MX9304776A - Nuevo proceso diseñado para la alquilacion de pro uctos aromaticos. - Google Patents
Nuevo proceso diseñado para la alquilacion de pro uctos aromaticos.Info
- Publication number
- MX9304776A MX9304776A MX9304776A MX9304776A MX9304776A MX 9304776 A MX9304776 A MX 9304776A MX 9304776 A MX9304776 A MX 9304776A MX 9304776 A MX9304776 A MX 9304776A MX 9304776 A MX9304776 A MX 9304776A
- Authority
- MX
- Mexico
- Prior art keywords
- aromatic
- alkylating agent
- rental
- new process
- reactor
- Prior art date
Links
- 238000000034 method Methods 0.000 title abstract 3
- 229940100198 alkylating agent Drugs 0.000 abstract 3
- 239000002168 alkylating agent Substances 0.000 abstract 3
- 125000003118 aryl group Chemical group 0.000 abstract 3
- 239000003377 acid catalyst Substances 0.000 abstract 1
- 150000001491 aromatic compounds Chemical class 0.000 abstract 1
- 239000003054 catalyst Substances 0.000 abstract 1
- 150000001875 compounds Chemical class 0.000 abstract 1
- 238000002347 injection Methods 0.000 abstract 1
- 239000007924 injection Substances 0.000 abstract 1
- 239000011541 reaction mixture Substances 0.000 abstract 1
Classifications
-
- 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
- C07C2/54—Preparation of hydrocarbons from hydrocarbons containing a smaller number of carbon atoms by addition of unsaturated hydrocarbons to saturated hydrocarbons or to hydrocarbons containing a six-membered aromatic ring with no unsaturation outside the aromatic ring
- C07C2/64—Addition to a carbon atom of a six-membered aromatic ring
- C07C2/66—Catalytic processes
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Catalysts (AREA)
Abstract
Se describe un método para incrementar de manera simple y efectiva la manoalquilación e compuestos aromáticos al mismo tiempo que se incremente la vida del catalizador ácido utilizado para alquilar dichos compuestos. El método y aparato implica la reducción drástica de la cantidad del agente de alquilación en la mezcla de reacción, por ejemplo, hasta un mínimo cercano de 99:1 de exceso de aromático, preferentemente hasta alrededor de 999:1 de exceso de aromático. En una modalidad preferente, el agente de alquilación se introduce intermitentemente, o en etapas, en una proporción mínima de 999:1 de manera que el exceso de aromático se puede mantener en todo los puntos del reactor con el fin de prolongar de manera más efectiva la vida del catalizador. Para una operación continua, se puede utilizar un solo reactor equipado con múltiples puertos de inyección, o se pueden conectar en serie múltiples reactores adaptados de manera que el agente alquilante se pueda introducir antes de cada reactor.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US07/926,093 US5756873A (en) | 1992-08-05 | 1992-08-05 | Design for aromatics alkylation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| MX9304776A true MX9304776A (es) | 1994-02-28 |
Family
ID=25452745
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| MX9304776A MX9304776A (es) | 1992-08-05 | 1993-08-05 | Nuevo proceso diseñado para la alquilacion de pro uctos aromaticos. |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US5756873A (es) |
| EP (1) | EP0654021B1 (es) |
| JP (1) | JPH08501082A (es) |
| KR (1) | KR0149958B1 (es) |
| DE (1) | DE69306394T2 (es) |
| ES (1) | ES2096319T3 (es) |
| MX (1) | MX9304776A (es) |
| TW (1) | TW350834B (es) |
| WO (1) | WO1994003416A1 (es) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2854628B1 (fr) * | 2003-05-07 | 2005-06-24 | Inst Francais Du Petrole | Procede de production de phenylalcanes en presence d'un catalyseur solide acide dont la desactivation est retardee |
| US7622622B1 (en) | 2004-06-21 | 2009-11-24 | Uop Llc | Process for the high yield production of monoalkylaromatics |
| JP5485639B2 (ja) * | 2009-10-05 | 2014-05-07 | 山本化成株式会社 | アルキルベンゼン誘導体の製造方法 |
| WO2018106357A1 (en) * | 2016-12-05 | 2018-06-14 | Exxonmobil Chemical Patents Inc. | Process of producing paraxylene by the methylation of toluene and/or benzene |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3211799A (en) * | 1962-01-10 | 1965-10-12 | Sinclair Research Inc | Method for alkylation of aromatics |
| US3926842A (en) * | 1973-01-02 | 1975-12-16 | Texaco Inc | Method of regenerating spent hydroalkylation catalyst containing an oxidizable group viii metal |
| US4185040A (en) * | 1977-12-16 | 1980-01-22 | Union Oil Company Of California | Alkylation of aromatic hydrocarbons |
| US4169111A (en) * | 1978-02-02 | 1979-09-25 | Union Oil Company Of California | Manufacture of ethylbenzene |
| CA1135286A (en) * | 1978-12-14 | 1982-11-09 | Mobil Oil Corporation | Alkylation of aromatic hydrocarbons |
| US4400570A (en) * | 1982-05-21 | 1983-08-23 | Cosden Technology, Inc. | Ethylbenzene production employing tea-silicate catalysts |
| US4683052A (en) * | 1985-06-11 | 1987-07-28 | Mobil Oil Corporation | Method for non-oxidative hydrogen reactivation of zeolite dewaxing catalysts |
| US4761513A (en) * | 1987-07-01 | 1988-08-02 | Uop Inc. | Temperature control for aromatic alkylation process |
| US4849569A (en) * | 1987-11-16 | 1989-07-18 | Chemical Research & Licensing Company | Alkylation of organic aromatic compounds |
| US5019669A (en) * | 1989-03-10 | 1991-05-28 | Chemical Research & Licensing Company | Alkylation of organic aromatic compounds |
| JPH06239771A (ja) * | 1989-12-22 | 1994-08-30 | Dow Chem Co:The | ベンゼンもしくは置換ベンゼンのアルキル化またはアルキル化ベンゼンのトランスアルキル化の方法および触媒組成物 |
| US5043506A (en) * | 1990-09-17 | 1991-08-27 | Crossland Clifford S | Process for the alkylation of organic aromtic compounds in the presence of inert aliphatic compounds |
| JP3037752B2 (ja) * | 1991-10-11 | 2000-05-08 | キャタピラー インコーポレイテッド | 油圧作動式電子制御ユニット噴射器のアクチュエータ及びバルブ組立体 |
-
1992
- 1992-08-05 US US07/926,093 patent/US5756873A/en not_active Expired - Lifetime
-
1993
- 1993-08-05 WO PCT/US1993/007379 patent/WO1994003416A1/en not_active Ceased
- 1993-08-05 ES ES93918667T patent/ES2096319T3/es not_active Expired - Lifetime
- 1993-08-05 JP JP6505570A patent/JPH08501082A/ja active Pending
- 1993-08-05 EP EP93918667A patent/EP0654021B1/en not_active Expired - Lifetime
- 1993-08-05 MX MX9304776A patent/MX9304776A/es not_active IP Right Cessation
- 1993-08-05 DE DE69306394T patent/DE69306394T2/de not_active Expired - Fee Related
- 1993-08-05 KR KR1019950700402A patent/KR0149958B1/ko not_active Expired - Fee Related
- 1993-08-12 TW TW082106463A patent/TW350834B/zh active
Also Published As
| Publication number | Publication date |
|---|---|
| WO1994003416A1 (en) | 1994-02-17 |
| KR0149958B1 (ko) | 1999-05-15 |
| TW350834B (en) | 1999-01-21 |
| EP0654021A1 (en) | 1995-05-24 |
| DE69306394T2 (de) | 1997-03-27 |
| KR950702950A (ko) | 1995-08-23 |
| DE69306394D1 (de) | 1997-01-16 |
| US5756873A (en) | 1998-05-26 |
| ES2096319T3 (es) | 1997-03-01 |
| JPH08501082A (ja) | 1996-02-06 |
| EP0654021B1 (en) | 1996-12-04 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FG | Grant or registration | ||
| MM | Annulment or lapse due to non-payment of fees |