FR2395974A1 - Procede de separation d'hydrocarbures aromatiques par distillation extractive - Google Patents
Procede de separation d'hydrocarbures aromatiques par distillation extractiveInfo
- Publication number
- FR2395974A1 FR2395974A1 FR7720242A FR7720242A FR2395974A1 FR 2395974 A1 FR2395974 A1 FR 2395974A1 FR 7720242 A FR7720242 A FR 7720242A FR 7720242 A FR7720242 A FR 7720242A FR 2395974 A1 FR2395974 A1 FR 2395974A1
- Authority
- FR
- France
- Prior art keywords
- solvent
- distn
- zone
- mixts
- benzene
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C7/00—Purification; Separation; Use of additives
- C07C7/04—Purification; Separation; Use of additives by distillation
- C07C7/05—Purification; Separation; Use of additives by distillation with the aid of auxiliary compounds
- C07C7/08—Purification; Separation; Use of additives by distillation with the aid of auxiliary compounds by extractive distillation
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Water Supply & Treatment (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
L'invention concerne un procédé de séparation d'hydrocarbures aromatiques, spécialement de benzène et/ou de toluène, de leurs mélanges avec des hydrocarbures saturés, par distillation extractive comportant une injection d'eau en un point de la zone de fractionnement situé au-dessus du point d'introduction de solvant Le procédé est caractérisé en ce que l'on contrôle l'admission d'eau en réponse aux indications d'un dispositif de mesure de température situé entre le niveau d'introduction de solvant et le niveau d'introduction de l'eau. L'invention est applicable à tout procédé de distillation extractive utilisant un solvant ne formant pas d'azéotrope avec l'eau.
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7720242A FR2395974A1 (fr) | 1977-06-28 | 1977-06-28 | Procede de separation d'hydrocarbures aromatiques par distillation extractive |
DD78203994A DD133937A1 (de) | 1977-03-08 | 1978-03-06 | Verfahren zur reinigung von benzol und toluol durch azeotrope extraktivdestillation |
NL7802444A NL7802444A (nl) | 1977-03-08 | 1978-03-06 | Werkwijze voor de zuivering van benzeen en tolu- een door extractieve azeotrope -destillatie. |
IT20931/78A IT1094190B (it) | 1977-03-08 | 1978-03-07 | Procedimento di purificazione di benzene e di toluene per distillazione azeotropico-estrattiva |
JP2714178A JPS53112820A (en) | 1977-03-08 | 1978-03-08 | Purifying method of benzene and toluene with extracting distillation |
DE19782809985 DE2809985A1 (de) | 1977-03-08 | 1978-03-08 | Verfahren zur reinigung von benzol und toluol durch azeotrop-extraktive destillation |
CA000298511A CA1118706A (fr) | 1977-03-08 | 1978-03-08 | Procede de purification de benzene et de toluene par distillation azetropique extractive |
GB9193/78A GB1556003A (en) | 1977-03-08 | 1978-03-08 | Separating benzene and or toluene from mixtures containing saturated hydrocarbons |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7720242A FR2395974A1 (fr) | 1977-06-28 | 1977-06-28 | Procede de separation d'hydrocarbures aromatiques par distillation extractive |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2395974A1 true FR2395974A1 (fr) | 1979-01-26 |
FR2395974B1 FR2395974B1 (fr) | 1980-01-18 |
Family
ID=9192833
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7720242A Granted FR2395974A1 (fr) | 1977-03-08 | 1977-06-28 | Procede de separation d'hydrocarbures aromatiques par distillation extractive |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2395974A1 (fr) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5807530A (en) * | 1994-05-20 | 1998-09-15 | Conamara Technologies Inc. | Process for burning of sulfur |
US7674449B2 (en) | 2005-06-02 | 2010-03-09 | Mecs, Inc. | Process and apparatus for the combustion of a sulfur-containing liquid |
-
1977
- 1977-06-28 FR FR7720242A patent/FR2395974A1/fr active Granted
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5807530A (en) * | 1994-05-20 | 1998-09-15 | Conamara Technologies Inc. | Process for burning of sulfur |
US7674449B2 (en) | 2005-06-02 | 2010-03-09 | Mecs, Inc. | Process and apparatus for the combustion of a sulfur-containing liquid |
Also Published As
Publication number | Publication date |
---|---|
FR2395974B1 (fr) | 1980-01-18 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |