IT1092961B - Procedimento di isomerizzazione dello xilene a bassa pressione - Google Patents
Procedimento di isomerizzazione dello xilene a bassa pressioneInfo
- Publication number
- IT1092961B IT1092961B IT19086/78A IT1908678A IT1092961B IT 1092961 B IT1092961 B IT 1092961B IT 19086/78 A IT19086/78 A IT 19086/78A IT 1908678 A IT1908678 A IT 1908678A IT 1092961 B IT1092961 B IT 1092961B
- Authority
- IT
- Italy
- Prior art keywords
- low pressure
- xylene isomerization
- pressure xylene
- isomerization procedure
- procedure
- Prior art date
Links
Classifications
-
- 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
-
- 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
-
- 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
- Y10S208/00—Mineral oils: processes and products
- Y10S208/02—Molecular sieve
-
- 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
- Y10S585/949—Miscellaneous considerations
- Y10S585/954—Exploiting mass-action phenomenon
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Catalysts (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/758,214 US4101596A (en) | 1977-01-10 | 1977-01-10 | Low pressure xylene isomerization |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| IT7819086A0 IT7819086A0 (it) | 1978-01-06 |
| IT1092961B true IT1092961B (it) | 1985-07-12 |
Family
ID=25050950
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT19086/78A IT1092961B (it) | 1977-01-10 | 1978-01-06 | Procedimento di isomerizzazione dello xilene a bassa pressione |
Country Status (26)
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| USRE31782E (en) * | 1978-06-09 | 1984-12-25 | Mobil Oil Corporation | Xylene isomerization |
| US4181811A (en) * | 1978-12-14 | 1980-01-01 | Mobil Oil Corporation | Selective reaction of 1,4-disubstituted aromatic compounds |
| US4783568A (en) * | 1985-09-13 | 1988-11-08 | Uop Inc. | Xylene producing process having staged catalytic conversion of ethylbenzene |
| US4642406A (en) * | 1985-09-13 | 1987-02-10 | Uop Inc. | High severity process for xylene production employing a transalkylation zone for xylene isomerization |
| US4697039A (en) * | 1985-09-13 | 1987-09-29 | Uop Inc. | Xylene producing process having staged catalytic conversion of ethylbenzene |
| US5043512A (en) * | 1988-10-06 | 1991-08-27 | Mobil Oil Corp. | Alkylaromatic isomerization process |
| US6180726B1 (en) | 1998-03-10 | 2001-01-30 | H. B. Fuller Licensing & Financing Inc. | High temperature resistant coating composition and method of using thereof |
| WO2005122242A1 (ja) * | 2004-06-07 | 2005-12-22 | Nikon Corporation | ステージ装置、露光装置及び露光方法 |
| CN102006933A (zh) * | 2008-04-04 | 2011-04-06 | 彼得·瓦西列夫 | 沸石催化剂沸石二级结构 |
| US8865958B2 (en) * | 2008-09-30 | 2014-10-21 | Fina Technology, Inc. | Process for ethylbenzene production |
| US8455383B2 (en) * | 2009-09-28 | 2013-06-04 | Fina Technology, Inc. | Process for catalyst regeneration and extended use |
| EP3233770B1 (en) * | 2014-12-17 | 2020-07-15 | King Abdullah University Of Science And Technology | Xylene isomerization |
| 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 |
| WO2020018871A1 (en) | 2018-07-20 | 2020-01-23 | Scg Chemicals Co., Ltd. | Process for the separation of ethylbenzene from other c8 aromatic compounds |
| US20220289645A1 (en) * | 2019-08-23 | 2022-09-15 | Exxonmobil Chemical Patents Inc. | Processes for Isomerizing C8 Aromatic Hydrocarbons Using Serial Reactors |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3377400A (en) * | 1967-03-27 | 1968-04-09 | Mobil Oil Corp | Isomerization and disproportionation of alkyl aromatics |
| FR1554087A (US06566495-20030520-M00011.png) * | 1968-01-19 | 1969-01-17 | ||
| US3923639A (en) * | 1968-04-18 | 1975-12-02 | Mobil Oil Corp | Converting hydrocarbons with zeolite ZSM-4 |
| US3578723A (en) * | 1968-04-18 | 1971-05-11 | Mobil Oil Corp | Isomerization and disproportionation of aromatic hydrocarbons |
| US3790471A (en) * | 1969-10-10 | 1974-02-05 | Mobil Oil Corp | Conversion with zsm-5 family of crystalline aluminosilicate zeolites |
| US3832449A (en) * | 1971-03-18 | 1974-08-27 | Mobil Oil Corp | Crystalline zeolite zsm{14 12 |
| US3856871A (en) * | 1973-09-13 | 1974-12-24 | Mobil Oil Corp | Xylene isomerization |
| US3856874A (en) * | 1973-09-13 | 1974-12-24 | Mobil Oil Corp | Xylene isomerization |
| US3856873A (en) * | 1973-09-13 | 1974-12-24 | Mobil Oil Corp | Xylene isomerization |
| US3856872A (en) * | 1973-09-13 | 1974-12-24 | Mobil Oil Corp | Xylene isomerization |
| JPS5341658B2 (US06566495-20030520-M00011.png) * | 1973-09-13 | 1978-11-06 | ||
| US3948758A (en) * | 1974-06-17 | 1976-04-06 | Mobil Oil Corporation | Production of alkyl aromatic hydrocarbons |
| US4007231A (en) * | 1975-11-24 | 1977-02-08 | Mobil Oil Corporation | Selective production of para-xylene |
| US4100214A (en) * | 1976-05-07 | 1978-07-11 | Mobil Oil Corporation | Isomerization of monocyclic alkyl aromatic hydrocarbons |
-
1977
- 1977-01-10 US US05/758,214 patent/US4101596A/en not_active Expired - Lifetime
- 1977-11-24 CA CA291,636A patent/CA1105493A/en not_active Expired
- 1977-12-02 DE DE19772753867 patent/DE2753867A1/de active Granted
- 1977-12-05 GB GB50502/77A patent/GB1554691A/en not_active Expired
- 1977-12-06 AT AT874277A patent/AT357513B/de not_active IP Right Cessation
- 1977-12-13 AU AU31511/77A patent/AU517626B2/en not_active Expired
- 1977-12-15 FR FR7737820A patent/FR2376835A1/fr active Granted
- 1977-12-16 BE BE183548A patent/BE861959A/xx not_active IP Right Cessation
- 1977-12-22 NZ NZ186074A patent/NZ186074A/xx unknown
- 1977-12-28 RO RO7792700A patent/RO75520A/ro unknown
- 1977-12-28 IN IN1778/CAL/77A patent/IN146400B/en unknown
- 1977-12-29 NO NO774509A patent/NO146056C/no unknown
- 1977-12-30 ES ES465603A patent/ES465603A1/es not_active Expired
-
1978
- 1978-01-04 BR BR7800035A patent/BR7800035A/pt unknown
- 1978-01-04 AR AR270635A patent/AR219095A1/es active
- 1978-01-06 IT IT19086/78A patent/IT1092961B/it active
- 1978-01-09 SU SU782562007A patent/SU893125A3/ru active
- 1978-01-09 MX MX786762U patent/MX5202E/es unknown
- 1978-01-09 PL PL1978203904A patent/PL122594B3/pl unknown
- 1978-01-09 DD DD7800203147A patent/DD133789A5/xx unknown
- 1978-01-09 HU HU78MO1003A patent/HU184656B/hu unknown
- 1978-01-09 CS CS17378A patent/CS207496B1/cs unknown
- 1978-01-09 JP JP53000601A patent/JPS6024769B2/ja not_active Expired
- 1978-01-09 CH CH19078A patent/CH633504A5/de not_active IP Right Cessation
- 1978-01-09 PT PT67507A patent/PT67507B/pt unknown
- 1978-01-10 NL NL7800289A patent/NL7800289A/xx not_active Application Discontinuation
Also Published As
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19960123 |