BE618889A - Process for the production of terephthalic acid - Google Patents
Process for the production of terephthalic acidInfo
- 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
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 (en) | 1961-06-14 | 1961-06-14 | Process for the continuous thermal rearrangement of salts of mono- or binuclear aromatic or heterocyclic, aromatically behaving carboxylic acids |
Publications (1)
Publication Number | Publication Date |
---|---|
BE618889A true BE618889A (en) | 1962-12-14 |
Family
ID=6973761
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE618889A BE618889A (en) | 1961-06-14 | 1962-06-13 | Process for the production of terephthalic acid |
Country Status (4)
Country | Link |
---|---|
BE (1) | BE618889A (en) |
DE (1) | DE1167811B (en) |
GB (1) | GB940965A (en) |
NL (1) | NL279714A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN118767803A (en) * | 2024-09-09 | 2024-10-15 | 山东兴达化工有限公司 | A method for refining cyanuric acid under pressure |
-
0
- NL NL279714D patent/NL279714A/xx unknown
-
1961
- 1961-06-14 DE DEB62884A patent/DE1167811B/en active Pending
-
1962
- 1962-06-13 GB GB2266062A patent/GB940965A/en not_active Expired
- 1962-06-13 BE BE618889A patent/BE618889A/en unknown
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN118767803A (en) * | 2024-09-09 | 2024-10-15 | 山东兴达化工有限公司 | A method for refining cyanuric acid under pressure |
CN118767803B (en) * | 2024-09-09 | 2024-11-05 | 山东兴达化工有限公司 | A method for refining cyanuric acid under pressure |
Also Published As
Publication number | Publication date |
---|---|
GB940965A (en) | 1963-11-06 |
NL279714A (en) | |
DE1167811B (en) | 1964-04-16 |
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