RO92078B1 - Procedeu de cristalizare continua a acidului acetil-salicilic - Google Patents
Procedeu de cristalizare continua a acidului acetil-salicilicInfo
- Publication number
- RO92078B1 RO92078B1 RO118389A RO11838985A RO92078B1 RO 92078 B1 RO92078 B1 RO 92078B1 RO 118389 A RO118389 A RO 118389A RO 11838985 A RO11838985 A RO 11838985A RO 92078 B1 RO92078 B1 RO 92078B1
- Authority
- RO
- Romania
- Prior art keywords
- solution
- acid
- continuously crystallizing
- acetic
- acetosalicylic acid
- Prior art date
Links
- 238000000034 method Methods 0.000 title abstract 2
- 239000002253 acid Substances 0.000 title 1
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 abstract 6
- 239000013078 crystal Substances 0.000 abstract 2
- 238000002425 crystallisation Methods 0.000 abstract 2
- 230000008025 crystallization Effects 0.000 abstract 2
- BSYNRYMUTXBXSQ-FOQJRBATSA-N 59096-14-9 Chemical compound CC(=O)OC1=CC=CC=C1[14C](O)=O BSYNRYMUTXBXSQ-FOQJRBATSA-N 0.000 abstract 1
- BSYNRYMUTXBXSQ-UHFFFAOYSA-N Aspirin Chemical compound CC(=O)OC1=CC=CC=C1C(O)=O BSYNRYMUTXBXSQ-UHFFFAOYSA-N 0.000 abstract 1
- 229960001138 acetylsalicylic acid Drugs 0.000 abstract 1
- 230000008602 contraction Effects 0.000 abstract 1
- 238000001914 filtration Methods 0.000 abstract 1
- 239000002002 slurry Substances 0.000 abstract 1
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Inventia se refera la un procedeu de cristalizare continua a acidului acetil-salicilic dintr-o solutie în acid acetic a acestuia si consta în aceea ca, în scopul obtinerii unor scristale de dimensiuni constante, soluti acetica de 60 ... 90 degree si contractie de 30 ... 40% acid acetilsalicilic, se inroduce sub agitare într-o suspensie acetica de contractie 30 ... 45% cristale de acid acetilsalicilic de forma aciculara sau de prisme scurte si dimensiuni medii de 0,1 ... 0,4 mm, ce serveste drept suport de cristalizare indusa-fortata, solutie aflata de 15 ... 40 degree C cristale de dimensiuni mari se sedimenteaza si se evacueaza periodic când se trece suspensia la filtarare.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RO118389A RO92078B1 (ro) | 1985-04-15 | 1985-04-15 | Procedeu de cristalizare continua a acidului acetil-salicilic |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RO118389A RO92078B1 (ro) | 1985-04-15 | 1985-04-15 | Procedeu de cristalizare continua a acidului acetil-salicilic |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| RO92078A2 RO92078A2 (ro) | 1987-07-30 |
| RO92078B1 true RO92078B1 (ro) | 1987-08-02 |
Family
ID=20116996
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RO118389A RO92078B1 (ro) | 1985-04-15 | 1985-04-15 | Procedeu de cristalizare continua a acidului acetil-salicilic |
Country Status (1)
| Country | Link |
|---|---|
| RO (1) | RO92078B1 (ro) |
-
1985
- 1985-04-15 RO RO118389A patent/RO92078B1/ro unknown
Also Published As
| Publication number | Publication date |
|---|---|
| RO92078A2 (ro) | 1987-07-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| MX9201704A (es) | Proceso para preparar acido tereftalico crudo adecuado para reduccion para preparar acido tereftalico purificado. | |
| FR2337693A1 (fr) | Procede et dispositif pour la distillation d'eau brute | |
| BE863227A (fr) | Procede de purification d'eaux fluorees, notamment d'eaux residuaires fluorees | |
| IT1226469B (it) | Apparecchio per tagliare cristallo semiconduttore | |
| IT8622852A0 (it) | Metodo per la produzione diprodotti cristallini puri. | |
| FR2339572A1 (fr) | Procede de purification de saumures renfermant des impuretes dissoutes a base de strontium, de calcium et de magnesium, et nouveaux produits ainsi obtenus | |
| RO92078B1 (ro) | Procedeu de cristalizare continua a acidului acetil-salicilic | |
| FI103120B (fi) | Menetelmä laktitolin kiteyttämiseksi | |
| BE861412A (fr) | Procede de purification de l'anthraquinone brute | |
| SU414185A1 (ro) | ||
| FR2578249B1 (fr) | Procede d'oxydation de composes hydrazoiques en azoiques correspondants par l'eau oxygenee | |
| UA15830C2 (uk) | Спосіб одержаhhя кристалічhого карбаміда | |
| FR2612173B1 (fr) | Procede de preparation de composes de manganese de haute purete | |
| PT86576A (fr) | Procede de purification du chlorure d:aluminium | |
| BE831072A (fr) | Procede de purification des eaux brutes par certains agents floculants polyquaternaires | |
| ES2003686A6 (es) | Metodo para detectar la formacion de cristales de oxalato calcico en una muestra de orina en presencia de un inhibidor de la litiasis renal | |
| RO66812A2 (ro) | Procedeu si instalatie pentru purificarea complexa a apelor in vederea potabilizarii | |
| RO92831A2 (ro) | Procedeu de purificare a polietilenglicolilor | |
| JPS5249645A (en) | Desalting apparatus | |
| JPS52108992A (en) | Purification of cefalexin | |
| OA05009A (fr) | Procédé de purification d'eau et eau purifiée obtenue. | |
| BE786498A (fr) | Procede et installation pour la purification de l'aniline brute | |
| IT8823156A0 (it) | Impianto per la depurazione meccanico-biologica di acque di rifiuto | |
| RO86669A2 (ro) | Procedeu de epurare a apelor residuale | |
| BE767608A (fr) | Procede de purification de cyanures d'haloalcoyle bruts |