ATE25662T1 - Verfahren zur reinigung von benzoesaeure. - Google Patents
Verfahren zur reinigung von benzoesaeure.Info
- Publication number
- ATE25662T1 ATE25662T1 AT83201852T AT83201852T ATE25662T1 AT E25662 T1 ATE25662 T1 AT E25662T1 AT 83201852 T AT83201852 T AT 83201852T AT 83201852 T AT83201852 T AT 83201852T AT E25662 T1 ATE25662 T1 AT E25662T1
- Authority
- AT
- Austria
- Prior art keywords
- purification
- gas
- benzoic acids
- sup
- reaction product
- Prior art date
Links
- 238000000034 method Methods 0.000 title abstract 2
- 150000001559 benzoic acids Chemical class 0.000 title 1
- 238000000746 purification Methods 0.000 title 1
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 abstract 4
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 abstract 3
- 239000007789 gas Substances 0.000 abstract 3
- 238000007254 oxidation reaction Methods 0.000 abstract 3
- 239000005711 Benzoic acid Substances 0.000 abstract 2
- 235000010233 benzoic acid Nutrition 0.000 abstract 2
- 239000007795 chemical reaction product Substances 0.000 abstract 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract 1
- 238000000605 extraction Methods 0.000 abstract 1
- 230000003647 oxidation Effects 0.000 abstract 1
- 239000001301 oxygen Substances 0.000 abstract 1
- 229910052760 oxygen Inorganic materials 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/42—Separation; Purification; Stabilisation; Use of additives
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/42—Separation; Purification; Stabilisation; Use of additives
- C07C51/487—Separation; Purification; Stabilisation; Use of additives by treatment giving rise to chemical modification
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL8300008A NL8300008A (nl) | 1983-01-03 | 1983-01-03 | Werkwijze voor de bereiding van benzoezuur. |
| EP83201852A EP0115101B1 (de) | 1983-01-03 | 1983-12-29 | Verfahren zur Reinigung von Benzoesäure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ATE25662T1 true ATE25662T1 (de) | 1987-03-15 |
Family
ID=19841175
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT83201852T ATE25662T1 (de) | 1983-01-03 | 1983-12-29 | Verfahren zur reinigung von benzoesaeure. |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US4539425A (de) |
| EP (1) | EP0115101B1 (de) |
| JP (1) | JPS59130836A (de) |
| AT (1) | ATE25662T1 (de) |
| DE (1) | DE3369968D1 (de) |
| NL (1) | NL8300008A (de) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL8403559A (nl) * | 1984-11-23 | 1986-06-16 | Stamicarbon | Werkwijze en inrichting voor het zuiveren van benzoezuur. |
| US4714526A (en) * | 1985-06-10 | 1987-12-22 | The University Of Rochester | Supercritical fluid extraction method for multi-component systems |
| KR100437562B1 (ko) * | 1996-06-07 | 2004-10-02 | 주식회사 삼양사 | 테레프탈산제조공정에서발생되는폐기물로부터안식향산을회수하는방법 |
| CN111892494A (zh) * | 2020-07-02 | 2020-11-06 | 江苏顺丰化工有限公司 | 一种苯甲酸的制备方法 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1380277A (en) * | 1919-12-12 | 1921-05-31 | Barrett Co | Catalytic oxidation of ortho-cresol |
| US1851361A (en) * | 1927-08-08 | 1932-03-29 | Selden Co | Catalytic side chain oxidation of aromatic compounds |
| US1686913A (en) * | 1927-10-18 | 1928-10-09 | Selden Co | Purification of benzoic acid and its derivatives |
| BE760038A (fr) * | 1969-12-08 | 1971-05-17 | Dow Chemical Co | Purification de l'acide benzoique |
| DE2460822C2 (de) * | 1974-12-21 | 1981-07-23 | Bayer Ag, 5090 Leverkusen | Gewinnung von Benzoesäure |
| DE2636489C2 (de) * | 1976-08-13 | 1984-01-12 | Bayer Ag, 5090 Leverkusen | Verfahren zur Herstellung von Natriumbenzoat |
-
1983
- 1983-01-03 NL NL8300008A patent/NL8300008A/nl not_active Application Discontinuation
- 1983-12-22 US US06/564,198 patent/US4539425A/en not_active Expired - Fee Related
- 1983-12-27 JP JP58244969A patent/JPS59130836A/ja active Pending
- 1983-12-29 EP EP83201852A patent/EP0115101B1/de not_active Expired
- 1983-12-29 AT AT83201852T patent/ATE25662T1/de not_active IP Right Cessation
- 1983-12-29 DE DE8383201852T patent/DE3369968D1/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NL8300008A (nl) | 1984-08-01 |
| JPS59130836A (ja) | 1984-07-27 |
| EP0115101A3 (en) | 1984-08-29 |
| US4539425A (en) | 1985-09-03 |
| EP0115101B1 (de) | 1987-03-04 |
| EP0115101A2 (de) | 1984-08-08 |
| DE3369968D1 (en) | 1987-04-09 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |