concentration en sulfure de mois de 500 ppm en poids.
  7. Procédé de mise en marche d'un moteur diesel dans des conditions de fonctionnement à froid, dans lesquelles la température de démarrage du moteur est de 0°C ou moins, avec des émissions réduites de fumée blanche, qui comprend le fonctionnement du moteur avec un carburant diesel contenant une proportion majeure de gazole et une concentration efficace, comprise dans la plage allant de 0,1% en poids à 1% en poids sur base du carburant diesel, d'un dérivé de polyéther de formule I tel que défini dans l'une quelconque des revendications 1 à 5.
  8. Procédé selon la revendication 7 dans lequel le gazole présente une concentration de sulfure de moins de 500 ppm en poids.
EP97954445A 1996-12-20 1997-12-17 Utilisation d'additifs pour carburant diesel Expired - Lifetime EP0946684B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DK97954445T DK0946684T3 (da) 1996-12-20 1997-12-17 Anvendelse af additiver til dieselbrændstof
EP97954445A EP0946684B1 (fr) 1996-12-20 1997-12-17 Utilisation d'additifs pour carburant diesel

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
EP96309368 1996-12-20
EP96309368 1996-12-20
PCT/EP1997/007193 WO1998028383A1 (fr) 1996-12-20 1997-12-17 Additifs pour carburant diesel
EP97954445A EP0946684B1 (fr) 1996-12-20 1997-12-17 Utilisation d'additifs pour carburant diesel

Publications (2)

Publication Number Publication Date
EP0946684A1 EP0946684A1 (fr) 1999-10-06
EP0946684B1 true EP0946684B1 (fr) 2005-05-25

Family

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Application Number Title Priority Date Filing Date
EP97954445A Expired - Lifetime EP0946684B1 (fr) 1996-12-20 1997-12-17 Utilisation d'additifs pour carburant diesel

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EP (1) EP0946684B1 (fr)
AT (1) ATE296341T1 (fr)
CA (1) CA2275573C (fr)
DE (1) DE69733363T2 (fr)
DK (1) DK0946684T3 (fr)
EE (1) EE04471B1 (fr)
NO (1) NO330230B1 (fr)
WO (1) WO1998028383A1 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6200359B1 (en) * 1998-12-23 2001-03-13 Shell Oil Company Fuel oil composition
US6468319B1 (en) 1999-07-16 2002-10-22 Exxonmobil Research And Engineering Co. Diesel fuel containing ester to reduce emissions
JP3792990B2 (ja) * 2000-04-26 2006-07-05 敬郎 濱田 低公害燃料
EP1632665A1 (fr) * 2004-09-03 2006-03-08 Infineum International Limited Procédé pour ameliorer la puissance d'un moteur à gaz à deux combustibles
EP1866397A2 (fr) 2005-03-29 2007-12-19 Arizona Chemical Company Compositions renfermant des acides gras et/ou leurs derives et un stabilisateur a basse temperature
DE102008032254B4 (de) * 2008-07-09 2010-10-21 Man Nutzfahrzeuge Ag Rußarme Dieselkraftstoffe, enthaltend einen Kraftstoffzusatz, deren Verwendung sowie die Verwendung des Kraftstoffzusatzes zur Herstellung von rußarmen Dieselkraftstoffen
CN109707519B (zh) * 2019-03-11 2021-12-10 杰锋汽车动力系统股份有限公司 用于发动机主副油箱燃油切换的转换阀

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GB565465A (en) * 1941-01-02 1944-11-13 Standard Oil Dev Co An improved manufacture of diesel fuels
US2763537A (en) * 1949-05-24 1956-09-18 California Research Corp Diesel fuel oil
DE2064681B2 (de) * 1970-12-31 1973-01-04 Brenntag Kraft- Und Schmierstoff Gmbh & Co Kg, 4330 Muelheim Kraftstoffzusatz zur Reduzierung von Rückstandsbildungen in Verbrennungskraftmaschinen, insbesondere Fahrzeugmotoren und Reduzierung von Schadstoffen in deren Abgasen
JPS59232176A (ja) * 1983-06-16 1984-12-26 Nippon Oil Co Ltd デイ−ゼルエンジン用燃料組成物
DE3478696D1 (en) * 1983-08-08 1989-07-20 Chevron Res Diesel fuel and method for deposit control in compression ignition engines
US5314511A (en) * 1992-12-23 1994-05-24 Arco Chemical Technology, L.P. Diesel fuel
US5425790A (en) * 1992-12-23 1995-06-20 Arco Chemical Technology, L.P. Diesel fuel

Also Published As

Publication number Publication date
CA2275573A1 (fr) 1998-07-02
EP0946684A1 (fr) 1999-10-06
EE9900255A (et) 1999-12-15
ATE296341T1 (de) 2005-06-15
DE69733363T2 (de) 2006-01-26
WO1998028383A1 (fr) 1998-07-02
EE04471B1 (et) 2005-04-15
DE69733363D1 (de) 2005-06-30
DK0946684T3 (da) 2005-06-20
NO993014D0 (no) 1999-06-18
NO330230B1 (no) 2011-03-07
NO993014L (no) 1999-06-18
CA2275573C (fr) 2006-11-21

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