BE782075A - Isolement d'isomeres de melanges aromatiques - Google Patents
Isolement d'isomeres de melanges aromatiquesInfo
- Publication number
- BE782075A BE782075A BE782075A BE782075A BE782075A BE 782075 A BE782075 A BE 782075A BE 782075 A BE782075 A BE 782075A BE 782075 A BE782075 A BE 782075A BE 782075 A BE782075 A BE 782075A
- Authority
- BE
- Belgium
- Prior art keywords
- isomers
- aromatic mixtures
- aromatic
- mixtures
- Prior art date
Links
- 239000000203 mixture Substances 0.000 title 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C7/00—Purification; Separation; Use of additives
- C07C7/12—Purification; Separation; Use of additives by adsorption, i.e. purification or separation of hydrocarbons with the aid of solids, e.g. with ion-exchangers
-
- 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
- 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
-
- 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
- C07C7/00—Purification; Separation; Use of additives
- C07C7/04—Purification; Separation; Use of additives by distillation
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C7/00—Purification; Separation; Use of additives
- C07C7/14—Purification; Separation; Use of additives by crystallisation; Purification or separation of the crystals
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 |
|---|---|---|---|
| US13392971A | 1971-04-14 | 1971-04-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE782075A true BE782075A (fr) | 1972-10-13 |
Family
ID=22460957
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE782075A BE782075A (fr) | 1971-04-14 | 1972-04-13 | Isolement d'isomeres de melanges aromatiques |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US3729523A (https=) |
| BE (1) | BE782075A (https=) |
| CA (1) | CA973504A (https=) |
| DE (1) | DE2218139A1 (https=) |
| FR (1) | FR2133650B1 (https=) |
| GB (1) | GB1375909A (https=) |
| IT (1) | IT953643B (https=) |
| NL (1) | NL7204913A (https=) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW200454B (https=) * | 1991-09-05 | 1993-02-21 | Inst Of France Petroleum | |
| IT1262941B (it) * | 1992-06-15 | 1996-07-22 | Enichem Spa | Procedimento per la separazione di miscele di idrocarburi c8 aromatici |
| US5329060A (en) * | 1993-04-01 | 1994-07-12 | Uop | Integrated selective adsorption and crystallization process for para-xylene recovery |
| FR2728894A1 (fr) * | 1994-12-29 | 1996-07-05 | Inst Francais Du Petrole | Procede de separation de paraxylene comportant au moins deux etages de cristallisation a haute temperature |
| FR2728893A1 (fr) * | 1994-12-29 | 1996-07-05 | Inst Francais Du Petrole | Procede de separation de paraxylene comportant au moins un etage de cristallisation a haute temperature et au moins un traitement a la terre situe en amont de la zone d'adsorption |
| FR2739375B1 (fr) * | 1995-09-29 | 1997-12-05 | Inst Francais Du Petrole | Production de paraxylene a partir d'un effluent de dismutation paraselective du toluene par un procede de cristallisation associe a une adsorption en lit mobile simule |
| US6518472B1 (en) | 1996-08-05 | 2003-02-11 | Bp Corporation North America Inc. | Stabilized dual bed xylene isomerization catalyst system |
| US6878855B2 (en) * | 2000-02-22 | 2005-04-12 | Exxonmobil Chemical Patents Inc. | Process for producing para-xylene |
| US6627783B2 (en) | 2000-07-10 | 2003-09-30 | Bp Corporation North America Inc. | Pressure swing adsorption process for separating para-xylene and ethylbenzene from mixed C8 aromatics |
| TWI240716B (en) | 2000-07-10 | 2005-10-01 | Bp Corp North America Inc | Pressure swing adsorption process for separating paraxylene and ethylbenzene from mixed C8 aromatics |
| US6573418B2 (en) | 2000-07-10 | 2003-06-03 | Bp Corporation North America Inc. | Process for production of para-xylene incorporating pressure swing adsorption and simulated moving bed adsorption |
| US7271305B2 (en) * | 2003-05-01 | 2007-09-18 | Bp Corporation North America Inc. | Method of obtaining para-xylene |
| US7122496B2 (en) * | 2003-05-01 | 2006-10-17 | Bp Corporation North America Inc. | Para-xylene selective adsorbent compositions and methods |
| WO2019113207A1 (en) * | 2017-12-05 | 2019-06-13 | Bp Corporation North America Inc. | Method of recovering paraxylene from a mixture of aromatic hydrocarbons |
| CN112573985B (zh) * | 2019-09-29 | 2023-04-07 | 中国石油化工股份有限公司 | 由c8芳烃生产对二甲苯和乙苯的方法 |
| CN114874064A (zh) * | 2022-03-22 | 2022-08-09 | 宁波中金石化有限公司 | 一种高产能的c8芳烃吸附分离方法 |
-
1971
- 1971-04-14 US US00133929A patent/US3729523A/en not_active Expired - Lifetime
-
1972
- 1972-02-29 CA CA135,831A patent/CA973504A/en not_active Expired
- 1972-03-14 GB GB1178072A patent/GB1375909A/en not_active Expired
- 1972-04-11 IT IT23022/72A patent/IT953643B/it active
- 1972-04-12 FR FR7212842A patent/FR2133650B1/fr not_active Expired
- 1972-04-12 NL NL7204913A patent/NL7204913A/xx not_active Application Discontinuation
- 1972-04-13 BE BE782075A patent/BE782075A/xx unknown
- 1972-04-14 DE DE19722218139 patent/DE2218139A1/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| CA973504A (en) | 1975-08-26 |
| US3729523A (en) | 1973-04-24 |
| DE2218139A1 (de) | 1972-10-26 |
| IT953643B (it) | 1973-08-10 |
| FR2133650B1 (https=) | 1974-09-13 |
| NL7204913A (https=) | 1972-10-17 |
| GB1375909A (en) | 1974-12-04 |
| FR2133650A1 (https=) | 1972-12-01 |
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