RO97242B1 - Instalatie de purificare prin recristalizare a dimetiltereftalatului - Google Patents
Instalatie de purificare prin recristalizare a dimetiltereftalatuluiInfo
- Publication number
- RO97242B1 RO97242B1 RO124375A RO12437586A RO97242B1 RO 97242 B1 RO97242 B1 RO 97242B1 RO 124375 A RO124375 A RO 124375A RO 12437586 A RO12437586 A RO 12437586A RO 97242 B1 RO97242 B1 RO 97242B1
- Authority
- RO
- Romania
- Prior art keywords
- solution
- pressure
- installation
- dimethylterephthalate
- recrystallization
- Prior art date
Links
- 238000009434 installation Methods 0.000 title abstract 2
- WOZVHXUHUFLZGK-UHFFFAOYSA-N dimethyl terephthalate Chemical compound COC(=O)C1=CC=C(C(=O)OC)C=C1 WOZVHXUHUFLZGK-UHFFFAOYSA-N 0.000 title 2
- 238000001953 recrystallisation Methods 0.000 title 1
- 238000002425 crystallisation Methods 0.000 abstract 2
- 238000001816 cooling Methods 0.000 abstract 1
- 239000013078 crystal Substances 0.000 abstract 1
- 230000008025 crystallization Effects 0.000 abstract 1
- 230000006837 decompression Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 238000000746 purification Methods 0.000 abstract 1
- 238000000926 separation method Methods 0.000 abstract 1
- 239000000725 suspension Substances 0.000 abstract 1
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Inventia de fata prezinta o instalatie de purificare, prin recristalizare în solutie, a produselor ce solubilizeaza la presiuni, folosindu-se metode de cristalizare izoterma sau combinata (izoternp-izohidrica), în general, si a DMT-ului în particular. Instalatia se compune din vase de cristalizare, câte unul pentru fiecare linie, în care se introduce solutia ce urmeaza a fi racita pâna la formarea cristalelor, vase tampon de stocare a suspensiei, din care se alimenteaza continuu utilajele de separare, sistemul unic de vid cu care se realizeaza suprasaturarea si racirea sarjelor, sistem de decomprimare primara sub presiune constanta, mai mica decât presiunea de realizare a solutiei.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RO124375A RO97242B1 (ro) | 1986-08-02 | 1986-08-02 | Instalatie de purificare prin recristalizare a dimetiltereftalatului |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RO124375A RO97242B1 (ro) | 1986-08-02 | 1986-08-02 | Instalatie de purificare prin recristalizare a dimetiltereftalatului |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| RO97242B1 true RO97242B1 (ro) | 1989-07-02 |
Family
ID=40905514
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RO124375A RO97242B1 (ro) | 1986-08-02 | 1986-08-02 | Instalatie de purificare prin recristalizare a dimetiltereftalatului |
Country Status (1)
| Country | Link |
|---|---|
| RO (1) | RO97242B1 (ro) |
-
1986
- 1986-08-02 RO RO124375A patent/RO97242B1/ro unknown
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