IT1021337B - Procedimento migliorato per l iso merizzazione di frazioni aromati che c 8 - Google Patents
Procedimento migliorato per l iso merizzazione di frazioni aromati che c 8Info
- Publication number
- IT1021337B IT1021337B IT27243/74A IT2724374A IT1021337B IT 1021337 B IT1021337 B IT 1021337B IT 27243/74 A IT27243/74 A IT 27243/74A IT 2724374 A IT2724374 A IT 2724374A IT 1021337 B IT1021337 B IT 1021337B
- Authority
- IT
- Italy
- Prior art keywords
- improved process
- aromatic fractions
- merization
- iso
- zsm
- Prior art date
Links
Classifications
-
- 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
- B01J29/00—Catalysts comprising molecular sieves
- B01J29/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
- B01J29/06—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
- B01J29/70—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of types characterised by their specific structure not provided for in groups B01J29/08 - B01J29/65
- B01J29/7034—MTW-type, e.g. ZSM-12, NU-13, TPZ-12 or Theta-3
-
- 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
- B01J29/00—Catalysts comprising molecular sieves
- B01J29/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
- B01J29/06—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
- B01J29/40—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the pentasil type, e.g. types ZSM-5, ZSM-8 or ZSM-11, as exemplified by patent documents US3702886, GB1334243 and US3709979, respectively
-
- 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
- B01J29/00—Catalysts comprising molecular sieves
- B01J29/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
- B01J29/06—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
- B01J29/70—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of types characterised by their specific structure not provided for in groups B01J29/08 - B01J29/65
-
- 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
-
- 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
- B01J2229/00—Aspects of molecular sieve catalysts not covered by B01J29/00
- B01J2229/10—After treatment, characterised by the effect to be obtained
- B01J2229/26—After treatment, characterised by the effect to be obtained to stabilize the total catalyst structure
-
- 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
- B01J2229/00—Aspects of molecular sieve catalysts not covered by B01J29/00
- B01J2229/30—After treatment, characterised by the means used
- B01J2229/42—Addition of matrix or binder particles
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/52—Improvements relating to the production of bulk chemicals using catalysts, e.g. selective catalysts
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Catalysts (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US00397038A US3856871A (en) | 1973-09-13 | 1973-09-13 | Xylene isomerization |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IT1021337B true IT1021337B (it) | 1978-01-30 |
Family
ID=23569629
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT27243/74A IT1021337B (it) | 1973-09-13 | 1974-09-12 | Procedimento migliorato per l iso merizzazione di frazioni aromati che c 8 |
Country Status (18)
| Country | Link |
|---|---|
| US (1) | US3856871A (pl) |
| JP (1) | JPS5341657B2 (pl) |
| AR (1) | AR224491A1 (pl) |
| BE (1) | BE819848A (pl) |
| CA (1) | CA1026384A (pl) |
| CS (1) | CS189668B2 (pl) |
| DD (1) | DD113741B3 (pl) |
| DE (1) | DE2441516C3 (pl) |
| ES (1) | ES428167A1 (pl) |
| FR (1) | FR2243919B1 (pl) |
| GB (1) | GB1444702A (pl) |
| IN (1) | IN142292B (pl) |
| IT (1) | IT1021337B (pl) |
| NL (1) | NL173846C (pl) |
| PL (1) | PL94144B1 (pl) |
| RO (1) | RO71348A (pl) |
| SU (1) | SU890971A3 (pl) |
| ZA (1) | ZA743917B (pl) |
Families Citing this family (34)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4101596A (en) * | 1977-01-10 | 1978-07-18 | Mobil Oil Company | Low pressure xylene isomerization |
| US4101595A (en) * | 1977-05-02 | 1978-07-18 | Mobil Oil Corporation | Conversion of ethyl benzene to para xylene |
| 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 |
| US4245130A (en) * | 1978-06-02 | 1981-01-13 | The British Petroleum Company Limited | Isomerization of alkyl aromatics using a gallium containing aluminosilicate catalyst |
| 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 |
| 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 |
| US4283584A (en) * | 1980-04-14 | 1981-08-11 | Mobil Oil Corporation | Manufacture of aromatic compounds |
| US4409413A (en) * | 1980-06-23 | 1983-10-11 | Toray Industries, Incorporated | Conversion of xylenes containing ethyl benzene |
| ATE14869T1 (de) | 1980-12-12 | 1985-08-15 | Exxon Research Engineering Co | Xylol-isomerisierung. |
| US4427577A (en) * | 1980-12-12 | 1984-01-24 | 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 |
| EP0065364B1 (en) * | 1981-05-20 | 1984-12-27 | Imperial Chemical Industries Plc | Process for the isomerization of alkylbenzenes |
| JPS63196528A (ja) * | 1985-09-13 | 1988-08-15 | ユ−オ−ピ− インコ−ポレイテツド | 異性化／トランスアルキル化兼用帯域を用いたキシレンの製造法 |
| US5043512A (en) * | 1988-10-06 | 1991-08-27 | Mobil Oil Corp. | Alkylaromatic isomerization process |
| US6518472B1 (en) | 1996-08-05 | 2003-02-11 | Bp Corporation North America Inc. | Stabilized dual bed xylene isomerization catalyst system |
| US5763714A (en) * | 1997-01-08 | 1998-06-09 | Catalytic Distillation Technologies | Process and apparatus for the production and recovery of p-xylene |
| US5866736A (en) * | 1997-10-14 | 1999-02-02 | Catalytic Distillation Technologies | Process for the production of alkyl benzene |
| TWI263630B (en) * | 2003-07-08 | 2006-10-11 | Toray Industries | Conversion catalyst for ethylbenzene containing xylenes and process for converting ethylbenzene containing xylenes by using catalyst |
| US6872866B1 (en) * | 2003-12-15 | 2005-03-29 | Uop Llc | Liquid phase process for C8 alkylaromatic isomerization |
| JP4939947B2 (ja) * | 2003-12-30 | 2012-05-30 | ユーオーピー エルエルシー | Ｃ８アルキル芳香族化合物異性化のための方法及び触媒 |
| US20050143615A1 (en) * | 2003-12-30 | 2005-06-30 | Bogdan Paula L. | Process and bimetallic catalyst for C8 alkylaromatic isomerization |
| US20050143614A1 (en) * | 2003-12-30 | 2005-06-30 | Leon-Escamilla E. A. | Process and catalyst for C8 alkylaromatic isomerization |
| KR101426636B1 (ko) | 2010-04-21 | 2014-08-05 | 엑손모빌 케미칼 패턴츠 인코포레이티드 | 크실렌 이성질화 방법 및 이를 위한 촉매 |
| US8569559B2 (en) * | 2010-06-25 | 2013-10-29 | Exxonmobil Chemical Patents Inc. | Paraxylene production process and apparatus |
| CN104334733B (zh) | 2012-04-20 | 2018-02-02 | 可口可乐公司 | 用于从生物质制备对二甲苯的方法 |
| CN113351241B (zh) | 2015-08-18 | 2023-12-19 | 英力士美国化学公司 | 用于二甲苯异构化的脱硅zsm-5催化剂 |
| 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 |
| EP3806971B1 (en) | 2018-07-20 | 2023-12-06 | SCG Chemicals Co., Ltd. | Process for the separation of ethylbenzene from other c8 aromatic compounds |
| TWI736941B (zh) | 2018-07-20 | 2021-08-21 | 泰商Ｓｃｇ化學股份有限公司 | 用於製造對-二甲苯之整合方法 |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2795630A (en) * | 1954-08-26 | 1957-06-11 | Standard Oil Co | Preparation of trialkylbenzenes |
| US3281483A (en) * | 1963-08-15 | 1966-10-25 | Shell Oil Co | Disproportionation of alkyl aromatic hydrocarbons in the presence of hydrogen mordenite |
| 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 US00397038A patent/US3856871A/en not_active Expired - Lifetime
-
1974
- 1974-05-23 CA CA200,640A patent/CA1026384A/en not_active Expired
- 1974-06-10 IN IN1261/CAL/74A patent/IN142292B/en unknown
- 1974-06-18 ZA ZA00743917A patent/ZA743917B/xx unknown
- 1974-06-19 FR FR7421256A patent/FR2243919B1/fr not_active Expired
- 1974-06-20 JP JP6972974A patent/JPS5341657B2/ja not_active Expired
- 1974-07-11 ES ES428167A patent/ES428167A1/es not_active Expired
- 1974-07-17 GB GB3166374A patent/GB1444702A/en not_active Expired
- 1974-07-24 SU SU742049507A patent/SU890971A3/ru active
- 1974-08-13 RO RO7479759A patent/RO71348A/ro unknown
- 1974-08-30 DE DE2441516A patent/DE2441516C3/de not_active Expired
- 1974-09-11 NL NLAANVRAGE7412093,A patent/NL173846C/xx not_active IP Right Cessation
- 1974-09-12 IT IT27243/74A patent/IT1021337B/it active
- 1974-09-12 BE BE148467A patent/BE819848A/xx not_active IP Right Cessation
- 1974-09-12 DD DD74181056A patent/DD113741B3/de unknown
- 1974-09-12 CS CS746283A patent/CS189668B2/cs unknown
- 1974-09-13 PL PL1974174095A patent/PL94144B1/pl unknown
- 1974-09-13 AR AR255604A patent/AR224491A1/es active
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5341657B2 (pl) | 1978-11-06 |
| SU890971A3 (ru) | 1981-12-15 |
| RO71348A (ro) | 1982-02-01 |
| FR2243919A1 (pl) | 1975-04-11 |
| DD113741B3 (de) | 1986-06-11 |
| NL173846C (nl) | 1984-03-16 |
| CA1026384A (en) | 1978-02-14 |
| US3856871A (en) | 1974-12-24 |
| DE2441516A1 (de) | 1975-03-20 |
| JPS5053335A (pl) | 1975-05-12 |
| DE2441516C3 (de) | 1979-12-13 |
| BE819848A (fr) | 1975-03-12 |
| FR2243919B1 (pl) | 1979-08-03 |
| DD113741A5 (de) | 1975-06-20 |
| NL173846B (nl) | 1983-10-17 |
| GB1444702A (en) | 1976-08-04 |
| CS189668B2 (en) | 1979-04-30 |
| ZA743917B (en) | 1976-01-28 |
| NL7412093A (nl) | 1975-03-17 |
| ES428167A1 (es) | 1976-07-16 |
| PL94144B1 (pl) | 1977-07-30 |
| IN142292B (pl) | 1977-06-18 |
| AR224491A1 (es) | 1981-12-15 |
| DE2441516B2 (de) | 1979-04-26 |
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