BE864467A - Procede de purification de benzene et de toluene par distillation azotropique-extractive - Google Patents
Procede de purification de benzene et de toluene par distillation azotropique-extractiveInfo
- Publication number
- BE864467A BE864467A BE1008735A BE1008735A BE864467A BE 864467 A BE864467 A BE 864467A BE 1008735 A BE1008735 A BE 1008735A BE 1008735 A BE1008735 A BE 1008735A BE 864467 A BE864467 A BE 864467A
- Authority
- BE
- Belgium
- Prior art keywords
- azotropic
- toluene
- extractive distillation
- purifying benzene
- purifying
- Prior art date
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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7707242A FR2383148A2 (fr) | 1977-03-08 | 1977-03-08 | Procede de purification de benzene et de toluene par distillation azeotropique-extractive |
Publications (1)
Publication Number | Publication Date |
---|---|
BE864467A true BE864467A (fr) | 1978-09-04 |
Family
ID=9187945
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE1008735A BE864467A (fr) | 1977-03-08 | 1978-03-02 | Procede de purification de benzene et de toluene par distillation azotropique-extractive |
Country Status (3)
Country | Link |
---|---|
US (1) | US4168209A (fr) |
BE (1) | BE864467A (fr) |
FR (1) | FR2383148A2 (fr) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4336110A (en) * | 1981-02-05 | 1982-06-22 | E. I. Du Pont De Nemours And Company | Separation of benzene from cyclohexane |
US4358346A (en) * | 1981-05-06 | 1982-11-09 | The Foxboro Company | Control of alcohol distillation |
DE4109632A1 (de) * | 1991-03-23 | 1992-09-24 | Krupp Koppers Gmbh | Verfahren zur abtrennung von aromaten durch extraktivdestillation |
US6033529A (en) * | 1999-08-06 | 2000-03-07 | Berg; Lloyd | Separation of mesitylene from 4-ethyl toluene by azeotropic distillation |
DE10038318C1 (de) * | 2000-08-05 | 2001-09-06 | Krupp Uhde Gmbh | Verfahren und Vorrichtung zur Erzeugung von Reinstaromaten |
DE10038320C1 (de) * | 2000-08-05 | 2001-08-23 | Krupp Uhde Gmbh | Verfahren und Vorrichtung zur Entfernung von sauren und/oder basischen Bestandteilen aus Kohlenwasserstoffen |
FR2875508B1 (fr) * | 2004-09-22 | 2006-11-03 | Inst Francais Du Petrole | Procede ameliore d'isomerisation d'une coupe c7 avec coproduction d'une coupe riche en molecules aromatiques |
US8608912B2 (en) * | 2010-09-29 | 2013-12-17 | Uop Llc | Methods and extraction units employing vapor draw compositional analysis |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2022809A (en) * | 1931-08-18 | 1935-12-03 | Method fob fractionation control | |
US2684326A (en) * | 1949-05-11 | 1954-07-20 | Universal Oil Prod Co | Fractionation control |
US2742411A (en) * | 1951-09-13 | 1956-04-17 | Exxon Research Engineering Co | Recovery of furfural in extractive distillation purification of cyclic hydrocarbons |
FR2176488B1 (fr) * | 1972-03-20 | 1975-03-21 | Inst Francais Du Petrole |
-
1977
- 1977-03-08 FR FR7707242A patent/FR2383148A2/fr active Granted
-
1978
- 1978-03-02 BE BE1008735A patent/BE864467A/fr not_active IP Right Cessation
- 1978-03-08 US US05/884,512 patent/US4168209A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US4168209A (en) | 1979-09-18 |
FR2383148B2 (fr) | 1980-01-11 |
FR2383148A2 (fr) | 1978-10-06 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RE20 | Patent expired |
Owner name: INSTITUT FRANCAIS DU PETROLE Effective date: 19980302 |