RO81804B - Procedeu pentru obtinerea dimetiltereftalatului din reziduuri care aupunct ridicat de fierbere - Google Patents
Procedeu pentru obtinerea dimetiltereftalatului din reziduuri care aupunct ridicat de fierbereInfo
- Publication number
- RO81804B RO81804B RO103771A RO10377181A RO81804B RO 81804 B RO81804 B RO 81804B RO 103771 A RO103771 A RO 103771A RO 10377181 A RO10377181 A RO 10377181A RO 81804 B RO81804 B RO 81804B
- Authority
- RO
- Romania
- Prior art keywords
- oxidation
- reasidues
- dimethylterephthalate
- obtaining
- boiling point
- Prior art date
Links
- WOZVHXUHUFLZGK-UHFFFAOYSA-N dimethyl terephthalate Chemical compound COC(=O)C1=CC=C(C(=O)OC)C=C1 WOZVHXUHUFLZGK-UHFFFAOYSA-N 0.000 title abstract 6
- 238000000034 method Methods 0.000 title abstract 3
- 238000009835 boiling Methods 0.000 title abstract 2
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 abstract 3
- 239000003054 catalyst Substances 0.000 abstract 3
- 230000003647 oxidation Effects 0.000 abstract 3
- 238000007254 oxidation reaction Methods 0.000 abstract 3
- LPNBBFKOUUSUDB-UHFFFAOYSA-N p-toluic acid Chemical compound CC1=CC=C(C(O)=O)C=C1 LPNBBFKOUUSUDB-UHFFFAOYSA-N 0.000 abstract 2
- 238000007669 thermal treatment Methods 0.000 abstract 2
- LCGLNKUTAGEVQW-UHFFFAOYSA-N Dimethyl ether Chemical compound COC LCGLNKUTAGEVQW-UHFFFAOYSA-N 0.000 abstract 1
- ZOIORXHNWRGPMV-UHFFFAOYSA-N acetic acid;zinc Chemical compound [Zn].CC(O)=O.CC(O)=O ZOIORXHNWRGPMV-UHFFFAOYSA-N 0.000 abstract 1
- 239000002253 acid Substances 0.000 abstract 1
- 150000007513 acids Chemical class 0.000 abstract 1
- 238000010494 dissociation reaction Methods 0.000 abstract 1
- 230000005593 dissociations Effects 0.000 abstract 1
- 238000004821 distillation Methods 0.000 abstract 1
- 230000032050 esterification Effects 0.000 abstract 1
- 238000005886 esterification reaction Methods 0.000 abstract 1
- 150000002148 esters Chemical class 0.000 abstract 1
- 238000000605 extraction Methods 0.000 abstract 1
- 239000012530 fluid Substances 0.000 abstract 1
- 239000013067 intermediate product Substances 0.000 abstract 1
- LZKLAOYSENRNKR-LNTINUHCSA-N iron;(z)-4-oxoniumylidenepent-2-en-2-olate Chemical compound [Fe].C\C(O)=C\C(C)=O.C\C(O)=C\C(C)=O.C\C(O)=C\C(C)=O LZKLAOYSENRNKR-LNTINUHCSA-N 0.000 abstract 1
- AKTIAGQCYPCKFX-FDGPNNRMSA-L magnesium;(z)-4-oxopent-2-en-2-olate Chemical compound [Mg+2].C\C([O-])=C\C(C)=O.C\C([O-])=C\C(C)=O AKTIAGQCYPCKFX-FDGPNNRMSA-L 0.000 abstract 1
- 238000002360 preparation method Methods 0.000 abstract 1
- 238000000926 separation method Methods 0.000 abstract 1
- 239000004246 zinc acetate Substances 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/39—Preparation of carboxylic acid esters by oxidation of groups which are precursors for the acid moiety of the ester
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/48—Separation; Purification; Stabilisation; Use of additives
- C07C67/60—Separation; Purification; Stabilisation; Use of additives by treatment giving rise to chemical modification
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Catalysts (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE3011175A DE3011175C2 (de) | 1980-03-22 | 1980-03-22 | Verfahren zur Gewinnung von Dimethylterephthalat und Zwischenprodukten der DMT-Herstellung |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| RO81804A RO81804A (fr) | 1984-04-02 |
| RO81804B true RO81804B (ro) | 1984-04-30 |
Family
ID=6098062
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RO103771A RO81804B (ro) | 1980-03-22 | 1981-03-20 | Procedeu pentru obtinerea dimetiltereftalatului din reziduuri care aupunct ridicat de fierbere |
Country Status (8)
| Country | Link |
|---|---|
| BR (1) | BR8101662A (fr) |
| DE (1) | DE3011175C2 (fr) |
| FR (1) | FR2478628A1 (fr) |
| IT (1) | IT1170830B (fr) |
| NL (1) | NL8101387A (fr) |
| PL (1) | PL230235A1 (fr) |
| RO (1) | RO81804B (fr) |
| SU (1) | SU980613A3 (fr) |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH605591A5 (en) * | 1974-06-14 | 1978-09-29 | Teijin Hercules Chem Co Ltd | Dimethyl terephthalate and inters recovery |
-
1980
- 1980-03-22 DE DE3011175A patent/DE3011175C2/de not_active Expired
-
1981
- 1981-03-13 SU SU813254446A patent/SU980613A3/ru active
- 1981-03-19 FR FR8105528A patent/FR2478628A1/fr not_active Withdrawn
- 1981-03-20 IT IT48070/81A patent/IT1170830B/it active
- 1981-03-20 NL NL8101387A patent/NL8101387A/nl not_active Application Discontinuation
- 1981-03-20 PL PL23023581A patent/PL230235A1/xx unknown
- 1981-03-20 BR BR8101662A patent/BR8101662A/pt unknown
- 1981-03-20 RO RO103771A patent/RO81804B/ro unknown
Also Published As
| Publication number | Publication date |
|---|---|
| SU980613A3 (ru) | 1982-12-07 |
| DE3011175C2 (de) | 1982-06-09 |
| FR2478628A1 (fr) | 1981-09-25 |
| PL230235A1 (fr) | 1981-11-13 |
| IT1170830B (it) | 1987-06-03 |
| IT8148070A0 (it) | 1981-03-20 |
| NL8101387A (nl) | 1981-10-16 |
| RO81804A (fr) | 1984-04-02 |
| BR8101662A (pt) | 1981-09-22 |
| DE3011175A1 (de) | 1981-10-01 |
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