BE819849A - Procede d'isomerisation des xylenes - Google Patents
Procede d'isomerisation des xylenesInfo
- Publication number
- BE819849A BE819849A BE148468A BE148468A BE819849A BE 819849 A BE819849 A BE 819849A BE 148468 A BE148468 A BE 148468A BE 148468 A BE148468 A BE 148468A BE 819849 A BE819849 A BE 819849A
- Authority
- BE
- Belgium
- Prior art keywords
- xylen
- isomerization process
- isomerization
- xylen isomerization
- Prior art date
Links
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
- C07C15/02—Monocyclic hydrocarbons
- C07C15/067—C8H10 hydrocarbons
- C07C15/073—Ethylbenzene
-
- 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
- C07C5/2754—Catalytic processes with metals
-
- 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
- Y10S585/8995—Catalyst and recycle considerations
- Y10S585/905—Catalyst and recycle considerations by-product conversion to feed
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Crystallography & Structural Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Catalysts (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US00397039A US3856872A (en) | 1973-09-13 | 1973-09-13 | Xylene isomerization |
Publications (1)
Publication Number | Publication Date |
---|---|
BE819849A true BE819849A (fr) | 1975-03-12 |
Family
ID=23569633
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE148468A BE819849A (fr) | 1973-09-13 | 1974-09-12 | Procede d'isomerisation des xylenes |
Country Status (5)
Country | Link |
---|---|
US (1) | US3856872A (fr) |
BE (1) | BE819849A (fr) |
CA (1) | CA1026771A (fr) |
IN (1) | IN141101B (fr) |
ZA (1) | ZA744643B (fr) |
Families Citing this family (64)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3957621A (en) * | 1974-06-17 | 1976-05-18 | Mobil Oil Corporation | Production of alkyl aromatic hydrocarbons |
US3948758A (en) * | 1974-06-17 | 1976-04-06 | Mobil Oil Corporation | Production of alkyl aromatic hydrocarbons |
US3945913A (en) * | 1974-08-26 | 1976-03-23 | Mobil Oil Corporation | Manufacture of lower aromatic compounds |
US4118430A (en) * | 1976-04-29 | 1978-10-03 | Atlantic Richfield Company | Process for the isomerization of hydrocarbons |
US4100214A (en) * | 1976-05-07 | 1978-07-11 | Mobil Oil Corporation | Isomerization of monocyclic alkyl aromatic hydrocarbons |
JPS52148028A (en) * | 1976-06-04 | 1977-12-08 | Toa Nenryo Kogyo Kk | Conversion of c8 aromatic hydrocarbon |
US4101596A (en) * | 1977-01-10 | 1978-07-18 | Mobil Oil Company | Low pressure xylene isomerization |
US4098836A (en) * | 1977-03-09 | 1978-07-04 | Mobil Oil Corporation | Vapor-phase isomerization process |
US4101595A (en) * | 1977-05-02 | 1978-07-18 | Mobil Oil Corporation | Conversion of ethyl benzene to para xylene |
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 |
US4101597A (en) * | 1977-06-23 | 1978-07-18 | Mobil Oil Corporation | Recovery of p-xylene and benzene from eight carbon atom aromatic fractions |
US4158676A (en) * | 1977-07-08 | 1979-06-19 | Mobil Oil Corporation | Isomerization process |
US4163028A (en) * | 1977-07-22 | 1979-07-31 | Mobil Oil Corporation | Xylene isomerization |
US4159283A (en) * | 1978-04-07 | 1979-06-26 | Mobil Oil Corporation | Isomerization process |
USRE31782E (en) * | 1978-06-09 | 1984-12-25 | Mobil Oil Corporation | Xylene isomerization |
US4159282A (en) * | 1978-06-09 | 1979-06-26 | Mobil Oil Corporation | Xylene isomerization |
US4188282A (en) * | 1978-06-12 | 1980-02-12 | Mobile Oil Corporation | Manufacture of benzene, toluene and xylene |
US4218573A (en) * | 1978-06-12 | 1980-08-19 | Mobil Oil Corporation | Xylene isomerization |
US4181811A (en) * | 1978-12-14 | 1980-01-01 | Mobil Oil Corporation | Selective reaction of 1,4-disubstituted aromatic compounds |
US4224141A (en) * | 1979-05-21 | 1980-09-23 | Mobil Oil Corporation | Manufacture of aromatic compounds |
US4236996A (en) * | 1979-05-25 | 1980-12-02 | Mobil Oil Corporation | Xylene isomerization |
US4435608A (en) | 1980-12-12 | 1984-03-06 | Exxon Research & Engineering Co. | Xylene isomerization |
DE3172377D1 (en) * | 1980-12-12 | 1985-10-24 | Exxon Research Engineering Co | Composite zeolite |
NZ199280A (en) * | 1980-12-17 | 1985-05-31 | Ici Plc | Isomerisation of hydrocarbons using catalytic zeolite designated nu-5 |
DE3261680D1 (en) * | 1981-05-20 | 1985-02-07 | Ici Plc | Process for the isomerization of alkylbenzenes |
US4467129A (en) * | 1982-11-24 | 1984-08-21 | Toray Industries, Inc. | Conversion of xylenes containing ethylbenzene |
US4789656A (en) * | 1986-03-03 | 1988-12-06 | Mobil Oil Corporation | Crystalline silicate zeolite beta of improved stability |
US4723050A (en) * | 1986-09-03 | 1988-02-02 | Cosden Technology, Inc. | Xylene isomerization process |
US4840929A (en) * | 1987-07-02 | 1989-06-20 | Mobil Oil Corporation | Zeolite beta with improved regeneration characteristics |
US5043512A (en) * | 1988-10-06 | 1991-08-27 | Mobil Oil Corp. | Alkylaromatic isomerization process |
DE3882709D1 (de) * | 1988-11-16 | 1993-09-02 | Indian Petrochemicals Corp Ltd | Verfahren zur herstellung von p-xylol und o-xylol. |
US4970397A (en) * | 1989-06-16 | 1990-11-13 | Mobil Oil Corporation | Method and apparatus for activating catalysts using electromagnetic radiation |
US5028573A (en) * | 1990-01-29 | 1991-07-02 | Mobil Oil Corp. | Dual function catalyst and isomerization therewith |
US5082984A (en) * | 1990-01-29 | 1992-01-21 | Mobil Oil Corp. | Dual function catalyst and isomerization therewith |
US5001296A (en) * | 1990-03-07 | 1991-03-19 | Mobil Oil Corp. | Catalytic hydrodealkylation of aromatics |
US5043513A (en) * | 1990-03-07 | 1991-08-27 | Mobil Oil Corp. | Catalytic hydrodealkylation of aromatics |
FR2700715B1 (fr) * | 1993-01-28 | 1995-03-31 | Inst Francais Du Petrole | Catalyseur à base de zéolithe MFI modifiée, et son utilisation en isomérisation d'une coupe C8 aromatique. |
US6207871B1 (en) | 1997-12-19 | 2001-03-27 | Mobil Oil Corporation | High-purity meta-xylene production process |
US6051744A (en) * | 1998-12-17 | 2000-04-18 | Chevron Chemical Company Llc | Low pressure hydrodealkylation of ethylbenzene and xylene isomerization |
US6143941A (en) * | 1999-03-03 | 2000-11-07 | Uop Llc | Selective xylenes isomerization and ethylbenzene conversion |
US6222086B1 (en) | 1999-07-02 | 2001-04-24 | Uop Llc | Aromatics isomerization using a dual-catalyst system |
US6398947B2 (en) | 1999-09-27 | 2002-06-04 | Exxon Mobil Oil Corporation | Reformate upgrading using zeolite catalyst |
US6355853B1 (en) | 2000-02-24 | 2002-03-12 | Uop Llc | Selective xylenes isomerization and ethylbenzene conversion |
US6512155B1 (en) | 2000-04-25 | 2003-01-28 | Uop Llc | Process for the activation of an alkylaromatic isomerization catalyst by water |
US6872866B1 (en) * | 2003-12-15 | 2005-03-29 | Uop Llc | Liquid phase process for C8 alkylaromatic isomerization |
EP1699556A2 (fr) * | 2003-12-30 | 2006-09-13 | Uop Llc | Procede et catalyseur pour l'isomerisation de c8-alkylaromatiques |
US7379799B2 (en) * | 2005-06-29 | 2008-05-27 | General Electric Company | Method and system for hierarchical fault classification and diagnosis in large systems |
US7371913B2 (en) * | 2005-06-30 | 2008-05-13 | Uop Llc | Selective aromatics isomerization process |
US7368620B2 (en) * | 2005-06-30 | 2008-05-06 | Uop Llc | Two-stage aromatics isomerization process |
US7381677B1 (en) * | 2005-09-14 | 2008-06-03 | Uop Llc | Ethylbenzene conversion and xylene isomerization processes and catalysts therefor |
US20070060779A1 (en) * | 2005-09-14 | 2007-03-15 | Bogdan Paula L | Process for the isomerization of xylenes and catalyst therefor |
US7553998B2 (en) * | 2006-06-21 | 2009-06-30 | Uop Llc | Energy-efficient process for para-xylene production |
US20090143218A1 (en) * | 2007-12-03 | 2009-06-04 | Bogdan Paula L | Regeneration process for a c8 alkylaromatic isomerization catalyst |
BRPI0914603A2 (pt) * | 2008-07-04 | 2015-12-08 | Shell Internationale Res Maartschappij B V | catalizador de isomerização de alquilaromáticos, e, processo para a isomerização de alquilaromáticos para fornecer uma mistura de reação. |
EP2455160A1 (fr) | 2010-11-18 | 2012-05-23 | Shell Internationale Research Maatschappij B.V. | Procédé de préparation de catalyseur d'isomérisation |
EP2455161A1 (fr) | 2010-11-18 | 2012-05-23 | Shell Internationale Research Maatschappij B.V. | Procédé de préparation de catalyseur d'isomérisation |
US9309170B2 (en) | 2011-11-14 | 2016-04-12 | Uop Llc | Aromatics isomerization using a dual-catalyst system |
CN104250201B (zh) * | 2014-07-24 | 2016-06-15 | 中国石油大学(华东) | 用于分离生产对二甲苯的方法 |
US9963403B2 (en) * | 2014-10-27 | 2018-05-08 | Exxonmobil Chemical Patents Inc. | Process and apparatus for the conversion of hydrocarbons |
US10722873B2 (en) * | 2015-12-11 | 2020-07-28 | Shell Oil Company | Catalyst composition and isomerisation process |
CN110088068B (zh) | 2016-12-21 | 2022-12-06 | 环球油品有限责任公司 | 沸石uzm-55的物质组合物和结构及在芳族分子异构化中的用途 |
WO2020127847A1 (fr) | 2018-12-21 | 2020-06-25 | Shell Internationale Research Maatschappij B.V. | Procédé d'isomérisation |
JP7451684B2 (ja) | 2019-08-23 | 2024-03-18 | エクソンモービル ケミカル パテンツ インコーポレイテッド | C8芳香族炭化水素の異性化法 |
US20220289645A1 (en) | 2019-08-23 | 2022-09-15 | Exxonmobil Chemical Patents Inc. | Processes for Isomerizing C8 Aromatic Hydrocarbons Using Serial Reactors |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2795630A (en) * | 1954-08-26 | 1957-06-11 | Standard Oil Co | Preparation of trialkylbenzenes |
US3790471A (en) * | 1969-10-10 | 1974-02-05 | Mobil Oil Corp | Conversion with zsm-5 family of crystalline aluminosilicate zeolites |
US3646236A (en) * | 1970-03-27 | 1972-02-29 | Engelhard Min & Chem | Disproportionation of toluene with a platinum-rhenium-solid oxide catalyst |
US3691247A (en) * | 1970-09-28 | 1972-09-12 | Phillips Petroleum Co | Selectively removing monoalkylbenzenes from mixtures thereof with dialkylbenzenes |
US3751504A (en) * | 1972-05-12 | 1973-08-07 | Mobil Oil Corp | Vapor-phase alkylation in presence of crystalline aluminosilicate catalyst with separate transalkylation |
US3756942A (en) * | 1972-05-17 | 1973-09-04 | Mobil Oil Corp | Process for the production of aromatic compounds |
US3761389A (en) * | 1972-08-28 | 1973-09-25 | Mobil Oil Corp | Process of converting aliphatics to aromatics |
-
1973
- 1973-09-13 US US00397039A patent/US3856872A/en not_active Expired - Lifetime
-
1974
- 1974-06-13 IN IN1302/CAL/74A patent/IN141101B/en unknown
- 1974-06-18 CA CA202,759A patent/CA1026771A/fr not_active Expired
- 1974-07-19 ZA ZA00744643A patent/ZA744643B/xx unknown
- 1974-09-12 BE BE148468A patent/BE819849A/fr not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
IN141101B (fr) | 1977-01-15 |
ZA744643B (en) | 1976-02-25 |
US3856872A (en) | 1974-12-24 |
CA1026771A (fr) | 1978-02-21 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RE20 | Patent expired |
Owner name: MOBIL OIL CORP. Effective date: 19940912 |