RO94046B1 - Procedeu de obtinere a acidului etilendiaminotetraacetic - Google Patents
Procedeu de obtinere a acidului etilendiaminotetraaceticInfo
- Publication number
- RO94046B1 RO94046B1 RO122944A RO12294486A RO94046B1 RO 94046 B1 RO94046 B1 RO 94046B1 RO 122944 A RO122944 A RO 122944A RO 12294486 A RO12294486 A RO 12294486A RO 94046 B1 RO94046 B1 RO 94046B1
- Authority
- RO
- Romania
- Prior art keywords
- acid
- ethylenediaminotethraacetic
- obtaining
- ethylenediaminetetraacetic acid
- potassium
- Prior art date
Links
- 238000000034 method Methods 0.000 title abstract 2
- 239000002253 acid Substances 0.000 title 1
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 abstract 3
- 238000004519 manufacturing process Methods 0.000 abstract 3
- KCXVZYZYPLLWCC-UHFFFAOYSA-N EDTA Chemical compound OC(=O)CN(CC(O)=O)CCN(CC(O)=O)CC(O)=O KCXVZYZYPLLWCC-UHFFFAOYSA-N 0.000 abstract 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 abstract 2
- PIICEJLVQHRZGT-UHFFFAOYSA-N Ethylenediamine Chemical compound NCCN PIICEJLVQHRZGT-UHFFFAOYSA-N 0.000 abstract 1
- 239000006227 byproduct Substances 0.000 abstract 1
- 239000000706 filtrate Substances 0.000 abstract 1
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 abstract 1
- NNFCIKHAZHQZJG-UHFFFAOYSA-N potassium cyanide Chemical compound [K+].N#[C-] NNFCIKHAZHQZJG-UHFFFAOYSA-N 0.000 abstract 1
- OTYBMLCTZGSZBG-UHFFFAOYSA-L potassium sulfate Chemical compound [K+].[K+].[O-]S([O-])(=O)=O OTYBMLCTZGSZBG-UHFFFAOYSA-L 0.000 abstract 1
- 229910052939 potassium sulfate Inorganic materials 0.000 abstract 1
- 239000001120 potassium sulphate Substances 0.000 abstract 1
- 235000011151 potassium sulphates Nutrition 0.000 abstract 1
- 238000000926 separation method Methods 0.000 abstract 1
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Procedeul, conform inventiei, rezolva problema fabricarii industriale a acidului etilendiaminotetraacetic, precum si problema valorificarii superioare a produselor secundare, prin utilizarea în fabricatie a cianurii de potasiu si a hidroxidului de potasiu alaturi de formaldehida, etilendiamina si acid sulfuric si fabricarea sulfatului de potasiu tehnic anhidru din filtratul colectat în faza de separare a acidului etilendiaminotetraacetic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RO122944A RO94046B1 (ro) | 1986-04-10 | 1986-04-10 | Procedeu de obtinere a acidului etilendiaminotetraacetic |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RO122944A RO94046B1 (ro) | 1986-04-10 | 1986-04-10 | Procedeu de obtinere a acidului etilendiaminotetraacetic |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| RO94046A3 RO94046A3 (ro) | 1988-05-30 |
| RO94046B1 true RO94046B1 (ro) | 1988-05-31 |
Family
ID=20119253
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RO122944A RO94046B1 (ro) | 1986-04-10 | 1986-04-10 | Procedeu de obtinere a acidului etilendiaminotetraacetic |
Country Status (1)
| Country | Link |
|---|---|
| RO (1) | RO94046B1 (ro) |
-
1986
- 1986-04-10 RO RO122944A patent/RO94046B1/ro unknown
Also Published As
| Publication number | Publication date |
|---|---|
| RO94046A3 (ro) | 1988-05-30 |
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