BE618889A - Procédé pour la production d'acide téréphtalique - Google Patents
Procédé pour la production d'acide téréphtaliqueInfo
- Publication number
- BE618889A BE618889A BE618889A BE618889A BE618889A BE 618889 A BE618889 A BE 618889A BE 618889 A BE618889 A BE 618889A BE 618889 A BE618889 A BE 618889A BE 618889 A BE618889 A BE 618889A
- Authority
- BE
- Belgium
- Prior art keywords
- production
- terephthalic acid
- terephthalic
- acid
- Prior art date
Links
- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 title 2
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D213/00—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members
- C07D213/02—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members
- C07D213/04—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom
- C07D213/60—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D213/78—Carbon atoms having three bonds to hetero atoms, with at the most one bond to halogen, e.g. ester or nitrile radicals
- C07D213/79—Acids; Esters
- C07D213/803—Processes of preparation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J10/00—Chemical processes in general for reacting liquid with gaseous media other than in the presence of solid particles, or apparatus specially adapted therefor
- B01J10/005—Chemical processes in general for reacting liquid with gaseous media other than in the presence of solid particles, or apparatus specially adapted therefor carried out at high temperatures in the presence of a molten material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J3/00—Processes of utilising sub-atmospheric or super-atmospheric pressure to effect chemical or physical change of matter; Apparatus therefor
- B01J3/02—Feed or outlet devices therefor
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/347—Preparation of carboxylic acids or their salts, halides or anhydrides by reactions not involving formation of carboxyl groups
- C07C51/353—Preparation of carboxylic acids or their salts, halides or anhydrides by reactions not involving formation of carboxyl groups by isomerisation; by change of size of the carbon skeleton
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/41—Preparation of salts of carboxylic acids
- C07C51/416—Henkel reaction and related reactions, i.e. rearrangement of carboxylate salt groups linked to six-membered aromatic rings, in the absence or in the presence of CO or CO2, (e.g. preparation of terepholates from benzoates); no additional classification for the subsequent hydrolysis of the salt groups has to be given
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (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 |
|---|---|---|---|
| DEB62884A DE1167811B (de) | 1961-06-14 | 1961-06-14 | Verfahren zur kontinuierlichen thermischen Umlagerung von Salzen ein- oder zweikerniger aromatischer oder heterocyclischer, sich aromatisch verhaltender Carbonsaeuren |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE618889A true BE618889A (fr) | 1962-12-14 |
Family
ID=6973761
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE618889A BE618889A (fr) | 1961-06-14 | 1962-06-13 | Procédé pour la production d'acide téréphtalique |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE618889A (fr) |
| DE (1) | DE1167811B (fr) |
| GB (1) | GB940965A (fr) |
| NL (1) | NL279714A (fr) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118767803A (zh) * | 2024-09-09 | 2024-10-15 | 山东兴达化工有限公司 | 一种氰尿酸精制加压反应方法 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1028577B (de) | 1956-01-17 | 1958-04-24 | Basf Ag | Verfahren zur Herstellung von cyclischen, sauer reagierenden Verbindungen, die zwei salzbildende Gruppen tragen, von denen mindestens eine eine Carboxylgruppe ist |
| DE1062701B (de) | 1956-03-06 | 1959-08-06 | Basf Ag | Verfahren zur kontinuierlichen Disproportionierung oder Isomerisierung von Salzen cyclischer, sauer reagierender Verbindungen |
-
0
- NL NL279714D patent/NL279714A/xx unknown
-
1961
- 1961-06-14 DE DEB62884A patent/DE1167811B/de active Pending
-
1962
- 1962-06-13 BE BE618889A patent/BE618889A/fr unknown
- 1962-06-13 GB GB2266062A patent/GB940965A/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118767803A (zh) * | 2024-09-09 | 2024-10-15 | 山东兴达化工有限公司 | 一种氰尿酸精制加压反应方法 |
| CN118767803B (zh) * | 2024-09-09 | 2024-11-05 | 山东兴达化工有限公司 | 一种氰尿酸精制加压反应方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| DE1167811B (de) | 1964-04-16 |
| GB940965A (en) | 1963-11-06 |
| NL279714A (fr) |
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