NO820107L - FUEL ADDITION FOR DIESEL FUEL OIL - Google Patents

FUEL ADDITION FOR DIESEL FUEL OIL

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Publication number
NO820107L
NO820107L NO820107A NO820107A NO820107L NO 820107 L NO820107 L NO 820107L NO 820107 A NO820107 A NO 820107A NO 820107 A NO820107 A NO 820107A NO 820107 L NO820107 L NO 820107L
Authority
NO
Norway
Prior art keywords
oil
additive
calcium
iron
diesel fuel
Prior art date
Application number
NO820107A
Other languages
Norwegian (no)
Inventor
Bruce L Libutti
Rosanna L Pall
Francis J Oschell
Original Assignee
Drew Chem Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by Drew Chem Corp filed Critical Drew Chem Corp
Publication of NO820107L publication Critical patent/NO820107L/en

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    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
    • C10L10/00—Use of additives to fuels or fires for particular purposes
    • C10L10/02—Use of additives to fuels or fires for particular purposes for reducing smoke development
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
    • C10L1/00—Liquid carbonaceous fuels
    • C10L1/10—Liquid carbonaceous fuels containing additives
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
    • C10L1/00—Liquid carbonaceous fuels
    • C10L1/10—Liquid carbonaceous fuels containing additives
    • C10L1/12—Inorganic compounds
    • C10L1/1233—Inorganic compounds oxygen containing compounds, e.g. oxides, hydroxides, acids and salts thereof
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
    • C10L1/00—Liquid carbonaceous fuels
    • C10L1/10—Liquid carbonaceous fuels containing additives
    • C10L1/14—Organic compounds
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
    • C10L1/00—Liquid carbonaceous fuels
    • C10L1/10—Liquid carbonaceous fuels containing additives
    • C10L1/14—Organic compounds
    • C10L1/18—Organic compounds containing oxygen
    • C10L1/188—Carboxylic acids; metal salts thereof
    • C10L1/1886—Carboxylic acids; metal salts thereof naphthenic acid
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
    • C10L10/00—Use of additives to fuels or fires for particular purposes
    • C10L10/06—Use of additives to fuels or fires for particular purposes for facilitating soot removal
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
    • C10L1/00—Liquid carbonaceous fuels
    • C10L1/10—Liquid carbonaceous fuels containing additives
    • C10L1/14—Organic compounds
    • C10L1/24—Organic compounds containing sulfur, selenium and/or tellurium
    • C10L1/2431—Organic compounds containing sulfur, selenium and/or tellurium sulfur bond to oxygen, e.g. sulfones, sulfoxides
    • C10L1/2437—Sulfonic acids; Derivatives thereof, e.g. sulfonamides, sulfosuccinic acid esters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B3/00—Engines characterised by air compression and subsequent fuel addition
    • F02B3/06—Engines characterised by air compression and subsequent fuel addition with compression ignition
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B77/00—Component parts, details or accessories, not otherwise provided for
    • F02B77/04—Cleaning of, preventing corrosion or erosion in, or preventing unwanted deposits in, combustion engines

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  • Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Inorganic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Emergency Medicine (AREA)
  • Liquid Carbonaceous Fuels (AREA)
  • Solid Fuels And Fuel-Associated Substances (AREA)

Description

Oppfinnelsen vedrører forbedring av forbrenningen av en drivstoffolje i maskiner. The invention relates to improving the combustion of a fuel oil in machines.

Dieseldrivstoffoljer anvendes ofte for drift av kjøretøyer, spesielt automobilkjøretøyer (biler og truck), jernbane-maskiner og skip. Som et resultat av dagens energiproblemer er det et behov for å forbedre slike drivstoffs forbrenningseffektivitet. Diesel fuel oils are often used for the operation of vehicles, especially motor vehicles (cars and trucks), railway machines and ships. As a result of today's energy problems, there is a need to improve the combustion efficiency of such fuels.

I henhold til oppfinnelsen er det tilveiebragt en forbrenningsforbedrende tilsetning for dieseldrivstoffolje anvendt for drift av kjøretøyer og skip som omfattes av en oljeopp-løselig eler dispergerbar kalsiumforbindelse og en oljeopp-løselig eller dispergerbar jernforbindelse i en mengde effektiv til å forbedre forbrenningen av en dieseldrivstoffolje. According to the invention, a combustion-improving additive for diesel fuel oil used for the operation of vehicles and ships is provided which comprises an oil-soluble or dispersible calcium compound and an oil-soluble or dispersible iron compound in an amount effective to improve the combustion of a diesel fuel oil.

Videre tilveiebringes ifølge oppfinnelsen et forbedret drivstoff som er en dieseldrivstoffolje for drift av kjøretøyer eller skip hvori det er oppløst eller dispergert kalsium eller jern i en mengde effektiv til å forbedre for-brenningseffektiviteten av slik dieseldrivstoffolje. Furthermore, the invention provides an improved fuel which is a diesel fuel oil for the operation of vehicles or ships in which calcium or iron is dissolved or dispersed in an amount effective to improve the combustion efficiency of such diesel fuel oil.

Den drivstoffolje-oppløselige eller dispergerbare kalsiumforbindelse kan være en fra stor variasjon av forbindelser som er oppløselig eller dispergerbar i dieseldrivstoffolje. The fuel oil-soluble or dispersible calcium compound may be one of a wide variety of compounds which are soluble or dispersible in diesel fuel oil.

Som eksempel for egnede organiske og uorganiske kalsiumforbindelser som er oppløselige eller dispergerbare i diesel-drivstof f oljen kan det nevnes: As an example of suitable organic and inorganic calcium compounds which are soluble or dispersible in the diesel fuel oil, the following can be mentioned:

KalsiumsulfontatCalcium sulfonate

kalsiumnaftenatcalcium naphthenate

kalsiumkarboksylatcalcium carboxylate

kalsiumkarbonatcalcium carbonate

kalsiumhydroksyd.calcium hydroxide.

Den drivstoffolje-oppløselige eller, dispergerbare jernforbindelse kan velges blant en stor mengde forbindelser som er opp-løselige eller dispergerbare i dieseldrivstoffoljen. Som rep-reseantative eksempler på egnede organiske og .uorganiske jernforbindelser som er oppløselige eller dispergerbare i diesel-drivstof fol j e kan det nevnes: The fuel oil soluble or dispersible iron compound can be selected from a large number of compounds which are soluble or dispersible in the diesel fuel oil. As representative examples of suitable organic and inorganic iron compounds which are soluble or dispersible in diesel fuel, the following can be mentioned:

JernnaftenatIron naphthenate

ferrocenferrocene

jernoksyd.iron oxide.

Valg av en kombinasjon av oljeoppløselige eller dispergerbare kalsium og jernforbindelser for sen spesiell dieseldrivstoffolje kan utføres av fagfolk ut fra det som fremgår her. En fore-trukken kombinasjon er representert av kalsiumsulfonat og j ernnaftenat. Selection of a combination of oil-soluble or dispersible calcium and iron compounds for late special diesel fuel oil can be performed by those skilled in the art based on what appears herein. A preferred combination is represented by calcium sulphonate and iron naphthenate.

Det er funnet av bruk av en kombinasjon av jern og kalsiumforbindelse tilveiebringer en uventet forbedring i forbrenn-ingseffektiviteten av en dieseldrivstoffolje som anvendes for drift av kjøretøyer eller skip og som ikke kunne oppnås ved å bruke en av forbindelsene i fravær av den andre. Slik forbedret forbrenningseffektivitet fremgår av forbedret drivstoff-forbruk/mil og/eller forbedret motorrenhet og/eller forbedret røkundertrykkelse og/eller forbedret motoreffektivi-tet. It has been found that the use of a combination of an iron and calcium compound provides an unexpected improvement in the combustion efficiency of a diesel fuel oil used for the operation of vehicles or ships which could not be achieved by using one of the compounds in the absence of the other. Such improved combustion efficiency is evident from improved fuel consumption/mile and/or improved engine cleanliness and/or improved smoke suppression and/or improved engine efficiency.

Drivstofftilsetningene innbefatter jern og kalsiumforbindelserThe fuel additives include iron and calcium compounds

i effektive forbrenningsforbedrende mengder. Vanligvis er forholdet mellom kalsium og jern fra 0,01:1 til 100:1 og fortrinnsvis 1:1 til 10:1 (basert på vekt). Valget av et optimalt forhold for en spesiell anvendelse kan utføres av fagfolk ut fra det som fremgår av beskrivelsen. in effective combustion-enhancing amounts. Typically the ratio of calcium to iron is from 0.01:1 to 100:1 and preferably 1:1 to 10:1 (based on weight). The choice of an optimal ratio for a particular application can be carried out by professionals based on what appears in the description.

Drivstofftilsetningen anvendes fortrinnsvis som en flytende tilsetning omfattet av jern og kalsiumforbindelsen oppløst i en olje som er oppløselig i dieseldrivstoffoljen. Det kan anvendes en hvilken som helst olje blant stort antall og som representative eksempeler for slike oljer kan det nevnes: The fuel additive is preferably used as a liquid additive comprised of iron and the calcium compound dissolved in an oil which is soluble in the diesel fuel oil. Any oil among a large number can be used and as representative examples of such oils the following can be mentioned:

lett dieselolje, prosessoljer, naftenoljer.light diesel oil, process oils, naphthenic oils.

Det er funnet at bruk av slike'tilsetninger forbedrer for-brenningseffektiviteten av dieseldrivstoffoljen som det fremgår av redusert røkutvikling og/eller øket antall mil av oljen, og/eller forbedret maskinrenhet (redusert maskinavsetninger) og/eller forbedret maskineffektivitet. I tillegg er jern og kalsiumproduktene (jern og kalsiumoksyd) relativt få i motor-eksosen. Som et resultat oppnås forbedret forbrenning ved bruk av en tilsetning som igjen ikke vil påvirke omgivelsene. It has been found that the use of such additives improves the combustion efficiency of the diesel fuel oil as evidenced by reduced smoke generation and/or increased mileage of the oil, and/or improved engine cleanliness (reduced engine deposits) and/or improved engine efficiency. In addition, iron and the calcium products (iron and calcium oxide) are relatively few in the engine exhaust. As a result, improved combustion is achieved using an additive which, in turn, will not affect the environment.

Tilsetningen settes til dieseldrivstoffoljen for å tilveie-bringe en forbrenningsforbedrende mengde av jern og kalsium oppløst eller dispergert i dieseldrivstoffoljen. Vanligvis oppnås forbedret forbrenningseffektivitet ved anvendelse av minst 5 ppm av jern og minst 5 ppm av kalsium i dieseldrivstoffoljen (vektbasis). I de fleste tilfeller anvendes kalsium og jern i mengder på minst 50 ppm og minst 5 ppm, respektiv. Kalsium og jern tilsettes vanligvis ikke i en mengde overskytende 100 ppm og 100 ppm respektivt, idet det ikke oppnås noen ekstra effekt ved å øke mengden av tilsetningen. Valget av optimale mengder av tilsetningen kan foretas av fagfolk på området (som fremgår her). Tilsetningen kan også innbefatte andre komponenter som normalt settes til en dieseldrivstoffolje. Som representative eksempler på slike materialer kan det nevnes dispergeringsmidler og emmulgerings-midler. The additive is added to the diesel fuel oil to provide a combustion improving amount of iron and calcium dissolved or dispersed in the diesel fuel oil. Generally, improved combustion efficiency is achieved by using at least 5 ppm of iron and at least 5 ppm of calcium in the diesel fuel oil (by weight). In most cases, calcium and iron are used in amounts of at least 50 ppm and at least 5 ppm, respectively. Calcium and iron are not usually added in an amount in excess of 100 ppm and 100 ppm respectively, as no additional effect is achieved by increasing the amount of the addition. The choice of optimal amounts of the additive can be made by professionals in the field (as stated here). The additive may also include other components that are normally added to a diesel fuel oil. Dispersants and emulsifiers can be mentioned as representative examples of such materials.

Enskjønt tilsetningen kan anvendes for hvilken som helstAlthough the addition can be used for any

av en stor mengde dieseldrivstoffoljer er tilsetningen spesielt egnet for lett dieseldrivstoffolje for høyspeed maskiner (som arbeider ved over 550 omdreininger/min.) of a large amount of diesel fuel oils, the additive is particularly suitable for light diesel fuel oil for high-speed machines (operating at over 550 rev/min.)

som i automobil eller jernbanemaskin.as in an automobile or railway machine.

Oppfinnelsen skal forklares nærmere ved hjelp av noen eksempler . The invention will be explained in more detail with the help of some examples.

Eksempel 1Example 1

Det ble fremstilt en blanding ved å blande en oljeoppløselig kalsiumforbindelse (kalsiumsulfonat) og en oljeoppløselig jernforbindelse (jernnaftenat) i et vektforhold på 8:1 respektiv. Blandingen ble fortynnet med dieselolje for å danne en tilsetning inneholdende 4,8% alsium og 0,6% jern. Tilsetningen ble underkastet en uavhengig forsøkslaboratorie-undersøkelse for røkundertrykningsprøve. Resultatet fremgår av følgende: 1. Prøven ble utført med en Caterpillar 1Y73 prøvemaskin. Basisbrennstoffet var Howell hydrocarbons Cat. 1-G2. A mixture was prepared by mixing an oil-soluble calcium compound (calcium sulfonate) and an oil-soluble iron compound (iron naphthenate) in a weight ratio of 8:1 respectively. The mixture was diluted with diesel oil to form an additive containing 4.8% alsium and 0.6% iron. The additive was subjected to an independent experimental laboratory investigation for smoke suppression test. The result can be seen from the following: 1. The test was carried out with a Caterpillar 1Y73 test machine. The base fuel was Howell hydrocarbons Cat. 1-G2.

Et Boch <FAW-68A Røkmåler ble benyttet til å måle røk-tetthet. 2. To timers drift på basisbrensel ( Cat 1- G2) - Alle maskindriftsbetingelser ble opprettholdt med kontinuerlig kon-troll av motoreksosrøyk for å fastlegge en basislinje røknivå. 3. To timers drift på basisbrensel + tilsetning blandet ved 600:1 - (1 del tilsetning til 600 deler basisdrivstoff i volum). Med alle maskindriftsbetingelser opprettholdt konstant som med basisbrennstoff-forsøket ble brennstoffet byttet til en 600:1 blanding. Maskineksosrøk ble kontinuerlig kontrollert. 4. To timers drift på basisolje + tilsetning blandet ved 400:1 - (1 volumdel tilsetning til 400 volumdeler basisdrivstoff). Med alle maskindriftbetingelser opprettholdt konstant som ved basisdrivstoff-forsøket ble drivstoffet byttet til en 400:1 blanding. Motoreksosrøyken ble kontinuerlig kontrollert. A Boch <FAW-68A Smoke Meter was used to measure smoke density. 2. Two hours operation on base fuel (Cat 1- G2) - All engine operating conditions were maintained with continuous monitoring of engine exhaust smoke to establish a baseline smoke level. 3. Two hours of operation on base fuel + additive mixed at 600:1 - (1 part additive to 600 parts base fuel by volume). With all engine operating conditions held constant as with the base fuel experiment, the fuel was switched to a 600:1 mixture. Machine exhaust fumes were continuously checked. 4. Two hours of operation on base oil + additive mixed at 400:1 - (1 volume part additive to 400 volume parts base fuel). With all engine operating conditions maintained constant as in the base fuel experiment, the fuel was changed to a 400:1 mixture. The engine exhaust smoke was continuously checked.

MÅLT EKSOSRØKNIVÅMEASURED EXHAUST SMOKE LEVEL

Dataene viser en 34% reduksjon i røknivået ved anvendelse av tilsetningen. The data show a 34% reduction in the smoke level when using the additive.

Eksempel 2Example 2

Tilsetningen ble fremstilt ved å blande en oljeoppløselig kalsumforbindelse og en oljeoppløselig jernforbindelse i dieselolje som eksempel 1. Tilsetningen inneholdt 4,8 vekt% kalsium og 0,6 vekt% jern. Tilsetningen ble vurdert på trucker ved en doseringsgrad på 1 volumdel tilsetning til' 1000 volumdeler drivstoff. Tilsetningene ble vurdert for totalt 15 etterfølgende måneder. Truckmaskinene var Cummins 270 og Cummins 290. Mil pr. anvendt 3,7 liter drivstoff ble registrert på en dags basis. Et gjennomsnitt på 4,3% forbedring i antall mil pr. anvendt 3,7 liter drivstoff ble notert. The additive was prepared by mixing an oil-soluble calcium compound and an oil-soluble iron compound in diesel oil like Example 1. The additive contained 4.8% by weight calcium and 0.6% by weight iron. The additive was evaluated on trucks at a dosage rate of 1 volume part additive to 1000 volume parts fuel. The additions were assessed for a total of 15 subsequent months. The truck engines were Cummins 270 and Cummins 290. Miles per 3.7 liters of fuel used were recorded on a daily basis. An average of 4.3% improvement in the number of miles per used 3.7 liters of fuel was noted.

I tillegg etter 12 måneders bruk av tilsetningen bleIn addition, after 12 months of use of the additive,

en truck tatt ut av drift, og maskinen overhalt og inspisert. Det var ikke noen avsetninger på maskinens indre. a truck taken out of service, and the machine overhauled and inspected. There were no deposits on the inside of the machine.

Eksempel 3Example 3

En tilsetning ble fremstilt ved å blande en oljeoppløselig kalsiumforbindelse og en oljeoppløselig jernforbindelse i dieselolje som eksempel 1. Tilsetningen inneholdt 4,8 vekt% kalsium og 0,6 vekt% jern. Tilsetningen ble vurdert på trucker i en dosisgrad på 1 volumdel tilsetning til 100 volumdeler drivstoff. Tilsetningen ble vurdert i 10 etterfølgende måneder. Det ble notert antall mil pr. 3,7 liter anvendt drivstoff for hver tur. Truckmaskinen var Caterpillar 325. Et gjennomsnitt på 11,0% forbedring i antall mil pr. 3,7 liter anvendt drivstoff ble iakttatt. An additive was prepared by mixing an oil-soluble calcium compound and an oil-soluble iron compound in diesel oil as in Example 1. The additive contained 4.8 wt% calcium and 0.6 wt% iron. The additive was assessed on trucks at a dosage rate of 1 volume part additive to 100 volume parts fuel. The addition was assessed for 10 subsequent months. The number of miles per 3.7 liters of fuel used for each trip. The truck machine was a Caterpillar 325. An average of 11.0% improvement in the number of miles per 3.7 liters of used fuel were observed.

Det kan foretas modifikasjoner uten overskridelse av oppfinn-elsens ramme slik den fremgår av kravene. Modifications can be made without exceeding the scope of the invention as stated in the requirements.

Claims (7)

1. Forbrenningsforbedrende tilsetning for en dieseldrivstoffolje anvendt for drift av kjøretøyer og skip, karakterisert ved a) en oljeoppløselig eller dispergerbar kalsiumforbindelse, og b) en oljeoppløselig eller dispergerbar jernforbindelse, idet (a) og (b) er tilstede i en mengde som er effektiv til å forbedre forbrenningen av en dieseldrivstoffolje.1. Combustion-improving additive for a diesel fuel oil used for the operation of vehicles and ships, characterized by a) an oil-soluble or dispersible calcium compound, and b) an oil-soluble or dispersible iron compound, wherein (a) and (b) are present in an amount effective to improve the combustion of a diesel fuel oil. 2. Tilsetning ifølge krav 1, karakterisert ved at vektforholdet mellom kalsiumforbindelse og jernforbindelse er fra 0,01:1 til 100:1.2. Additive according to claim 1, characterized in that the weight ratio between calcium compound and iron compound is from 0.01:1 to 100:1. 3. Tilsetning' ifølge krav 1 eller 2, karakterisert ved at vektforholdet er fra 1:1 til 10:1.3. Addition' according to claim 1 or 2, characterized in that the weight ratio is from 1:1 to 10:1. 4. Tilsetning ifølge et av de foregående krav, karakterisert ved at kalsiumforbindelsen er kalsiumsulfonat.4. Additive according to one of the preceding claims, characterized in that the calcium compound is calcium sulphonate. 5. Tilsetning ifølge et av de foregående krav, karakterisert ved at jernforbindelsen er jernnaftenat.5. Additive according to one of the preceding claims, characterized in that the iron compound is iron naphthenate. 6. Tilsetning ifølge et av de foregående krav, karakterisert ved at tilsetningen er en flytende tilsetning og kalsium og jernforbindelsen er oppløst i en olje som er oppløselig i dieseldrivstoffoljen.6. An additive according to one of the preceding claims, characterized in that the additive is a liquid additive and the calcium and the iron compound are dissolved in an oil which is soluble in the diesel fuel oil. 7. Fremgangsmåte for å forbedre forbrenningen av en diesel-drivstof fol je , karakterisert ved tilsetning av en forbrenningsforbedrende tilsetning ifølge et av de foregående krav til dieseldrivstoffoljen.7. Method for improving the combustion of a diesel fuel oil, characterized by the addition of a combustion-improving additive according to one of the preceding claims for the diesel fuel oil.
NO820107A 1981-01-15 1982-01-14 FUEL ADDITION FOR DIESEL FUEL OIL NO820107L (en)

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US22538881A 1981-01-15 1981-01-15

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Country Link
JP (1) JPS57164190A (en)
BE (1) BE891782A (en)
CA (1) CA1180185A (en)
CH (1) CH648057A5 (en)
DE (1) DE3200588A1 (en)
DK (1) DK10182A (en)
FR (1) FR2497820B1 (en)
GB (1) GB2091291B (en)
IT (1) IT1149555B (en)
NL (1) NL8200067A (en)
NO (1) NO820107L (en)
SE (1) SE8200145L (en)

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ATE116678T1 (en) * 1987-04-23 1995-01-15 Bp Chemicals Additives FUEL COMPOSITION WITH AN ADDITIVE TO REDUCE VALVE SEAT KICKBACK.
FR2632966B1 (en) * 1988-06-21 1990-11-16 Bycosin Kemi Ab IRON HYDROXIDE DISPERSIONS USEFUL AS COMBUSTION ADDITIVES
FR2751662B1 (en) * 1996-07-29 1998-10-23 Total Raffinage Distribution MIXED ORGANOMETALLIC COMPOSITION COMPRISING AT LEAST THREE METALS AND THEIR APPLICATIONS AS ADDITIVES FOR FUELS OR FUELS
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CH648057A5 (en) 1985-02-28
IT1149555B (en) 1986-12-03
JPS57164190A (en) 1982-10-08
IT8219107A0 (en) 1982-01-14
NL8200067A (en) 1982-08-02
DE3200588A1 (en) 1982-08-26
DK10182A (en) 1982-07-16
SE8200145L (en) 1982-07-16
FR2497820A1 (en) 1982-07-16
GB2091291A (en) 1982-07-28
FR2497820B1 (en) 1986-09-26
CA1180185A (en) 1985-01-02
BE891782A (en) 1982-04-30
GB2091291B (en) 1985-07-17

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