JPS53112820A - Purifying method of benzene and toluene with extracting distillation - Google Patents
Purifying method of benzene and toluene with extracting distillationInfo
- Publication number
- JPS53112820A JPS53112820A JP2714178A JP2714178A JPS53112820A JP S53112820 A JPS53112820 A JP S53112820A JP 2714178 A JP2714178 A JP 2714178A JP 2714178 A JP2714178 A JP 2714178A JP S53112820 A JPS53112820 A JP S53112820A
- Authority
- JP
- Japan
- Prior art keywords
- benzene
- toluene
- purifying method
- extracting distillation
- distillation
- 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)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7707242A FR2383148A2 (en) | 1977-03-08 | 1977-03-08 | BENZENE AND TOLUENE PURIFICATION PROCESS BY AZEOTROPIC-EXTRACTIVE DISTILLATION |
FR7720242A FR2395974A1 (en) | 1977-06-28 | 1977-06-28 | Benzene or toluene separation from mixts. - by azeotropic-extractive distillation using DMF as solvent giving reduced solvent loss |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS53112820A true JPS53112820A (en) | 1978-10-02 |
JPS627174B2 JPS627174B2 (en) | 1987-02-16 |
Family
ID=26219898
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2714178A Granted JPS53112820A (en) | 1977-03-08 | 1978-03-08 | Purifying method of benzene and toluene with extracting distillation |
Country Status (7)
Country | Link |
---|---|
JP (1) | JPS53112820A (en) |
CA (1) | CA1118706A (en) |
DD (1) | DD133937A1 (en) |
DE (1) | DE2809985A1 (en) |
GB (1) | GB1556003A (en) |
IT (1) | IT1094190B (en) |
NL (1) | NL7802444A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005536542A (en) * | 2002-08-22 | 2005-12-02 | オクセノ オレフィンヒェミー ゲゼルシャフト ミット ベシュレンクテル ハフツング | Process for producing isobutene from industrial methyl t-butyl ether |
Families Citing this family (1)
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 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS495925A (en) * | 1972-03-20 | 1974-01-19 |
Family Cites Families (3)
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 |
-
1978
- 1978-03-06 NL NL7802444A patent/NL7802444A/en not_active Application Discontinuation
- 1978-03-06 DD DD78203994A patent/DD133937A1/en unknown
- 1978-03-07 IT IT20931/78A patent/IT1094190B/en active
- 1978-03-08 GB GB9193/78A patent/GB1556003A/en not_active Expired
- 1978-03-08 JP JP2714178A patent/JPS53112820A/en active Granted
- 1978-03-08 CA CA000298511A patent/CA1118706A/en not_active Expired
- 1978-03-08 DE DE19782809985 patent/DE2809985A1/en not_active Ceased
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS495925A (en) * | 1972-03-20 | 1974-01-19 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005536542A (en) * | 2002-08-22 | 2005-12-02 | オクセノ オレフィンヒェミー ゲゼルシャフト ミット ベシュレンクテル ハフツング | Process for producing isobutene from industrial methyl t-butyl ether |
Also Published As
Publication number | Publication date |
---|---|
GB1556003A (en) | 1979-11-14 |
DE2809985A1 (en) | 1978-09-14 |
CA1118706A (en) | 1982-02-23 |
DD133937A1 (en) | 1979-01-31 |
IT7820931A0 (en) | 1978-03-07 |
JPS627174B2 (en) | 1987-02-16 |
IT1094190B (en) | 1985-07-26 |
NL7802444A (en) | 1978-09-12 |
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