WO2013189953A1 - Lubricating oil compositions comprising heavy fischer - tropsch derived and alkylated aromatic base oil - Google Patents
Lubricating oil compositions comprising heavy fischer - tropsch derived and alkylated aromatic base oil Download PDFInfo
- Publication number
- WO2013189953A1 WO2013189953A1 PCT/EP2013/062668 EP2013062668W WO2013189953A1 WO 2013189953 A1 WO2013189953 A1 WO 2013189953A1 EP 2013062668 W EP2013062668 W EP 2013062668W WO 2013189953 A1 WO2013189953 A1 WO 2013189953A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- base oil
- extra heavy
- heavy base
- lubricating composition
- alkylated aromatic
- Prior art date
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- 239000002199 base oil Substances 0.000 title claims abstract description 157
- 239000000203 mixture Substances 0.000 title claims abstract description 120
- 125000003118 aryl group Chemical group 0.000 title claims abstract description 68
- 239000010687 lubricating oil Substances 0.000 title description 2
- 230000001050 lubricating effect Effects 0.000 claims abstract description 58
- 238000000034 method Methods 0.000 claims abstract description 41
- 238000002156 mixing Methods 0.000 claims abstract description 10
- 238000004519 manufacturing process Methods 0.000 claims abstract description 5
- UFWIBTONFRDIAS-UHFFFAOYSA-N Naphthalene Chemical compound C1=CC=CC2=CC=CC=C21 UFWIBTONFRDIAS-UHFFFAOYSA-N 0.000 claims description 30
- 238000009835 boiling Methods 0.000 claims description 29
- 150000002430 hydrocarbons Chemical class 0.000 claims description 25
- 229930195733 hydrocarbon Natural products 0.000 claims description 24
- 239000004215 Carbon black (E152) Substances 0.000 claims description 17
- 125000004432 carbon atom Chemical group C* 0.000 claims description 16
- 150000001875 compounds Chemical class 0.000 claims description 13
- 150000002790 naphthalenes Chemical class 0.000 claims description 12
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 claims description 9
- 239000002243 precursor Substances 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 2
- 125000000217 alkyl group Chemical group 0.000 description 40
- 239000003054 catalyst Substances 0.000 description 33
- 230000008569 process Effects 0.000 description 26
- 239000000047 product Substances 0.000 description 25
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 24
- 239000010457 zeolite Substances 0.000 description 22
- 239000001993 wax Substances 0.000 description 19
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 18
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 16
- 229910021536 Zeolite Inorganic materials 0.000 description 15
- 239000003921 oil Substances 0.000 description 15
- 239000011230 binding agent Substances 0.000 description 13
- -1 for example fluorine Chemical class 0.000 description 13
- 230000015572 biosynthetic process Effects 0.000 description 12
- 230000003197 catalytic effect Effects 0.000 description 11
- 238000003786 synthesis reaction Methods 0.000 description 10
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 9
- 239000000654 additive Substances 0.000 description 9
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 9
- 238000011084 recovery Methods 0.000 description 9
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 8
- 230000002378 acidificating effect Effects 0.000 description 8
- 238000006243 chemical reaction Methods 0.000 description 8
- 239000000463 material Substances 0.000 description 8
- 230000001590 oxidative effect Effects 0.000 description 8
- 239000000377 silicon dioxide Substances 0.000 description 8
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 7
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 7
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 7
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 7
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 7
- 238000004821 distillation Methods 0.000 description 7
- 229910052739 hydrogen Inorganic materials 0.000 description 7
- 239000001257 hydrogen Substances 0.000 description 7
- 229910052751 metal Inorganic materials 0.000 description 7
- 239000002184 metal Substances 0.000 description 7
- 239000002808 molecular sieve Substances 0.000 description 7
- 238000005804 alkylation reaction Methods 0.000 description 6
- 150000001555 benzenes Chemical class 0.000 description 6
- 238000006317 isomerization reaction Methods 0.000 description 6
- 229910052697 platinum Inorganic materials 0.000 description 6
- 238000004517 catalytic hydrocracking Methods 0.000 description 5
- 238000009826 distribution Methods 0.000 description 5
- 239000012530 fluid Substances 0.000 description 5
- 239000007789 gas Substances 0.000 description 5
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 5
- 239000000314 lubricant Substances 0.000 description 5
- 239000002904 solvent Substances 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 4
- 239000005864 Sulphur Substances 0.000 description 4
- 239000008186 active pharmaceutical agent Substances 0.000 description 4
- 230000000996 additive effect Effects 0.000 description 4
- 150000001336 alkenes Chemical class 0.000 description 4
- 230000029936 alkylation Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 4
- 229910052799 carbon Inorganic materials 0.000 description 4
- 239000012876 carrier material Substances 0.000 description 4
- 238000009472 formulation Methods 0.000 description 4
- 150000002739 metals Chemical class 0.000 description 4
- 229910052759 nickel Inorganic materials 0.000 description 4
- 229910052757 nitrogen Inorganic materials 0.000 description 4
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 229910000323 aluminium silicate Inorganic materials 0.000 description 3
- 150000001491 aromatic compounds Chemical class 0.000 description 3
- 238000006356 dehydrogenation reaction Methods 0.000 description 3
- 239000000446 fuel Substances 0.000 description 3
- 229910044991 metal oxide Inorganic materials 0.000 description 3
- 150000004706 metal oxides Chemical class 0.000 description 3
- 229910052763 palladium Inorganic materials 0.000 description 3
- 229930195734 saturated hydrocarbon Natural products 0.000 description 3
- 239000010723 turbine oil Substances 0.000 description 3
- 150000001298 alcohols Chemical class 0.000 description 2
- 150000001348 alkyl chlorides Chemical class 0.000 description 2
- 239000002168 alkylating agent Substances 0.000 description 2
- 229940100198 alkylating agent Drugs 0.000 description 2
- 239000002518 antifoaming agent Substances 0.000 description 2
- 239000003963 antioxidant agent Substances 0.000 description 2
- 235000006708 antioxidants Nutrition 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 239000004927 clay Substances 0.000 description 2
- 229910017052 cobalt Inorganic materials 0.000 description 2
- 239000010941 cobalt Substances 0.000 description 2
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 125000000753 cycloalkyl group Chemical group 0.000 description 2
- 238000009795 derivation Methods 0.000 description 2
- 238000002397 field ionisation mass spectrometry Methods 0.000 description 2
- 238000005194 fractionation Methods 0.000 description 2
- YBMRDBCBODYGJE-UHFFFAOYSA-N germanium dioxide Chemical compound O=[Ge]=O YBMRDBCBODYGJE-UHFFFAOYSA-N 0.000 description 2
- 125000005842 heteroatom Chemical group 0.000 description 2
- 230000001939 inductive effect Effects 0.000 description 2
- 239000003112 inhibitor Substances 0.000 description 2
- 239000013067 intermediate product Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 2
- 125000000325 methylidene group Chemical group [H]C([H])=* 0.000 description 2
- SNVLJLYUUXKWOJ-UHFFFAOYSA-N methylidenecarbene Chemical group C=[C] SNVLJLYUUXKWOJ-UHFFFAOYSA-N 0.000 description 2
- 125000001624 naphthyl group Chemical group 0.000 description 2
- NGHTXZCKLWZPGK-UHFFFAOYSA-N nefiracetam Chemical compound CC1=CC=CC(C)=C1NC(=O)CN1C(=O)CCC1 NGHTXZCKLWZPGK-UHFFFAOYSA-N 0.000 description 2
- 230000002085 persistent effect Effects 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 230000002195 synergetic effect Effects 0.000 description 2
- 238000005292 vacuum distillation Methods 0.000 description 2
- 238000000214 vapour pressure osmometry Methods 0.000 description 2
- QNLZIZAQLLYXTC-UHFFFAOYSA-N 1,2-dimethylnaphthalene Chemical compound C1=CC=CC2=C(C)C(C)=CC=C21 QNLZIZAQLLYXTC-UHFFFAOYSA-N 0.000 description 1
- INUWBHWKAMVTNU-UHFFFAOYSA-N 1-ethyl-2-methylnaphthalene Chemical compound C1=CC=C2C(CC)=C(C)C=CC2=C1 INUWBHWKAMVTNU-UHFFFAOYSA-N 0.000 description 1
- 238000001644 13C nuclear magnetic resonance spectroscopy Methods 0.000 description 1
- 239000005995 Aluminium silicate Substances 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 241001248539 Eurema lisa Species 0.000 description 1
- 239000005069 Extreme pressure additive Substances 0.000 description 1
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 1
- 241000285023 Formosa Species 0.000 description 1
- 238000005727 Friedel-Crafts reaction Methods 0.000 description 1
- 229910021578 Iron(III) chloride Inorganic materials 0.000 description 1
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 150000004996 alkyl benzenes Chemical class 0.000 description 1
- 235000012211 aluminium silicate Nutrition 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 239000007866 anti-wear additive Substances 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 238000005899 aromatization reaction Methods 0.000 description 1
- LTPBRCUWZOMYOC-UHFFFAOYSA-N beryllium oxide Inorganic materials O=[Be] LTPBRCUWZOMYOC-UHFFFAOYSA-N 0.000 description 1
- DSSYKIVIOFKYAU-UHFFFAOYSA-N camphor Chemical compound C1CC2(C)C(=O)CC1C2(C)C DSSYKIVIOFKYAU-UHFFFAOYSA-N 0.000 description 1
- 150000001722 carbon compounds Chemical class 0.000 description 1
- 150000001735 carboxylic acids Chemical class 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000003599 detergent Substances 0.000 description 1
- GUJOJGAPFQRJSV-UHFFFAOYSA-N dialuminum;dioxosilane;oxygen(2-);hydrate Chemical compound O.[O-2].[O-2].[O-2].[Al+3].[Al+3].O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O GUJOJGAPFQRJSV-UHFFFAOYSA-N 0.000 description 1
- 235000014113 dietary fatty acids Nutrition 0.000 description 1
- 125000004177 diethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical class OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 1
- 239000003085 diluting agent Substances 0.000 description 1
- 125000000118 dimethyl group Chemical group [H]C([H])([H])* 0.000 description 1
- DMBHHRLKUKUOEG-UHFFFAOYSA-N diphenylamine Chemical class C=1C=CC=CC=1NC1=CC=CC=C1 DMBHHRLKUKUOEG-UHFFFAOYSA-N 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 238000011143 downstream manufacturing Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 239000000194 fatty acid Substances 0.000 description 1
- 229930195729 fatty acid Natural products 0.000 description 1
- 150000004665 fatty acids Chemical class 0.000 description 1
- 229910001657 ferrierite group Inorganic materials 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 229940104869 fluorosilicate Drugs 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 229940119177 germanium dioxide Drugs 0.000 description 1
- 239000003102 growth factor Substances 0.000 description 1
- 150000002366 halogen compounds Chemical class 0.000 description 1
- 238000005984 hydrogenation reaction Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 description 1
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 1
- 239000006078 metal deactivator Substances 0.000 description 1
- 230000000116 mitigating effect Effects 0.000 description 1
- 239000003607 modifier Substances 0.000 description 1
- 125000002950 monocyclic group Chemical group 0.000 description 1
- 229910052901 montmorillonite Inorganic materials 0.000 description 1
- 229910052680 mordenite Inorganic materials 0.000 description 1
- 239000010705 motor oil Substances 0.000 description 1
- 150000005002 naphthylamines Chemical class 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- 238000006384 oligomerization reaction Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000012188 paraffin wax Substances 0.000 description 1
- 230000002688 persistence Effects 0.000 description 1
- 125000003367 polycyclic group Chemical group 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 239000003870 refractory metal Substances 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000007655 standard test method Methods 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
- 239000004711 α-olefin Substances 0.000 description 1
Classifications
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- 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
- C10M143/00—Lubricating compositions characterised by the additive being a macromolecular hydrocarbon or such hydrocarbon modified by oxidation
-
- 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
- C10M111/00—Lubrication compositions characterised by the base-material being a mixture of two or more compounds covered by more than one of the main groups C10M101/00 - C10M109/00, each of these compounds being essential
- C10M111/02—Lubrication compositions characterised by the base-material being a mixture of two or more compounds covered by more than one of the main groups C10M101/00 - C10M109/00, each of these compounds being essential at least one of them being a non-macromolecular organic compound
-
- 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
- C10M145/00—Lubricating compositions characterised by the additive being a macromolecular compound containing oxygen
- C10M145/02—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C10M145/10—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing monomers having an unsaturated radical bound to a carboxyl radical, e.g. acrylate
-
- 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
- C10M169/00—Lubricating compositions characterised by containing as components a mixture of at least two types of ingredient selected from base-materials, thickeners or additives, covered by the preceding groups, each of these compounds being essential
-
- 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
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2205/00—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions
- C10M2205/17—Fisher Tropsch reaction products
- C10M2205/173—Fisher Tropsch reaction products 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
- C10M2205/00—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions
- C10M2205/22—Alkylation reaction products with aromatic type compounds, e.g. Friedel-crafts
- C10M2205/223—Alkylation reaction products with aromatic type compounds, e.g. Friedel-crafts 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
- C10N2020/011—Cloud point
-
- 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
- C10N2020/02—Viscosity; 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
- 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
- C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
- C10N2030/10—Inhibition of oxidation, e.g. anti-oxidants
-
- 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
- C10N2030/70—Soluble oils
-
- 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
- C10N2040/00—Specified use or application for which the lubricating composition is intended
- C10N2040/04—Oil-bath; Gear-boxes; Automatic transmissions; Traction drives
-
- 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
- C10N2040/00—Specified use or application for which the lubricating composition is intended
- C10N2040/08—Hydraulic fluids, e.g. brake-fluids
-
- 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
- C10N2040/00—Specified use or application for which the lubricating composition is intended
- C10N2040/25—Internal-combustion engines
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- 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
- C10N2040/00—Specified use or application for which the lubricating composition is intended
- C10N2040/30—Refrigerators lubricants or compressors lubricants
Definitions
- the invention relates to lubricating compositions comprising Fischer-Tropsch extra heavy base oil.
- the invention relates to lubricating compositions comprising a Fischer-Tropsch derived base oil with waxy haze components, which
- waxy hydrocarbon feeds including those synthesized from gaseous components such as CO and H 2 , especially Fischer-Tropsch waxes, are suitable for conversion/treatment into lubricating base oils by subjecting such waxy feeds to hydrodewaxing or hydroisomerization/catalytic (and/or solvent) dewaxing whereby long chain normal-paraffins and slightly branched paraffins are removed and/or rearranged/isomerized into more heavily branched iso-paraffins of reduced pour and cloud point.
- Lubricating base oils produced by the conversion/treatment of waxy hydrocarbon feeds of the type synthesized from gaseous components i.e. from
- Fischer-Tropsch feedstocks are referred to herein as Fischer-Tropsch derived base oils, or simply FT base oils .
- FT base oils may vary considerably. They may have a kinematic viscosity at 100°C according to
- VK 100 ASTM D445 (VK 100) of at least about 3 mm 2 /s (cSt), e.g. about 5 mm 2 /s, or about 7 mm 2 /s, or about 14 mm 2 /s.
- FT residual base oils with a VK 100 of at least 15 mm 2 /s are often referred to in the art as FT extra heavy base oils.
- Some FT extra heavy base oils may even have a VK 100 of at least 17 mm /s, or at least 20 mm /s or at least 25 mm 2 / s .
- FT residual base oils Fischer- Tropsch residual (or bottoms) derived lubricating base oils
- Such FT residual base oils are often FT extra heavy base oils and are obtained from a residual (or bottoms) fraction resulting from distillation of an at least partly isomerised Fischer-Tropsch feedstock.
- the at least partly isomerised Fischer-Tropsch feedstock may itself have been subjected to processing, such as dewaxing, before distillation.
- the residual base oil may be obtained directly from the residual fraction, or indirectly by processing, such as dewaxing.
- a residual base oil may be free from distillate, i.e. from side stream product recovered either from an atmospheric fractionation column or from a vacuum column.
- FT extra heavy base oils particularly FT residual extra heavy base oils, have found use in a number of lubricant applications on account of their excellent properties, such as their beneficial viscometric
- Waxy haze may be inferred or measured in a number of ways.
- the presence of waxy haze may for instance be measured according to ASTM D4176-04 which determines whether or not a fuel or lubricant conforms with a "clear and bright" standard. Whilst ASTM D4176-04 is written for fuels, it functions too for base oils.
- the presence or extent of waxy haze may also be quantified as turbidity using nephelometric turbidity units (NTU) , measured for example as described in US2011/0083995.
- NTU nephelometric turbidity units
- Waxy haze in FT residual base oils which can also adversely affect the filterability of the oils, results from the presence of long carbon chain length paraffins, which have not been sufficiently isomerised (or cracked) .
- residual fractions are typically subjected to one or more catalytic and/or solvent dewaxing steps. Such dewaxing steps are highly effective in lowering the pour point and cloud point in the resulting FT residual base oils, and under some conditions can also help to mitigate or eliminate haze, especially when combined with filtering.
- the invention resides in a lubricating composition
- a lubricating composition comprising a FT extra heavy base oil and an alkylated aromatic blendstock, wherein the FT extra heavy base oil has a kinematic viscosity at 100°C in the range of from 19 to 35 mm 2 /s.
- the FT extra heavy base oil and the alkylated aromatic blendstock act in synergy to provide a lubricating composition with good lubricating properties and stability in which waxy haze formation is mitigated.
- the alkylated aromatic blendstock has been found to solubilise waxy haze in FT extra heavy base oil, including in FT residual extra heavy base oils made from heavy waxy hydrocarbon feeds.
- the FT extra heavy base oil greatly enhances the lubricating properties of the composition .
- the invention embraces a method of making a lubricating composition, the method comprising blending a FT extra heavy base oil and an alkylated aromatic blendstock.
- the invention resides in the use of an alkylated aromatic blendstock for the purpose of reducing waxy haze in a FT extra heavy base oil, or in a precursor composition comprising a FT extra heavy base oil.
- the use may comprise blending the alkylated
- the invention resides in a method of reducing waxy haze in a FT extra heavy base oil, or in a precursor composition comprising a FT extra heavy base oil, the method comprising blending an
- alkylated aromatic blendstock with the FT extra heavy base oil or the precursor composition to form a
- the invention resides in use of a lubricating composition comprising a FT extra heavy base oil and an alkylated aromatic blendstock for
- an engine e.g. compression ignition engine
- an industrial machine such as a
- a first essential component of the invention is the FT extra heavy base oil component.
- the "FT extra heavy base oil” is a Fischer-Tropsch derived hydrocarbons base oil product comprising saturated paraffin molecules. On account of being an extra heavy oil, it is typically prone to the formation of waxy haze.
- the FT extra heavy base oil may be characterised by one or more of the features described herein below, with no additional limiting technical meaning being attributed to the label "extra heavy”.
- the FT extra heavy base oil may typically comprise at least 95 wt% saturated hydrocarbon molecules.
- the FT extra heavy base oil is prepared from a Fischer-Tropsch wax and comprises more than 98 wt% of saturated hydrocarbons. Preferably at least 85 wt%, more preferably at least 90 wt%, yet more preferably at least 95 wt%, and most preferably at least 98 wt% of these saturated hydrocarbon molecules are isoparaffinic .
- At least 85 wt% of the saturated, paraffinic hydrocarbons are non-cyclic hydrocarbons.
- Naphthenic compounds (paraffinic cyclic hydrocarbons) are preferably present in an amount of no more than 15 wt%, more
- the FT extra heavy base oil suitably contains hydrocarbon molecules having consecutive numbers of carbon atoms, such that it comprises a continuous series of consecutive iso-paraffins, i.e. iso-paraffins having n, n+1, n+2, n+3 and n+4 carbon atoms.
- This series is a consequence of the Fischer-Tropsch hydrocarbon synthesis reaction from which the extra heavy base oil derives, following isomerisation of the wax feed.
- the FT extra heavy base oil is typically a liquid at the temperature and pressure conditions of use and typically, although not always, under standard ambient temperature and pressure.
- the inventors have found that the extent of waxy haze in FT extra heavy base oils tends to increase with high viscosity, high boiling points, a high proportion of C30+ molecules, a high cloud point, a high pour point, a relatively low degree of isomerisation, derivation of the oil from residual fractions rather than distillates, derivation of the oil from particularly heavy waxy hydrocarbon feeds, and catalytic dewaxing as opposed to solvent dewaxing.
- the persistence of haze, particularly in the context of dewaxing may also be linked to these factors.
- the kinematic viscosity at 100 °C according to ASTM D445 (VK 100) of the FT extra heavy base oil may
- VK 100 typically be at least 15 mm 2 /s.
- its VK 100 may be at least 17 mm 2 /s, more preferably at least 18 mm 2 /s, yet more preferably at least 19 mm 2 /s, again more preferably at least 22 mm 2 /s, and yet again more
- the VK100 may be at most 100 mm 2 /s, or even at most 80 mm 2 /s or at most 50 mm 2 /s, or even at most 35 mm 2 /s.
- the kinematic viscosity at 40 °C according to ASTM D445 (VK 40) of the alkylated aromatic blendstock may optionally be in the range of from 20 mm 2 /s to 300 mm 2 /s, preferably in the range of from 100 mm 2 /s to 250 mm 2 /s.
- the viscosity index of the FT extra heavy base oil is preferably greater than 140, and preferably below 170.
- the FT extra heavy base oil may have a lower boiling point (T5 or 5% off) of at least 420°C. More preferably, its lower boiling point (T5 or 5% off) may be at least
- An upper boiling point (T80 or 80% off) of the FT extra heavy base oil may be at least 600°C. More preferably, its upper boiling point (T80) may be at least 620 °C, yet more preferably at least 640 °C.
- the lower and upper boiling point values referred to herein are nominal and refer to the T5 and T80 boiling temperatures obtained by gas chromatograph simulated distillation (GCD) according to ASTM D-7169.
- any boiling range distributions of samples are measured herein according to ASTM D-7169. Since Fischer- Tropsch derived hydrocarbons comprise a mixture of varying molecular weight components having a wide boiling range, this disclosure refers to recovery points of boiling ranges. For example, a 10 wt% recovery point refers to that temperature at which 10 wt% of the
- hydrocarbons present within that cut will vaporise at atmospheric pressure, and could thus be recovered.
- a 90 wt% recovery point refers to the
- boiling range between the 10 wt% and 90 wt% recovery boiling points is referred to in this specification .
- the FT extra heavy base oil may preferably contain at least 95 wt% C30+ hydrocarbon molecules. More
- the FT extra heavy base oil may contain at least 75 wt% of C35+ hydrocarbon molecules.
- Cloud point refers to the temperature at which a sample begins to develop a haze, as determined according to ASTM D-5773.
- the FT extra heavy base oil may have a cloud point in the range of from +60°C to +5°C.
- the FT extra heavy base oil has a cloud point in the range of from +50°C and +10°C, more preferably in the range of from +45°C and +15°C, more preferably in the range of from +40°C and +20°C and most preferably in the range of from +31°C and +20°C.
- Point refers to the temperature at which a sample will begin to flow under carefully controlled conditions.
- the pour points referred to herein were determined according to ASTM D-97-93.
- the FT extra heavy base oil may have a pour point of -9°C or lower,
- the FT extra heavy base oil may have been subjected to relatively mild dewaxing to result in a pour point higher than -30°C, e.g. at least -15°C, such as in the range of from -12°C to 0°C.
- the FT extra heavy base oil can further be
- the FT extra heavy base oil can be characterised by its content of different carbon species. More particularly, the FT extra heavy base oil can be characterised by the percentage of its epsilon methylene carbon atoms, i.e. the percentage of recurring methylene carbons which are four or more carbons removed from the nearest end group and also from the nearest branch
- CH2>4 (further referred to as CH2>4) as compared to the
- isopropyl ratio of 8.2 or below may also suffer from persistent haze and hence surprisingly benefit from the invention .
- Branching in the FT extra heavy base oil may also be expressed as an average degree of branching.
- Such an average degree of branching of the FT extra heavy base oil may in some embodiments be in the range of from 6.5 to about 10 alkyl branches per 100 carbon atoms, as disclosed in US 7,053,254. In other embodiments, the average degree of branching in the molecules may be above 10 alkyl branches per 100 carbon atoms, as determined in line with the method disclosed in US-A-7053254.
- blending component can conveniently be determined by analysing a sample of the oil using 13 C-NMR, vapour pressure osmometry (VPO) and field ionisation mass spectrometry (FIMS), as described in US 8,152,869.
- VPO vapour pressure osmometry
- FIMS field ionisation mass spectrometry
- the FT extra heavy base oil may typically have a viscosity index (ASTM D-2270) of between 120 and 180. It will preferably contain no or very little sulphur and nitrogen containing compounds. This is typical for a product derived from a Fischer-Tropsch reaction, which uses synthesis gas containing almost no heteroatom impurities.
- the FT extra heavy base oil comprises sulphur, nitrogen and metals in the form of hydrocarbon compounds containing them, in amounts of less than 50 ppmw (parts per million by weight), more
- sulphur and nitrogen at levels generally below the detection limits, which are currently 5 ppmw for sulphur and 1 ppmw for nitrogen, when using, for instance, X-ray or 'Antek' Nitrogen tests for determination.
- the FT extra heavy base oil is preferably a FT residual base oil, i.e. obtained from a residual or high vacuum bottoms fraction from the hydrocarbons produced during a Fischer-Tropsch synthesis reaction.
- this fraction is a distillation residue comprising the highest molecular weight compounds still present in the product after a hydroisomerisation step.
- the 10 wt% recovery boiling point of said fraction is preferably above 370°C, more preferably above 400°C and most preferably above 480 °C for certain embodiments of the present invention.
- 365/97 is suitably from about 700 to 1100 kg/m 3 ,
- the FT extra heavy base oil component may contain a mixture of two or more FT extra heavy base oils.
- a Fischer-Tropsch derived residual fraction or bottoms product is suitably prepared.
- the isomerised bottoms product may undergo further downstream processes, for example hydrocracking, hydrotreating and/or hydrofinishing . It is preferably subjected to a dewaxing step, either by solvent or more preferably by catalytic dewaxing, as described below, which serves further to reduce its pour point.
- a dewaxing step either by solvent or more preferably by catalytic dewaxing, as described below, which serves further to reduce its pour point.
- a FT residual extra heavy base oil will still have a residual wax haze due to the extremely high molecular weight molecules which the dewaxing process cannot completely remove.
- a FT extra heavy base oil for use in the present invention may be prepared by any suitable
- the FT extra heavy base oil component (b) is a heavy bottom fraction obtained from a Fischer-Tropsch derived wax or waxy raffinate feed by: a) hydrocracking/hydroisomerising a Fischer-Tropsch derived feed, wherein at least 20 wt% of compounds in the Fischer-Tropsch derived feed have at least 30 carbon atoms, b) separating the product of step (a) into one or more distillate fraction (s) and a residual heavy fraction, preferably comprising at least 10 wt% of compounds boiling above 540°C;
- step (d) isolating from the effluent of step (c) , preferably as a residual heavy fraction, the Fischer-Tropsch derived paraffinic heavy base oil component.
- the Fischer-Tropsch derived product fractions may undergo various other operations, such as hydrocracking,
- the feed from step (a) is a Fischer-Tropsch derived product.
- the initial boiling point of the Fischer-Tropsch derived product is a Fischer-Tropsch derived product.
- Tropsch product may be up to 400°C.
- Fischer-Tropsch process An example of a suitable Fischer-Tropsch process is described in WO-A-99/34917 and in AU-A-698391.
- the disclosed processes yield a Fischer-Tropsch product as described above.
- the Fischer-Tropsch product can be obtained by well-known processes, for example the so- called Sasol process, the Shell Middle Distillate
- Fischer-Tropsch process will generally comprise a
- Fischer-Tropsch synthesis and a hydroisomerisation step, as described in these publications.
- the Fischer-Tropsch synthesis can be performed on synthesis gas prepared from any sort of hydrocarbonaceous material such as coal, natural gas or biological matter such as wood or hay.
- the Fischer-Tropsch product directly obtained from a Fischer-Tropsch process contains a waxy fraction that is normally a solid at room temperature.
- the feed to the hydroisomerisation step (a) is preferably a Fischer-Tropsch product which has at least 30 wt%, preferably at least 50 wt%, and more preferably at least - 55 wt% of compounds having at least 30 carbon atoms. Furthermore the weight ratio, in this feed, of compounds having at least 60 carbon atoms to those having at least 30 but fewer than 60 carbon atoms is preferably at least 0.2, more preferably at least 0.4 and most preferably at least 0.55. If the feed has a 10 wt% recovery boiling point of above 500°C, the wax content will suitably be greater than 50 wt%.
- the Fischer-Tropsch product comprises a C20+ fraction having an ASF-alpha value (Anderson-Schulz- Flory chain growth factor) of at least 0.925, preferably at least 0.935, more preferably at least 0.945, even more preferably at least 0.955.
- ASF-alpha value Anderson-Schulz- Flory chain growth factor
- step (a) The hydrocracking/hydroisomerisation reaction of step (a) is preferably performed in the presence of hydrogen and a catalyst, which catalyst can be chosen from those known to one skilled in the art as being suitable for this reaction.
- Catalysts for use in the hydroisomerisation typically comprise an acidic
- Preferred acidic functionalities are refractory metal oxide carriers.
- Suitable carrier materials include silica, alumina, silica-alumina, zirconia, titania and mixtures thereof.
- Preferred carrier materials for inclusion in the catalyst are silica, alumina and silica-alumina.
- a particularly preferred catalyst comprises platinum supported on a silica-alumina carrier.
- the catalyst does not contain a halogen compound, such as for example fluorine, because the use of such catalysts can require special operating conditions and can involve
- the catalyst may comprise the hydrogenation-dehydrogenation active component in an amount of from 0,005 to 5 parts by weight, preferably from 0.02 to 2 parts by weight, per 100 parts by weight of carrier material.
- nickel a higher content will typically be present, and optionally the nickel is used in combination with copper.
- a particularly preferred catalyst for use in the hydroconversion stage comprises platinum in an amount in the range of from 0.05 to 2 parts by weight, more preferably from 0.1 to 1 parts by weight, per 100 parts by weight of carrier material.
- the catalyst may also comprise a binder to enhance the strength of the catalyst.
- the binder can be non-acidic. Examples are clays and other binders known to one skilled in the art.
- the feed is contacted with hydrogen in the presence of the catalyst at elevated temperature and pressure.
- the temperatures typically will be in the range of from 175 to 380°C, preferably higher than 250°C and more preferably from 300 to 370 °C.
- the pressure will typically be in the range of from 10 to 250 bar and preferably from 20 to 80 bar.
- Hydrogen may be supplied at a gas hourly space velocity of from 100 to 10000 Nl/l/hr, preferably from 500 to 5000 Nl/l/hr.
- the hydrocarbon feed may be provided at a weight hourly space velocity of from 0.1 to 5 kg/l/hr, preferably higher than 0.5 kg/l/hr and more preferably lower than 2 kg/l/hr.
- the ratio of the hydrogen to the hydrocarbon feed may range from 100 to 5000 Nl/kg and is preferably from 250 to 2500 Nl/kg.
- the conversion in the hydroisomerisation defined as the weight percentage of the feed boiling above 370°C which reacts per pass to a fraction boiling below 370°C, is suitably at least 20 wt%, preferably at least 25 wt%, but preferably not more than 80 wt%, more preferably not more than 70 wt%.
- step (a) is the total hydrocarbon feed fed to the hydroisomerisation step, thus also any optional recycle to step (a) .
- the resulting product of the hydroisomerisation process preferably contains at least 50 wt% of iso- paraffins, more preferably at least 60 wt%, yet more preferably at least 70 wt%, the remainder being composed of n-paraffins naphthenic and aromatic compounds.
- step (b) the product of step (a) is separated into one or more distillate fraction (s) and a residual heavy fraction, preferably comprising at least 10 wt% of compounds boiling above 540°C. This is conveniently done by performing one or more distillate separations on the effluent of the hydroisomerisation step to obtain at least one middle distillate fuel fraction and a residual fraction which is to be used in step (c) .
- the effluent from step (a) is first subjected to an atmospheric distillation.
- the 10 wt% recovery boiling point of the residue may preferably vary between 350 and 550°C.
- This atmospheric bottom product or residue preferably boils for at least 95 wt% above 370°C.
- the residue as obtained in such a distillation may in certain preferred embodiments be subjected to a further distillation performed at near vacuum conditions to arrive at a fraction having a higher 10 wt% recovery boiling point.
- This fraction may be directly used in step (c) or may be subjected to an additional vacuum distillation suitably performed at a pressure of between 0.001 and 0.1 bar.
- the feed for step (c) is preferably obtained as the bottom product of such a vacuum distillation.
- step (c) the heavy residual fraction obtained in step (b) is subjected to a catalytic pour point reducing step.
- Step (c) may be performed using any hydroconversion process, which is capable of reducing the wax content to below 50 wt% of its original value.
- the wax content in the intermediate product is preferably below 35 wt% and more preferably between 5 and 35 wt%, and even more preferably between 10 and 35 wt%.
- step (c) preferably has a congealing point of below 80°C.
- more than 50 wt% and more preferably more than 70 wt% of the intermediate product boils above the 10 wt% recovery point of the wax feed used in step (a) .
- Wax contents may be measured according to the following procedure: 1 weight part of the oil fraction under analysis is diluted with 4 parts of a (50/50 vol/vol) mixture of methyl ethyl ketone and toluene, which is subsequently cooled to -20°C in a refrigerator. The mixture is subsequently filtered at -20°C. The wax is thoroughly washed with cold solvent, removed from the filter, dried and weighed. Where reference is made to oil content, a wt% value is meant which is 100 wt% minus the wax content in wt%.
- step (c) is the
- step (a) hydroisomerisation process as described above for step (a) . It has been found that wax levels may be reduced to the desired level using such catalysts. By varying the severity of the process conditions as described above, a skilled person will easily determine the required
- a more preferred class of catalyst which may be applied in step (c) , is the class of dewaxing catalysts.
- the process conditions applied when using such catalysts should be such that a wax content remains in the oil.
- typical catalytic dewaxing processes aim at reducing the wax content to almost zero.
- Using a dewaxing catalyst comprising a molecular sieve will result in more of the heavy molecules being retained in the dewaxed oil. A more viscous base oil can then be obtained.
- the dewaxing catalyst which may be applied in step (c) suitably comprises a molecular sieve, optionally in combination with a metal having a hydrogenation function, such as the Group VIII metals.
- Molecular sieves and more suitably molecular sieves having a pore diameter of between 0.35 and 0.8 nm, have shown a good catalytic ability to reduce the wax content of the wax feed.
- Suitable zeolites are mordenite, beta, ZSM-5, ZSM-12,
- the reference to ZSM-48 and EU-2 is used to indicate that all zeolites can be used that belong to the ZSM-48 family of disordered structures also referred to as the *MRE family and described in the Catalog of Disorder in Zeolite Frameworks published in 2000 on behalf of the Structure Commission of the International Zeolite Assocation. Even if EU-2 would be considered to be different from ZSM-48, both ZSM-48 and EU-2 can be used in the present
- Zeolites ZBM-30 and EU-11 resemble ZSM-48 closely and also are considered to be members of the zeolites whose structure belongs to the ZSM-48 family.
- any reference to ZSM-48 zeolite also is a reference to ZBM-30 and EU-11 zeolite.
- further zeolites can be present in the catalyst composition especially if it is desired to modify its catalytic properties. It has been found that it can be advantageous to have present zeolite ZSM-12 which zeolite has been defined in the Database of Zeolite Structures published in 2007/2008 on behalf of the Structure Commission of the International Zeolite Assocation.
- SAPO silica-aluminaphosphate
- ZSM-5 may optionally be used in its HZSM-5 form in the absence of any Group VIII metal.
- the other molecular sieves are preferably used in combination with an added Group VIII metal.
- Suitable Group VIII metals are nickel, cobalt, platinum and palladium. Examples of possible combinations are Pt/ZSM- 35, Ni/ZSM-5, Pt/ZSM- 23, Pd/ZSM-23, Pt/ZSM-48 and Pt/SAPO" 11, or stacked configurations of Pt/zeolite beta and Pt/ZSM-23,
- Pt/zeolite beta and Pt/ZSM-48 or Pt/zeolite beta and Pt/ZSM-22 Further details and examples of suitable molecular sieves and dewaxing conditions are for example described in WO-A-97/18278, US-A-4343692, US-A-5053373 , US-A-5252527, US-A-2004 / 0065581 , US-A-4574043 and EP-A- 1029029.
- Another preferred class of molecular sieves comprises those having a relatively low isomerisation selectivity and a high wax conversion selectivity, like ZSM-5 and ferrierite (ZSM-35) .
- the dewaxing catalyst suitably also comprises a binder.
- the binder can be a synthetic or naturally occurring (inorganic) substance, for example clay, silica and/or a metal oxide. Natural occurring clays are for example of the montmorillonite and kaolin families.
- the binder is preferably a porous binder material, for example a refractory oxide of which examples include alumina, silica-alumina, silica-magnesia, silica- zirconia, silica-thoria, silica-beryllia and silica- titania as well as ternary compositions, for example silica-alumina-thoria, silica-alumina-zirconia, silica- alumina-magnesia and silica-magnesia-zirconia . More preferably, a low acidity refractory oxide binder
- the material which is essentially free of alumina, is used.
- binder materials are silica, zirconia, titanium dioxide, germanium dioxide, boria and mixtures of two or more of these, of which examples are listed above.
- the first preferred binder is silica.
- the second preferred binder is titania.
- a preferred class of dewaxing catalysts comprises intermediate zeolite crystallites as described above and a low acidity refractory oxide binder material which is essentially free of alumina as described above, wherein the surface of the aluminosilicate zeolite crystallites has been modified by subjecting the aluminosilicate zeolite crystallites to a surface dealumination
- a preferred dealumination treatment involves contacting an extrudate of the binder and the zeolite with an aqueous solution of a fluorosilicate salt as described in for example US-A-5157191 or WO-A-00/29511.
- suitable dewaxing catalysts as described above are silica bound and dealuminated Pt/ZSM- 5, or silica bound and dealuminated Pt/ZSM-35 as for example described in WO-A—00/29511 and EP-B-0832171.
- step (c) when using a dewaxing catalyst typically involve operating temperatures in the range of from 200 to 500°C, suitably from 250 to 400°C. Preferably the temperature is between 300 and 330°C.
- the hydrogen pressures may range from 10 to 200 bar,
- Weight hourly space velocities may range from 0.1 to 10 kg of oil per litre of catalyst per hour (kg/l/hr), suitably from 0.1 to 5 kg/l/hr, more suitably from 0.1 to 3 kg/l/hr.
- Hydrogen to oil ratios may range from 100 to 2000 litres of hydrogen per litre of oil.
- step (d) the product of step (c) is usually sent to a vacuum column where various distillate base oil cuts are collected.
- distillate base oil fractions may be used to prepare lubricating base oil blends, or they may be cracked into lower boiling products, such as diesel or naphtha.
- the residual material collected from the vacuum column comprises a mixture of high boiling hydrocarbons, and can be used to prepare FT extra heavy base oil for use in the present invention.
- the product obtained in step (c) may also be further treated, for example in a clay treating process or by contacting with active carbon, as for example described in US-A-4795546 and EP-A-0712922, in order to remove unwanted components.
- active carbon as for example described in US-A-4795546 and EP-A-0712922.
- Other suitable processes for the production of heavy and extra heavy Fischer-Tropsch derived base oils are described in WO-A- 2004/033607, US-A-7053254, EP-A-1366134, EP-A-1382639 , EP-A-1516038 , EP-A-1534801 , WO-A-2004/003113 and WO-A- 2005/063941.
- the FT extra heavy base oil is defined and described herein as an added component. It may optionally represent the sole source of FT extra heavy base oil in the
- FT extra heavy base oil may be present in the lubricating composition and amounts of FT extra heavy base oil indicated herein must be interpreted
- the FT extra heavy base oil may consist of or be synonymous with, any of the FT extra heavy base oils described or defined herein, or any combination thereof.
- the FT extra heavy base oil may be prone to the formation of haze in the sense that it fails the 'clear and bright' standard (ASTM D4176-04) at standard
- NTU nanometric turbidity units
- Turbidity may be measured at 25°C according to the method described in US2011/0083995.
- the FT exta heavy base oil may be cloudy.
- the amount of FT extra heavy base oil may be any amount of FT extra heavy base oil.
- Effective amounts of FT extra heavy base oil will depend to an extent on the nature of the FT extra heavy base oil, as well as the nature of the alkylated aromatic blendstock with which it is combined.
- the amount of FT extra heavy base oil is in the range of from 5 to 50 wt%, preferably 10 to 40 wt%, more preferably 15 to 35 wt%, especially 20 to 25 wt % based on the total weight of FT extra heavy base oil and alkylated aromatic blendstock.
- a second essential component of the invention is the alkylated aromatic blendstock.
- the alkylated aromatic blendstock may comprise or consist of one or more
- alkylated aromatic compounds (alkylated aromatics) consistent with achieving desired properties in the lubricating composition.
- Alkylated aromatics have an aromatic head group and at least one alkyl chain.
- the aromatic head group may be a substituted or unsubst ituted mono- or polycyclic ring structure.
- Aromatic head groups that contain one or more heteroatoms may also be suitable.
- Preferred aromatic head groups in the context of the invention are benzene and naphthalene, with naphthalene being particularly preferred.
- the one or more alkyl chains of the alkylated aromatics may each, individually, be a C 1 -C30, e.g. C1-C20 linear alkyl group; or a 03-0300 ? e.g. C3-Cioo ? or a C3-C30 branched alkyl group.
- Longer alkyl chains can help to lower volatility and improve viscometric
- At least one linear or branched alkyl group of the alkylated aromatics may preferably comprise at least ten carbon atoms, more preferably at least 15 carbon atoms e.g. be a C 1 0-C30 or a C 1 0-C20 or a C15-C30 or a C 1 0-C15 linear alkyl group, or a C10-C300 or a C10-C100, or a C10-C30 or a C15-C300 or a Ci5-Cioo, or a C15-C30 branched alkyl group.
- the number of alkyl chains per aromatic head group may vary.
- One or more alkyl chains e.g. one, two, three, four, five or six alkyl chains may be bonded directly to the aromatic system of the aromatic head group.
- An alkyl chain may be bonded to the aromatic system at every available position on the aromatic head group .
- the average number of carbon atoms in the alkylated aromatics may be at least 11, preferably at least 15, more
- alkylated aromatics may have a number average molecular weight of at least about 150, preferably at least about 180, and more preferably at least about 300 or even at least about 480.
- alkylated aromatics The preparation of alkylated aromatics is well known in the art. Although any method of preparation is suitable in the context of the invention, suitable alkylated aromatics may conveniently be formed by an alkylation reaction between an aromatic compound and an alkylating agent. Olefins are particularly common alkylating agents used in the art.
- the alkylation reaction is generally performed over acidic catalysts, especially Friedel-Crafts catalysts such as AICI 3 , BF 3 , FeCl 3 , acidic zeolites, amorphous aluminosilicates , acid clays or acidic metal oxides.
- Alkylated aromatics obtained by alkylation generally include a mixture of compounds and isomers.
- alkylated aromatics-containing feeds may be made from aromatisation of a suitable stream available from the FT process.
- Alkylated aromatics obtained in this manner may be used directly in the invention, or as an alkylation feedstock, depending on desired properties.
- Hydrogenated or partially hydrogenated analogues of the alkylated aromatics described herein may optionally also be used in or as the alkylated aromatic blendstock.
- Alkylated naphthalenes are particularly preferred alkylated aromatics for use in or as the alkylated aromatic blendstock.
- Alkylated naphthalenes useful in the context of the invention may have the following general formula ( I ) :
- a + B 1 to 8, preferably 1 to 6, more
- R is Ci-C 30 , preferably Ci-C 2 o linear alkyl group, C 3 -C 3 oo / - preferably C 3 -C 10 o, more preferably C3-C30 branched alkyl group or mixtures of such groups with the total number of carbons in R A and R B , preferably being at least 4.
- alkyl naphthalenes are mono-, di-, tri-, tetra-, or penta-C3 alkyl naphthalene, -C4 alkyl naphthalene, -C5 alkyl naphthalene, -C6 alkyl naphthalene, -Cs alkyl naphthalene, -C 10 alkyl
- naphthalene -C 1 2 alkyl naphthalene, -C14 alkyl
- naphthalene -C16 alkyl naphthalene, -Cis alkyl
- naphthalene etc., C 10 -C14 mixed alkyl naphthalene, C6-Cs mixed alkyl naphthalene, or the mono-, di-, tri- , tetra- , or penta C3, C4, C5, Ce r Cs, C 1 0, C 1 2, C 14 , Ci6, Cis or mixtures thereof, alkyl monomethyl, dimethyl, ethyl, diethyl, or methylethyl naphthalene, or mixtures thereof.
- the alkyl group can also be a branched alkyl group with Cio to C 3 oo / - e.g., C 2 4-C 56 branched alkyl naphthalene, C2 4 - C 5 6 branched alkyl mono-, di-, tri-, tetra- or penta- Ci- C 4 naphthalene.
- These branched alkyl group substituted naphthalenes or branched alkyl group substituted mono-, di-, tri-, tetra- or penta C1-C4 naphthalene can also be used as mixtures with the previously recited materials.
- the branched alkyl group is very large (that is 8 to 300 carbons), usually only one or two of such alkyl groups are attached to the naphthalene head group.
- the alkyl groups on the naphthalene ring can be mixtures of any of the above alkyl groups .
- alkyl naphthalenes are prepared by alkylation of naphthalene or short chain alkyl
- naphthalene such as methyl or di-methyl naphthalene
- olefins such as methyl or di-methyl naphthalene
- alcohols or alkylchlorides over acidic catalysts inducing typical Friedel Crafts catalysts.
- Suitable alkylated naphthalenes are available commercially from ExxonMobil Chemical Company (TM) under the tradename Synesstic AN (TM) .
- Alkylated benzenes are also preferred alkylated aromatics for use in the invention.
- Alkylated benzenes useful in the context of the invention may have the following general formula (II):
- C 1 to 6, preferably 1 to 5, more preferably 1 to 4.
- the R can be linear C10-C30 alkyl group or a C10-C300 branched alkyl group preferably C10-C100 branched alkyl group, more preferably C15-C50 branched alkyl group.
- C is 2 or greater than 2, up to C-l of the alkyl groups can
- Branched large alkyl radicals can be prepared from the oligomerization or polymerization of C3 to C20 internal or alpha-olefins or mixture of these olefins .
- Alkylated benzenes may be prepared by alkylation of benzene or short chain alkyl benzene, such as methyl or di-methyl benzene, with olefins, alcohols or
- alkylated benzene fluids can be prepared according to US 6,071,864 or US 6, 491, 809 or EP 0, 168, 534.
- the alkylated aromatic blendstock is defined and described herein as an added component. It may
- alkylated aromatics in the lubricating composition but this is not essential. Thus other alkylated aromatics may be present in the lubricating composition and amounts of alkylated aromatics indicated herein must be interpreted
- the alkylated aromatic blendstock may consist of or be synonymous with, any of the alkylated aromatics described or defined herein, or any combination thereof, e.g. alkylated naphthalenes and/or alkylated benzenes.
- the kinematic viscosity at 100 °C according to ASTM D445 (VK 100) of the alkylated aromatic blendstock may be in the range of from 1 mm 2 /s to 50 mm 2 /s, preferably in the range of from 2 mm 2 /s to 30 mm 2 /s, more preferably in the range of from 3 mm 2 /s to 20 mm 2 /s, most preferably in the range of from 4 mm 2 /s to 15 mm 2 /s, e.g. 4 to 7 mm 2 /s or 11 to 15 mm 2 /s.
- D445 (VK 40) of the alkylated aromatic blendstock may be in the range of from 20 mm 2 /s to 150 mm 2 /s, preferably in the range of from 25 mm 2 /s to 120 mm 2 /s.
- the alkylated aromatic blendstock may preferably have a pour point (ASTM D97) of 0° C or less, preferably
- viscosity index in the range of from about 0 to 200, preferably about 60 to 200, more preferably about 70 to about 160, e.g. about 75 to about 110; and/or a Noack Volatility (ASTM D5800) of less than 15 wt%, preferably 7 wt%, more preferably 5 wt%.
- the amount of alkylated aromatic blendstock may be adjusted to achieve a desired waxy haze reduction.
- alkylated aromatic blendstock will depend to an extent on the nature of the blendstock, as well as the nature of the FT residual oil with which it is combined.
- the amount of alkylated aromatic blendstock is in the range of from 50 to 95 wt%, preferably 60 to 90 wt%, more preferably 65 to
- the lubricating composition has a less hazy
- composition may pass the 'clear and bright' standard (ASTM D4176-04) . It may preferably have a turbidity of at most 2 NTU, preferably at most 1 NTU, more preferably at most 0.5 NTU, even more preferably at most 0.2 NTU and ideally of 0 NTU, as measured according to the method of US2011/0083995 at 25° C.
- the lubricating composition may conform with one or more of the above haziness measurements at least 14 days after blending.
- the kinematic viscosity at 100 °C according to ASTM D445 (VK 100) of the lubricating composition may
- mm 2 /s preferably be in the range of from 1 mm 2 /s to 30 mm 2 /s, preferably in the range of from 2 mm 2 /s to 25 mm 2 /s, more preferably in the range of from 3 mm 2 /s to 20 mm 2 /s, most preferably in the range of from 4 mm 2 /s to 18 mm 2 /s, e.g. 7 to 12 mm 2 /s or 14 to 17 mm 2 /s.
- the kinematic viscosity at 40 °C according to ASTM D445 (VK 40) of the lubricating composition may
- the lubricating composition may have a viscosity index (ASTM D-2270) in the range of from 95 to 180, preferably from 110 to 130.
- the pour point of the lubricating composition may be -10°C or lower, preferably of -15°C or lower, more preferably -20°C or lower, even more
- the lubricating composition has a surprisingly good oxidative stability and may preferably show the oxidative performance of a Group II base oil.
- the lubricating composition comprising the FT extra heavy base oil and the alkylated aromatic blendstock may comprise :
- an alkylated aromatic blendstock comprising or consisting of alkylated naphthalenes and having a VK 100 in the range of from 4 mm 2 /s to 15 mm 2 /s.
- an alkylated aromatic blendstock comprising or consisting of alkylated naphthalenes and having a VK 100 in the range of from 11 mm 2 /s to 15 mm 2 /s.
- the FT extra heavy base oil and the alkylated aromatic blendstock may make up the entirety of the lubricating composition, or preferably at least 95wt% or at least 98wt%, or at least 99wt% or at least 99.5wt% or at least 99.99wt% of the total composition.
- the lubricating composition according to the present invention may further comprise one or more additives such as anti-oxidants , anti-wear additives, (preferably ashless) dispersants, detergents, extreme-pressure additives, friction modifiers, metal deactivators, corrosion inhibitors, demulsifiers, anti-foam agents, seal compatibility agents and additive diluent base oils, etc.
- additives such as anti-oxidants , anti-wear additives, (preferably ashless) dispersants, detergents, extreme-pressure additives, friction modifiers, metal deactivators, corrosion inhibitors, demulsifiers, anti-foam agents, seal compatibility agents and additive diluent base oils, etc.
- additives will typically be present in low quantities .
- the lubricating composition may be used as a
- lubricant blendstock or in any suitable lubricating application. It may be of particular benefit as a base oil blend component where a relatively high VK100 is required such as in monograde gas engine oils (SAE 40 monogrades) where current low sulphur base oils such as API Group II or Group III are sometimes borderline in VK100 and hence have problems meeting SAE J-300
- the lubricating composition may be formed by simple blending of its components as is known in the art.
- One preferred method of the invention comprises: blending a FT extra heavy base oil failing the 'clear and bright' standard (ASTM D4176) with an amount of an alkylated aromatic blendstock to provide a lubricating composition that passes the 'clear and bright' standard (ASTM D4176) and/or has any of the other properties defined
- the invention also embraces use of the alkylated aromatic blendstock for the purpose of reducing waxy haze in a FT extra heavy base oil, or in a precursor composition comprising the FT extra heavy base oil.
- This use may embrace supplying or offering a lubricating composition comprising FT extra heavy base oil and alkylated aromatic blendstock together with information or advertising relating to a clear and bright appearance or an appearance of absent or low turbidity.
- Viscosity index (ASTM D2270) - VI Clear and Bright Standard (ASTM D4176) at ambient conditions (20 °C)
- a high pour point (high PPt) XHBO base stock was prepared substantially as described in Example 6 of US 8, 152, 869.
- a low pour point (low Ppt) XHBO base stock was prepared according to the same process, with the only difference being the temperature at which the dewaxing catalyst was operated. A higher temperature leads to more severe dewaxing and a lower pour point.
- VI viscosity index
- alkylated aromatic basestock can solubilise waxy haze in the FT extra heavy base oil and the FT extra heavy base oil can lower the pour point of the alkylated aromatic basestock in a blend to below that of either component.
- the base oils/blends were formulated into an industrial turbine oil. This was chosen because of the associated low additive treat rate, but the results would be applicable to other industrial lubricants such as hydraulic fluids or a crankcase lubricant of a passenger car of a heavy duty diesel variety.
- the additives employed were as follows:
- antioxidants including: (1) antioxidants, including:
- N-phenylated naphthylamines , diphenylamines ; and (2) corrosion inhibitors, including glycol ether derivatives, ethoxylated carboxylic acids and fatty acids;
- Synative AC AMH-2 is a dual function additive; a low silica anti-foaming agent and a demulsifier (both
- aromatic head groups present in alkylated naphthalene fluids would be expected to lead to oxidative vulnerability of any blend in which it was incorporated.
- formulations 1 and 2 which include the alkylated aromatic blendstock component surprisingly have comparable oxidative stability to that of a typical API Group II base oil (formulations 3 and 4) .
- This provides further evidence of the unexpected beneficial synergistic effect of blending the XHBO with alkylated aromatick blendstock.
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Lubricants (AREA)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
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CN201380038557.8A CN104508095B (en) | 2012-06-21 | 2013-06-18 | Including heavy Fischer-Tropsch derives and the lubricant oil composite of alkylating aromatic base oil |
EP13729949.1A EP2864456B1 (en) | 2012-06-21 | 2013-06-18 | Lubricating oil compositions comprising heavy fischer-tropsch derived base oils and alkylated aromatic base oil |
RU2015101730A RU2658914C2 (en) | 2012-06-21 | 2013-06-18 | Lubricating oil compositions comprising heavy fischer-tropsch derived and alkylated aromatic base oil |
JP2015517736A JP6266606B2 (en) | 2012-06-21 | 2013-06-18 | Lubricating oil composition comprising heavy Fischer-Tropsch derived and alkylated aromatic base oil |
BR112014031227A BR112014031227A8 (en) | 2012-06-21 | 2013-06-18 | lubricating composition, use of a lubricating composition, and use of an alkylated aromatic mixing material |
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EP12172973.5 | 2012-06-21 | ||
EP12172973 | 2012-06-21 |
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PCT/EP2013/062668 WO2013189953A1 (en) | 2012-06-21 | 2013-06-18 | Lubricating oil compositions comprising heavy fischer - tropsch derived and alkylated aromatic base oil |
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EP (1) | EP2864456B1 (en) |
JP (1) | JP6266606B2 (en) |
CN (1) | CN104508095B (en) |
BR (1) | BR112014031227A8 (en) |
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Cited By (2)
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WO2016074985A1 (en) * | 2014-11-12 | 2016-05-19 | Shell Internationale Research Maatschappij B.V. | Lubricating oil composition |
CN111662768A (en) * | 2020-06-16 | 2020-09-15 | 烟台德高石油有限公司 | Synthetic long-life natural gas engine oil and preparation method thereof |
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JP2020503412A (en) * | 2016-12-30 | 2020-01-30 | エクソンモービル リサーチ アンド エンジニアリング カンパニーExxon Research And Engineering Company | Low viscosity lubricating oil composition for turbomachinery |
CN111662760B (en) * | 2020-06-16 | 2022-06-24 | 烟台德高石油有限公司 | Screw compressor oil and preparation method thereof |
CN111607456B (en) * | 2020-06-16 | 2022-06-28 | 烟台德高石油有限公司 | Synthetic lubricating oil for food machinery and preparation method thereof |
CN111575083B (en) * | 2020-06-16 | 2022-06-17 | 烟台德高石油有限公司 | Centrifugal compressor oil and preparation method thereof |
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JP6266606B2 (en) | 2018-01-24 |
EP2864456A1 (en) | 2015-04-29 |
JP2015520286A (en) | 2015-07-16 |
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CN104508095B (en) | 2018-09-28 |
CN104508095A (en) | 2015-04-08 |
RU2658914C2 (en) | 2018-06-26 |
RU2015101730A (en) | 2016-08-10 |
BR112014031227A2 (en) | 2017-06-27 |
BR112014031227A8 (en) | 2020-09-24 |
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