JPS5463015A - Recovery of ethylenediamine-n,n'diacetic acid - Google Patents
Recovery of ethylenediamine-n,n'diacetic acidInfo
- Publication number
- JPS5463015A JPS5463015A JP12888677A JP12888677A JPS5463015A JP S5463015 A JPS5463015 A JP S5463015A JP 12888677 A JP12888677 A JP 12888677A JP 12888677 A JP12888677 A JP 12888677A JP S5463015 A JPS5463015 A JP S5463015A
- Authority
- JP
- Japan
- Prior art keywords
- edda
- solution
- oxalate
- oxalic
- aqueous
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- IFQUWYZCAGRUJN-UHFFFAOYSA-N ethylenediaminediacetic acid Chemical compound OC(=O)CNCCNCC(O)=O IFQUWYZCAGRUJN-UHFFFAOYSA-N 0.000 title abstract 9
- 238000011084 recovery Methods 0.000 title abstract 2
- 239000000243 solution Substances 0.000 abstract 6
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 abstract 4
- 150000003839 salts Chemical class 0.000 abstract 3
- 239000003513 alkali Substances 0.000 abstract 2
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 abstract 1
- 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 1
- 235000011114 ammonium hydroxide Nutrition 0.000 abstract 1
- VBIXEXWLHSRNKB-UHFFFAOYSA-N ammonium oxalate Chemical compound [NH4+].[NH4+].[O-]C(=O)C([O-])=O VBIXEXWLHSRNKB-UHFFFAOYSA-N 0.000 abstract 1
- 239000007864 aqueous solution Substances 0.000 abstract 1
- 239000006227 byproduct Substances 0.000 abstract 1
- 229910001424 calcium ion Inorganic materials 0.000 abstract 1
- 239000013522 chelant Substances 0.000 abstract 1
- 239000003153 chemical reaction reagent Substances 0.000 abstract 1
- YNQRWVCLAIUHHI-UHFFFAOYSA-L dilithium;oxalate Chemical compound [Li+].[Li+].[O-]C(=O)C([O-])=O YNQRWVCLAIUHHI-UHFFFAOYSA-L 0.000 abstract 1
- IRXRGVFLQOSHOH-UHFFFAOYSA-L dipotassium;oxalate Chemical compound [K+].[K+].[O-]C(=O)C([O-])=O IRXRGVFLQOSHOH-UHFFFAOYSA-L 0.000 abstract 1
- 150000002500 ions Chemical class 0.000 abstract 1
- 229910052751 metal Inorganic materials 0.000 abstract 1
- 239000002184 metal Substances 0.000 abstract 1
- 229910021645 metal ion Inorganic materials 0.000 abstract 1
- 150000002739 metals Chemical class 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- 229940039748 oxalate Drugs 0.000 abstract 1
- 235000006408 oxalic acid Nutrition 0.000 abstract 1
- BITYAPCSNKJESK-UHFFFAOYSA-N potassiosodium Chemical compound [Na].[K] BITYAPCSNKJESK-UHFFFAOYSA-N 0.000 abstract 1
- BYTCDABWEGFPLT-UHFFFAOYSA-L potassium;sodium;dihydroxide Chemical compound [OH-].[OH-].[Na+].[K+] BYTCDABWEGFPLT-UHFFFAOYSA-L 0.000 abstract 1
- 230000001376 precipitating effect Effects 0.000 abstract 1
- -1 rare earth ions Chemical class 0.000 abstract 1
- 229910052761 rare earth metal Inorganic materials 0.000 abstract 1
- 230000001105 regulatory effect Effects 0.000 abstract 1
- ZNCPFRVNHGOPAG-UHFFFAOYSA-L sodium oxalate Chemical compound [Na+].[Na+].[O-]C(=O)C([O-])=O ZNCPFRVNHGOPAG-UHFFFAOYSA-L 0.000 abstract 1
- 229940039790 sodium oxalate Drugs 0.000 abstract 1
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12888677A JPS5463015A (en) | 1977-10-27 | 1977-10-27 | Recovery of ethylenediamine-n,n'diacetic acid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12888677A JPS5463015A (en) | 1977-10-27 | 1977-10-27 | Recovery of ethylenediamine-n,n'diacetic acid |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5463015A true JPS5463015A (en) | 1979-05-21 |
| JPS6126775B2 JPS6126775B2 (enExample) | 1986-06-21 |
Family
ID=14995776
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12888677A Granted JPS5463015A (en) | 1977-10-27 | 1977-10-27 | Recovery of ethylenediamine-n,n'diacetic acid |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5463015A (enExample) |
-
1977
- 1977-10-27 JP JP12888677A patent/JPS5463015A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6126775B2 (enExample) | 1986-06-21 |
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