WO2011098096A1 - Procédé de préparation d'huiles de mise en oeuvre ayant une faible teneur en aromates polycycliques et leur utilisation - Google Patents

Procédé de préparation d'huiles de mise en oeuvre ayant une faible teneur en aromates polycycliques et leur utilisation Download PDF

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Publication number
WO2011098096A1
WO2011098096A1 PCT/EP2010/000797 EP2010000797W WO2011098096A1 WO 2011098096 A1 WO2011098096 A1 WO 2011098096A1 EP 2010000797 W EP2010000797 W EP 2010000797W WO 2011098096 A1 WO2011098096 A1 WO 2011098096A1
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Prior art keywords
process oil
oil
extraction
oils
extract
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PCT/EP2010/000797
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German (de)
English (en)
Inventor
Nils Hansen
Jürgen Trimbach
Manfred Gliese
Harald Baumgart
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H&R International Gmbh
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Publication date
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Priority to PCT/EP2010/000797 priority Critical patent/WO2011098096A1/fr
Publication of WO2011098096A1 publication Critical patent/WO2011098096A1/fr

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
    • C10G53/00—Treatment of hydrocarbon oils, in the absence of hydrogen, by two or more refining processes
    • C10G53/02—Treatment of hydrocarbon oils, in the absence of hydrogen, by two or more refining processes plural serial stages only
    • C10G53/04—Treatment of hydrocarbon oils, in the absence of hydrogen, by two or more refining processes plural serial stages only including at least one extraction step
    • C10G53/06—Treatment of hydrocarbon oils, in the absence of hydrogen, by two or more refining processes plural serial stages only including at least one extraction step including only extraction steps, e.g. deasphalting by solvent treatment followed by extraction of aromatics
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
    • C10G21/00—Refining of hydrocarbon oils, in the absence of hydrogen, by extraction with selective solvents
    • C10G21/003—Solvent de-asphalting
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M101/00—Lubricating compositions characterised by the base-material being a mineral or fatty oil
    • C10M101/02—Petroleum fractions
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2203/00—Organic non-macromolecular hydrocarbon compounds and hydrocarbon fractions as ingredients in lubricant compositions
    • C10M2203/10—Petroleum or coal fractions, e.g. tars, solvents, bitumen
    • C10M2203/1006—Petroleum or coal fractions, e.g. tars, solvents, bitumen used as base material
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2203/00—Organic non-macromolecular hydrocarbon compounds and hydrocarbon fractions as ingredients in lubricant compositions
    • C10M2203/10—Petroleum or coal fractions, e.g. tars, solvents, bitumen
    • C10M2203/104—Aromatic fractions
    • C10M2203/1045—Aromatic fractions used as base material
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2020/00—Specified physical or chemical properties or characteristics, i.e. function, of component of lubricating compositions
    • C10N2020/01—Physico-chemical properties
    • C10N2020/065—Saturated Compounds
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
    • C10N2030/02—Pour-point; Viscosity index
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2070/00—Specific manufacturing methods for lubricant compositions

Definitions

  • the invention relates to a process for producing a refined, extracted and optionally dewaxed process oil, which comprises as a process step the extraction of a bright stock extract (RAE) or a mixture of a bright stock extract and one or more oils, wherein as product a process oil is obtained with a content of polycyclic aromatic ⁇ 3 wt .-%, and the use of the process oils produced by such a process.
  • RAE bright stock extract
  • Process oils are a plasticizer that has been used in rubbers for decades.
  • the process oils are hydrocarbon mixtures which boil in the lubricating oil sector, but are usually not used as or in conjunction with lubricating oils.
  • the process oils are extracted from petroleum refining.
  • the crude oil (1) is subjected to atmospheric distillation (2) to separate as distillate (3) (one or more) products which boil under normal pressure to about 350 ° C. These products are often referred to as gas, naphtha and / or kerosene.
  • distillate (3) one or more products which boil under normal pressure to about 350 ° C.
  • residue (4) after distilling off, a mixture of bitumen, asphaltenes, waxes and heavy oils is obtained.
  • the heavy oils are processed into various products, in addition to lubricating oils to the mentioned plasticizers. Since aromatic process oils are still relatively inexpensive as plasticizers, their use was not questionable until some time ago. The relatively inexpensive production is based on the fact that the aromatic process oils are obtained as a by-product in the production of base oils for lubricating oils.
  • Process oils are used in particular as additives for rubbers.
  • the group of rubbers is broad. Natural rubbers are elastic polymers based on plant products, especially latex. Through crosslinking, usually by vulcanization with sulfur, rubber is obtained from them. The most important natural rubber is polyisoprene.
  • rubbers In order to meet the growing demand for rubber and to eliminate various disadvantages, such as that natural rubbers often contain proteins that can be converted to AI-CONFIRMATION COPY lustries, rubbers have increasingly been synthetically produced.
  • Such synthetic rubbers are, for example, styrene-butadiene rubber (SBR), polybutadiene rubber (BR), ethylene-propylene-diene rubber (EPDM) and nitrile rubber (NBR).
  • SBR styrene-butadiene rubber
  • BR polybutadiene rubber
  • EPDM ethylene-propylene-diene rubber
  • NBR nitrile rubber
  • Various other synthetic rubbers based on different monomers are known
  • Plasticizers Since many rubbers crystallize and stiffen in the cold, special plasticizers are often used. Plasticizers also have other advantages. Since they are relatively small compared to the macromolecules of which the rubbers make up, they can interpose themselves between the chains and, as a kind of spacer, increase their mobility. They reduce the hardness and the tension values of the elastomeric rubbers. As a plasticizer for vehicle tires and to improve the elasticity, which in particular an increased slip resistance is associated, one uses in particular mineral oil plasticizers. Mineral oil plasticizers are also used to improve the damping properties of engineering rubber products. The process oils according to the invention can be used as plasticizers in rubbers.
  • PCA polycyclic aromatics
  • the PCA content describes the content of polycyclic aromatics which are extractable by DMSO (dimethyl sulfoxide).
  • the polycyclic aromatics include those aromatic hydrocarbons containing more than three fused aromatic rings. This includes heterocyclic compounds with sulfur and / or nitrogen. In addition, the rings may be substituted by alkyl and / or cycloalkyl groups.
  • the analytical determination of PCA is generally done by the method according to IP-346.
  • C A content of aromatic hydrocarbons:
  • the C A aromatics content refers to the ratio of the amount of carbon atoms that are part of aromatic rings to the amount of carbon atoms in the oil as a whole.
  • Aromatics content exist various methods, uA is often the method according to ASTM D 2140 used.
  • DAO deasphalted oil
  • a deasphalted oil (or deasphalted oil) is the product of a so-called deasphalting.
  • An extraction with saturated aliphatic hydrocarbons is carried out to remove the asphaltenes.
  • the asphaltenes consist predominantly of layers of condensed aromatic compounds which are connected to one another via aliphatic chains. Asphaltenes contain high levels of nitrogen and sulfur.
  • PCA polycyclic aromatics
  • Process oils as plasticizers for rubber mixtures with a low content of polycyclic aromatics of less than 3% by weight, determined by the IP-346 method, are known to the person skilled in the art.
  • Known process oils with a low PCA content are, for example, TDAE (Treaten Distillate Aromatic Extract) and MES (Mild Extracted Solvate).
  • Crude oil (1) is subjected to atmospheric distillation (2) to remove gas, naphtha and kerosene fractions (3).
  • the atmospheric residue (4) is removed by vacuum distillation (5) to a vacuum residue (7) and one or more distillates (6) ) separated.
  • the distillate (6) is then separated in an extraction (17) with a suitable solvent into a raffinate (18) and an extract (primary extract) (19). From the raffinate (18) base oil and waxes are obtained.
  • EP 1 148 112 A2 describes a process for preparing a process oil with a content of polycyclic aromatics ⁇ 3% by weight, in which process the residue of the vacuum distillation is used to obtain the desired product.
  • a crude oil is subjected to distillation under reduced pressure, with the end point of the distillate being at least 580 ° C under atmospheric pressure and boiling at least 450 ° C below atmospheric pressure.
  • the residual oil is deasphalted so that the carbon residue in the DAO reaches 1.6% or less.
  • refining takes place by solvent extraction under the condition that the yield is between 35 and 60%.
  • a process oil which has a high viscosity between 50 and 100 mm 2 / s, a C A value of 15 to 35% and a PCA content ⁇ 3 wt .-%, determined by the IP-346 method , contains.
  • a disadvantage of this process oil is that due to its high viscosity uniform distribution in the rubber or in the rubber mixture is difficult to achieve.
  • a process as described in EP 1 148 112 A2 due to the strong dependence of the C A value on the PCA content of the process oil, does not allow the production of a process oil with a very low content of polycyclic aromatics at a simultaneously very high C A value.
  • a very high C A value would be desirable as the miscibility and solvent power of the process oil in the rubber increases with increasing C A value.
  • An aromatic hydrocarbon content index is the aniline point of a process oil.
  • a high aniline point means a low content of aromatic hydrocarbons. However, the lower this content is, the lower the affinity of the oil to the rubber or to the rubber mixture.
  • the object of the invention is therefore to provide a process for the preparation of an improved process oil, wherein the process oil should have a content of polycyclic aromatics of ⁇ 3 wt .-% and the highest possible CA value and this process oil has a viscosity lower than 50 mm 2 / s than the aforementioned conventional process oils with a low PCA content.
  • the object is achieved by a method for producing a refined, extracted and possibly dewaxed process oil having a content of polycyclic aromatic ⁇ 3 wt .-%, determined by the IP-346 method, wherein first a bright stock extract according to the following steps are made:
  • step B) deasphalting the vacuum residue from step A (step B) by treating the vacuum residue, preferably in a deasphalting plant, whereby a deasphalted oil and a residue are obtained,
  • step C extraction of the deasphalted oil from step B in an extraction plant to give a bright stock extract and a raffinate (step C), which is then e.g. to be further processed by dewaxing to brightstock, characterized in that
  • step D) extracting the obtained bright stock extract (RAE) from step C or a mixture of the brightstock extract with one or more oils in a further process step D, for example in an extraction plant, resulting in a TRAE and a secondary extract.
  • the TRAE can then be mixed with other process oils (eg TDAEs) for the desired properties.
  • the secondary extract may also be mixed with other secondary extracts before step D is performed in the extraction plant, or the secondary extract may be mixed with other aromatic oils and extracted by a wide process step D.
  • Steps C and D can be carried out in the same or in different extraction plants.
  • the extraction equipment used to make TDAE from vacuum distillates may be the same or different from the extraction equipment.
  • TDAE Teated Distillate Aromatic Extract
  • Brightstock extract This is often referred to in the literature as RAE (Residual aromatic extract).
  • the brightstock extract is obtained by the following steps: vacuum distillation of a residue from atmospheric distillation, deasphalting of the vacuum residue and extraction of the deasphalted oil.
  • TRAE Teated residueal aromatic extract
  • the deasphalting of the vacuum residue is carried out with non-polar solvents, preferably in a propane deasphalting plant (PDA).
  • PDA propane deasphalting plant
  • DAO propane deasphalting plant
  • a temperature of at least 100 ° C is used in this extraction, so that the vacuum residue dissolves in the solvent.
  • the light hydrocarbon propane as solvent dissolves aliphatic components, but not the asphaltenes.
  • a PDA delivers a very high quality DAO.
  • DAO deasphalted oil
  • RAE brightstock extract
  • extraction countercurrent extraction is preferably carried out.
  • the extraction column used in this case can be designed in various ways.
  • polar solvents are used.
  • a solvent for the extraction of the brightstock extract or the mixture of a brightstock extract and one or more oils furfural, N-methylpyrrolidone and phenol are suitable. Particularly preferred furfural is used.
  • the product produced moreover has a C A value> 25%, preferably> 28%, determined by the method according to ASTM D 2140.
  • the method thus makes accessible a process oil which is not only free of labeling but also It is also particularly easy to distribute homogeneously in the rubber or in the rubber mixture.
  • a process oil is obtained as the product of the process according to the invention, which is referred to as TRAE.
  • oils with a higher PCA content are to be labeled for the indication of their toxic effect.
  • the method according to the invention thus gives a TRAE which is guaranteed free of labeling.
  • the second extraction which supplies the TRAE from the bright stock extract
  • the C A value should usually be greater than 20, preferably 25% by mass, in order to ensure good incorporation into the rubber matrix and good compatibility therewith.
  • Certain process oils have a too low C A (aromatics content) value, which also lowers the C A values below the requirements of compatible TDAEs by the methods of extraction to reduce PCA levels. This correlation of the two properties always goes hand in hand.
  • these process oils can also be processed by mixing with the brightstock extract to give a process oil having very good properties.
  • the ratio of Brightstock extract to less high-grade oil should preferably be about 20:80 to 70:30.
  • yields of process oils (TRAE or mixtures of TRAE and TDAE) of between 60 and 70% can be achieved.
  • the process oils produced by the process according to the invention are preferably used as plasticizer or extender oil for natural or synthetic rubber or rubber products, preferably for tires and / or technical rubber goods.
  • the rubber product / the rubber contains from 1 to 45 phr of plasticizer.
  • the unit “phr” is a unit common in the rubber industry and means “per hundred rubber”. 1 phr thus corresponds to one part by weight of a substance, in the present case a process oil as plasticizer, per 100 parts by weight of the total rubber.
  • a process oil produced by the process according to the invention can also be treated with a second process oil whose PCA content is ⁇ 3% by weight, determined by the IP-346 method, and whose C A value is> 25%, preferably ⁇ 28%, is, according to the method ASTM D 2140, mixed.
  • the mixing ratio is preferably between 10:90 TRAE to second process oil, more preferably 40:60 to 60:40.
  • This second process oil is preferably prepared by a process comprising the following process steps: 1. Distillation of a crude oil, 2. Extraction of the distillate obtained by step 1; 3. extraction of the extract obtained by step 2.
  • the inventive method is shown by way of example in FIG.
  • the process according to the invention follows, for example, a process for the recovery of TDAE, as is known from FIG.
  • a vacuum distillation of a crude oil is carried out to obtain a vacuum residue (7).
  • the deasphalting of the vacuum residue by treatment of the vacuum residue (7) in a deasphalting plant (8), wherein a deasphalted oil (9) and a residue (10) is obtained.
  • This is followed by extraction of the deasphalted oil (9) in an extraction plant (11) to obtain a bright stock Extract (13) and a raffinate (12).
  • the raffinate (12) can then be further processed eg by deproteinization to bright stock.
  • the obtained bright stock extract (13) (RAE) is extracted either in an extraction unit (14), resulting in a TRAE (15) and a secondary extract (16). Furthermore, the bright stock extract (13) may also be mixed with other extracts (19) before the extraction step (step D) is performed in the extraction plant (14), or the bright stock extract (13) may be mixed with other aromatic oils (23) and extracted by a further process step D.
  • a bright stock extract (RAE) was treated in a countercurrent extraction plant with the solvent furfurol.
  • RAE bright stock extract
  • a solvent ratio of 120% (furfurol based on RAE) at a column temperature and a pressure of 1 bar was used.
  • the speed of the rotor in the extraction column was 250 revolutions per minute.
  • the TRAE prepared according to Example 1 was mixed with a process oil of the MES (Mild Extracted Solvate) type.
  • the MES had a C A content (according to ASTM D 2140) of 9% and was therefore not well suited for rubber compounds.
  • the mixture was carried out in a ratio of 55% MES and 45% TRAE.
  • the essential data of the process oil of the type MES and the corresponding mixed product are listed in Table 2.
  • the blend has a C A content of 25% according to ASTM D 2140 and is thus well suited for rubber compounds.
  • the TRAE prepared according to Example 1 was mixed with a process oil of the type TDAE (Treated Distillate Aromatic Extract).
  • the TDAE had a C A content (according to ASTM D 2140) of 23% and was thus conditionally suitable for rubber compounds.
  • the mixture was carried out in a ratio of 80% TDAE and 20% TRAE.
  • the essential data of the TDAE process oil and the corresponding mixed product are listed in Table 3.
  • the blend has a C A content of 25% according to ASTM D 2140 and is thus well suited for rubber compounds.
  • the TRAE prepared according to Example 1 was mixed with another process oil of the type TDAE (Treated Distillate Aromatic Extract).
  • the TDAE had an already C A content (according to ASTM D 2140) of 25% and was thus well suited for rubber compounds.
  • the mixture was carried out in a ratio of 50% TDAE and 50% TRAE.
  • the essential data of the TDAE process oil and the corresponding mixed product are listed in Table 4. As can be seen from Table 4, the mixture has a C A content of 28% according to ASTM D 2140 and is thus outstandingly suitable for rubber mixtures.
  • a TDAE from a DAE was first prepared using a solvent ratio of 110% (furfurol / DAE) and a column temperature of 44 ° C.
  • the throughput in this example was 470 tons / day.
  • the non-marking process oil in this experiment is a mixture of a TDAE and a TRAE.
  • the essential properties of the starting materials and of the resulting non-marking process oil are summarized in Table 6.
  • the yield could be increased in this example by 2%, although only an admixture of 9% was carried out and the system throughput was increased by 67% This was surprising in that an increase in the plant throughput usually results in a lower yield.

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  • Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)

Abstract

L'invention concerne un procédé de préparation d'huiles de mise en oeuvre issues du raffinage d'huiles minérales, présentant de meilleures propriétés, le procédé comprenant l'extraction d'un extrait de Brightstock ou d'un mélange d'extrait de Brighstock composé d'un extrait de Brighstock et d'une ou plusieurs huiles. Les huiles de mise en oeuvre selon l'invention peuvent être employées comme plastifiants ou huiles diluantes pour des caoutchoucs ou des mélanges de caoutchoucs. Les huiles selon l'invention améliorent l'aptitude au traitement et la stabilité des produits de caoutchouc.
PCT/EP2010/000797 2010-02-10 2010-02-10 Procédé de préparation d'huiles de mise en oeuvre ayant une faible teneur en aromates polycycliques et leur utilisation WO2011098096A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/EP2010/000797 WO2011098096A1 (fr) 2010-02-10 2010-02-10 Procédé de préparation d'huiles de mise en oeuvre ayant une faible teneur en aromates polycycliques et leur utilisation

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Application Number Priority Date Filing Date Title
PCT/EP2010/000797 WO2011098096A1 (fr) 2010-02-10 2010-02-10 Procédé de préparation d'huiles de mise en oeuvre ayant une faible teneur en aromates polycycliques et leur utilisation

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WO2011098096A1 true WO2011098096A1 (fr) 2011-08-18

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014013399A1 (fr) * 2012-07-14 2014-01-23 Indian Oil Corporation Limited Procédé pour la production de diverses qualités de bitume en termes de viscosité
WO2016195609A1 (fr) * 2015-06-02 2016-12-08 Turkiye Petrol Rafinerileri A. S. Tupras Procédé de préparation de charge à partir d'extrait lourd pour unités d'hydrocraquage et de craquage catalytique fluide
CN106433766A (zh) * 2016-11-21 2017-02-22 中国海洋石油总公司 一种绿色芳烃油及其制备方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1992014779A1 (fr) * 1991-02-21 1992-09-03 Exxon Research And Engineering Company Huile de traitement de caoutchouc et produits de caoutchouc la contenant
GB2257156A (en) * 1991-06-25 1993-01-06 Exxon Research Engineering Co Process for producing bright stock from deasphalted resid and heavy distillate
EP0933418A2 (fr) * 1998-01-22 1999-08-04 Japan Energy Corporation Huile de processus pour caoutchouc et procédé pour sa production
US6103808A (en) * 1997-06-27 2000-08-15 Bridgestone Corporation High aromatic oil and rubber composition and oil extended synthetic rubber using the same
EP1148112A2 (fr) 2000-04-19 2001-10-24 Japan Energy Corporation Huile de processus pour caoutchouc, huile de base à haute viscosité et procédé pour leur préparation

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1992014779A1 (fr) * 1991-02-21 1992-09-03 Exxon Research And Engineering Company Huile de traitement de caoutchouc et produits de caoutchouc la contenant
GB2257156A (en) * 1991-06-25 1993-01-06 Exxon Research Engineering Co Process for producing bright stock from deasphalted resid and heavy distillate
US6103808A (en) * 1997-06-27 2000-08-15 Bridgestone Corporation High aromatic oil and rubber composition and oil extended synthetic rubber using the same
EP0933418A2 (fr) * 1998-01-22 1999-08-04 Japan Energy Corporation Huile de processus pour caoutchouc et procédé pour sa production
EP1148112A2 (fr) 2000-04-19 2001-10-24 Japan Energy Corporation Huile de processus pour caoutchouc, huile de base à haute viscosité et procédé pour leur préparation

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014013399A1 (fr) * 2012-07-14 2014-01-23 Indian Oil Corporation Limited Procédé pour la production de diverses qualités de bitume en termes de viscosité
WO2016195609A1 (fr) * 2015-06-02 2016-12-08 Turkiye Petrol Rafinerileri A. S. Tupras Procédé de préparation de charge à partir d'extrait lourd pour unités d'hydrocraquage et de craquage catalytique fluide
CN106433766A (zh) * 2016-11-21 2017-02-22 中国海洋石油总公司 一种绿色芳烃油及其制备方法
CN106433766B (zh) * 2016-11-21 2018-07-24 中国海洋石油集团有限公司 一种绿色芳烃油及其制备方法

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