IT1094190B - Procedimento di purificazione di benzene e di toluene per distillazione azeotropico-estrattiva - Google Patents
Procedimento di purificazione di benzene e di toluene per distillazione azeotropico-estrattivaInfo
- Publication number
- IT1094190B IT1094190B IT20931/78A IT2093178A IT1094190B IT 1094190 B IT1094190 B IT 1094190B IT 20931/78 A IT20931/78 A IT 20931/78A IT 2093178 A IT2093178 A IT 2093178A IT 1094190 B IT1094190 B IT 1094190B
- Authority
- IT
- Italy
- Prior art keywords
- azeotropic
- benzene
- purification process
- extractive distillation
- toluene purification
- 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 (2)
| 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 |
| FR7720242A FR2395974A1 (fr) | 1977-06-28 | 1977-06-28 | Procede de separation d'hydrocarbures aromatiques par distillation extractive |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| IT7820931A0 IT7820931A0 (it) | 1978-03-07 |
| IT1094190B true IT1094190B (it) | 1985-07-26 |
Family
ID=26219898
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT20931/78A IT1094190B (it) | 1977-03-08 | 1978-03-07 | Procedimento di purificazione di benzene e di toluene per distillazione azeotropico-estrattiva |
Country Status (7)
| Country | Link |
|---|---|
| JP (1) | JPS53112820A (cs) |
| CA (1) | CA1118706A (cs) |
| DD (1) | DD133937A1 (cs) |
| DE (1) | DE2809985A1 (cs) |
| GB (1) | GB1556003A (cs) |
| IT (1) | IT1094190B (cs) |
| NL (1) | NL7802444A (cs) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2289475B (en) * | 1994-05-20 | 1998-05-27 | Exxon Research Engineering Co | Separation of aromatics from mixtures of hydrocarbons |
| DE10238370A1 (de) * | 2002-08-22 | 2004-03-04 | Oxeno Olefinchemie Gmbh | Verfahren zur Herstellung von Isobuten aus technischen Methyl-tert.-butylether |
| RU2291849C1 (ru) * | 2005-11-03 | 2007-01-20 | Открытое акционерное общество "Нижнекамскнефтехим" | Способ выделения бензола |
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 (cs) * | 1972-03-20 | 1975-03-21 | Inst Francais Du Petrole |
-
1978
- 1978-03-06 NL NL7802444A patent/NL7802444A/xx not_active Application Discontinuation
- 1978-03-06 DD DD78203994A patent/DD133937A1/xx unknown
- 1978-03-07 IT IT20931/78A patent/IT1094190B/it active
- 1978-03-08 GB GB9193/78A patent/GB1556003A/en not_active Expired
- 1978-03-08 JP JP2714178A patent/JPS53112820A/ja active Granted
- 1978-03-08 DE DE19782809985 patent/DE2809985A1/de not_active Ceased
- 1978-03-08 CA CA000298511A patent/CA1118706A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| IT7820931A0 (it) | 1978-03-07 |
| JPS53112820A (en) | 1978-10-02 |
| JPS627174B2 (cs) | 1987-02-16 |
| DE2809985A1 (de) | 1978-09-14 |
| CA1118706A (fr) | 1982-02-23 |
| DD133937A1 (de) | 1979-01-31 |
| GB1556003A (en) | 1979-11-14 |
| NL7802444A (nl) | 1978-09-12 |
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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: 19970326 |