JP5443167B2 - 白金・ゲルマニウム・ゼオライト触媒の再生 - Google Patents
白金・ゲルマニウム・ゼオライト触媒の再生 Download PDFInfo
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- JP5443167B2 JP5443167B2 JP2009542883A JP2009542883A JP5443167B2 JP 5443167 B2 JP5443167 B2 JP 5443167B2 JP 2009542883 A JP2009542883 A JP 2009542883A JP 2009542883 A JP2009542883 A JP 2009542883A JP 5443167 B2 JP5443167 B2 JP 5443167B2
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- 239000003054 catalyst Substances 0.000 title claims description 108
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 title claims description 71
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 title claims description 56
- 239000010457 zeolite Substances 0.000 title claims description 54
- 229910021536 Zeolite Inorganic materials 0.000 title claims description 50
- 229910052697 platinum Inorganic materials 0.000 title claims description 31
- 230000008929 regeneration Effects 0.000 title claims description 21
- 238000011069 regeneration method Methods 0.000 title claims description 21
- 229910052732 germanium Inorganic materials 0.000 title claims description 15
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 title claims description 15
- 238000000034 method Methods 0.000 claims description 72
- 230000008569 process Effects 0.000 claims description 36
- 239000000460 chlorine Substances 0.000 claims description 35
- 229910052801 chlorine Inorganic materials 0.000 claims description 35
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 31
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 31
- 239000001301 oxygen Substances 0.000 claims description 31
- 229910052760 oxygen Inorganic materials 0.000 claims description 31
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 30
- 229910001868 water Inorganic materials 0.000 claims description 30
- 239000000571 coke Substances 0.000 claims description 26
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 24
- 150000001335 aliphatic alkanes Chemical class 0.000 claims description 24
- 238000005899 aromatization reaction Methods 0.000 claims description 21
- 239000007789 gas Substances 0.000 claims description 20
- 229910052782 aluminium Inorganic materials 0.000 claims description 16
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 16
- 229910052710 silicon Inorganic materials 0.000 claims description 16
- 239000010703 silicon Substances 0.000 claims description 16
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 15
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 13
- 239000000463 material Substances 0.000 claims description 13
- 239000000377 silicon dioxide Substances 0.000 claims description 11
- -1 sulfide compound Chemical class 0.000 claims description 10
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 9
- 229930195733 hydrocarbon Natural products 0.000 claims description 9
- 150000002430 hydrocarbons Chemical class 0.000 claims description 9
- 239000001257 hydrogen Substances 0.000 claims description 9
- 229910052739 hydrogen Inorganic materials 0.000 claims description 9
- 239000004215 Carbon black (E152) Substances 0.000 claims description 8
- 150000001875 compounds Chemical class 0.000 claims description 7
- 239000000203 mixture Substances 0.000 claims description 7
- 125000004432 carbon atom Chemical group C* 0.000 claims description 6
- 230000001172 regenerating effect Effects 0.000 claims description 6
- 150000003464 sulfur compounds Chemical class 0.000 claims description 5
- 125000001309 chloro group Chemical group Cl* 0.000 claims description 4
- 239000011261 inert gas Substances 0.000 claims description 4
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 claims description 3
- 125000003118 aryl group Chemical group 0.000 claims description 3
- 229910000037 hydrogen sulfide Inorganic materials 0.000 claims description 3
- 229910008310 Si—Ge Inorganic materials 0.000 claims description 2
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 claims description 2
- 239000004927 clay Substances 0.000 claims description 2
- 238000006243 chemical reaction Methods 0.000 description 34
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 15
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 14
- 239000003915 liquefied petroleum gas Substances 0.000 description 7
- 239000001294 propane Substances 0.000 description 7
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 6
- 229910000323 aluminium silicate Inorganic materials 0.000 description 6
- 150000001491 aromatic compounds Chemical class 0.000 description 6
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 5
- 239000011230 binding agent Substances 0.000 description 5
- 239000003575 carbonaceous material Substances 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 229910052717 sulfur Inorganic materials 0.000 description 5
- 239000011593 sulfur Substances 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 230000009849 deactivation Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000000724 energy-dispersive X-ray spectrum Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000006384 oligomerization reaction Methods 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 150000001336 alkenes Chemical class 0.000 description 3
- 238000013459 approach Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 238000001354 calcination Methods 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 239000007795 chemical reaction product Substances 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 238000006356 dehydrogenation reaction Methods 0.000 description 3
- 238000007323 disproportionation reaction Methods 0.000 description 3
- 239000002737 fuel gas Substances 0.000 description 3
- 238000005984 hydrogenation reaction Methods 0.000 description 3
- 238000006317 isomerization reaction Methods 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 3
- 239000003921 oil Substances 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- 238000010555 transalkylation reaction Methods 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- OTMSDBZUPAUEDD-UHFFFAOYSA-N Ethane Chemical compound CC OTMSDBZUPAUEDD-UHFFFAOYSA-N 0.000 description 2
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 2
- 239000001273 butane Substances 0.000 description 2
- 230000000536 complexating effect Effects 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 238000000151 deposition Methods 0.000 description 2
- WQOXQRCZOLPYPM-UHFFFAOYSA-N dimethyl disulfide Chemical compound CSSC WQOXQRCZOLPYPM-UHFFFAOYSA-N 0.000 description 2
- 239000010439 graphite Substances 0.000 description 2
- 229910002804 graphite Inorganic materials 0.000 description 2
- 239000003446 ligand Substances 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- IJDNQMDRQITEOD-UHFFFAOYSA-N n-butane Chemical compound CCCC IJDNQMDRQITEOD-UHFFFAOYSA-N 0.000 description 2
- OFBQJSOFQDEBGM-UHFFFAOYSA-N n-pentane Natural products CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 239000010453 quartz Substances 0.000 description 2
- 239000000376 reactant Substances 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 239000008096 xylene Substances 0.000 description 2
- ZSLUVFAKFWKJRC-IGMARMGPSA-N 232Th Chemical compound [232Th] ZSLUVFAKFWKJRC-IGMARMGPSA-N 0.000 description 1
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- IHICGCFKGWYHSF-UHFFFAOYSA-N C1=CC=CC=C1.CC1=CC=CC=C1.CC1=CC=CC=C1C Chemical group C1=CC=CC=C1.CC1=CC=CC=C1.CC1=CC=CC=C1C IHICGCFKGWYHSF-UHFFFAOYSA-N 0.000 description 1
- KCXVZYZYPLLWCC-UHFFFAOYSA-N EDTA Chemical compound OC(=O)CN(CC(O)=O)CCN(CC(O)=O)CC(O)=O KCXVZYZYPLLWCC-UHFFFAOYSA-N 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- 229910052776 Thorium Inorganic materials 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 150000001721 carbon Chemical class 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000004517 catalytic hydrocracking Methods 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 238000001027 hydrothermal synthesis Methods 0.000 description 1
- 238000010335 hydrothermal treatment Methods 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000005342 ion exchange Methods 0.000 description 1
- 229940046892 lead acetate Drugs 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 1
- 238000013386 optimize process Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 125000004430 oxygen atom Chemical group O* 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000012429 reaction media Substances 0.000 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 238000002407 reforming Methods 0.000 description 1
- 238000007363 ring formation reaction Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000007086 side reaction Methods 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
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- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J29/00—Catalysts comprising molecular sieves
- B01J29/90—Regeneration or reactivation
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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
- 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
- B01J29/064—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof containing iron group metals, noble metals or copper
- B01J29/068—Noble metals
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- 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
- B01J29/40—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the pentasil type, e.g. types ZSM-5, ZSM-8 or ZSM-11, as exemplified by patent documents US3702886, GB1334243 and US3709979, respectively
- B01J29/42—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the pentasil type, e.g. types ZSM-5, ZSM-8 or ZSM-11, as exemplified by patent documents US3702886, GB1334243 and US3709979, respectively containing iron group metals, noble metals or copper
- B01J29/44—Noble metals
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- B01J38/00—Regeneration or reactivation of catalysts, in general
- B01J38/04—Gas or vapour treating; Treating by using liquids vaporisable upon contacting spent catalyst
- B01J38/06—Gas or vapour treating; Treating by using liquids vaporisable upon contacting spent catalyst using steam
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- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J38/00—Regeneration or reactivation of catalysts, in general
- B01J38/04—Gas or vapour treating; Treating by using liquids vaporisable upon contacting spent catalyst
- B01J38/10—Gas or vapour treating; Treating by using liquids vaporisable upon contacting spent catalyst using elemental hydrogen
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- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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- B01J38/00—Regeneration or reactivation of catalysts, in general
- B01J38/04—Gas or vapour treating; Treating by using liquids vaporisable upon contacting spent catalyst
- B01J38/12—Treating with free oxygen-containing gas
- B01J38/18—Treating with free oxygen-containing gas with subsequent reactive gas treating
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- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J38/00—Regeneration or reactivation of catalysts, in general
- B01J38/04—Gas or vapour treating; Treating by using liquids vaporisable upon contacting spent catalyst
- B01J38/42—Gas or vapour treating; Treating by using liquids vaporisable upon contacting spent catalyst using halogen-containing material
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2/00—Preparation of hydrocarbons from hydrocarbons containing a smaller number of carbon atoms
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2/00—Preparation of hydrocarbons from hydrocarbons containing a smaller number of carbon atoms
- C07C2/76—Preparation of hydrocarbons from hydrocarbons containing a smaller number of carbon atoms by condensation of hydrocarbons with partial elimination of hydrogen
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- 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
- B01J2229/183—After treatment, characterised by the effect to be obtained to introduce other elements into or onto the molecular sieve itself in framework positions
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- 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
- B01J2229/186—After treatment, characterised by the effect to be obtained to introduce other elements into or onto the molecular sieve itself not in framework positions
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- B01J2229/42—Addition of matrix or binder particles
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- C—CHEMISTRY; METALLURGY
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- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2529/00—Catalysts comprising molecular sieves
- C07C2529/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites, pillared clays
- C07C2529/06—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
- C07C2529/70—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of types characterised by their specific structure not provided for in groups C07C2529/08 - C07C2529/65
- C07C2529/72—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of types characterised by their specific structure not provided for in groups C07C2529/08 - C07C2529/65 containing iron group metals, noble metals or copper
- C07C2529/74—Noble metals
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
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- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
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- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/584—Recycling of catalysts
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S585/00—Chemistry of hydrocarbon compounds
- Y10S585/8995—Catalyst and recycle considerations
- Y10S585/904—Catalyst rehabilitation by reversion from different compound
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- Chemical Kinetics & Catalysis (AREA)
- Crystallography & Structural Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
- Catalysts (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Description
1) 最初に、触媒を、塩素または塩素含有化合物、水および酸素を、それぞれ、絶対圧で、約0.014psiから約0.094psi(約97Paから約650Pa)、約0psiから約0.75psi(約0Paから約5200Pa)、および約0.14psiから約0.94psi(約970Paから約6500Pa)の分圧で含有するガス流と接触させる工程、
2) 二番目に、触媒を、塩素または塩素含有化合物、水および酸素を、それぞれ、絶対圧で、約0.014psiから約0.094psi(約97Paから約650Pa)、約0.015psiから約0.75psi(約100Paから約5200Pa)、および約0.2psiから約2.24psi(約1400Paから約15kPa)の分圧で含有するガス流と接触させる工程であって、工程2)の酸素の分圧が工程1)の酸素の分圧よりも高い工程、
3) 三番目に、触媒を、塩素または塩素含有化合物、水および酸素を、それぞれ、絶対圧で、約0.029psiから約0.37psi(約200Paから約2600Pa)、約0psiから約0.19psi(約0Paから約1300Pa)、および約0.2psiから約2.24psi(約1400Paから約15kPa)の分圧で含有するガス流と接触させる工程であって、工程3)の塩素の分圧が工程2)の塩素の分圧よりも高い工程、
4) 触媒を、酸素および水で、それぞれ、絶対圧で、約0.2psiから約2.24psi(約1400Paから約15kPa)および約0.029psiから約0.75psi(約200Paから約5200Pa)の分圧で蒸気処理する工程、および
5) 触媒を、絶対圧で、約0.7psiから約19.7psi(約4800Paから約140kPa)の分圧で還元する工程、
を有してなる方法にある。本発明は、炭化水素の芳香族化方法であって、
a) 1分子当たり2から8の炭素原子を含有する(C2〜C8)1種類以上のアルカンの供給源を、その上に白金が堆積したアルミニウム・ケイ素・ゲルマニウム・ゼオライトを含有する少なくとも1種類の触媒と接触させる工程、
b) 芳香族生成物を回収する工程、および
c) 触媒を再生する工程、
を有してなる方法に用いられる。この供給源は、1分子当たり2から4の炭素原子を含有する(C2〜C4)1種類以上のアルカンまたは1分子当たり6から8の炭素原子を含有する(C6〜C8)1種類以上のアルカンであってよい。
再生した触媒は、1LHSV、ゲージ圧で22psi(約150kPa)および500℃でプロパン供給物によるプロパンの芳香族化プロセスにおいて評価した。
Claims (16)
- 白金が堆積されたアルミニウム・ケイ素・ゲルマニウム・ゼオライトを含有する触媒を再生する方法であって、
a) 最初に、前記触媒を、塩素または塩素含有化合物、水および酸素を、それぞれ、絶対圧で、0.014psiから0.094psi(97Paから650Pa)、0psiから0.75psi(0Paから5200Pa)、および0.14psiから0.94psi(970Paから6500Pa)の分圧で含有するガス流と接触させる工程、
b) 二番目に、前記触媒を、塩素または塩素含有化合物、水および酸素を、それぞれ、絶対圧で、0.014psiから0.094psi(97Paから650Pa)、0.015psiから0.75psi(100Paから5200Pa)、および0.2psiから2.24psi(1400Paから15kPa)の分圧で含有するガス流と接触させる工程であって、工程b)の酸素の分圧が工程a)の酸素の分圧よりも高い工程、
c) 三番目に、前記触媒を、塩素または塩素含有化合物、水および酸素を、それぞれ、絶対圧で、0.029psiから0.37psi(200Paから2600Pa)、0psiから0.19psi(0Paから1300Pa)、および0.2psiから2.24psi(1400Paから15kPa)の分圧で含有するガス流と接触させる工程であって、工程c)の塩素の分圧が工程b)の塩素の分圧よりも高い工程、
d) 前記触媒を、酸素および水で、それぞれ、絶対圧で、0.2psiから2.24psi(1400Paから15kPa)および0.029psiから0.75psi(200Paから5200Pa)の分圧で蒸気処理する工程、および
e) 前記触媒を、絶対圧で、0.7psiから19.7psi(4800Paから140kPa)の分圧で水素中において還元する工程、
を有してなる方法。 - 工程a)が、50分から24時間に亘り、400℃から550℃の温度であり、工程b)が、60分から24時間に亘り、400℃から550℃の温度であり、工程c)が、60分から48時間に亘り、400℃から550℃の温度であり、工程d)が、15分から12時間に亘り、200℃から550℃の温度であり、工程e)が、30分から24時間に亘り、200℃から550℃の温度であることを特徴とする請求項1記載の方法。
- 不安定コークスの少なくとも50質量%が工程a)において除去され、残りの不安定コークスの実質的に全てが工程b)において除去されることを特徴とする請求項1記載の方法。
- 再生された前記触媒が、
f) 前記再生された触媒を、25℃から550℃の温度範囲で10/時から8000/時のガス空間速度で硫黄化合物と接触させる工程、および
g) 硫化された前記触媒を、25℃から550℃の温度範囲で10/時から8000/時のガス空間速度でストリッピングガスと接触させる工程、
によりさらに硫化されることを特徴とする請求項1記載の方法。 - 前記硫黄化合物が硫化水素または有機硫化物化合物であることを特徴とする請求項4記載の方法。
- 前記ストリッピングガスが、1/99から100/0のモル/モル比のストリッピングガスと不活性ガスとの混合物であることを特徴とする請求項4記載の方法。
- 再生された前記触媒が、該再生された触媒を前記供給原料中の硫黄化合物に接触させることによってさらに硫化されることを特徴とする請求項1記載の方法。
- 前記ゼオライトの構造がMFIであることを特徴とする請求項1記載の方法。
- 前記ゼオライトのSi/Al原子比が35:1を超えていることを特徴とする請求項1記載の方法。
- 前記ゼオライトのSi/Al原子比が35から60までであることを特徴とする請求項9記載の方法。
- 前記ゼオライトのケイ素・ゲルマニウムのアルミニウムに対する原子比(Si−Ge:Al)が25:1より大きいことを特徴とする請求項1記載の方法。
- 白金が、ゼオライトの質量に対して0.05質量%から3質量%の範囲で存在することを特徴とする請求項1記載の方法。
- 前記触媒が、前記再生工程中に白金の結合部位として働かない不活性材料と結合していることを特徴とする請求項12記載の方法。
- 前記不活性材料が、シリカ、硫酸アルミナ、粘土またはゼオライトであることを特徴とする請求項1記載の方法。
- 炭化水素の芳香族化方法において、
a) 1分子当たり2から8の炭素原子を含有する1種類以上のアルカンの供給原料を、白金が堆積したアルミニウム・ケイ素・ゲルマニウム・ゼオライトを含有する触媒1種類以上と接触させる工程、
b) 芳香族生成物を回収する工程、および
c) 前記触媒を請求項1から14いずれか1項記載の方法により再生する工程、
を有してなる方法。 - 前記アルカンが、1分子当たり2から4の炭素原子または1分子当たり6から8の炭素原子を含有することを特徴とする請求項15記載の方法。
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US8993468B2 (en) * | 2007-05-24 | 2015-03-31 | Saudi Basic Industries Corporation | Catalyst for conversion of hydrocarbons, process of making and process of using thereof—Ge zeolites |
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