AR039201A1 - Procedimiento para purificar soluciones de glifosato mediante nanofiltracion - Google Patents

Procedimiento para purificar soluciones de glifosato mediante nanofiltracion

Info

Publication number
AR039201A1
AR039201A1 ARP030101119A ARP030101119A AR039201A1 AR 039201 A1 AR039201 A1 AR 039201A1 AR P030101119 A ARP030101119 A AR P030101119A AR P030101119 A ARP030101119 A AR P030101119A AR 039201 A1 AR039201 A1 AR 039201A1
Authority
AR
Argentina
Prior art keywords
glyphosate
solution
concentration
nanofiltration
formaldehyde
Prior art date
Application number
ARP030101119A
Other languages
English (en)
Original Assignee
Atanor S A
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Atanor S A filed Critical Atanor S A
Priority to ARP030101119A priority Critical patent/AR039201A1/es
Priority to BRPI0305587-6A priority patent/BR0305587B1/pt
Priority to US10/743,465 priority patent/US20050035060A1/en
Publication of AR039201A1 publication Critical patent/AR039201A1/es

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D61/00Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/02Reverse osmosis; Hyperfiltration ; Nanofiltration
    • B01D61/027Nanofiltration
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07FACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
    • C07F9/00Compounds containing elements of Groups 5 or 15 of the Periodic Table
    • C07F9/02Phosphorus compounds
    • C07F9/28Phosphorus compounds with one or more P—C bonds
    • C07F9/38Phosphonic acids [RP(=O)(OH)2]; Thiophosphonic acids ; [RP(=X1)(X2H)2(X1, X2 are each independently O, S or Se)]
    • C07F9/3804Phosphonic acids [RP(=O)(OH)2]; Thiophosphonic acids ; [RP(=X1)(X2H)2(X1, X2 are each independently O, S or Se)] not used, see subgroups
    • C07F9/3808Acyclic saturated acids which can have further substituents on alkyl
    • C07F9/3813N-Phosphonomethylglycine; Salts or complexes thereof

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Nanotechnology (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Molecular Biology (AREA)
  • 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 contiene formaldehído y ácido fórmico como impurezas principales, caracterizado porque comprende: proveer una solución inicial de Glifosato con una concentración de Glifosato comprendida entre 0,1 y 3% p/v, una concentración de formaldehído comprendida entre 0,5 y 1% p/v y una concentración de ácido fórmico comprendida entre 0,1 y 0,6% p/v; ajustar el pH de dicha solución inicial de Glifosato a un valor comprendido entre 2,5 y 3,5 mediante una base seleccionada entre una alquilamina, hidróxido de amonio, hidróxido de sodio o de potasio; someter dicha solución a una operación de nanofiltración, a una temperatura comprendida entre 10 y 35 °C y a una presión comprendida entre 25 y 35 Kg/cm2; llevándose a cabo dicha operación de nanofiltración a través de al menos una membrana de nanofiltración; recuperar la solución concentrada de Glifosato que contiene más del 97% del Glifosato de la solución inicial y cuya concentración de Glifosato es de aproximadamente 8%; y descartar la solución permeada que contiene entre el 50 y el 95% del formaldehído y del ácido fórmico presentes en dicha solución inicial
ARP030101119A 2003-03-28 2003-03-28 Procedimiento para purificar soluciones de glifosato mediante nanofiltracion AR039201A1 (es)

Priority Applications (3)

Application Number Priority Date Filing Date Title
ARP030101119A AR039201A1 (es) 2003-03-28 2003-03-28 Procedimiento para purificar soluciones de glifosato mediante nanofiltracion
BRPI0305587-6A BR0305587B1 (pt) 2003-03-28 2003-11-11 procedimento para purificar soluÇÕes de glisofato mediante nanofiltraÇço.
US10/743,465 US20050035060A1 (en) 2003-03-28 2003-12-23 Process for purifying glyphosate solutions by nanofiltration

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ARP030101119A AR039201A1 (es) 2003-03-28 2003-03-28 Procedimiento para purificar soluciones de glifosato mediante nanofiltracion

Publications (1)

Publication Number Publication Date
AR039201A1 true AR039201A1 (es) 2005-02-09

Family

ID=34120284

Family Applications (1)

Application Number Title Priority Date Filing Date
ARP030101119A AR039201A1 (es) 2003-03-28 2003-03-28 Procedimiento para purificar soluciones de glifosato mediante nanofiltracion

Country Status (3)

Country Link
US (1) US20050035060A1 (es)
AR (1) AR039201A1 (es)
BR (1) BR0305587B1 (es)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW200538459A (en) * 2004-05-21 2005-12-01 Dow Agrosciences Llc Purification of n-(phosphonomethyl)glycine
US7771494B2 (en) * 2007-01-31 2010-08-10 Monsanto Technology Llc Process for selective removal of water and impurities from N-(phosphonomethyl)glycine
CN101348299B (zh) * 2008-09-05 2011-12-21 江苏扬农化工股份有限公司 一种草甘膦合成母液的处理方法
CN102459091B (zh) * 2009-05-18 2014-06-18 孟山都技术公司 含水废物流中磷有用成分和盐杂质的回收
CN101967161B (zh) * 2010-04-22 2012-12-26 浙江新安化工集团股份有限公司 草甘膦母液的综合处理方法
CN104591424B (zh) * 2014-03-14 2017-05-10 山东潍坊润丰化工股份有限公司 Ida法草甘膦废水的资源化处理方法
CN104522047B (zh) * 2014-12-15 2016-06-01 四川贝尔化工集团有限公司 一种基于草甘膦母液净化处理的水剂配制方法
CN110229186A (zh) * 2019-07-17 2019-09-13 江苏汉凯工程技术有限公司 草甘膦母液中回收增甘膦和草甘膦的方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5087740A (en) * 1989-08-17 1992-02-11 Monsanto Company Process for purifying N-phosphonomethylglycine
US5234583A (en) * 1991-07-26 1993-08-10 Cluff C Brent Semi-permeable membrane filtering systems for swimming pools
US6232494B1 (en) * 1998-02-12 2001-05-15 Monsanto Company Process for the preparation of N-(phosphonomethyl)glycine by oxidizing N-substituted N-(phosphonomethyl)glycine
DK1242433T3 (da) * 1999-12-21 2004-10-04 Monsanto Technology Llc Anvendelse af en supplerende promotor i forbindelse med en carbonstöttet, ædelmetalholdig katalysator i væskefaseoxidationsreaktioner
DE10130136A1 (de) * 2001-06-22 2003-01-02 Basf Ag Verfahren zur Gewinnung von N-Phosphonomethylglycin

Also Published As

Publication number Publication date
BR0305587A (pt) 2005-05-17
US20050035060A1 (en) 2005-02-17
BR0305587B1 (pt) 2011-12-27

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