WO2003080768A1 - Procede d'isomerisation d'hydrocarbures - Google Patents
Procede d'isomerisation d'hydrocarbures Download PDFInfo
- Publication number
- WO2003080768A1 WO2003080768A1 PCT/JP2003/003182 JP0303182W WO03080768A1 WO 2003080768 A1 WO2003080768 A1 WO 2003080768A1 JP 0303182 W JP0303182 W JP 0303182W WO 03080768 A1 WO03080768 A1 WO 03080768A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- hydrocarbon
- group
- metal component
- catalyst
- weight
- Prior art date
Links
- 229930195733 hydrocarbon Natural products 0.000 title claims abstract description 60
- 150000002430 hydrocarbons Chemical class 0.000 title claims abstract description 60
- 239000004215 Carbon black (E152) Substances 0.000 title claims abstract description 41
- 238000000034 method Methods 0.000 title claims abstract description 35
- 229910052751 metal Inorganic materials 0.000 claims abstract description 63
- 239000002184 metal Substances 0.000 claims abstract description 63
- 239000003054 catalyst Substances 0.000 claims abstract description 51
- 238000006317 isomerization reaction Methods 0.000 claims abstract description 40
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical group [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims abstract description 35
- 229930195734 saturated hydrocarbon Natural products 0.000 claims abstract description 21
- 239000011973 solid acid Substances 0.000 claims abstract description 20
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 19
- 239000001257 hydrogen Substances 0.000 claims abstract description 19
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 claims abstract description 9
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 8
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000010937 tungsten Substances 0.000 claims abstract description 8
- 229910052726 zirconium Inorganic materials 0.000 claims abstract description 8
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 7
- 229910052721 tungsten Inorganic materials 0.000 claims abstract description 7
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims abstract description 6
- 229910052735 hafnium Inorganic materials 0.000 claims abstract description 6
- VBJZVLUMGGDVMO-UHFFFAOYSA-N hafnium atom Chemical compound [Hf] VBJZVLUMGGDVMO-UHFFFAOYSA-N 0.000 claims abstract description 6
- 229910052719 titanium Inorganic materials 0.000 claims abstract description 6
- 239000010936 titanium Substances 0.000 claims abstract description 6
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims abstract description 5
- 229910052750 molybdenum Inorganic materials 0.000 claims abstract description 5
- 239000011733 molybdenum Substances 0.000 claims abstract description 5
- 125000004435 hydrogen atom Chemical class [H]* 0.000 claims abstract description 3
- 125000004432 carbon atom Chemical group C* 0.000 claims description 29
- 239000007795 chemical reaction product Substances 0.000 claims description 7
- 239000002994 raw material Substances 0.000 description 21
- 239000011148 porous material Substances 0.000 description 20
- 239000003502 gasoline Substances 0.000 description 18
- 239000000843 powder Substances 0.000 description 17
- 238000006243 chemical reaction Methods 0.000 description 16
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 14
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 12
- 238000010304 firing Methods 0.000 description 12
- 239000000463 material Substances 0.000 description 12
- TVMXDCGIABBOFY-UHFFFAOYSA-N octane Chemical compound CCCCCCCC TVMXDCGIABBOFY-UHFFFAOYSA-N 0.000 description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 11
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 10
- 239000007788 liquid Substances 0.000 description 10
- 229910044991 metal oxide Inorganic materials 0.000 description 10
- 150000004706 metal oxides Chemical class 0.000 description 10
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 9
- 239000007789 gas Substances 0.000 description 8
- 150000002431 hydrogen Chemical class 0.000 description 8
- 238000004898 kneading Methods 0.000 description 8
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- 239000002243 precursor Substances 0.000 description 8
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 7
- 150000002736 metal compounds Chemical class 0.000 description 7
- 239000002245 particle Substances 0.000 description 7
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 6
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 6
- 238000000354 decomposition reaction Methods 0.000 description 6
- 239000000203 mixture Substances 0.000 description 6
- 229910052757 nitrogen Inorganic materials 0.000 description 6
- 229910052697 platinum Inorganic materials 0.000 description 6
- 238000001035 drying Methods 0.000 description 5
- 238000000465 moulding Methods 0.000 description 5
- 239000000523 sample Substances 0.000 description 5
- 239000000243 solution Substances 0.000 description 5
- 229910052717 sulfur Inorganic materials 0.000 description 5
- 239000011593 sulfur Substances 0.000 description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- 150000001338 aliphatic hydrocarbons Chemical class 0.000 description 4
- 239000012298 atmosphere Substances 0.000 description 4
- 229910052799 carbon Inorganic materials 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 239000003921 oil Substances 0.000 description 4
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 3
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 229910021536 Zeolite Inorganic materials 0.000 description 3
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- RKTYLMNFRDHKIL-UHFFFAOYSA-N copper;5,10,15,20-tetraphenylporphyrin-22,24-diide Chemical compound [Cu+2].C1=CC(C(=C2C=CC([N-]2)=C(C=2C=CC=CC=2)C=2C=CC(N=2)=C(C=2C=CC=CC=2)C2=CC=C3[N-]2)C=2C=CC=CC=2)=NC1=C3C1=CC=CC=C1 RKTYLMNFRDHKIL-UHFFFAOYSA-N 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 3
- QWTDNUCVQCZILF-UHFFFAOYSA-N iso-pentane Natural products CCC(C)C QWTDNUCVQCZILF-UHFFFAOYSA-N 0.000 description 3
- 238000000691 measurement method Methods 0.000 description 3
- 229910000000 metal hydroxide Inorganic materials 0.000 description 3
- 150000004692 metal hydroxides Chemical class 0.000 description 3
- 229910052763 palladium Inorganic materials 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 229910052707 ruthenium Inorganic materials 0.000 description 3
- 238000005245 sintering Methods 0.000 description 3
- 239000010457 zeolite Substances 0.000 description 3
- IVORCBKUUYGUOL-UHFFFAOYSA-N 1-ethynyl-2,4-dimethoxybenzene Chemical compound COC1=CC=C(C#C)C(OC)=C1 IVORCBKUUYGUOL-UHFFFAOYSA-N 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 150000007513 acids Chemical class 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 238000001354 calcination Methods 0.000 description 2
- 150000001768 cations Chemical class 0.000 description 2
- 229910052801 chlorine Inorganic materials 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 239000010779 crude oil Substances 0.000 description 2
- 230000002542 deteriorative effect Effects 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 2
- 229910052753 mercury Inorganic materials 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 150000002927 oxygen compounds Chemical class 0.000 description 2
- 239000003208 petroleum Substances 0.000 description 2
- 238000000634 powder X-ray diffraction Methods 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 150000003464 sulfur compounds Chemical class 0.000 description 2
- FYSNRJHAOHDILO-UHFFFAOYSA-N thionyl chloride Chemical compound ClS(Cl)=O FYSNRJHAOHDILO-UHFFFAOYSA-N 0.000 description 2
- KOAWAWHSMVKCON-UHFFFAOYSA-N 6-[difluoro-(6-pyridin-4-yl-[1,2,4]triazolo[4,3-b]pyridazin-3-yl)methyl]quinoline Chemical compound C=1C=C2N=CC=CC2=CC=1C(F)(F)C(N1N=2)=NN=C1C=CC=2C1=CC=NC=C1 KOAWAWHSMVKCON-UHFFFAOYSA-N 0.000 description 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- 238000004438 BET method Methods 0.000 description 1
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- 229910052684 Cerium Inorganic materials 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 241000723368 Conium Species 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- PQUCIEFHOVEZAU-UHFFFAOYSA-N Diammonium sulfite Chemical compound [NH4+].[NH4+].[O-]S([O-])=O PQUCIEFHOVEZAU-UHFFFAOYSA-N 0.000 description 1
- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical compound [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- NTIZESTWPVYFNL-UHFFFAOYSA-N Methyl isobutyl ketone Chemical compound CC(C)CC(C)=O NTIZESTWPVYFNL-UHFFFAOYSA-N 0.000 description 1
- UIHCLUNTQKBZGK-UHFFFAOYSA-N Methyl isobutyl ketone Natural products CCC(C)C(C)=O UIHCLUNTQKBZGK-UHFFFAOYSA-N 0.000 description 1
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 239000003377 acid catalyst Substances 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- VXAUWWUXCIMFIM-UHFFFAOYSA-M aluminum;oxygen(2-);hydroxide Chemical compound [OH-].[O-2].[Al+3] VXAUWWUXCIMFIM-UHFFFAOYSA-M 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 description 1
- 229910052921 ammonium sulfate Inorganic materials 0.000 description 1
- 235000011130 ammonium sulphate Nutrition 0.000 description 1
- 210000003323 beak Anatomy 0.000 description 1
- 229910001593 boehmite Inorganic materials 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- ZMIGMASIKSOYAM-UHFFFAOYSA-N cerium Chemical compound [Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce] ZMIGMASIKSOYAM-UHFFFAOYSA-N 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 239000004927 clay Substances 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
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000000306 component Substances 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 239000013256 coordination polymer Substances 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
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- 238000004231 fluid catalytic cracking Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 229910052733 gallium Inorganic materials 0.000 description 1
- 238000004817 gas chromatography Methods 0.000 description 1
- 238000002309 gasification Methods 0.000 description 1
- 229910052732 germanium Inorganic materials 0.000 description 1
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 230000003301 hydrolyzing effect Effects 0.000 description 1
- FAHBNUUHRFUEAI-UHFFFAOYSA-M hydroxidooxidoaluminium Chemical compound O[Al]=O FAHBNUUHRFUEAI-UHFFFAOYSA-M 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 229910052741 iridium Inorganic materials 0.000 description 1
- GKOZUEZYRPOHIO-UHFFFAOYSA-N iridium atom Chemical compound [Ir] GKOZUEZYRPOHIO-UHFFFAOYSA-N 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 229910052746 lanthanum Inorganic materials 0.000 description 1
- FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical compound [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000012702 metal oxide precursor Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 229910000476 molybdenum oxide Inorganic materials 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 230000003472 neutralizing effect Effects 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229910052758 niobium Inorganic materials 0.000 description 1
- 239000010955 niobium Substances 0.000 description 1
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 description 1
- 150000002823 nitrates Chemical class 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 239000012299 nitrogen atmosphere Substances 0.000 description 1
- 229910017464 nitrogen compound Inorganic materials 0.000 description 1
- 150000002830 nitrogen compounds Chemical class 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 150000002902 organometallic compounds Chemical class 0.000 description 1
- 229910052762 osmium Inorganic materials 0.000 description 1
- SYQBFIAQOQZEGI-UHFFFAOYSA-N osmium atom Chemical compound [Os] SYQBFIAQOQZEGI-UHFFFAOYSA-N 0.000 description 1
- PQQKPALAQIIWST-UHFFFAOYSA-N oxomolybdenum Chemical class [Mo]=O PQQKPALAQIIWST-UHFFFAOYSA-N 0.000 description 1
- 238000003921 particle size analysis Methods 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- -1 platinum group metals Chemical class 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 229910052703 rhodium Inorganic materials 0.000 description 1
- 239000010948 rhodium Substances 0.000 description 1
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L sulfate group Chemical group S(=O)(=O)([O-])[O-] QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
- 229910001930 tungsten oxide Inorganic materials 0.000 description 1
- CMPGARWFYBADJI-UHFFFAOYSA-L tungstic acid Chemical compound O[W](O)(=O)=O CMPGARWFYBADJI-UHFFFAOYSA-L 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- GPPXJZIENCGNKB-UHFFFAOYSA-N vanadium Chemical compound [V]#[V] GPPXJZIENCGNKB-UHFFFAOYSA-N 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 229910052727 yttrium Inorganic materials 0.000 description 1
- VWQVUPCCIRVNHF-UHFFFAOYSA-N yttrium atom Chemical compound [Y] VWQVUPCCIRVNHF-UHFFFAOYSA-N 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 229910021512 zirconium (IV) hydroxide Inorganic materials 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G45/00—Refining of hydrocarbon oils using hydrogen or hydrogen-generating compounds
- C10G45/58—Refining of hydrocarbon oils using hydrogen or hydrogen-generating compounds to change the structural skeleton of some of the hydrocarbon content without cracking the other hydrocarbons present, e.g. lowering pour point; Selective hydrocracking of normal paraffins
- C10G45/60—Refining of hydrocarbon oils using hydrogen or hydrogen-generating compounds to change the structural skeleton of some of the hydrocarbon content without cracking the other hydrocarbons present, e.g. lowering pour point; Selective hydrocracking of normal paraffins characterised by the catalyst used
- C10G45/62—Refining of hydrocarbon oils using hydrogen or hydrogen-generating compounds to change the structural skeleton of some of the hydrocarbon content without cracking the other hydrocarbons present, e.g. lowering pour point; Selective hydrocracking of normal paraffins characterised by the catalyst used containing platinum group metals or compounds 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
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
- B01J23/54—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
- B01J23/56—Platinum group metals
- B01J23/64—Platinum group metals with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- B01J23/652—Chromium, molybdenum or tungsten
-
- 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
- B01J21/066—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
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
- B01J23/54—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
- B01J23/56—Platinum group metals
- B01J23/64—Platinum group metals with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- B01J23/652—Chromium, molybdenum or tungsten
- B01J23/6527—Tungsten
-
- 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
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
- B01J35/61—Surface area
- B01J35/615—100-500 m2/g
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- 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
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
- B01J35/63—Pore volume
- B01J35/633—Pore volume less than 0.5 ml/g
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- 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
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
- B01J35/64—Pore diameter
- B01J35/647—2-50 nm
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- 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
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/0009—Use of binding agents; Moulding; Pressing; Powdering; Granulating; Addition of materials ameliorating the mechanical properties of the product catalyst
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- 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
- C10G2400/00—Products obtained by processes covered by groups C10G9/00 - C10G69/14
- C10G2400/02—Gasoline
Definitions
- the present invention relates to an isomerization method for converting a saturated hydrocarbon having 7 and 8 carbon atoms, in particular, a linear saturated hydrocarbon into a branched saturated hydrocarbon having the same carbon number.
- Liquid fuel for spark ignition type internal combustion engines is usually produced by blending a petroleum fraction obtained by distilling crude oil and a gasoline base material obtained by treating such petroleum fraction. Have been.
- the carbon number of hydrocarbons in gasoline is usually about 4-10.
- Gazoline has an octane number as a typical figure of merit.
- a gasoline base material having a high octane number is a modified gasoline mainly composed of an aromatic hydrocarbon having 7 to 9 carbon atoms such as toluene.
- Substrate (reformate) is used.
- the present invention proposes a method for isomerizing a hydrocarbon containing a saturated hydrocarbon having 7 or 8 carbon atoms (so-called heavy naphtha).
- the present inventors have found that, when a specific isomerization catalyst is used, the isomerization is efficiently performed by restricting the composition of the raw materials, and completed the present invention.
- the method for isomerizing a hydrocarbon according to the present invention comprises the steps of: selecting a hydrocarbon containing 50% by weight or more of a saturated hydrocarbon having 7 or 8 carbon atoms in the presence of hydrogen from the group consisting of titanium, zirconium and hafnium; Contacting a solid acid catalyst in which a platinum group metal component is supported on a support containing as a metal component at least one group metal component and at least one group VI metal component selected from the group consisting of tungsten and molybdenum Things.
- This isomerization reaction is preferably carried out at a temperature of 190 to 250 ° C. and at a pressure of 0.8 to 1 OMPa.
- the carrier comprises aluminum as a metal component. It is preferable to use a solid acid catalyst containing the same.
- a hydrocarbon containing 50% by weight or more of a saturated hydrocarbon having 7 or 8 carbon atoms is combined with at least one group IV metal component selected from the group consisting of titanium, zirconium and hafnium.
- a method for isomerizing a hydrocarbon by contacting a solid acid catalyst in which a platinum group metal component is supported on a support containing, as a metal component, at least one group VI metal component selected from the group consisting of tungsten and molybdenum;
- the reaction product obtained by the hydrocarbon isomerization method described in 1 above is separated into a fraction mainly containing branched hydrocarbons and a fraction mainly containing straight-chain hydrocarbons.
- a base material having a high octane number and a high yield can be obtained by efficiently isomerizing a saturated hydrocarbon having 7 or 8 carbon atoms, thereby deteriorating the operating performance of a gasoline engine. It is possible to reduce the aromatic content in gasoline without causing any gasification.
- the solid acid catalyst used in the present invention comprises one or more Group IV metal components selected from the group consisting of titanium, zirconium and hafnium and one or more Group VI metal components selected from the group consisting of tungsten and molybdenum.
- a platinum group metal component is supported on a carrier that is included as a component. Jill as Group IV metal component Conium is preferred, and tungsten is preferred as the Group VI metal component.
- the catalyst contains a Group IV metal component in an amount of 10 to 72% by weight, particularly 20 to 60% by weight, as a metal element weight. It is preferable that the catalyst contains a Group VI metal component in an amount of 2 to 30% by weight, particularly 5 to 20% by weight, and more preferably 10 to 15% by weight as a metal element weight.
- the support is substantially composed of a metal oxide. The metal oxide is defined as including a hydrated metal oxide.
- the carrier may contain other metal components such as boron, magnesium, aluminum, silicon, phosphorus, calcium, vanadium, chromium, manganese, iron, cobalt, in addition to oxides which may be oxides including hydrated oxides.
- Nickel, copper, zinc, gallium, germanium, yttrium, niobium, tin, lanthanum, cerium, and the like may be contained alone or as a mixture, or as a composite metal oxide such as zeolite.
- aluminum is contained in the catalyst carrier in an amount of 3 to 30%, particularly 5 to 25% by weight as aluminum element weight.
- a halogen may be contained as necessary for improving the performance of the acid catalyst.
- This catalyst does not necessarily need to contain sulfuric acid, but when sulfuric acid is included, the proportion of sulfuric acid in the catalyst is usually 0.1% by weight or less as elemental sulfur.
- the sulfuric acid content can be supported by, for example, bringing a sulfur-containing acidic compound into contact with a carrier and performing a heat treatment at a temperature higher than 300 ° C. and lower than 800 ° C.
- Examples of such a sulfur-containing acidic compound include sulfuric acid, ammonium sulfate, sulfurous acid, ammonium sulfite, thionyl chloride, and the like. These compounds may be used as they are or as a solution such as an aqueous solution.
- the ratio (S28 / S30) of the area (S28) is preferably 1.0 or less, particularly preferably 0.05 or less.
- the alumina is preferably made of crystalline, particularly, substantially alumina.
- the solid acid catalyst of the present invention contains one or more metals selected from the group consisting of platinum group metals.
- the platinum group metal include platinum, palladium, ruthenium, rhodium, iridium, and osmium.
- platinum, palladium and ruthenium, particularly platinum are used.
- the ratio of the platinum group metal component in the catalyst is 0.01 to 10% by weight, particularly 0.5 to 5% by weight, and more preferably 0. 0.1 to 2% by weight is preferred. If the content of the platinum group metal component is too small, the effect of improving the catalyst performance is unpreferably low. If the content of the platinum group metal component is too large, the specific surface area and pore volume of the catalyst are reduced, which is not preferable.
- the platinum group metal component is preferably crystallized. This can be confirmed by a clear diffraction peak of the platinum group metal by powder X-ray diffraction.Specifically, when the area of the diffraction peak of the fully crystallized platinum group metal is 100%, the same position is obtained. It is preferable to exhibit a peak having an area of 30% or more, particularly 50% or more. Further, the crystallite diameter of the platinum group metal is preferably 1 Onm or less, particularly preferably 1 to 1 Onm.
- the specific surface area of the solid acid catalyst is preferably 50 to 500 m 2 / g, particularly preferably 60 to 30 Om 2 / g, and more preferably 70 to 20 Om 2 Zg.
- the specific surface area can be measured by a commonly known BET method.
- the pore structure of the solid acid catalyst of the present invention is measured by a nitrogen adsorption method for a pore diameter in the range of 0.002 to 0.05 m, and by a mercury intrusion method for a pore diameter of 0.05 to 10 m. it can. Pore diameter pore volume of 0. from 002 to 1 0 m is 0. 2 cm 3 / g or more, and particularly 0. 25 cm 3 / g ⁇ l. 0 cm 3 / g are preferred.
- the central pore diameter in the range of 0.002 to 0.05 / m in pore diameter is preferably 50 to 200 A, particularly preferably 70 to 150 A.
- the solid acid catalyst is not a powder, but a shaped form, so-called pellets It can be easily obtained in a size of 0.5 to 20 mm, and usually 0.5 to 20 mm, particularly preferably 0.6 to 5 mm is preferably used as the average particle size. It is required.
- the mechanical strength of the catalyst is 1.0 kg or more, more preferably 2.0 kg or more, as the side crushing strength of a cylindrical pellet having a diameter of 1.5 mm.
- the method for producing the solid acid catalyst is not particularly limited.
- One example is a powder that is a precursor of the metal oxide of the Group IV metal component constituting the carrier (hereinafter referred to as “precursor powder”).
- precursor powder a powder that is a precursor of the metal oxide of the Group IV metal component constituting the carrier.
- a manufacturing method is used in which a Group VI metal compound is added to powder of metal oxide and / or metal hydroxide, kneaded, molded, and calcined to form a carrier, and the platinum group metal is supported on the carrier. .
- the method will be described below in accordance with this method, but the order of forming and firing the carrier, compounding the group VI metal component, and loading the platinum group metal can be changed.
- the precursor powder of a Group IV metal oxide selected from titanium, zirconium and hafnium is to be a metal oxide constituting a carrier by firing after molding, and may be produced in any manner. Can be obtained by neutralizing or hydrolyzing a metal salt or an organometallic compound, washing and drying.
- zirconium hydroxide including hydrated oxide
- alumina hydrate such as boehmite
- a composite metal hydroxide and / or a composite metal hydrated oxide can be used as the precursor powder.
- the amount of the powder of the precursor of the Group IV metal oxide is such that the amount of the Group IV metal component in the finally obtained solid acid catalyst is 10 to 72% by weight as a metal element, and especially 20 to 6%. It is preferable to add so as to be 0% by weight.
- Group VI metal compounds include tungsten or molybdenum oxides, chlorides, sulfates, nitrates, etc. Polyacids are preferably used, and tungstates and molybdates are most preferably used.
- the Group VI metal compound may be used as it is or as a solution such as an aqueous solution.
- the Group VI metal compound may be prepared in consideration of the amount of the solution necessary for kneading, and there is no particular limitation on the concentration of the solution, either in a solid state or in a liquid state.
- the amount of the Group VI metal compound added is such that the Group VI metal component in the finally obtained solid acid catalyst is 2 to 30% by weight, preferably 5 to 20% by weight of the Group VI metal element. It is particularly preferred that the content be 10 to 15% by weight.
- the method of kneading is not particularly limited, and a kneading machine generally used for catalyst preparation can be used.
- a solvent such as water
- the mixture is mixed with a stirring blade
- water is usually added as the above solvent, but an organic solvent such as ethanol, isopropanol, acetone, methyl ethyl ketone, and methyl isobutyl ketone may be added.
- the kneading temperature and kneading time vary depending on the precursor powder of the hydrated metal oxide and / or metal hydroxide used as the raw material and the sulfur-containing compound, provided that the preferred pore structure is obtained. There is no particular limitation. Similarly, as long as the catalytic properties of the present invention are maintained, an acid such as nitric acid, a base such as ammonia, an organic compound, a metal salt, a ceramic fiber, a surfactant, a zeolite, and a clay are added and kneaded. It does not matter.
- the molding method after kneading is not particularly limited, and a molding method generally used for catalyst preparation can be used.
- extrusion molding using a screw type extruder or the like is preferably used because it can be efficiently molded into an arbitrary shape such as a pellet shape or a honeycomb shape.
- the size of the molded article is not particularly limited, it is usually molded to have a cross-sectional length of 0.5 to 20 mm.
- a pellet having a diameter of about 0.5 to 10 mm and a length of about 0.5 to 15 mm can be easily obtained.
- the firing after the molding is performed in a gas atmosphere such as air or nitrogen, but is particularly preferably performed in air.
- the firing temperature varies depending on other firing conditions such as the firing time and the gas flow rate, but is generally 400 to 900 ° C, preferably 500 to 800 ° C.
- the firing time varies depending on other firing conditions such as the firing temperature and the gas flow rate, but is generally preferably 0.05 to 20 hours, particularly preferably 0.1 to 10 hours, and more preferably 0.2 to 5 hours.
- the supporting of the platinum group metal on the calcined carrier can be carried out by preparing a supporting solution containing the platinum group metal and impregnating the carrier.
- the carrier liquid chloroplatinic acid, dichlorotetraammineplatinum, tetrachlorohexaamineplatinum, or the like can be used.
- the metal component selected as the platinum group metal component platinum, palladium, ruthenium or the like is preferable, and platinum is particularly preferably used. Further, the platinum group metal component may include a metal component of another group.
- the addition amount of these metal compounds is such that the total amount of the platinum group metal components in the solid acid catalyst is 0.01 to 10% by weight, particularly 0.05 to 5% by weight, and more preferably 0.1 to 10% by weight as the metal element weight. It is preferable to add it so as to be about 2% by weight.
- the method for impregnating the carrier liquid is not particularly limited, but it can be performed by spraying, dipping, or the like. After impregnation, it is usually stabilized by drying, baking and the like.
- the sintering temperature varies depending on other sintering conditions such as the sintering time, but is generally 300 to 800 ° C, preferably 400 to 800 ° C, and more preferably 500 to 700 ° C.
- the firing time varies depending on other firing conditions such as temperature, it is generally preferably 0.05 to 20 hours, particularly 0.1 to 10 hours, and more preferably 0.2 to 5 hours.
- the calcination is preferably performed at a temperature equal to or higher than the heat treatment temperature such as calcination in the step of producing the catalyst carrier. Drying and firing are performed in a gas atmosphere such as air or nitrogen, but it is particularly preferable to perform the drying in air. Reduction is in an air stream containing hydrogen It is preferable to carry out in.
- the total amount of the saturated hydrocarbons having 7 and 8 carbon atoms is 50% by weight or more, preferably 70% by weight or more of the whole raw material Use hydrogen.
- the components other than hydrocarbons having 7 and 8 carbon atoms in the raw materials are mainly hydrocarbons having 9 or more carbon atoms. Since hydrocarbons having 6 or less carbon atoms can be isomerized by a known method that is simpler than this method, they are separated from the raw materials used for the isomerization reaction of the present invention and separately treated. Therefore, the raw material used in the isomerization reaction of the present invention does not substantially contain a hydrocarbon having 6 or less carbon atoms, and is usually less than 10% by weight.
- hydrocarbon used as a raw material in the isomerization reaction of the present invention a heavy naphtha fraction obtained by distilling crude oil from a normal pressure or a fluid catalytic cracking unit, or a fraction further separated by distillation as necessary can be used.
- a saturated hydrocarbon oil synthesized from coal liquefaction or natural gas, or a hydrocarbon oil obtained by decomposing them can be used as a raw material.
- Isomerization reaction temperature 1 9 0 ⁇ 2 5 0 ° C, particularly in the 2 0 0 ⁇ 2 2 5 ° C is preferably c below this temperature range, the isomerization reaction do not substantially proceed, the temperature range Above, the decomposition reaction mainly occurs.
- the preferable range of LHSV liquid hourly space velocity
- the preferable range of hydrogen / raw material ratio is to saturate the unsaturated components (olefine and aromatic components) contained in the raw hydrocarbon. It is more than the required amount of hydrogen, especially 0.01 to 1 Omo1 / mo1.
- the coexisting water during the isomerization reaction is preferably low.
- the water content in the hydrocarbon is preferably 15 ppm or less, more preferably 10 ppm or less, and particularly preferably 5 ppm or less.
- the water content in hydrogen is preferably 15 ppm or less, more preferably 10 ppm or less, and particularly preferably 5 ppm or less. In this range, hydrocarbon decomposition is suppressed, and the yield of branched hydrocarbons and the yield of liquid are improved.
- the isomerization reaction is preferably carried out under a pressure of 0.8 to IOMPa, particularly 1.0 to 8 MPa, and more preferably 2 to 4 MPa. If the amount is less than this range, the raw hydrocarbon is easily decomposed, and the liquid yield is reduced.
- the reaction product obtained by the hydrocarbon isomerization method is separated into a fraction mainly containing a branched hydrocarbon and a fraction mainly containing a straight-chain hydrocarbon, and mainly contains the straight-chain hydrocarbon.
- the fraction can be used as a raw material for further isomerization.
- Fig. 1 shows an example of an isomerization reactor.
- the hydrocarbon raw material 10 is introduced into the dehydrator 20 together with the supplied hydrogen 11, and after reducing the water content, is introduced into the first reactor 30 filled with a catalyst and isomerized.
- the products of the first reactor 30 are composed of unreacted components 41 mainly containing linear hydrocarbons not isomerized in the separation column 40 and gasoline groups mainly containing isomerized and branched hydrocarbons.
- Material 42 and gas components 43 containing methane, hydrogen, etc. generated by the decomposition of hydrogen and hydrocarbons are mixed with the hydrocarbon raw material 10 and recycled to be a raw material for the isomerization reaction again.
- Gasoline base 42 is blended with other base materials to produce gasoline products.
- the gas component 43 is separated into hydrocarbon gas 51 and recycled hydrogen 52 in the hydrogen separation tower 50, and the recycled hydrogen 52 is mixed with the supplied hydrogen 11 and reused.
- a second reactor (not shown) filled with a catalyst may be provided separately to further perform the isomerization of the unreacted component 41.
- FIG. 1 is a diagram showing an embodiment of the isomerization reaction device. BEST MODE FOR CARRYING OUT THE INVENTION
- MICROTRAC particle size analyzer was used to measure by wet measurement method (This method disperses powder in water, irradiates the flowing aggregated particles with laser light, The particle size analysis is performed by the forward scattered light of the above.
- the specific surface area and the pore structure in the range of 0.002 to 0.05 ⁇ m in pore diameter were measured by a nitrogen adsorption method using an ASAP2400 type measuring device manufactured by Microsoft Corporation.
- the pore diameter in the range of 0.05 to 10 ⁇ m was measured by a mercury intrusion method using an AuToPore 9200 type measuring device manufactured by Microsoft Corporation.
- TH_203 CP tablet breaking strength measuring instrument was used to measure the side crushing strength of a sample extruded into a cylindrical shape, dried and fired.
- the probe used was a circular probe with a 4.5 mm diameter tip.
- the operation of applying the measurement probe to the center of the side of the cylindrical sample was repeated 20 times, and the average value was calculated.
- a commercially available dried zirconium hydroxide powder having an average particle size of 1.5 was used as hydrous zirconium powder.
- a commercially available pseudo-boehmite powder having an average particle size of 10 m was used as the hydrous alumina powder.
- This hydrous zirconia powder 1544 and hydrous alumina powder 912 g were added, and ammonium metatungstate 808 g was further added.
- the mixture was kneaded for 45 minutes while adding water using a kneader equipped with stirring blades.
- the obtained kneaded material was extruded from an extruder having a circular opening having a diameter of 1.6 mm to form a cylindrical pellet, and dried at 110 ° C to obtain a dried pellet. Subsequently, a part of the dried pellets was calcined at 800 ° C. for 1.5 hours to obtain a carrier A.
- the formed carrier A was cylindrical with an average diameter of 1.4 mm and an average length of 4 mm, and the average crush strength was 1.9k.
- the specific surface area of the carrier A was 101 m 2 / g, and the pore volume with a pore diameter of 0.002 to 10 ⁇ m was 0.32 m 1 / g.
- the median pore diameter of support A in the pore diameter range of 0.002 to 0.05 ⁇ m was 105 A.
- An aqueous solution of chloroplatinic acid (H 2 Pt Cl 6 ) was spray-coated on 125 g of the carrier A so that the amount of platinum in the catalyst was 0.5% by weight. After drying, the mixture was calcined at 680 ° C. for 0.5 hour to obtain about 125 g of Catalyst A.
- the average crushing strength was 2.1 k
- the proportion of zirconium in catalyst A was 38.0% by weight as elemental zirconium
- the proportion of alumina was 13.0% by weight as elemental aluminum
- tungstic acid content was 12.5% by weight as a tungsten element weight
- the nitrogen content was 0.01% by weight or less.
- the specific surface area of catalyst A is 100 m 2 / g
- the pore volume is 0.002 to 10 / m
- the pore volume is 0.31 ml / g
- the pore diameter is 0.002 to 0.05 m.
- the diameter was 104 A.
- Catalyst A sized to granules passing through a sieve of 16 to 24 mesh is charged into a fixed-bed flow reactor having a length of 50 cm and an inner diameter of 1 cm.
- the reaction was carried out.
- the pretreatment was performed at a temperature of 400 ° C, a pressure of normal pressure, and an atmosphere of air for one hour. Then, without introducing air, the reactor was set to a nitrogen atmosphere and then to a hydrogen atmosphere to start the isomerization reaction.
- Normal heptane (n-C7) was used as a hydrocarbon as a reaction raw material.
- concentration of sulfur compounds in the raw materials used is 1 wt ppm or less in terms of sulfur
- concentration of nitrogen compounds is 0.1 wt ppm or less in terms of nitrogen
- concentration of oxygen compounds other than water is 0.1 wt ppm in terms of oxygen.
- concentration of the chlorine compound was 0.1 ppm by weight or less in terms of chlorine.
- the hydrogen gas used for the reaction had a purity of 99.99% by volume and a water content of 0.5 ppm by weight or less.
- the concentration of sulfur compounds was 1 ppm by weight or less in terms of sulfur.
- the concentration of oxygen compounds other than water was less than 0.1 wt ppm in terms of oxygen
- the concentration of chlorine compounds was less than 0.1 wt ppm in terms of chlorine.
- the composition of the outlet of the reaction tube 200 hours after the start of oil passage was analyzed by gas chromatography.
- the conversion ratio is defined as the weight% of the reaction product other than the reaction raw material, and the weight percentage of the component having 5 or more carbon atoms contained in the reaction product is defined as the liquid yield.
- the weight% of the component was evaluated as the yield of the decomposition product, and the weight% of the branched aliphatic hydrocarbon having 5 or more carbon atoms contained in the reaction product was evaluated as is 0—C 5 + yield. Also, the weight% of the branched aliphatic hydrocarbon having 7 carbon atoms contained in the reaction product was evaluated as iso-C 7 yield.
- Table 1 shows the evaluation results when the reaction temperature was 220 ° C and the reaction pressure was changed. Table 1 shows that above 1. OMPa, decomposition is small and the liquid yield is high. 3. The conversion rate is the highest at about 6MPa, and 5. At OMPa, both the conversion rate and the yield slightly decrease.
- Tables 2 and 3 show the evaluation results when the reaction pressure was changed to 3.6 MPa or OMPa and the reaction temperature was changed. At reaction temperatures of 160 and 180 ° C, isomerization hardly progresses. The reaction proceeds at 200 ° C or higher, but at 230 ° C it is easily decomposed and the liquid yield decreases. Table 2
- iso-C5 + is substantially a branched saturated hydrocarbon having 7 carbon atoms (iso-C5 +).
- -Normal heptane (n-C7) consisting of C7) was selectively and efficiently isomerized into branched saturated hydrocarbons having the same carbon number by the above-mentioned isomerization reaction.
- Hydrocarbons when a raw material hydrocarbon containing 50% by weight or more of a saturated hydrocarbon having 7 and 8 carbon atoms is subjected to an isomerization reaction using a specific catalyst, Hydrocarbons can be efficiently isomerized into branched saturated hydrocarbons having the same carbon number and high octane number, and can be used as gasoline base materials with high octane number in high yield. This makes it possible to reduce the aromatic content of gasoline without deteriorating the operating performance of the gasoline engine.
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Description
Claims
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KR1020047015461A KR100939608B1 (ko) | 2002-03-27 | 2003-03-17 | 탄화수소의 이성화방법 |
EP03708648A EP1491613B1 (en) | 2002-03-27 | 2003-03-17 | Method of isomerizing hydrocarbon |
US10/508,649 US7368626B2 (en) | 2002-03-27 | 2003-03-17 | Method of isomerizing hydrocarbon |
JP2003578499A JP4347063B2 (ja) | 2002-03-27 | 2003-03-17 | 炭化水素の異性化方法 |
AU2003213408A AU2003213408A1 (en) | 2002-03-27 | 2003-03-17 | Method of isomerizing hydrocarbon |
DE60326551T DE60326551D1 (de) | 2002-03-27 | 2003-03-17 | Verfahren zur isomerisierung von kohlenwasserstoffen |
CA2477617A CA2477617C (en) | 2002-03-27 | 2003-03-17 | Hydrocarbon isomerization method |
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Cited By (3)
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---|---|---|---|---|
JP2004269847A (ja) * | 2002-09-25 | 2004-09-30 | Haldor Topsoe As | C7+パラフィンの異性化方法及びそれのための触媒 |
JP2008528731A (ja) * | 2005-01-21 | 2008-07-31 | 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 | 水素処理装置のための改良水素管理 |
JP2013521104A (ja) * | 2009-03-02 | 2013-06-10 | ズードケミー インコーポレイテッド | 活性化された酸化ジルコニウム触媒支持体 |
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DE102004040522A1 (de) * | 2004-08-20 | 2006-02-23 | Süd-Chemie AG | Saurer wolframhaltiger Katalysator |
US7833933B2 (en) * | 2005-11-28 | 2010-11-16 | Haldor Topsøe A/S | Process for the preparation of a paraffin isomerization catalyst |
WO2012135728A1 (en) * | 2011-03-30 | 2012-10-04 | University Of Louisville Research Foundation, Inc. | Catalytic isomerisation of linear olefinic hydrocarbons |
RU2486005C1 (ru) * | 2012-02-03 | 2013-06-27 | Федеральное Государственное Автономное Образовательное Учреждение Высшего Профессионального Образования "Сибирский Федеральный Университет" | Оксидный катализатор для изомеризации легких бензиновых фракций |
RU2524213C1 (ru) * | 2013-06-13 | 2014-07-27 | Открытое акционерное общество "Научно-производственное предприятие Нефтехим" (ОАО "НПП Нефтехим") | Способ получения высокооктанового автомобильного бензина |
US10384196B2 (en) | 2014-12-26 | 2019-08-20 | Kellogg Brown & Root Llc | Highly selective catalyst and method of isomerization of C4—C7 paraffin hydrocarbons |
WO2021211466A1 (en) * | 2020-04-14 | 2021-10-21 | Kellogg Brown & Root Llc | Method for catalyst production for c5-c12 paraffin's isomerization |
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JPH0938494A (ja) * | 1995-07-28 | 1997-02-10 | Sekiyu Sangyo Kasseika Center | アルミナを結合材とする触媒成型方法 |
JPH09308827A (ja) * | 1996-03-19 | 1997-12-02 | Japan Energy Corp | 炭化水素転化用固体酸触媒の製造方法 |
US5719097A (en) | 1993-07-22 | 1998-02-17 | Chang; Clarence D. | Catalyst comprising a modified solid oxide |
JPH11244701A (ja) | 1998-03-04 | 1999-09-14 | Japan Energy Corp | 固体酸触媒の製造方法 |
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2003
- 2003-03-17 KR KR1020047015461A patent/KR100939608B1/ko not_active IP Right Cessation
- 2003-03-17 US US10/508,649 patent/US7368626B2/en not_active Expired - Fee Related
- 2003-03-17 WO PCT/JP2003/003182 patent/WO2003080768A1/ja active Application Filing
- 2003-03-17 AU AU2003213408A patent/AU2003213408A1/en not_active Abandoned
- 2003-03-17 CA CA2477617A patent/CA2477617C/en not_active Expired - Fee Related
- 2003-03-17 EP EP03708648A patent/EP1491613B1/en not_active Expired - Lifetime
- 2003-03-17 JP JP2003578499A patent/JP4347063B2/ja not_active Expired - Fee Related
- 2003-03-17 DE DE60326551T patent/DE60326551D1/de not_active Expired - Lifetime
- 2003-03-24 MY MYPI20031017A patent/MY138159A/en unknown
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US5719097A (en) | 1993-07-22 | 1998-02-17 | Chang; Clarence D. | Catalyst comprising a modified solid oxide |
JPH0938494A (ja) * | 1995-07-28 | 1997-02-10 | Sekiyu Sangyo Kasseika Center | アルミナを結合材とする触媒成型方法 |
JPH09308827A (ja) * | 1996-03-19 | 1997-12-02 | Japan Energy Corp | 炭化水素転化用固体酸触媒の製造方法 |
JPH11244701A (ja) | 1998-03-04 | 1999-09-14 | Japan Energy Corp | 固体酸触媒の製造方法 |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004269847A (ja) * | 2002-09-25 | 2004-09-30 | Haldor Topsoe As | C7+パラフィンの異性化方法及びそれのための触媒 |
JP2008528731A (ja) * | 2005-01-21 | 2008-07-31 | 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 | 水素処理装置のための改良水素管理 |
JP2013521104A (ja) * | 2009-03-02 | 2013-06-10 | ズードケミー インコーポレイテッド | 活性化された酸化ジルコニウム触媒支持体 |
Also Published As
Publication number | Publication date |
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KR100939608B1 (ko) | 2010-02-01 |
JP4347063B2 (ja) | 2009-10-21 |
US7368626B2 (en) | 2008-05-06 |
DE60326551D1 (de) | 2009-04-23 |
EP1491613A1 (en) | 2004-12-29 |
EP1491613A4 (en) | 2005-12-21 |
CA2477617A1 (en) | 2003-10-02 |
AU2003213408A1 (en) | 2003-10-08 |
KR20040111450A (ko) | 2004-12-31 |
EP1491613B1 (en) | 2009-03-11 |
MY138159A (en) | 2009-04-30 |
CA2477617C (en) | 2010-08-10 |
US20050222480A1 (en) | 2005-10-06 |
JPWO2003080768A1 (ja) | 2005-07-28 |
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