DE2112004A1 - Verfahren zur Fraktionierung von vorwiegend C8 aromatischen Kohlenwasserstoffgemischen - Google Patents
Verfahren zur Fraktionierung von vorwiegend C8 aromatischen KohlenwasserstoffgemischenInfo
- Publication number
- DE2112004A1 DE2112004A1 DE19712112004 DE2112004A DE2112004A1 DE 2112004 A1 DE2112004 A1 DE 2112004A1 DE 19712112004 DE19712112004 DE 19712112004 DE 2112004 A DE2112004 A DE 2112004A DE 2112004 A1 DE2112004 A1 DE 2112004A1
- Authority
- DE
- Germany
- Prior art keywords
- xylene
- zone
- fractionation
- feed
- stream
- 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.)
- Pending
Links
- 238000005194 fractionation Methods 0.000 title claims description 92
- 238000000034 method Methods 0.000 title claims description 47
- 239000000203 mixture Substances 0.000 title claims description 24
- 150000004945 aromatic hydrocarbons Chemical class 0.000 title description 3
- URLKBWYHVLBVBO-UHFFFAOYSA-N Para-Xylene Chemical group CC1=CC=C(C)C=C1 URLKBWYHVLBVBO-UHFFFAOYSA-N 0.000 claims description 172
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical group CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 claims description 159
- IVSZLXZYQVIEFR-UHFFFAOYSA-N m-xylene Chemical group CC1=CC=CC(C)=C1 IVSZLXZYQVIEFR-UHFFFAOYSA-N 0.000 claims description 128
- YNQLUTRBYVCPMQ-UHFFFAOYSA-N Ethylbenzene Chemical compound CCC1=CC=CC=C1 YNQLUTRBYVCPMQ-UHFFFAOYSA-N 0.000 claims description 108
- 229940078552 o-xylene Drugs 0.000 claims description 75
- 238000000926 separation method Methods 0.000 claims description 24
- 239000008096 xylene Substances 0.000 claims description 22
- 150000003738 xylenes Chemical class 0.000 claims description 18
- 238000011068 loading method Methods 0.000 claims description 17
- 238000006243 chemical reaction Methods 0.000 claims description 15
- 229930195733 hydrocarbon Natural products 0.000 claims description 13
- 150000002430 hydrocarbons Chemical class 0.000 claims description 13
- 150000001875 compounds Chemical class 0.000 claims description 4
- 239000000126 substance Substances 0.000 claims description 4
- 239000004215 Carbon black (E152) Substances 0.000 claims description 3
- 238000009833 condensation Methods 0.000 claims description 3
- 230000005494 condensation Effects 0.000 claims description 3
- 239000012084 conversion product Substances 0.000 claims description 3
- 238000001556 precipitation Methods 0.000 claims description 3
- 239000000047 product Substances 0.000 description 57
- 229940058172 ethylbenzene Drugs 0.000 description 51
- 238000010992 reflux Methods 0.000 description 16
- 239000000306 component Substances 0.000 description 15
- 241000196324 Embryophyta Species 0.000 description 9
- 239000000463 material Substances 0.000 description 9
- 238000000746 purification Methods 0.000 description 9
- UHOVQNZJYSORNB-UHFFFAOYSA-N monobenzene Natural products C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 8
- 238000006317 isomerization reaction Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 6
- 238000004140 cleaning Methods 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 4
- 230000005611 electricity Effects 0.000 description 4
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 125000003118 aryl group Chemical group 0.000 description 3
- 238000009835 boiling Methods 0.000 description 3
- 238000002425 crystallisation Methods 0.000 description 3
- 230000008025 crystallization Effects 0.000 description 3
- 239000012452 mother liquor Substances 0.000 description 3
- 238000001179 sorption measurement Methods 0.000 description 3
- 238000010792 warming Methods 0.000 description 3
- 239000008139 complexing agent Substances 0.000 description 2
- 238000004821 distillation Methods 0.000 description 2
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 206010061926 Purulence Diseases 0.000 description 1
- 240000007313 Tilia cordata Species 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 239000012459 cleaning agent Substances 0.000 description 1
- 230000009918 complex formation Effects 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 239000013256 coordination polymer Substances 0.000 description 1
- 238000000895 extractive distillation Methods 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- DYCKFEBIOUQECE-UHFFFAOYSA-N nefazodone hydrochloride Chemical compound [H+].[Cl-].O=C1N(CCOC=2C=CC=CC=2)C(CC)=NN1CCCN(CC1)CCN1C1=CC=CC(Cl)=C1 DYCKFEBIOUQECE-UHFFFAOYSA-N 0.000 description 1
- 150000002884 o-xylenes Chemical class 0.000 description 1
- 150000002938 p-xylenes Chemical class 0.000 description 1
- 238000002203 pretreatment Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
- 238000002407 reforming Methods 0.000 description 1
- 229940099190 serzone Drugs 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000000638 solvent extraction Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C7/00—Purification; Separation; Use of additives
- C07C7/005—Processes comprising at least two steps in series
-
- 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
- C07C5/2702—Catalytic processes not covered by C07C5/2732 - C07C5/31; Catalytic processes covered by both C07C5/2732 and C07C5/277 simultaneously
- C07C5/2708—Catalytic processes not covered by C07C5/2732 - C07C5/31; Catalytic processes covered by both C07C5/2732 and C07C5/277 simultaneously with crystalline alumino-silicates, e.g. molecular sieves
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C7/00—Purification; Separation; Use of additives
- C07C7/04—Purification; Separation; Use of additives by distillation
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Water Supply & Treatment (AREA)
- Crystallography & Structural Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US2162770A | 1970-03-23 | 1970-03-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2112004A1 true DE2112004A1 (de) | 1971-10-07 |
Family
ID=21805268
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19712112004 Pending DE2112004A1 (de) | 1970-03-23 | 1971-03-12 | Verfahren zur Fraktionierung von vorwiegend C8 aromatischen Kohlenwasserstoffgemischen |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US3584068A (enExample) |
| BE (1) | BE764671R (enExample) |
| CA (1) | CA941779A (enExample) |
| DE (1) | DE2112004A1 (enExample) |
| ES (1) | ES389498A2 (enExample) |
| FR (1) | FR2088254B2 (enExample) |
| GB (1) | GB1311606A (enExample) |
| IT (1) | IT1008006B (enExample) |
| NL (1) | NL7103906A (enExample) |
| ZA (1) | ZA711215B (enExample) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3700744A (en) * | 1970-09-18 | 1972-10-24 | Universal Oil Prod Co | Simultaneous recovery and production of pure xylenes from a c aromatic mixture |
| GB2121816B (en) * | 1982-06-16 | 1986-08-20 | Ici Plc | Treatment of hydrocarbon feedstocks |
| KR102091670B1 (ko) * | 2013-02-11 | 2020-03-23 | 쥐티씨 테크놀로지 유에스,엘엘씨 | 열적 결합에 의해 에너지 소모를 감소시키는 방법 |
| US9950972B2 (en) * | 2013-09-27 | 2018-04-24 | Uop Llc | Apparatuses and methods for forming C8 aromatic streams with selected amounts of C9 aromatics |
| US20150094507A1 (en) * | 2013-09-27 | 2015-04-02 | Uop Llc | Apparatuses and methods for isolating c8 aromatics |
| CA2933493A1 (en) * | 2013-12-17 | 2015-06-25 | Bp Corporation North America Inc. | Enhanced heat recovery in paraxylene plant |
| US10266462B2 (en) | 2014-02-13 | 2019-04-23 | Bp Corporation North America Inc. | Energy efficient fractionation process for separating the reactor effluent from TOL/A9+ transalkylation processes |
| ES2972823T3 (es) | 2018-07-20 | 2024-06-17 | Scg Chemicals Co Ltd | Proceso para la separación de etilbenceno de otros compuestos aromáticos C8 |
| 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 |
| CN116271937B (zh) * | 2023-02-28 | 2026-01-02 | 中国石油化工股份有限公司 | 一种超声强化c8芳烃结晶分离的方法及系统 |
-
1970
- 1970-03-23 US US21627A patent/US3584068A/en not_active Expired - Lifetime
-
1971
- 1971-02-25 ZA ZA711215A patent/ZA711215B/xx unknown
- 1971-03-12 DE DE19712112004 patent/DE2112004A1/de active Pending
- 1971-03-17 CA CA107,991A patent/CA941779A/en not_active Expired
- 1971-03-23 FR FR717110202A patent/FR2088254B2/fr not_active Expired
- 1971-03-23 IT IT49242/71A patent/IT1008006B/it active
- 1971-03-23 BE BE764671A patent/BE764671R/xx active
- 1971-03-23 NL NL7103906A patent/NL7103906A/xx unknown
- 1971-03-23 ES ES389498A patent/ES389498A2/es not_active Expired
- 1971-04-19 GB GB2278071A patent/GB1311606A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2088254A2 (enExample) | 1972-01-07 |
| IT1008006B (it) | 1976-11-10 |
| NL7103906A (enExample) | 1971-09-27 |
| FR2088254B2 (enExample) | 1973-06-08 |
| ES389498A2 (es) | 1977-08-01 |
| US3584068A (en) | 1971-06-08 |
| GB1311606A (en) | 1973-03-28 |
| ZA711215B (en) | 1971-11-24 |
| BE764671R (fr) | 1971-09-23 |
| CA941779A (en) | 1974-02-12 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OHN | Withdrawal |