JPS5748950A - Fractional separation of nitrilotriacetic acid sodium salt - Google Patents
Fractional separation of nitrilotriacetic acid sodium saltInfo
- Publication number
- JPS5748950A JPS5748950A JP12403380A JP12403380A JPS5748950A JP S5748950 A JPS5748950 A JP S5748950A JP 12403380 A JP12403380 A JP 12403380A JP 12403380 A JP12403380 A JP 12403380A JP S5748950 A JPS5748950 A JP S5748950A
- Authority
- JP
- Japan
- Prior art keywords
- sodium salt
- acid sodium
- nitrilotriacetic acid
- separated
- filtrate
- 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
- DZCAZXAJPZCSCU-UHFFFAOYSA-K sodium nitrilotriacetate Chemical compound [Na+].[Na+].[Na+].[O-]C(=O)CN(CC([O-])=O)CC([O-])=O DZCAZXAJPZCSCU-UHFFFAOYSA-K 0.000 title abstract 4
- 238000000926 separation method Methods 0.000 title 1
- 239000007788 liquid Substances 0.000 abstract 4
- 239000000706 filtrate Substances 0.000 abstract 3
- VILMUCRZVVVJCA-UHFFFAOYSA-M sodium glycolate Chemical compound [Na+].OCC([O-])=O VILMUCRZVVVJCA-UHFFFAOYSA-M 0.000 abstract 3
- 239000006227 byproduct Substances 0.000 abstract 2
- 150000001875 compounds Chemical class 0.000 abstract 2
- 238000001816 cooling Methods 0.000 abstract 2
- 238000001914 filtration Methods 0.000 abstract 2
- 238000010438 heat treatment Methods 0.000 abstract 2
- 239000000243 solution Substances 0.000 abstract 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 2
- 239000007864 aqueous solution Substances 0.000 abstract 1
- 239000002738 chelating agent Substances 0.000 abstract 1
- 239000012295 chemical reaction liquid Substances 0.000 abstract 1
- 238000002425 crystallisation Methods 0.000 abstract 1
- 230000008025 crystallization Effects 0.000 abstract 1
- 238000001640 fractional crystallisation Methods 0.000 abstract 1
- 229910052751 metal Inorganic materials 0.000 abstract 1
- 239000002184 metal Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- MGFYIUFZLHCRTH-UHFFFAOYSA-N nitrilotriacetic acid Chemical compound OC(=O)CN(CC(O)=O)CC(O)=O MGFYIUFZLHCRTH-UHFFFAOYSA-N 0.000 abstract 1
- 238000004064 recycling Methods 0.000 abstract 1
- 239000002699 waste material Substances 0.000 abstract 1
- 239000002351 wastewater Substances 0.000 abstract 1
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12403380A JPS5748950A (en) | 1980-09-09 | 1980-09-09 | Fractional separation of nitrilotriacetic acid sodium salt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12403380A JPS5748950A (en) | 1980-09-09 | 1980-09-09 | Fractional separation of nitrilotriacetic acid sodium salt |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5748950A true JPS5748950A (en) | 1982-03-20 |
| JPS6261023B2 JPS6261023B2 (enrdf_load_stackoverflow) | 1987-12-18 |
Family
ID=14875357
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12403380A Granted JPS5748950A (en) | 1980-09-09 | 1980-09-09 | Fractional separation of nitrilotriacetic acid sodium salt |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5748950A (enrdf_load_stackoverflow) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100478326C (zh) | 2006-08-25 | 2009-04-15 | 淄博万昌科技发展有限公司 | 利用丙烯腈装置副产氢氰酸制备氨基三乙酸钠的方法 |
| CN103864596A (zh) * | 2014-03-31 | 2014-06-18 | 安阳九州药业有限责任公司 | 一种从双氯芬酸钠生产废水中提取高纯度羟基乙酸钠的方法 |
-
1980
- 1980-09-09 JP JP12403380A patent/JPS5748950A/ja active Granted
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100478326C (zh) | 2006-08-25 | 2009-04-15 | 淄博万昌科技发展有限公司 | 利用丙烯腈装置副产氢氰酸制备氨基三乙酸钠的方法 |
| CN103864596A (zh) * | 2014-03-31 | 2014-06-18 | 安阳九州药业有限责任公司 | 一种从双氯芬酸钠生产废水中提取高纯度羟基乙酸钠的方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6261023B2 (enrdf_load_stackoverflow) | 1987-12-18 |
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