DE2758391A1 - Verfahren zur verarbeitung eines benzylbenzoathaltigen teeres - Google Patents
Verfahren zur verarbeitung eines benzylbenzoathaltigen teeresInfo
- Publication number
- DE2758391A1 DE2758391A1 DE19772758391 DE2758391A DE2758391A1 DE 2758391 A1 DE2758391 A1 DE 2758391A1 DE 19772758391 DE19772758391 DE 19772758391 DE 2758391 A DE2758391 A DE 2758391A DE 2758391 A1 DE2758391 A1 DE 2758391A1
- Authority
- DE
- Germany
- Prior art keywords
- tar
- hydrolysis
- benzoate
- benzyl
- reaction
- 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
- C07C29/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring
- C07C29/74—Separation; Purification; Use of additives, e.g. for stabilisation
- C07C29/76—Separation; Purification; Use of additives, e.g. for stabilisation by physical treatment
- C07C29/86—Separation; Purification; Use of additives, e.g. for stabilisation by physical treatment by liquid-liquid treatment
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C29/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring
- C07C29/09—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by hydrolysis
- C07C29/095—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by hydrolysis of esters of organic acids
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C29/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring
- C07C29/74—Separation; Purification; Use of additives, e.g. for stabilisation
- C07C29/76—Separation; Purification; Use of additives, e.g. for stabilisation by physical treatment
- C07C29/80—Separation; Purification; Use of additives, e.g. for stabilisation by physical treatment by distillation
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/09—Preparation of carboxylic acids or their salts, halides or anhydrides from carboxylic acid esters or lactones
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL7614458A NL7614458A (nl) | 1976-12-28 | 1976-12-28 | Werkwijze voor het verwerken van een benzylbenzoaatbevattende teer. |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE2758391A1 true DE2758391A1 (de) | 1978-06-29 |
| DE2758391C2 DE2758391C2 (US06168776-20010102-C00028.png) | 1988-05-05 |
Family
ID=19827459
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19772758391 Granted DE2758391A1 (de) | 1976-12-28 | 1977-12-28 | Verfahren zur verarbeitung eines benzylbenzoathaltigen teeres |
Country Status (13)
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0005574A1 (de) * | 1978-05-19 | 1979-11-28 | Stamicarbon B.V. | Verfahren zur Herstellung eines Alkalimetallbenzoats neben einem Benzylalkohol |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL1007829C2 (nl) * | 1997-12-18 | 1999-06-21 | Dsm Nv | Werkwijze voor de bereiding van benzylalcohol. |
| JP2001226323A (ja) | 2000-02-17 | 2001-08-21 | Nippon Steel Chem Co Ltd | 安息香酸ベンジルの回収方法 |
| CN104387262B (zh) * | 2014-10-23 | 2016-04-06 | 江苏九九久科技股份有限公司 | 解离-团聚法去除苯甲酸中焦油杂质的方法 |
| CN106966861B (zh) * | 2017-03-14 | 2020-05-29 | 湖北科林博伦新材料有限公司 | 一种甲苯氧化工艺中的重副产物处理工艺和装置 |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3235588A (en) * | 1966-02-15 | Purification of benzoic acid | ||
| US2317455A (en) * | 1940-06-27 | 1943-04-27 | Du Pont | Purifying benzoic acid |
| DE907890C (de) * | 1944-04-28 | 1954-03-29 | Teerverwertung M B H Ges | Verfahren zur Gewinnung von nicht lichtempfindlicher Benzoesaeure aus Teeroelfraktionen |
| US2749363A (en) * | 1951-11-23 | 1956-06-05 | Shell Dev | Purification of aromatic acids |
| US2785199A (en) * | 1952-07-01 | 1957-03-12 | Richfield Oil Corp | Purification of toluic acids |
| US2813119A (en) * | 1954-05-07 | 1957-11-12 | Hercules Powder Co Ltd | Hydrocarbon oxidation |
| US2843627A (en) * | 1955-11-07 | 1958-07-15 | California Research Corp | Recovery of benzoic and toluic acids from dilute aqueous solutions thereof |
| US3309289A (en) * | 1961-10-11 | 1967-03-14 | Snia Viscosa | Recovery of benzoic acid by distillation in presence of excess water |
| DE1203751B (de) * | 1962-12-03 | 1965-10-28 | Dow Chemical Co | Verfahren zur Reinigung von roher, durch katalytische Oxydation von Toluol erhaltener Benzoesaeure |
| US3538165A (en) * | 1968-07-01 | 1970-11-03 | Universal Oil Prod Co | Continuous oxidation of aromatic compounds |
| US3956404A (en) * | 1971-07-20 | 1976-05-11 | Lever Brothers Company | Process for preparing cycloaliphatic monoterpenic alcohols |
| US3867439A (en) * | 1972-04-17 | 1975-02-18 | Dow Chemical Co | Preparation of potassium benzoate |
| JPS5234612B2 (US06168776-20010102-C00028.png) * | 1972-08-09 | 1977-09-05 | ||
| DE2636489C2 (de) * | 1976-08-13 | 1984-01-12 | Bayer Ag, 5090 Leverkusen | Verfahren zur Herstellung von Natriumbenzoat |
| PT67457B (en) * | 1976-12-28 | 1979-05-25 | Stamicarbon | Process for preparing oxidation products of monoalkyl benzene compounds |
-
1976
- 1976-12-28 NL NL7614458A patent/NL7614458A/xx not_active Application Discontinuation
-
1977
- 1977-12-22 BE BE183748A patent/BE862192A/xx not_active IP Right Cessation
- 1977-12-22 GB GB53520/77A patent/GB1568440A/en not_active Expired
- 1977-12-23 IT IT52371/77A patent/IT1092224B/it active
- 1977-12-26 JP JP15716577A patent/JPS5395934A/ja active Pending
- 1977-12-26 AR AR270507A patent/AR223641A1/es active
- 1977-12-27 PT PT67458A patent/PT67458B/pt unknown
- 1977-12-27 FR FR7739282A patent/FR2376113A1/fr active Granted
- 1977-12-27 US US05/864,722 patent/US4205184A/en not_active Expired - Lifetime
- 1977-12-27 ES ES465459A patent/ES465459A1/es not_active Expired
- 1977-12-28 YU YU03148/77A patent/YU314877A/xx unknown
- 1977-12-28 DE DE19772758391 patent/DE2758391A1/de active Granted
-
1978
- 1978-01-04 IN IN5/DEL/78A patent/IN147682B/en unknown
-
1979
- 1979-12-18 IN IN907/DEL/79A patent/IN148760B/en unknown
- 1979-12-18 IN IN906/DEL/79A patent/IN148722B/en unknown
Non-Patent Citations (3)
| Title |
|---|
| SRI-Bericht 7 (1965) 29 * |
| SRI-Bericht 7A (1968) 241 * |
| SRI-Bericht 7B (1976) 53 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0005574A1 (de) * | 1978-05-19 | 1979-11-28 | Stamicarbon B.V. | Verfahren zur Herstellung eines Alkalimetallbenzoats neben einem Benzylalkohol |
Also Published As
| Publication number | Publication date |
|---|---|
| PT67458A (en) | 1978-01-01 |
| AR223641A1 (es) | 1981-09-15 |
| FR2376113A1 (fr) | 1978-07-28 |
| DE2758391C2 (US06168776-20010102-C00028.png) | 1988-05-05 |
| ES465459A1 (es) | 1978-09-16 |
| GB1568440A (en) | 1980-05-29 |
| IT1092224B (it) | 1985-07-06 |
| NL7614458A (nl) | 1978-06-30 |
| US4205184A (en) | 1980-05-27 |
| JPS5395934A (en) | 1978-08-22 |
| IN147682B (US06168776-20010102-C00028.png) | 1980-05-24 |
| IN148722B (US06168776-20010102-C00028.png) | 1981-05-23 |
| IN148760B (US06168776-20010102-C00028.png) | 1981-06-06 |
| FR2376113B1 (US06168776-20010102-C00028.png) | 1984-04-27 |
| BE862192A (nl) | 1978-06-22 |
| PT67458B (en) | 1979-05-25 |
| YU314877A (en) | 1983-06-30 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8110 | Request for examination paragraph 44 | ||
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |