PL122594B3 - Method of isomerization of aromatic hydrocarbons of 8 carbon atoms - Google Patents
Method of isomerization of aromatic hydrocarbons of 8 carbon atoms Download PDFInfo
- Publication number
- PL122594B3 PL122594B3 PL1978203904A PL20390478A PL122594B3 PL 122594 B3 PL122594 B3 PL 122594B3 PL 1978203904 A PL1978203904 A PL 1978203904A PL 20390478 A PL20390478 A PL 20390478A PL 122594 B3 PL122594 B3 PL 122594B3
- Authority
- PL
- Poland
- Prior art keywords
- catalyst
- zeolite
- ethylbenzene
- isomerization
- xylene
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 72
- 238000006317 isomerization reaction Methods 0.000 title claims description 30
- 125000004432 carbon atom Chemical group C* 0.000 title claims description 22
- 150000004945 aromatic hydrocarbons Chemical class 0.000 title claims description 7
- 239000010457 zeolite Substances 0.000 claims description 71
- 239000003054 catalyst Substances 0.000 claims description 70
- 230000008569 process Effects 0.000 claims description 55
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 claims description 50
- 229910021536 Zeolite Inorganic materials 0.000 claims description 44
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 39
- 239000008096 xylene Substances 0.000 claims description 33
- 229930195733 hydrocarbon Natural products 0.000 claims description 26
- 150000002430 hydrocarbons Chemical class 0.000 claims description 25
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 24
- 239000000203 mixture Substances 0.000 claims description 22
- 239000000377 silicon dioxide Substances 0.000 claims description 19
- 150000003738 xylenes Chemical class 0.000 claims description 12
- 239000011159 matrix material Substances 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 9
- 229910052799 carbon Inorganic materials 0.000 claims description 8
- 150000002978 peroxides Chemical class 0.000 claims description 7
- 229910000323 aluminium silicate Inorganic materials 0.000 claims description 5
- 230000001965 increasing effect Effects 0.000 claims description 5
- 230000009471 action Effects 0.000 claims description 4
- YNQLUTRBYVCPMQ-UHFFFAOYSA-N Ethylbenzene Chemical compound CCC1=CC=CC=C1 YNQLUTRBYVCPMQ-UHFFFAOYSA-N 0.000 description 88
- 238000006243 chemical reaction Methods 0.000 description 30
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 25
- 239000002994 raw material Substances 0.000 description 20
- 230000000694 effects Effects 0.000 description 17
- 239000013078 crystal Substances 0.000 description 16
- URLKBWYHVLBVBO-UHFFFAOYSA-N Para-Xylene Chemical group CC1=CC=C(C)C=C1 URLKBWYHVLBVBO-UHFFFAOYSA-N 0.000 description 14
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 12
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 12
- 150000001875 compounds Chemical class 0.000 description 10
- 239000000047 product Substances 0.000 description 9
- 238000012360 testing method Methods 0.000 description 9
- 238000004821 distillation Methods 0.000 description 8
- 150000001491 aromatic compounds Chemical class 0.000 description 7
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 7
- -1 alkali metal cations Chemical class 0.000 description 6
- 239000007789 gas Substances 0.000 description 6
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 6
- 229910052757 nitrogen Inorganic materials 0.000 description 6
- 230000015572 biosynthetic process Effects 0.000 description 5
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 5
- 229940078552 o-xylene Drugs 0.000 description 5
- 239000011148 porous material Substances 0.000 description 5
- PFEOZHBOMNWTJB-UHFFFAOYSA-N 3-methylpentane Chemical compound CCC(C)CC PFEOZHBOMNWTJB-UHFFFAOYSA-N 0.000 description 4
- 239000004215 Carbon black (E152) Substances 0.000 description 4
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical group [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 4
- 230000007423 decrease Effects 0.000 description 4
- 238000010304 firing Methods 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- IVSZLXZYQVIEFR-UHFFFAOYSA-N m-xylene Chemical group CC1=CC=CC(C)=C1 IVSZLXZYQVIEFR-UHFFFAOYSA-N 0.000 description 4
- 230000008929 regeneration Effects 0.000 description 4
- 238000011069 regeneration method Methods 0.000 description 4
- 239000000523 sample Substances 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 125000000129 anionic group Chemical group 0.000 description 3
- 238000013459 approach Methods 0.000 description 3
- 125000003118 aryl group Chemical group 0.000 description 3
- 239000002585 base Substances 0.000 description 3
- 239000011230 binding agent Substances 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 239000012084 conversion product Substances 0.000 description 3
- 239000000499 gel Substances 0.000 description 3
- 239000001307 helium Substances 0.000 description 3
- 229910052734 helium Inorganic materials 0.000 description 3
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 3
- 239000001257 hydrogen Substances 0.000 description 3
- 229910052739 hydrogen Inorganic materials 0.000 description 3
- 125000004430 oxygen atom Chemical group O* 0.000 description 3
- 239000012071 phase Substances 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- 229910052710 silicon Inorganic materials 0.000 description 3
- 239000010703 silicon Substances 0.000 description 3
- 239000012808 vapor phase Substances 0.000 description 3
- 229910001928 zirconium oxide Inorganic materials 0.000 description 3
- KVNYFPKFSJIPBJ-UHFFFAOYSA-N 1,2-diethylbenzene Chemical compound CCC1=CC=CC=C1CC KVNYFPKFSJIPBJ-UHFFFAOYSA-N 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical class N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 2
- 230000004913 activation Effects 0.000 description 2
- 230000032683 aging Effects 0.000 description 2
- LBPGAOJVQOCVLO-UHFFFAOYSA-N benzene ethylbenzene toluene Chemical compound C1=CC=CC=C1.CC1=CC=CC=C1.CCC1=CC=CC=C1 LBPGAOJVQOCVLO-UHFFFAOYSA-N 0.000 description 2
- 230000003197 catalytic effect Effects 0.000 description 2
- 150000001768 cations Chemical class 0.000 description 2
- 238000007323 disproportionation reaction Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 229910052675 erionite Inorganic materials 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 229910052677 heulandite Inorganic materials 0.000 description 2
- 230000002209 hydrophobic effect Effects 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical group O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 2
- 239000000395 magnesium oxide Substances 0.000 description 2
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910044991 metal oxide Inorganic materials 0.000 description 2
- 150000004706 metal oxides Chemical class 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229910003452 thorium oxide Inorganic materials 0.000 description 2
- 238000010555 transalkylation reaction Methods 0.000 description 2
- 238000011282 treatment Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- HYFLWBNQFMXCPA-UHFFFAOYSA-N 1-ethyl-2-methylbenzene Chemical compound CCC1=CC=CC=C1C HYFLWBNQFMXCPA-UHFFFAOYSA-N 0.000 description 1
- XJNVSDOAPALQRS-UHFFFAOYSA-N C1=CC=CC=C1.CC1=CC=CC=C1.CCC1=CC=CC=C1.CC1=CC=C(C)C=C1 Chemical group C1=CC=CC=C1.CC1=CC=CC=C1.CCC1=CC=CC=C1.CC1=CC=C(C)C=C1 XJNVSDOAPALQRS-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- PFUQSACCWFVIBW-UHFFFAOYSA-N [C].C1=CC=CC=C1 Chemical compound [C].C1=CC=CC=C1 PFUQSACCWFVIBW-UHFFFAOYSA-N 0.000 description 1
- 238000010306 acid treatment Methods 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 150000001335 aliphatic alkanes Chemical class 0.000 description 1
- 150000001338 aliphatic hydrocarbons Chemical class 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 150000001340 alkali metals Chemical group 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 125000000217 alkyl group Chemical group 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 235000012211 aluminium silicate Nutrition 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 125000004429 atom Chemical group 0.000 description 1
- LTPBRCUWZOMYOC-UHFFFAOYSA-N beryllium oxide Inorganic materials O=[Be] LTPBRCUWZOMYOC-UHFFFAOYSA-N 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 150000001720 carbohydrates Chemical class 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 125000002091 cationic group Chemical group 0.000 description 1
- 238000007385 chemical modification Methods 0.000 description 1
- 238000004587 chromatography analysis Methods 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 239000000571 coke Substances 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000006356 dehydrogenation reaction Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- GUJOJGAPFQRJSV-UHFFFAOYSA-N dialuminum;dioxosilane;oxygen(2-);hydrate Chemical compound O.[O-2].[O-2].[O-2].[Al+3].[Al+3].O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O GUJOJGAPFQRJSV-UHFFFAOYSA-N 0.000 description 1
- 150000005195 diethylbenzenes Chemical class 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- MPTVOJQMOKMTNP-UHFFFAOYSA-N ethylbenzene;toluene Chemical compound CC1=CC=CC=C1.CCC1=CC=CC=C1 MPTVOJQMOKMTNP-UHFFFAOYSA-N 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000002431 foraging effect Effects 0.000 description 1
- 238000001640 fractional crystallisation Methods 0.000 description 1
- 238000005194 fractionation Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 229910001683 gmelinite Inorganic materials 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000005984 hydrogenation reaction Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 239000003701 inert diluent Substances 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 229910052622 kaolinite Inorganic materials 0.000 description 1
- 239000006101 laboratory sample Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000003607 modifier Substances 0.000 description 1
- 229910052901 montmorillonite Inorganic materials 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 150000002892 organic cations Chemical class 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 229910052678 stilbite Inorganic materials 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 230000037303 wrinkles Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C5/00—Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms
- C07C5/22—Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms by isomerisation
- C07C5/27—Rearrangement of carbon atoms in the hydrocarbon skeleton
- C07C5/2729—Changing the branching point of an open chain or the point of substitution on a ring
- C07C5/2732—Catalytic processes
- C07C5/2737—Catalytic processes with crystalline alumino-silicates, e.g. molecular sieves
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/52—Improvements relating to the production of bulk chemicals using catalysts, e.g. selective catalysts
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S208/00—Mineral oils: processes and products
- Y10S208/02—Molecular sieve
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S585/00—Chemistry of hydrocarbon compounds
- Y10S585/949—Miscellaneous considerations
- Y10S585/954—Exploiting mass-action phenomenon
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Catalysts (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/758,214 US4101596A (en) | 1977-01-10 | 1977-01-10 | Low pressure xylene isomerization |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| PL203904A1 PL203904A1 (pl) | 1978-12-04 |
| PL122594B3 true PL122594B3 (en) | 1982-08-31 |
Family
ID=25050950
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PL1978203904A PL122594B3 (en) | 1977-01-10 | 1978-01-09 | Method of isomerization of aromatic hydrocarbons of 8 carbon atoms |
Country Status (26)
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4152363A (en) * | 1977-05-09 | 1979-05-01 | Mobil Oil Corporation | Vapor phase isomerization of methyl-substituted aromatic hydrocarbons improved by using highly diluted zeolite catalyst |
| USRE31782E (en) * | 1978-06-09 | 1984-12-25 | Mobil Oil Corporation | Xylene isomerization |
| US4181811A (en) * | 1978-12-14 | 1980-01-01 | Mobil Oil Corporation | Selective reaction of 1,4-disubstituted aromatic compounds |
| US4783568A (en) * | 1985-09-13 | 1988-11-08 | Uop Inc. | Xylene producing process having staged catalytic conversion of ethylbenzene |
| US4642406A (en) * | 1985-09-13 | 1987-02-10 | Uop Inc. | High severity process for xylene production employing a transalkylation zone for xylene isomerization |
| US4697039A (en) * | 1985-09-13 | 1987-09-29 | Uop Inc. | Xylene producing process having staged catalytic conversion of ethylbenzene |
| US5043512A (en) * | 1988-10-06 | 1991-08-27 | Mobil Oil Corp. | Alkylaromatic isomerization process |
| US6180726B1 (en) | 1998-03-10 | 2001-01-30 | H. B. Fuller Licensing & Financing Inc. | High temperature resistant coating composition and method of using thereof |
| WO2005122242A1 (ja) * | 2004-06-07 | 2005-12-22 | Nikon Corporation | ステージ装置、露光装置及び露光方法 |
| CN102006933A (zh) * | 2008-04-04 | 2011-04-06 | 彼得·瓦西列夫 | 沸石催化剂沸石二级结构 |
| US8865958B2 (en) * | 2008-09-30 | 2014-10-21 | Fina Technology, Inc. | Process for ethylbenzene production |
| US8455383B2 (en) * | 2009-09-28 | 2013-06-04 | Fina Technology, Inc. | Process for catalyst regeneration and extended use |
| EP3233770B1 (en) * | 2014-12-17 | 2020-07-15 | King Abdullah University Of Science And Technology | Xylene isomerization |
| CN112771013B (zh) | 2018-07-20 | 2024-05-28 | Scg化学有限公司 | 对二甲苯生产的集成方法 |
| WO2020018871A1 (en) | 2018-07-20 | 2020-01-23 | Scg Chemicals Co., Ltd. | Process for the separation of ethylbenzene from other c8 aromatic compounds |
| US20220289645A1 (en) * | 2019-08-23 | 2022-09-15 | Exxonmobil Chemical Patents Inc. | Processes for Isomerizing C8 Aromatic Hydrocarbons Using Serial Reactors |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3377400A (en) * | 1967-03-27 | 1968-04-09 | Mobil Oil Corp | Isomerization and disproportionation of alkyl aromatics |
| FR1554087A (US06566495-20030520-M00011.png) * | 1968-01-19 | 1969-01-17 | ||
| US3923639A (en) * | 1968-04-18 | 1975-12-02 | Mobil Oil Corp | Converting hydrocarbons with zeolite ZSM-4 |
| US3578723A (en) * | 1968-04-18 | 1971-05-11 | Mobil Oil Corp | Isomerization and disproportionation of aromatic hydrocarbons |
| US3790471A (en) * | 1969-10-10 | 1974-02-05 | Mobil Oil Corp | Conversion with zsm-5 family of crystalline aluminosilicate zeolites |
| US3832449A (en) * | 1971-03-18 | 1974-08-27 | Mobil Oil Corp | Crystalline zeolite zsm{14 12 |
| US3856871A (en) * | 1973-09-13 | 1974-12-24 | Mobil Oil Corp | Xylene isomerization |
| US3856874A (en) * | 1973-09-13 | 1974-12-24 | Mobil Oil Corp | Xylene isomerization |
| US3856873A (en) * | 1973-09-13 | 1974-12-24 | Mobil Oil Corp | Xylene isomerization |
| US3856872A (en) * | 1973-09-13 | 1974-12-24 | Mobil Oil Corp | Xylene isomerization |
| JPS5341658B2 (US06566495-20030520-M00011.png) * | 1973-09-13 | 1978-11-06 | ||
| US3948758A (en) * | 1974-06-17 | 1976-04-06 | Mobil Oil Corporation | Production of alkyl aromatic hydrocarbons |
| US4007231A (en) * | 1975-11-24 | 1977-02-08 | Mobil Oil Corporation | Selective production of para-xylene |
| US4100214A (en) * | 1976-05-07 | 1978-07-11 | Mobil Oil Corporation | Isomerization of monocyclic alkyl aromatic hydrocarbons |
-
1977
- 1977-01-10 US US05/758,214 patent/US4101596A/en not_active Expired - Lifetime
- 1977-11-24 CA CA291,636A patent/CA1105493A/en not_active Expired
- 1977-12-02 DE DE19772753867 patent/DE2753867A1/de active Granted
- 1977-12-05 GB GB50502/77A patent/GB1554691A/en not_active Expired
- 1977-12-06 AT AT874277A patent/AT357513B/de not_active IP Right Cessation
- 1977-12-13 AU AU31511/77A patent/AU517626B2/en not_active Expired
- 1977-12-15 FR FR7737820A patent/FR2376835A1/fr active Granted
- 1977-12-16 BE BE183548A patent/BE861959A/xx not_active IP Right Cessation
- 1977-12-22 NZ NZ186074A patent/NZ186074A/xx unknown
- 1977-12-28 RO RO7792700A patent/RO75520A/ro unknown
- 1977-12-28 IN IN1778/CAL/77A patent/IN146400B/en unknown
- 1977-12-29 NO NO774509A patent/NO146056C/no unknown
- 1977-12-30 ES ES465603A patent/ES465603A1/es not_active Expired
-
1978
- 1978-01-04 BR BR7800035A patent/BR7800035A/pt unknown
- 1978-01-04 AR AR270635A patent/AR219095A1/es active
- 1978-01-06 IT IT19086/78A patent/IT1092961B/it active
- 1978-01-09 SU SU782562007A patent/SU893125A3/ru active
- 1978-01-09 MX MX786762U patent/MX5202E/es unknown
- 1978-01-09 PL PL1978203904A patent/PL122594B3/pl unknown
- 1978-01-09 DD DD7800203147A patent/DD133789A5/xx unknown
- 1978-01-09 HU HU78MO1003A patent/HU184656B/hu unknown
- 1978-01-09 CS CS17378A patent/CS207496B1/cs unknown
- 1978-01-09 JP JP53000601A patent/JPS6024769B2/ja not_active Expired
- 1978-01-09 CH CH19078A patent/CH633504A5/de not_active IP Right Cessation
- 1978-01-09 PT PT67507A patent/PT67507B/pt unknown
- 1978-01-10 NL NL7800289A patent/NL7800289A/xx not_active Application Discontinuation
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