BE905702A - Procede de separation des dichlorotoluenes isomeres par adsorption sur zeolithes. - Google Patents
Procede de separation des dichlorotoluenes isomeres par adsorption sur zeolithes.Info
- Publication number
- BE905702A BE905702A BE0/217370A BE217370A BE905702A BE 905702 A BE905702 A BE 905702A BE 0/217370 A BE0/217370 A BE 0/217370A BE 217370 A BE217370 A BE 217370A BE 905702 A BE905702 A BE 905702A
- Authority
- BE
- Belgium
- Prior art keywords
- adsorption
- dichlorotoluenes
- isomerated
- zeoliths
- separating
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C17/00—Preparation of halogenated hydrocarbons
- C07C17/38—Separation; Purification; Stabilisation; Use of additives
- C07C17/389—Separation; Purification; Stabilisation; Use of additives by adsorption on solids
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Treatment Of Liquids With Adsorbents In General (AREA)
- Silicates, Zeolites, And Molecular Sieves (AREA)
- Catalysts (AREA)
Abstract
Procédé de séparation des dichlorotoluènes isomères. Ce procédé est effectué par adsorption sur des zéolithes du type mordénite. En pratique, la mise en contact du mélange de dichloroluènes isomères la mordérite s'effectue en phase liquide ou gazeuse, à une température comprise entre 25 et 350 degrés C et sous une pression comprise entre environ 1 bar et environ 30 bars. Il permet une séparation très efficace des isomères.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8516446A FR2589465B1 (fr) | 1985-11-06 | 1985-11-06 | Procede de separation des dichlorotoluenes isomeres par adsorption sur zeolithes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE905702A true BE905702A (fr) | 1987-05-05 |
Family
ID=9324565
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE0/217370A BE905702A (fr) | 1985-11-06 | 1986-11-05 | Procede de separation des dichlorotoluenes isomeres par adsorption sur zeolithes. |
Country Status (19)
| Country | Link |
|---|---|
| US (1) | US4766262A (fr) |
| JP (1) | JPS62110707A (fr) |
| AT (1) | AT396360B (fr) |
| AU (1) | AU599057B2 (fr) |
| BE (1) | BE905702A (fr) |
| BR (1) | BR8605473A (fr) |
| CA (1) | CA1260961A (fr) |
| CH (1) | CH670820A5 (fr) |
| DD (1) | DD255158A5 (fr) |
| DE (1) | DE3637727A1 (fr) |
| ES (1) | ES2002901A6 (fr) |
| FR (1) | FR2589465B1 (fr) |
| GB (1) | GB2182660B (fr) |
| HU (1) | HU203306B (fr) |
| IT (1) | IT1197505B (fr) |
| NL (1) | NL8602638A (fr) |
| PL (1) | PL262213A1 (fr) |
| SE (1) | SE465674B (fr) |
| ZA (1) | ZA868432B (fr) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2016081B (en) * | 1978-03-08 | 1982-07-14 | Yamaha Motor Co Ltd | Engine induction system |
| FR2572395B1 (fr) * | 1984-10-26 | 1986-12-19 | Atochem | Procede de separation des dichlorotoluenes isomeres par adsorption sur zeolithes |
| US4922040A (en) * | 1988-12-28 | 1990-05-01 | Uop | Process for extracting 2,5-dichlorotoluene from isomer mixtures with sodium-L zeolite adsorbents |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2958708A (en) * | 1959-03-23 | 1960-11-01 | Union Oil Co | Separation of isomeric halogenated aromatic compounds |
| NL159635B (nl) * | 1967-09-29 | 1979-03-15 | Shell Int Research | Werkwijze voor het bereiden van mordeniet. |
| US3758667A (en) * | 1970-10-30 | 1973-09-11 | H Kouwenhoven | Process for the preparation of mordenite |
| DE2804203C3 (de) * | 1978-02-01 | 1980-09-25 | Bayer Ag, 5090 Leverkusen | Verfahren zur Trennung von isomeren Dichlortoluolen |
| US4453029A (en) * | 1979-12-19 | 1984-06-05 | Mobil Oil Corporation | Selective sorption by zeolites |
| FR2572395B1 (fr) * | 1984-10-26 | 1986-12-19 | Atochem | Procede de separation des dichlorotoluenes isomeres par adsorption sur zeolithes |
-
1985
- 1985-11-06 FR FR8516446A patent/FR2589465B1/fr not_active Expired
-
1986
- 1986-10-10 IT IT21979/86A patent/IT1197505B/it active
- 1986-10-21 NL NL8602638A patent/NL8602638A/nl not_active Application Discontinuation
- 1986-10-30 CH CH4298/86A patent/CH670820A5/fr not_active IP Right Cessation
- 1986-11-03 AT AT0292586A patent/AT396360B/de not_active IP Right Cessation
- 1986-11-03 US US06/926,461 patent/US4766262A/en not_active Expired - Fee Related
- 1986-11-04 PL PL1986262213A patent/PL262213A1/xx unknown
- 1986-11-05 HU HU864615A patent/HU203306B/hu unknown
- 1986-11-05 CA CA000522254A patent/CA1260961A/fr not_active Expired
- 1986-11-05 BE BE0/217370A patent/BE905702A/fr not_active IP Right Cessation
- 1986-11-05 AU AU64831/86A patent/AU599057B2/en not_active Ceased
- 1986-11-05 DD DD86295945A patent/DD255158A5/de not_active IP Right Cessation
- 1986-11-05 GB GB8626461A patent/GB2182660B/en not_active Expired
- 1986-11-05 DE DE19863637727 patent/DE3637727A1/de active Granted
- 1986-11-05 ZA ZA868432A patent/ZA868432B/xx unknown
- 1986-11-05 BR BR8605473A patent/BR8605473A/pt unknown
- 1986-11-05 SE SE8604735A patent/SE465674B/sv not_active IP Right Cessation
- 1986-11-06 ES ES8602937A patent/ES2002901A6/es not_active Expired
- 1986-11-06 JP JP61264856A patent/JPS62110707A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| SE465674B (sv) | 1991-10-14 |
| FR2589465A1 (fr) | 1987-05-07 |
| AU599057B2 (en) | 1990-07-12 |
| JPS62110707A (ja) | 1987-05-21 |
| HUT41695A (en) | 1987-05-28 |
| GB2182660A (en) | 1987-05-20 |
| JPH0579653B2 (fr) | 1993-11-04 |
| ATA292586A (de) | 1992-12-15 |
| CH670820A5 (fr) | 1989-07-14 |
| NL8602638A (nl) | 1987-06-01 |
| ES2002901A6 (es) | 1988-10-01 |
| AU6483186A (en) | 1987-05-14 |
| AT396360B (de) | 1993-08-25 |
| SE8604735D0 (sv) | 1986-11-05 |
| ZA868432B (en) | 1987-06-24 |
| US4766262A (en) | 1988-08-23 |
| SE8604735L (sv) | 1987-05-07 |
| FR2589465B1 (fr) | 1987-12-11 |
| IT1197505B (it) | 1988-11-30 |
| DE3637727C2 (fr) | 1989-07-20 |
| CA1260961A (fr) | 1989-09-26 |
| GB2182660B (en) | 1989-11-22 |
| DE3637727A1 (de) | 1987-05-07 |
| HU203306B (en) | 1991-07-29 |
| GB8626461D0 (en) | 1986-12-03 |
| IT8621979A0 (it) | 1986-10-10 |
| PL262213A1 (en) | 1987-12-28 |
| BR8605473A (pt) | 1987-08-11 |
| DD255158A5 (de) | 1988-03-23 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RE | Patent lapsed |
Owner name: ATOCHEM Effective date: 19951130 |