UY28063A1 - PROCEDURE FOR PURIFYING GLISOPHATE SOLUTIONS BY NANOFILTRATION - Google Patents
PROCEDURE FOR PURIFYING GLISOPHATE SOLUTIONS BY NANOFILTRATIONInfo
- Publication number
- UY28063A1 UY28063A1 UY28063A UY28063A UY28063A1 UY 28063 A1 UY28063 A1 UY 28063A1 UY 28063 A UY28063 A UY 28063A UY 28063 A UY28063 A UY 28063A UY 28063 A1 UY28063 A1 UY 28063A1
- Authority
- UY
- Uruguay
- Prior art keywords
- solution
- glyphosate
- nanofiltration
- purifying
- solutions
- Prior art date
Links
Landscapes
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
Se describe un procedimiento para purificar soluciones de Glifosato (N-fosfonometilglicina) provenientes de la síntesis del Glifosato mediante la oxidación del ácido N-fosfonometilimidodiacético, y que contienen formaldehído y ácido fórmico como impurezas principales, caracterizado porque comprende: proveer una solución inicial de Glifosato ajustar en pH de dicha solución inicial de Glifosato someter dicha solución a una operación de nanofiltración, realizando la misma mediante, al menos, una membrana de nanofiltración recuperar la solución concentrada de Glifosato y descartar la solución permeada que contiene entre el 50 y el 95% del formaldehído y del ácido fórmico presentes en dicha solución inicial.A process for purifying glyphosate (N-phosphonomethylglycine) solutions from the synthesis of glyphosate by the oxidation of N-phosphonomethylimidodiacetic acid, and containing formaldehyde and formic acid as main impurities, characterized in that it comprises: providing an initial solution of glyphosate is described. adjust the pH of said initial glyphosate solution to subject said solution to a nanofiltration operation, performing the same by at least one nanofiltration membrane recovering the concentrated glyphosate solution and discarding the permeate solution containing between 50 and 95% of formaldehyde and formic acid present in said initial solution.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
UY28063A UY28063A1 (en) | 2003-11-05 | 2003-11-05 | PROCEDURE FOR PURIFYING GLISOPHATE SOLUTIONS BY NANOFILTRATION |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
UY28063A UY28063A1 (en) | 2003-11-05 | 2003-11-05 | PROCEDURE FOR PURIFYING GLISOPHATE SOLUTIONS BY NANOFILTRATION |
Publications (1)
Publication Number | Publication Date |
---|---|
UY28063A1 true UY28063A1 (en) | 2003-12-31 |
Family
ID=38812838
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
UY28063A UY28063A1 (en) | 2003-11-05 | 2003-11-05 | PROCEDURE FOR PURIFYING GLISOPHATE SOLUTIONS BY NANOFILTRATION |
Country Status (1)
Country | Link |
---|---|
UY (1) | UY28063A1 (en) |
-
2003
- 2003-11-05 UY UY28063A patent/UY28063A1/en not_active Application Discontinuation
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
109 | Application deemed to be withdrawn |
Effective date: 20180319 |