DE69209934T2 - Verfahren zur Herstellung von 2-Methylnaphthalin - Google Patents
Verfahren zur Herstellung von 2-MethylnaphthalinInfo
- Publication number
- DE69209934T2 DE69209934T2 DE69209934T DE69209934T DE69209934T2 DE 69209934 T2 DE69209934 T2 DE 69209934T2 DE 69209934 T DE69209934 T DE 69209934T DE 69209934 T DE69209934 T DE 69209934T DE 69209934 T2 DE69209934 T2 DE 69209934T2
- Authority
- DE
- Germany
- Prior art keywords
- methylnaphthalene
- fraction
- isomerization
- distillation
- product
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- QIMMUPPBPVKWKM-UHFFFAOYSA-N 2-methylnaphthalene Chemical compound C1=CC=CC2=CC(C)=CC=C21 QIMMUPPBPVKWKM-UHFFFAOYSA-N 0.000 title claims description 220
- 238000000034 method Methods 0.000 title claims description 43
- 238000002360 preparation method Methods 0.000 title claims description 4
- QPUYECUOLPXSFR-UHFFFAOYSA-N 1-methylnaphthalene Chemical compound C1=CC=C2C(C)=CC=CC2=C1 QPUYECUOLPXSFR-UHFFFAOYSA-N 0.000 claims description 110
- 238000006317 isomerization reaction Methods 0.000 claims description 91
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 63
- 238000004821 distillation Methods 0.000 claims description 55
- 239000003054 catalyst Substances 0.000 claims description 45
- CXWXQJXEFPUFDZ-UHFFFAOYSA-N tetralin Chemical class C1=CC=C2CCCCC2=C1 CXWXQJXEFPUFDZ-UHFFFAOYSA-N 0.000 claims description 39
- 238000005984 hydrogenation reaction Methods 0.000 claims description 26
- 239000010457 zeolite Substances 0.000 claims description 23
- 238000010533 azeotropic distillation Methods 0.000 claims description 21
- 229910017464 nitrogen compound Inorganic materials 0.000 claims description 20
- 150000002830 nitrogen compounds Chemical class 0.000 claims description 20
- 229910021536 Zeolite Inorganic materials 0.000 claims description 19
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 claims description 19
- 238000009835 boiling Methods 0.000 claims description 15
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 11
- 239000011280 coal tar Substances 0.000 claims description 6
- 238000006477 desulfuration reaction Methods 0.000 claims description 6
- 230000023556 desulfurization Effects 0.000 claims description 6
- 229910052759 nickel Inorganic materials 0.000 claims description 6
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 5
- 229910017052 cobalt Inorganic materials 0.000 claims description 5
- 239000010941 cobalt Substances 0.000 claims description 5
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 5
- 229910052750 molybdenum Inorganic materials 0.000 claims description 5
- 239000011733 molybdenum Substances 0.000 claims description 5
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- JGDFBJMWFLXCLJ-UHFFFAOYSA-N copper chromite Chemical compound [Cu]=O.[Cu]=O.O=[Cr]O[Cr]=O JGDFBJMWFLXCLJ-UHFFFAOYSA-N 0.000 claims description 2
- 238000000605 extraction Methods 0.000 claims description 2
- 239000003921 oil Substances 0.000 description 94
- 239000000047 product Substances 0.000 description 24
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 22
- 239000000203 mixture Substances 0.000 description 20
- APBBTKKLSNPFDP-UHFFFAOYSA-N 1-methyl-1,2,3,4-tetrahydronaphthalene Chemical compound C1=CC=C2C(C)CCCC2=C1 APBBTKKLSNPFDP-UHFFFAOYSA-N 0.000 description 17
- 239000007858 starting material Substances 0.000 description 17
- 230000003197 catalytic effect Effects 0.000 description 16
- UFWIBTONFRDIAS-UHFFFAOYSA-N Naphthalene Chemical compound C1=CC=CC2=CC=CC=C21 UFWIBTONFRDIAS-UHFFFAOYSA-N 0.000 description 14
- 150000003464 sulfur compounds Chemical class 0.000 description 14
- 239000007789 gas Substances 0.000 description 11
- 229910052757 nitrogen Inorganic materials 0.000 description 11
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 10
- 238000006243 chemical reaction Methods 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
- 239000003085 diluting agent Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 7
- 239000011973 solid acid Substances 0.000 description 6
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 5
- 239000000377 silicon dioxide Substances 0.000 description 5
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 238000000998 batch distillation Methods 0.000 description 4
- 229910052681 coesite Inorganic materials 0.000 description 4
- 229910052593 corundum Inorganic materials 0.000 description 4
- 229910052906 cristobalite Inorganic materials 0.000 description 4
- 229910052739 hydrogen Inorganic materials 0.000 description 4
- 239000001257 hydrogen Substances 0.000 description 4
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 4
- 235000012239 silicon dioxide Nutrition 0.000 description 4
- 229910052682 stishovite Inorganic materials 0.000 description 4
- 229910052905 tridymite Inorganic materials 0.000 description 4
- 229910001845 yogo sapphire Inorganic materials 0.000 description 4
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 3
- 125000003118 aryl group Chemical group 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 238000011835 investigation Methods 0.000 description 3
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 3
- 239000012071 phase Substances 0.000 description 3
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 3
- 229910052717 sulfur Inorganic materials 0.000 description 3
- 239000011593 sulfur Substances 0.000 description 3
- 238000005406 washing Methods 0.000 description 3
- QNLZIZAQLLYXTC-UHFFFAOYSA-N 1,2-dimethylnaphthalene Chemical compound C1=CC=CC2=C(C)C(C)=CC=C21 QNLZIZAQLLYXTC-UHFFFAOYSA-N 0.000 description 2
- YNQLUTRBYVCPMQ-UHFFFAOYSA-N Ethylbenzene Chemical compound CCC1=CC=CC=C1 YNQLUTRBYVCPMQ-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- SIKJAQJRHWYJAI-UHFFFAOYSA-N Indole Chemical compound C1=CC=C2NC=CC2=C1 SIKJAQJRHWYJAI-UHFFFAOYSA-N 0.000 description 2
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 2
- SMWDFEZZVXVKRB-UHFFFAOYSA-N Quinoline Chemical compound N1=CC=CC2=CC=CC=C21 SMWDFEZZVXVKRB-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 239000003377 acid catalyst Substances 0.000 description 2
- 150000004996 alkyl benzenes Chemical class 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 125000002091 cationic group Chemical group 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- NNBZCPXTIHJBJL-UHFFFAOYSA-N decalin Chemical compound C1CCCC2CCCCC21 NNBZCPXTIHJBJL-UHFFFAOYSA-N 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000005342 ion exchange Methods 0.000 description 2
- AWJUIBRHMBBTKR-UHFFFAOYSA-N isoquinoline Chemical compound C1=NC=CC2=CC=CC=C21 AWJUIBRHMBBTKR-UHFFFAOYSA-N 0.000 description 2
- 238000011031 large-scale manufacturing process Methods 0.000 description 2
- 239000007791 liquid phase Substances 0.000 description 2
- 229910052763 palladium Inorganic materials 0.000 description 2
- 229910052697 platinum Inorganic materials 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- 230000008929 regeneration Effects 0.000 description 2
- 238000011069 regeneration method Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000008096 xylene Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 description 1
- -1 Naphthalene 2-methylnaphthalene 1-methylnaphthalene Quinoline Isoquinoline Diphenyl Dimethylnaphthalene Acenaphthene Indole Methylbenzothiophene Chemical compound 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- 229930003448 Vitamin K Natural products 0.000 description 1
- QZYDAIMOJUSSFT-UHFFFAOYSA-N [Co].[Ni].[Mo] Chemical compound [Co].[Ni].[Mo] QZYDAIMOJUSSFT-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 235000010290 biphenyl Nutrition 0.000 description 1
- 239000004305 biphenyl Substances 0.000 description 1
- 125000006267 biphenyl group Chemical group 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- WHDPTDWLEKQKKX-UHFFFAOYSA-N cobalt molybdenum Chemical compound [Co].[Co].[Mo] WHDPTDWLEKQKKX-UHFFFAOYSA-N 0.000 description 1
- 239000000571 coke Substances 0.000 description 1
- 238000001944 continuous distillation Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 125000000753 cycloalkyl group Chemical group 0.000 description 1
- 230000009849 deactivation Effects 0.000 description 1
- 230000006735 deficit Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000006356 dehydrogenation reaction Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- PZOUSPYUWWUPPK-UHFFFAOYSA-N indole Natural products CC1=CC=CC2=C1C=CN2 PZOUSPYUWWUPPK-UHFFFAOYSA-N 0.000 description 1
- RKJUIXBNRJVNHR-UHFFFAOYSA-N indolenine Natural products C1=CC=C2CC=NC2=C1 RKJUIXBNRJVNHR-UHFFFAOYSA-N 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- DDTIGTPWGISMKL-UHFFFAOYSA-N molybdenum nickel Chemical compound [Ni].[Mo] DDTIGTPWGISMKL-UHFFFAOYSA-N 0.000 description 1
- RXOHFPCZGPKIRD-UHFFFAOYSA-N naphthalene-2,6-dicarboxylic acid Chemical compound C1=C(C(O)=O)C=CC2=CC(C(=O)O)=CC=C21 RXOHFPCZGPKIRD-UHFFFAOYSA-N 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- ZUOUZKKEUPVFJK-UHFFFAOYSA-N phenylbenzene Natural products C1=CC=CC=C1C1=CC=CC=C1 ZUOUZKKEUPVFJK-UHFFFAOYSA-N 0.000 description 1
- SHUZOJHMOBOZST-UHFFFAOYSA-N phylloquinone Natural products CC(C)CCCCC(C)CCC(C)CCCC(=CCC1=C(C)C(=O)c2ccccc2C1=O)C SHUZOJHMOBOZST-UHFFFAOYSA-N 0.000 description 1
- 229920001225 polyester resin Polymers 0.000 description 1
- 239000004645 polyester resin Substances 0.000 description 1
- 230000000379 polymerizing effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000000197 pyrolysis Methods 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000011949 solid catalyst Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 239000011269 tar Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- PXXNTAGJWPJAGM-UHFFFAOYSA-N vertaline Natural products C1C2C=3C=C(OC)C(OC)=CC=3OC(C=C3)=CC=C3CCC(=O)OC1CC1N2CCCC1 PXXNTAGJWPJAGM-UHFFFAOYSA-N 0.000 description 1
- 235000019168 vitamin K Nutrition 0.000 description 1
- 239000011712 vitamin K Substances 0.000 description 1
- 150000003721 vitamin K derivatives Chemical class 0.000 description 1
- 229940046010 vitamin k Drugs 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C15/00—Cyclic hydrocarbons containing only six-membered aromatic rings as cyclic parts
- C07C15/20—Polycyclic condensed hydrocarbons
- C07C15/24—Polycyclic condensed hydrocarbons containing two rings
-
- 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
- C10G7/00—Distillation of hydrocarbon oils
- C10G7/08—Azeotropic or extractive distillation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
- B01J23/76—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
- B01J23/84—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36 with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- B01J23/85—Chromium, molybdenum or tungsten
- B01J23/88—Molybdenum
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07B—GENERAL METHODS OF ORGANIC CHEMISTRY; APPARATUS THEREFOR
- C07B61/00—Other general methods
-
- 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
- C10G2400/30—Aromatics
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
- Catalysts (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20578491 | 1991-08-16 | ||
| JP5481792 | 1992-03-13 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE69209934D1 DE69209934D1 (de) | 1996-05-23 |
| DE69209934T2 true DE69209934T2 (de) | 1996-11-07 |
Family
ID=26395628
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE69209934T Expired - Lifetime DE69209934T2 (de) | 1991-08-16 | 1992-08-14 | Verfahren zur Herstellung von 2-Methylnaphthalin |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US5243113A (enExample) |
| EP (1) | EP0528384B1 (enExample) |
| JP (1) | JPH05310611A (enExample) |
| KR (1) | KR950008271B1 (enExample) |
| DE (1) | DE69209934T2 (enExample) |
| TW (1) | TW261610B (enExample) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5723711A (en) * | 1996-11-06 | 1998-03-03 | Kobe Steel, Ltd. | Process for preparing 2-methylnaphthalene |
| CN1970688B (zh) * | 2006-12-13 | 2010-05-12 | 上海奥韦通工程技术有限公司 | 乙烯焦油综合加工工艺 |
| CN109293464B (zh) * | 2018-11-19 | 2021-07-09 | 鹏辰新材料科技股份有限公司 | 一种从洗油中有效分离提纯2-甲基萘的方法 |
| CN114539017A (zh) * | 2022-02-28 | 2022-05-27 | 煤炭科学技术研究院有限公司 | 一种从洗油中分离精制2-甲基萘的方法 |
| CN114507111A (zh) * | 2022-02-28 | 2022-05-17 | 煤炭科学技术研究院有限公司 | 一种用化学法从洗油中分离精制2-甲基萘的方法 |
| CN116376587B (zh) * | 2023-05-25 | 2024-12-31 | 中煤科工清洁能源股份有限公司 | 一种洗油馏分高值化的加工利用方法 |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1124958A (fr) * | 1954-03-12 | 1956-10-22 | Apv Co Ltd | Procédé perfectionné de production de la naphtaline |
| US3000983A (en) * | 1958-08-12 | 1961-09-19 | Sinclair Refining Co | Process for the hydrogenation of naphthalene |
| US3075890A (en) * | 1958-11-24 | 1963-01-29 | Stone & Webster Eng Corp | Purification of naphthalene by distillation |
| GB943239A (en) * | 1961-03-07 | 1963-12-04 | British Petroleum Co | Improvements relating to the treatment of hydrocarbon fractions |
| US3481996A (en) * | 1968-12-04 | 1969-12-02 | Sun Oil Co | Process for hydrodesulfurization of cracked gas oils and the production of dimethyldecalins and fuel oil blending components |
| US3504045A (en) * | 1969-06-03 | 1970-03-31 | American Cyanamid Co | Isomerization of alpha isopropyl naphthalene to beta isopropyl naphthalene |
| GB1434026A (en) * | 1972-10-24 | 1976-04-28 | Ici Ltd | Alkyl benzene isomerisation process |
| GB1415004A (en) * | 1972-10-24 | 1975-11-26 | Ici Ltd | Alkyl benzene isomerisation process |
| US3887630A (en) * | 1974-02-04 | 1975-06-03 | Union Oil Co | Isomerization of alkyl aromatic hydrocarbons |
| US3886223A (en) * | 1974-05-01 | 1975-05-27 | American Cyanamid Co | Isomerization of isopropylnaphthalene alkylate mixtures |
| JP2734515B2 (ja) * | 1988-02-19 | 1998-03-30 | 日本電気株式会社 | 入出力バッファの管理装置 |
| US4950825A (en) * | 1988-06-24 | 1990-08-21 | Amoco Corporation | Preparation of a dimethyltetralin |
| US5276234A (en) * | 1990-09-13 | 1994-01-04 | Kawasaki Steel Corporation | Process for producing 2-methylnaphthalene |
| EP0490349B1 (en) * | 1990-12-12 | 1995-05-31 | Kawasaki Steel Corporation | Process for producing 2-methylnaphthalene and method of restoring the activity of solid acid catalyst used in that process |
| US5284552A (en) * | 1991-06-11 | 1994-02-08 | Kawasaki Steel Corporation | Method for refining methylnaphthalene-containing oil |
-
1992
- 1992-06-10 JP JP4150541A patent/JPH05310611A/ja not_active Withdrawn
- 1992-08-10 US US07/927,468 patent/US5243113A/en not_active Expired - Fee Related
- 1992-08-12 TW TW081106367A patent/TW261610B/zh not_active IP Right Cessation
- 1992-08-14 EP EP92113924A patent/EP0528384B1/en not_active Expired - Lifetime
- 1992-08-14 DE DE69209934T patent/DE69209934T2/de not_active Expired - Lifetime
- 1992-08-17 KR KR1019920014800A patent/KR950008271B1/ko not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH05310611A (ja) | 1993-11-22 |
| EP0528384A2 (en) | 1993-02-24 |
| TW261610B (enExample) | 1995-11-01 |
| US5243113A (en) | 1993-09-07 |
| DE69209934D1 (de) | 1996-05-23 |
| KR950008271B1 (ko) | 1995-07-27 |
| EP0528384A3 (en) | 1993-04-21 |
| EP0528384B1 (en) | 1996-04-17 |
| KR930004235A (ko) | 1993-03-22 |
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