WO2004078889A1 - 原油の接触水素化処理方法 - Google Patents
原油の接触水素化処理方法 Download PDFInfo
- Publication number
- WO2004078889A1 WO2004078889A1 PCT/JP2004/002524 JP2004002524W WO2004078889A1 WO 2004078889 A1 WO2004078889 A1 WO 2004078889A1 JP 2004002524 W JP2004002524 W JP 2004002524W WO 2004078889 A1 WO2004078889 A1 WO 2004078889A1
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- WIPO (PCT)
- Prior art keywords
- crude oil
- oil
- fraction
- catalyst
- naphtha fraction
- Prior art date
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- 239000010779 crude oil Substances 0.000 title claims abstract description 99
- 238000000034 method Methods 0.000 title claims abstract description 68
- 230000003197 catalytic effect Effects 0.000 title claims abstract description 7
- 239000003054 catalyst Substances 0.000 claims abstract description 87
- 238000004517 catalytic hydrocracking Methods 0.000 claims abstract description 42
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 claims abstract description 32
- 229910052751 metal Inorganic materials 0.000 claims abstract description 32
- 239000002184 metal Substances 0.000 claims abstract description 32
- 229910021536 Zeolite Inorganic materials 0.000 claims abstract description 29
- 239000010457 zeolite Substances 0.000 claims abstract description 29
- 150000002739 metals Chemical class 0.000 claims abstract description 17
- 229910044991 metal oxide Inorganic materials 0.000 claims abstract description 15
- 230000000737 periodic effect Effects 0.000 claims abstract description 13
- 239000011882 ultra-fine particle Substances 0.000 claims abstract description 11
- 239000003921 oil Substances 0.000 claims description 122
- 239000003350 kerosene Substances 0.000 claims description 40
- 229910052717 sulfur Inorganic materials 0.000 claims description 37
- 239000011593 sulfur Substances 0.000 claims description 37
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 36
- 238000009903 catalytic hydrogenation reaction Methods 0.000 claims description 16
- -1 titanium group metal oxides Chemical class 0.000 claims description 13
- 238000004519 manufacturing process Methods 0.000 claims description 7
- 229910052782 aluminium Inorganic materials 0.000 claims description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 150000004706 metal oxides Chemical class 0.000 abstract description 2
- 239000002131 composite material Substances 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 46
- 238000006243 chemical reaction Methods 0.000 description 39
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 24
- 239000001257 hydrogen Substances 0.000 description 23
- 229910052739 hydrogen Inorganic materials 0.000 description 23
- 239000000047 product Substances 0.000 description 16
- 238000004821 distillation Methods 0.000 description 14
- 239000007788 liquid Substances 0.000 description 14
- 238000000926 separation method Methods 0.000 description 14
- OFBQJSOFQDEBGM-UHFFFAOYSA-N n-pentane Natural products CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 9
- 239000011148 porous material Substances 0.000 description 8
- 230000000694 effects Effects 0.000 description 7
- 238000005984 hydrogenation reaction Methods 0.000 description 7
- 239000003208 petroleum Substances 0.000 description 7
- 238000002407 reforming Methods 0.000 description 7
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 5
- 239000007864 aqueous solution Substances 0.000 description 5
- 125000003118 aryl group Chemical group 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 5
- 238000006477 desulfuration reaction Methods 0.000 description 5
- 230000023556 desulfurization Effects 0.000 description 5
- 239000012530 fluid Substances 0.000 description 5
- 239000000295 fuel oil Substances 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- 239000002994 raw material Substances 0.000 description 5
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 4
- 238000009835 boiling Methods 0.000 description 4
- 238000010612 desalination reaction Methods 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 239000012071 phase Substances 0.000 description 4
- 150000003839 salts Chemical class 0.000 description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 3
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 3
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 3
- 239000002253 acid Substances 0.000 description 3
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 3
- 229910052750 molybdenum Inorganic materials 0.000 description 3
- 229910052710 silicon Inorganic materials 0.000 description 3
- 239000010703 silicon Substances 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical group [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 2
- 239000000969 carrier Substances 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 238000011049 filling Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910000000 metal hydroxide Inorganic materials 0.000 description 2
- 150000004692 metal hydroxides Chemical class 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 238000005504 petroleum refining Methods 0.000 description 2
- 229910052698 phosphorus Inorganic materials 0.000 description 2
- 239000011574 phosphorus Substances 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 125000003367 polycyclic group Chemical group 0.000 description 2
- 239000001294 propane Substances 0.000 description 2
- 238000010791 quenching Methods 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229910052721 tungsten Inorganic materials 0.000 description 2
- CIWBSHSKHKDKBQ-JLAZNSOCSA-N Ascorbic acid Chemical compound OC[C@H](O)[C@H]1OC(=O)C(O)=C1O CIWBSHSKHKDKBQ-JLAZNSOCSA-N 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 description 1
- 229910003296 Ni-Mo Inorganic materials 0.000 description 1
- 101001012040 Pseudomonas aeruginosa (strain ATCC 15692 / DSM 22644 / CIP 104116 / JCM 14847 / LMG 12228 / 1C / PRS 101 / PAO1) Immunomodulating metalloprotease Proteins 0.000 description 1
- 239000004113 Sepiolite Substances 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- YKTSYUJCYHOUJP-UHFFFAOYSA-N [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] Chemical compound [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] YKTSYUJCYHOUJP-UHFFFAOYSA-N 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- FFBHFFJDDLITSX-UHFFFAOYSA-N benzyl N-[2-hydroxy-4-(3-oxomorpholin-4-yl)phenyl]carbamate Chemical compound OC1=C(NC(=O)OCC2=CC=CC=C2)C=CC(=C1)N1CCOCC1=O FFBHFFJDDLITSX-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000001273 butane Substances 0.000 description 1
- 238000001833 catalytic reforming Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002283 diesel fuel Substances 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 210000003918 fraction a Anatomy 0.000 description 1
- 238000005194 fractionation Methods 0.000 description 1
- 150000004820 halides Chemical class 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 229910052809 inorganic oxide Inorganic materials 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- DDTIGTPWGISMKL-UHFFFAOYSA-N molybdenum nickel Chemical compound [Ni].[Mo] DDTIGTPWGISMKL-UHFFFAOYSA-N 0.000 description 1
- IJDNQMDRQITEOD-UHFFFAOYSA-N n-butane Chemical compound CCCC IJDNQMDRQITEOD-UHFFFAOYSA-N 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 239000003027 oil sand Substances 0.000 description 1
- 239000004058 oil shale Substances 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- 239000003209 petroleum derivative Substances 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 238000007781 pre-processing Methods 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 239000011164 primary particle Substances 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 239000012266 salt solution Substances 0.000 description 1
- 229910052624 sepiolite Inorganic materials 0.000 description 1
- 235000019355 sepiolite Nutrition 0.000 description 1
- 238000001577 simple distillation Methods 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
Classifications
-
- B01J35/647—
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
- B01J23/76—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
- B01J23/84—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36 with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- B01J23/85—Chromium, molybdenum or tungsten
- B01J23/88—Molybdenum
- B01J23/882—Molybdenum and cobalt
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J29/00—Catalysts comprising molecular sieves
- B01J29/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
- B01J29/041—Mesoporous materials having base exchange properties, e.g. Si/Al-MCM-41
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J29/00—Catalysts comprising molecular sieves
- B01J29/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
- B01J29/041—Mesoporous materials having base exchange properties, e.g. Si/Al-MCM-41
- B01J29/042—Mesoporous materials having base exchange properties, e.g. Si/Al-MCM-41 containing iron group metals, noble metals or copper
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J29/00—Catalysts comprising molecular sieves
- B01J29/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
- B01J29/041—Mesoporous materials having base exchange properties, e.g. Si/Al-MCM-41
- B01J29/045—Mesoporous materials having base exchange properties, e.g. Si/Al-MCM-41 containing arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J29/00—Catalysts comprising molecular sieves
- B01J29/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
- B01J29/06—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
- B01J29/076—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof containing arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
-
- 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
- C10G45/00—Refining of hydrocarbon oils using hydrogen or hydrogen-generating compounds
- C10G45/02—Refining of hydrocarbon oils using hydrogen or hydrogen-generating compounds to eliminate hetero atoms without changing the skeleton of the hydrocarbon involved and without cracking into lower boiling hydrocarbons; Hydrofinishing
-
- 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
- C10G47/00—Cracking of hydrocarbon oils, in the presence of hydrogen or hydrogen- generating compounds, to obtain lower boiling fractions
- C10G47/02—Cracking of hydrocarbon oils, in the presence of hydrogen or hydrogen- generating compounds, to obtain lower boiling fractions characterised by the catalyst used
- C10G47/10—Cracking of hydrocarbon oils, in the presence of hydrogen or hydrogen- generating compounds, to obtain lower boiling fractions characterised by the catalyst used with catalysts deposited on a carrier
- C10G47/12—Inorganic carriers
- C10G47/16—Crystalline alumino-silicate carriers
- C10G47/20—Crystalline alumino-silicate carriers the catalyst containing other metals or compounds thereof
-
- 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
- C10G65/00—Treatment of hydrocarbon oils by two or more hydrotreatment processes only
- C10G65/02—Treatment of hydrocarbon oils by two or more hydrotreatment processes only plural serial stages only
- C10G65/12—Treatment of hydrocarbon oils by two or more hydrotreatment processes only plural serial stages only including cracking steps and other hydrotreatment steps
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
- B01J21/06—Silicon, titanium, zirconium or hafnium; Oxides or hydroxides thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
- B01J21/06—Silicon, titanium, zirconium or hafnium; Oxides or hydroxides thereof
- B01J21/063—Titanium; Oxides or hydroxides thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2229/00—Aspects of molecular sieve catalysts not covered by B01J29/00
- B01J2229/10—After treatment, characterised by the effect to be obtained
- B01J2229/18—After treatment, characterised by the effect to be obtained to introduce other elements into or onto the molecular sieve itself
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2229/00—Aspects of molecular sieve catalysts not covered by B01J29/00
- B01J2229/30—After treatment, characterised by the means used
- B01J2229/37—Acid treatment
Definitions
- the present invention relates to a method for catalytically hydrotreating crude oil or crude oil from which a naphtha fraction and a lighter fraction have been removed, and a method for producing an ultra-low sulfur kerosene from the resulting oil.
- the present inventors have also proposed a method of obtaining a high-quality kerosene oil fraction while hydrocracking heavy oil (Japanese Patent Application Laid-Open No. 6-98270) and hydrogenating crude oil excluding crude oil or naphtha fraction.
- a method for improving the quality of a kerosene gas oil fraction by a combination of catalysts for treatment Japanese Patent Application Laid-Open No. 7-268361
- a method for further hydrogenating a gas-phase fraction after gas-liquid separation Japanese Patent Application Laid-Open No. 2000-2000
- the sulfur content of diesel oil is 350 ppm at present, but 200 It will be 50 ppm in 4 years, and it will be necessary to reduce it to 10 ppm or less thereafter.
- the sulfur content of light oil can be reduced to only about 50 ppm even if the operating conditions are devised, and it is necessary to produce ultra low sulfur gas oil of 10 ppm or less. Is currently difficult
- the present invention has been made under the above circumstances, and in order to improve the conventional crude oil refining treatment method, catalytic hydrogenation of a crude oil or a crude oil excluding a naphtha fraction and a lighter fraction is collectively performed.
- the catalytic hydrogenation method and the produced oil are used to greatly improve the quality of kerosene gas oil in the resulting product oil and produce ultra-low sulfur kerosene gas with a sulfur content of less than 10 ppm. It is an object of the present invention to provide a method for obtaining light oil.
- the present inventor has found that the crude oil or crude oil excluding the naphtha fraction and lighter fractions are collectively subjected to the hydrodemetallization treatment step, the hydrocracking treatment step, and the hydrodesulfurization treatment.
- a periodic table is used as a hydrocracking catalyst on a zeolite catalyst carrier in which ultrafine particles of titanium group metal oxide are complexed on the inner surface of mesopores. It has been found that the above object of the present invention can be effectively achieved by using a catalyst supporting at least one selected from metals belonging to Groups 6, 8.9 and 10 groups. It was completed.
- the gist of the present invention is as follows.
- Crude oil or crude oil excluding naphtha fraction and lighter fractions are subjected to hydrodemetallization, batch hydrocracking, and hydrodesulfurization.
- a method for catalytic hydrogenation of crude oil or crude oil excluding naphtha fraction consisting of zeolite with ultrafine particles of titanium group metal oxide complexed on the inner surface of mesopores as a hydrocracking catalyst.
- a method for the catalytic hydrogenation of crude oil excluding distillates are subjected to hydrodemetallization, batch hydrocracking, and hydrodesulfurization.
- Crude oil or naphtha fraction and crude oil excluding lighter fractions are subjected to hydrodemetallization at once, followed by hydrodesulfurization, and then crude oil or naphtha fraction to be hydrocracked In the method of catalytic hydrogenation of crude oil except for the components.
- a hydrocracking catalyst a catalyst carrier consisting of zeolite in which ultrafine particles of titanium group metal oxide are compounded on the inner surface of mesopores
- Crude oil characterized by using a catalyst carrying at least one selected from metals belonging to group 8, 8, 9 and 10 or crude oil excluding naphtha fraction and lighter fractions Catalytic hydrogenation method.
- the crude oil or crude oil excluding the naphtha fraction and lighter fractions are subjected to hydrodemetallization at once, followed by hydrodesulfurization, then hydrocracking, and then hydrodesulfurization Carrier consisting of zeolite in which ultrafine particles of titanium group metal oxide are complexed on the inner surface of mesopores as a catalyst for hydrocracking in a method for catalytic hydrogenation of crude oil excluding naphtha fraction A crude oil, or a naphtha fraction and a lighter fraction thereof, using a catalyst carrying at least one selected from metals belonging to Groups 6, 8, 9, and 10 of the Periodic Table.
- a method for catalytic hydrogenation of crude oil excluding distillates are subjected to hydrodemetallization at once, followed by hydrodesulfurization, then hydrocracking, and then hydrodesulfurization
- Carrier consisting of zeolite in which ultrafine particles of titanium group metal oxide are complexed on the inner surface of mesopores as a catalyst for hydrocracking in a method for
- FIG. 1 is a schematic flow chart of an embodiment (Case 1, Example 1) of the present invention.
- FIG. 2 is a schematic flow chart of an embodiment (Case 2, Example 2) of the present invention.
- FIG. 3 is a schematic flow chart of an embodiment (Case 3, Example 3) of the present invention.
- FIG. 4 is a schematic flow chart of an embodiment (Case 4, Example 4) of the present invention.
- FIG. 5 is a schematic flow chart of an embodiment (Case 5, Example 5) of the present invention.
- FIG. 6 is a schematic flowchart of an embodiment (Case 6, Example 6) of the present invention.
- FIG. 7 is a schematic flow chart of the prior art of the present invention (Comparative Example 1).
- FIG. 8 is a schematic flow chart of the prior art of the present invention (Comparative Example 2). BEST MODE FOR CARRYING OUT THE INVENTION
- FIGS. 1 to 6 Schematic flow diagrams (cases 1 to 6) of an embodiment of the present invention are shown in FIGS.
- the present invention can be summarized as follows: “The crude oil or the naphtha fraction and the crude oil excluding the lighter fraction (hereinafter also referred to as the naphtha fraction, etc.) are collectively subjected to the hydrodemetallization process.
- zeolite in which ultrafine particles of titanium group metal oxide are compounded on the inner surface of mesopores is used as a hydrocracking catalyst.
- a crude carrier or a naphtha fraction, etc., characterized by using an erosion medium carrying at least one selected from metals belonging to Groups 6.8, 9 and 10 of the Periodic Table on a catalyst carrier comprising:
- the method for catalytic hydrotreating of crude oil excluding oil hereinafter also referred to as “extracted crude oil”). " Will be.
- each step and the like will be described in detail.
- the crude oil in the present invention includes not only petroleum-based crude oil but also non-petroleum-based crude oil.
- the non-petroleum-based crude oil include coal liquefied oil, tar sands oil, oil sand oil, oil shale oil, orinoco tar, and synthetic crude oil obtained therefrom.
- a mixed crude oil of petroleum-based crude oil and non-petroleum-based crude oil can be used as a feedstock.
- Examples of the desalination method include chemical desalination generally performed by those skilled in the art, (4) Treco's electric desalination, and Howe-Baker's electric desalination.
- the oil produced by the method of the present invention is subjected to atmospheric pressure distillation in the next step to separate a naphtha fraction and the like, followed by catalytic reforming.
- a general preflash column or preflash column may be used as a method for removing 15 such as naphtha fraction.
- Operating temperature is 150 to 300 It is preferable that the separation be performed at a temperature and a pressure of 0.2 to IMPa.
- the boiling point of the naphtha fraction to be separated is determined by the crude oil as the starting point, and the end point is preferably in the range of 125 to 174 ° C. If the end point is lower than 125 ° C, the reaction rate may decrease due to a decrease in the partial pressure of water in the subsequent catalytic hydrogenation treatment. If the end point exceeds 174 ° C, the sulfur content of the kerosene fraction in the generated oil may increase and may fall outside the specification.
- Crude oil 10 or unprocessed crude oil 16 is heated and pressurized, and is subjected to batch hydrodemetallization with hydrogen in the first stage of hydrodemetallization process 2.
- This step comprises one or more reaction towers.
- Catalysts used in this hydrodemetallization process include porous inorganic oxides such as alumina, silica, silica-alumina or sepiolite, acidic carriers, natural minerals, and the like.
- a hydrodemetallization catalyst available from Toshiba Corporation may be used.
- the required amount of hydrodemetallization catalyst is preferably 10 to 80% by volume of the cumulative amount of metal contained in the feed oil during the treatment.
- Hydrodemetallization process conditions include reaction temperature 300-450 ° C, hydrogen partial pressure 3-20 MPa (G), hydrogen-Z oil ratio 200-2,000 Nm 3 / k1, LHS V (liquid Spatio-temporal velocity) 0.1 to: LO hr— 1 , preferably reaction temperature 330 to 410 ° C, hydrogen partial pressure 10 to 18 MPa, hydrogen Z oil ratio 400 to
- reaction efficiency will decrease, and if the ratio exceeds the above ranges, the economic efficiency may decrease. Conversely, if the LHSV falls below the above range, the economic efficiency will decrease, and if the LHSV exceeds the above range, Reaction efficiency may decrease.
- the oil that has been subjected to batch hydrodemetallization (Cases 1 and 2) or the oil that has been batch hydrodesulfurized (Cases 3 to 6) is then subjected to batch hydrocracking in the hydrocracking process.
- This step comprises one or more reaction towers.
- a catalyst carrier (hereinafter sometimes referred to as a modified zeolite) consisting of zeolite in which ultrafine particles of titanium group metal oxide are complexed on the inner surface of mesopores is used. It is a feature of the present invention to use a material that carries at least one selected from metals belonging to Groups 6, 8, 9, and 10 of the Ritsumei Table.
- the catalyst support is composed of zeolite in which ultrafine titanium group metal oxide particles are compounded on the inner surface of the mesopore, and the atomic ratio of aluminum to silicon contained in the zeolite [A 1] / [S i] preferably uses a modified zeolite in the range of 0.01 to 0.1, more preferably 0.03 to 0.08.
- the titanium group metal oxide includes titania and zirconia.
- the size of the ultrafine titanium-group metal oxide particles composited on the inner surface of the zeolite mesopores is preferably a particle size that does not affect the diffusion rate of the reactant. It is preferably substantially uniform in the range of 10 nm.
- the content of the titanium group metal oxide is 1 to 10% by mass, preferably 3 to 7% by mass in the catalyst carrier.
- a proton exchange type zeolite is used as a raw material for producing the zeolite-based catalyst carrier.
- the atomic ratio [A 1] [S i] between aluminum and silicon contained therein is from 0.01 to 0.35, preferably from 0.1 to 0.33.
- the ratio of the mesopores is at least 10%, preferably at least 15% of the total pore volume.
- the upper limit is not particularly limited, but is usually about 30%.
- the average primary particle size of zeolite is not particularly limited, it is usually 0.1 to 0.1.
- an aqueous solution of a titanium group metal salt (a water-soluble salt such as a sulfate or a halide) is brought into contact with the raw material zeolite.
- concentration of the titanium group metal (hereinafter simply referred to as metal) salt in the aqueous solution is 0.02 to 0.1 mol / liter, preferably 0.05 to 0.1 mol / liter. .
- the ⁇ of the aqueous solution is adjusted to 0.8 to 2, preferably 1.0 to 1.9.
- the contact temperature is about 25-80 ° C.
- a dealumination reaction occurs between aluminum and a strong acid on the surface of zeolite (aluminum silicate), and this reaction is accompanied by the formation of ultrafine particles.
- Metal hydroxide precipitates on the inner surface of zeolite mesopores.
- the contact conditions such as the contact time, temperature, and pH of the aqueous solution may be adjusted.
- the zeolite is sufficiently washed with water to such an extent that no acid radical is observed, and then dried.
- the drying in this case is preferably performed at a temperature as low as possible in order to prevent agglomeration of the ultrafine metal hydroxide particles deposited on the inner surface of the mesopore of zeolite, preferably at 25 to 100 ° C, and more preferably at 25 to 100 ° C. It is better to perform at around 50 ° C.
- the zeolite is calcined at 400-600 ° C, preferably 450-550 ° C. In this case, the sintering atmosphere is not particularly limited.
- the catalyst carrier of the present invention is obtained.
- the acid point density ([A 1] / [S i] ratio) is appropriately adjusted in relation to its use.
- the [Al] / [Si] ratio is smaller than 0.01, the decomposition activity of high boiling oil components (components having a boiling point of 520 ° C or more) may rapidly decrease.
- the activity when the raw material oil is light, the activity may be controlled by adding 10 to 50% by weight of alumina or the like to the above-mentioned modified zeolite.
- a hydrogenation active metal is supported on the catalyst support.
- at least one selected from metals belonging to Groups 6, 8, 9, and 10 of the periodic table is used as the hydrogenation active metal.
- Tungsten and molybdenum are preferable as the metals belonging to Group 6 of the periodic table, and metals of Groups 8 to 10 of the periodic table may be used alone or in combination with a plurality of metals.
- the combination of Ni—Mo, Co—Mo, Ni—W, and Ni—Co—Mo is preferred because of its high hydrogenation activity and little deterioration.
- the content of the hydrogenation active metal is 0.1 to 10% by mass, preferably 1 to 8% by mass in terms of metal. / 0 , but it is preferable that the metal is supported so as to be 20% by mass or more, preferably 25 to 50% by mass with respect to the titanium group metal oxide.
- the average pore size of the catalyst is 5 to 30 nm, preferably 10 to 25 nm. The average pore diameter in this case was obtained by the nitrogen adsorption method (BJH method, measured pore diameter: 17 to 3,000 A).
- the form of the hydrogen-activated metal supported on the catalyst carrier is an oxide, sulfide, Z or a metal. Nickel, cobalt, platinum, palladium and the like have a high hydrogenation ability in a metal state.
- the processing conditions in this hydrocracking process include a reaction temperature of 300 to 450 ° C, a hydrogen partial pressure of 3 to 20 MPa, and a hydrogen / oil ratio of 200 to 2,000 Nm 3. / kl, LHS V (Liquid hourly space velocity) 0.1 to: L 0 hr— 1 , preferably reaction temperature 360 to 420 ° C, hydrogen partial pressure 10 to 18 MPa (G), hydrogen / oil ratio 4 00 ⁇ 800 Nm 3 Zk 1, LHSVO. is 2 ⁇ 2 hr- 1.
- reaction efficiency will decrease, and if the ratio exceeds the above ranges, the economic efficiency may decrease.
- the economic efficiency is reduced, and if it exceeds the above range, the reaction efficiency may be reduced.
- the catalyst used in this hydrodesulfurization step may be an ordinary hydrodesulfurization catalyst for heavy oil, that is, a carrier of alumina, silica, zeolite or a mixture thereof, etc.
- Zirconia carrier, alumina catalyst, etc.A catalyst comprising at least one selected from metals belonging to Groups 5, 6, 8, 9, and 10 of the periodic table on a carrier selected from carriers and the like, Light Light oil fraction reforming effect Suitable for high.
- the processing conditions in this hydrodesulfurization process are as follows: 50 ° C, Hydrogen partial pressure 3 ⁇ 201 ⁇ ? & Hydrogen / oil ratio 200 ⁇ 2, OO ONm 3 / kl, LH SV (Liquid hourly space velocity) 0.1 ⁇ : I 0 hr- 1 , preferably reaction temperature 300 ⁇ 420 ° (:, hydrogen partial pressure 1 0 ⁇ 1 8MP a (G), a hydrogen / oil ratio of 4 00 ⁇ S 00 N m 3 / k 1 ⁇ LHSVO 2 ⁇ 2 hr one 1..
- reaction efficiency will decrease, and if the ratios exceed the above ranges, the economic efficiency may decrease.
- the LHSV is below the above range, the economic efficiency is reduced, and if it exceeds the above range, the reaction efficiency may be reduced.
- the batch hydrodemetallization, batch hydrocracking, and batch hydrodesulfurization oils are introduced into the separation process according to ordinary methods, and are processed in multiple separation tanks to form gas and liquid parts. Is separated into Of these, the gaseous portion is subjected to treatment for improving hydrogen purity after removing hydrogen sulfide, ammonia, etc., and then combined with fresh feed gas before being recycled to the reaction process.
- the separated naphtha fraction is processed by the following methods (1) or (2) depending on the demand for products.
- the resulting oil may be used as it is, or it may be introduced into equipment for removing hydrogen sulfide accompanying desulfurization, for example, into a hydrogen sulfide stripper to obtain a reformed crude oil.
- the effect of using generated oil as reformed crude oil is that existing crude oil shipping facilities can be used as they are, and that large-sized crude oil tankers can be used to transport large quantities of products at low cost.
- the liquid part obtained in the separation step is introduced into the distillation step 7 and fractionated into products according to a conventional method.
- the conditions for fractionation at this time include, for example, naphtha fraction 71 at atmospheric pressure distillation 21 to 20: I 57 ° C, kerosene fraction 72 at 15 7 to 239 ° C, gas oil Naphtha, kerosene, gas oil (ultra low sulfur gas oil with a sulfur content of less than 10 ppm) and normal It can be fractionated in pressure residue.
- the atmospheric residue may be continuously distilled under reduced pressure to fractionate into vacuum gas oil and vacuum residue.
- the type of the reactor in the batch hydrodemetallation treatment, the batch hydrocracking treatment, and the batch hydrodesulfurization treatment is not particularly limited.
- a fixed bed, a moving bed, a fluidized bed, a boiling bed, a slurry bed Etc. can be adopted.
- hydrocracking catalyst supported Co and Mo on a carrier prepared by the method described in Example 115 of Patent No. 334101. '
- Example 1 Batch hydrodemetallization of crude oil, hydrocracking, hydrodesulfurization, case 1; see Fig. 1; In this order, 28% by volume of catalyst A and 33% by volume of catalyst B shown in Table 2 were charged into a 300 milliliter reaction tube, and 39% by volume of catalyst C were charged into a 300 milliliter reaction tube. The reaction was performed in series. The raw fuel oil, the Arabian heavy desalted crude oil shown in Table 1 was supplied, the hydrogen partial pressure 1 3.
- Atmospheric pressure residue was further subjected to simple distillation under reduced pressure to separate reduced pressure gas oil (343-525 ° C).
- Table 3 also shows the properties of vacuum gas oil.
- Kerosene fractions and gas oil fractions have high quality with very few sulfur, aromatics and polycyclic aromatics.
- gas oil has a sulfur content of less than 10 ppm.
- the raw material, Arabian heavy crude is hydrocracked, reducing its density and increasing the liquid volume by about 8%.
- Example 1 To each of the catalysts shown in Example 1, the Arabian heavy demineralized crude oil shown in Table 1 was supplied, and the oil was passed for 1,500 hours under the same conditions as in Example 1.
- Table 3 shows the properties of each fraction of the product oil obtained by this treatment.
- Example 1 high-quality kerosene fraction and gas oil fraction with extremely low sulfur, aromatic and polycyclic aromatic content were obtained, and the sulfur content of kerosene and diesel was 10 pp. less than m.
- Example 1 The hydrodesulfurization catalyst C and the hydrocracking catalyst B of Example 1 were oiled for 1,500 hours under the same conditions as in Example 1 except that the order of treatment was changed without changing the filling amount.
- Table 3 shows the properties of each fraction of the product oil obtained by this treatment.
- Example 1 high-quality kerosene fraction and gas oil fraction with extremely low sulfur content, aromatic content and polycyclic aromatic content are obtained, and the sulfur content of kerosene gas oil is less than 10 ppm.
- the hydrodesulfurization catalyst C and the hydrocracking catalyst B of Example 2 were passed for 1,500 hours under the same conditions as in Example 2 except that the order of treatment was changed without changing the filling amount.
- Table 3 shows the properties of each fraction of the product oil obtained by this treatment.
- Example 2 high-quality kerosene fraction and gas oil fraction with extremely low sulfur content, aromatic content and polycyclic aromatic content are obtained, and the sulfur content of kerosene fuel oil is less than 10 ppm.
- Example 5 (Refer to Fig. 5 in case of batch hydrodemetallation of crude oil, hydrodesulfurization, hydrocracking, hydrodesulfurization treatment, case 5)
- Example 1 Half of the hydrodesulfurization catalyst C shown in Example 1 (19.5% by volume) was placed after the hydrodehydrogenation catalyst A, and the other half was placed after the hydrocracking catalyst B.
- the feedstock was supplied in the order of Catalyst C, Catalyst B and then Catalyst C.
- the reaction conditions of each catalyst were the same as in Example 1.
- Table 3 shows the properties of each fraction of the product oil obtained by this treatment.
- Example 1 high-quality kerosene fraction and gas oil fraction with extremely low sulfur, aromatic and polycyclic aromatic content were obtained, and the sulfur content of kerosene and diesel was 10 pp. m.
- Example 2 Half of the hydrodesulfurization catalyst C (19.5% by volume) shown in Example 2 was disposed after the hydrotreating demetalization catalyst A, and the other half was disposed after the hydrocracking catalyst B.
- the feedstock was supplied in the order of Catalyst C, Catalyst B and then Catalyst C.
- the reaction conditions for each catalyst were exactly the same as in Example 2.
- Table 3 shows the properties of each fraction of the product oil obtained by this treatment.
- Example 2 high-quality kerosene fractions and gas oil fractions with very little sulfur, aromatics, and polycyclic aromatics are obtained, and the sulfur content of kerosene oil is less than 10 ppm.
- Vacuum gas oil fraction (17.1) 0.890 3,300 '350
- catalyst A shown in Table 2 was placed in a volume of 283 ⁇ 4 ° C, catalyst D, which is a conventional catalyst for elongating cracking, in a volume of 33% by volume.
- the contents were filled in a reaction tube of 300 milliliters in the same manner, and the reaction was carried out by connecting them in series in this order.
- Other conditions are the same as in the first embodiment.
- Table 5 shows the properties of the product oil A17 obtained by this treatment.
- the produced oil A obtained in the above-mentioned reaction (2) is separated into naphtha, kerosene, gas oil, and vacuum gas oil fractions by a batch type distillation apparatus, According to continuous gas-liquid separation adiabatic calculation using Sim Sim process simulator (product name: PRO / ⁇ Ver.5), the gas phase at 340 and total pressure of 13.2 MPa (A) was obtained. Based on the results of the above composition calculation, a hydrogenated feedstock B18 having the same composition as that of the gas phase fluid in the high-temperature high-pressure gas-liquid separation tank was prepared. Table 2.4 shows the properties of this hydroreforming feedstock.
- the hydrogenation catalyst D described in Table 2 of JP-A-2000-1.36391 was charged into a 30-milliliter reactor tube, and the hydrogenated reforming feedstock B18 shown in Table 4 was hydrogenated.
- Oil was passed at O hr _1 .
- Residual oil obtained when the hydrogenated reforming feedstock B was prepared from the generated oil A during the oil passing time of 1 5,000 2,000 hours that is, the liquid phase fluid 19 in the high-pressure high-temperature gas-liquid separation tank and the above-mentioned hydrogenated reformed oil 20 were mixed in a predetermined ratio to obtain a produced oil C.21.
- the obtained product oil C21 was subjected to LPG (propane + pentane), naphtha fraction (pentane to 157 ° C), and kerosene fraction (157723C) , A gas oil fraction (239 343 ° C) and a normal pressure residue (fraction above 343 ° C) were separated by distillation and the quality of each fraction was analyzed. Table 5 shows the properties of each fraction at this time. The quality of kerosene and gas oil is improved by going through the hydro-reforming process after high-pressure high-temperature gas-liquid separation, but the quality is inferior to Example 1, and the sulfur content of gas oil exceeds 50 ppm .
- a hydrogenated feedstock having the same composition as that of the gas-phase fluid in the high-temperature high-pressure gas-liquid separation tank was prepared by the method shown in (1) of Comparative Example 1 and hydrotreated. Table 5 shows the properties of each fraction at this time.
- Example 2 Compared with Example 2, the kerosene fraction and the gas oil fraction were inferior in the sulfur, aromatic and polycyclic aromatic qualities.
- the sulfur content of gas oil is over 50 ppm.
- the quality of kerosene gas oil in the resulting product oil is greatly improved in performing batch catalytic hydrogenation of crude oil or crude oil excluding naphtha fraction, and sulfur content is 10 ppm. It is possible to provide a hydrotreating method capable of producing an ultra-low sulfur kerosene gas oil having a low level and a method of producing an ultra-low sulfur kerosene oil from the resulting oil.
Description
Claims
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EP04716317A EP1600491A1 (en) | 2003-03-04 | 2004-03-02 | Catalytic hydrorefining process for crude oil |
MXPA05009298A MXPA05009298A (es) | 2003-03-04 | 2004-03-02 | Proceso de hidrorrefinacion para petroleo crudo. |
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US8372267B2 (en) | 2008-07-14 | 2013-02-12 | Saudi Arabian Oil Company | Process for the sequential hydroconversion and hydrodesulfurization of whole crude oil |
US9260671B2 (en) | 2008-07-14 | 2016-02-16 | Saudi Arabian Oil Company | Process for the treatment of heavy oils using light hydrocarbon components as a diluent |
US8491779B2 (en) | 2009-06-22 | 2013-07-23 | Saudi Arabian Oil Company | Alternative process for treatment of heavy crudes in a coking refinery |
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JP2004263117A (ja) | 2004-09-24 |
MXPA05009298A (es) | 2006-03-21 |
CN1756831A (zh) | 2006-04-05 |
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