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ES2173825T1 - Metodo para recuperar emulsificantes fluorados de fases acuosas. - Google Patents

Metodo para recuperar emulsificantes fluorados de fases acuosas.

Info

Publication number
ES2173825T1
ES2173825T1 ES00954467T ES00954467T ES2173825T1 ES 2173825 T1 ES2173825 T1 ES 2173825T1 ES 00954467 T ES00954467 T ES 00954467T ES 00954467 T ES00954467 T ES 00954467T ES 2173825 T1 ES2173825 T1 ES 2173825T1
Authority
ES
Spain
Prior art keywords
emulsifier
aqueous phase
emulsifiers
fluorated
recovering
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.)
Pending
Application number
ES00954467T
Other languages
English (en)
Inventor
Georg Burkard
Klaus Hintzer
Gernot Lohr
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dyneon GmbH
Original Assignee
Dyneon GmbH
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 Dyneon GmbH filed Critical Dyneon GmbH
Publication of ES2173825T1 publication Critical patent/ES2173825T1/es
Pending legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/52Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C02F1/54Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
    • C02F1/547Tensides
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J41/00Anion exchange; Use of material as anion exchangers; Treatment of material for improving the anion exchange properties
    • B01J41/04Processes using organic exchangers
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/42Treatment of water, waste water, or sewage by ion-exchange
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/42Separation; Purification; Stabilisation; Use of additives
    • C07C51/47Separation; Purification; Stabilisation; Use of additives by solid-liquid treatment; by chemisorption

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Removal Of Specific Substances (AREA)
  • Treatment Of Water By Ion Exchange (AREA)
  • Treatment Of Liquids With Adsorbents In General (AREA)
  • Emulsifying, Dispersing, Foam-Producing Or Wetting Agents (AREA)

Abstract

Proceso para la recuperación de emulsicantes fluorados a partir de una fase acuosa, que además del emulsicante contiene pequeñas cantidades de partículas de polímero uorado, caracterizado porque se determina un valor superior de concentración de un material con actividad superfcial no iónico, por debajo del cual no se produce ninguna disminución ulterior en la desorción del emulsifdicante fiado a un cambiador de aniones, la fase acuosa se ajusta a una concentración de agente con actividad superficial no iónico entre el valor superior de concentración así determinado o una concentración inferior, ecaz todavía para la evitación de una coagulación de las partículas de polímero, la fase acuosa así ajustada se pone en contacto con una resina cambiadora aniónica, a n de activar la adsorción del emulsicante en la resina cambiadora y el emulsificante se libera de la resina cambiadora.
ES00954467T 1999-07-17 2000-07-11 Metodo para recuperar emulsificantes fluorados de fases acuosas. Pending ES2173825T1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19933696A DE19933696A1 (de) 1999-07-17 1999-07-17 Verfahren zur Rückgewinnung fluorierter Emulgatoren aus wässrigen Phasen

Publications (1)

Publication Number Publication Date
ES2173825T1 true ES2173825T1 (es) 2002-11-01

Family

ID=7915221

Family Applications (1)

Application Number Title Priority Date Filing Date
ES00954467T Pending ES2173825T1 (es) 1999-07-17 2000-07-11 Metodo para recuperar emulsificantes fluorados de fases acuosas.

Country Status (21)

Country Link
US (1) US6706193B1 (es)
EP (1) EP1208065A1 (es)
JP (1) JP3820369B2 (es)
KR (1) KR100447479B1 (es)
CN (1) CN1145587C (es)
AR (1) AR024730A1 (es)
AU (1) AU767303B2 (es)
BR (1) BR0012520A (es)
CA (1) CA2379931A1 (es)
CZ (1) CZ2002128A3 (es)
DE (1) DE19933696A1 (es)
ES (1) ES2173825T1 (es)
HU (1) HUP0201949A3 (es)
MX (1) MXPA02000597A (es)
PL (1) PL364027A1 (es)
RU (1) RU2248328C2 (es)
SA (1) SA00210609B1 (es)
TR (1) TR200200135T2 (es)
TW (1) TW574151B (es)
WO (1) WO2001005710A1 (es)
ZA (1) ZA200200397B (es)

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US20070015937A1 (en) * 2005-07-15 2007-01-18 3M Innovative Properties Company Process for recovery of fluorinated carboxylic acid surfactants from exhaust gas
GB0514387D0 (en) * 2005-07-15 2005-08-17 3M Innovative Properties Co Aqueous emulsion polymerization of fluorinated monomers using a perfluoropolyether surfactant
GB0523853D0 (en) 2005-11-24 2006-01-04 3M Innovative Properties Co Fluorinated surfactants for use in making a fluoropolymer
US7294677B2 (en) 2005-08-25 2007-11-13 3M Innovative Properties Company Catalyst for making fluoroelastomer compositions and methods of using the same
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Also Published As

Publication number Publication date
US6706193B1 (en) 2004-03-16
HUP0201949A2 (hu) 2002-11-28
TW574151B (en) 2004-02-01
CZ2002128A3 (cs) 2002-10-16
DE19933696A1 (de) 2001-01-18
KR100447479B1 (ko) 2004-09-07
JP3820369B2 (ja) 2006-09-13
KR20020039322A (ko) 2002-05-25
MXPA02000597A (es) 2003-07-21
AR024730A1 (es) 2002-10-23
ZA200200397B (en) 2003-06-25
CA2379931A1 (en) 2001-01-25
BR0012520A (pt) 2002-04-02
AU767303B2 (en) 2003-11-06
PL364027A1 (en) 2004-11-29
WO2001005710A1 (de) 2001-01-25
CN1361751A (zh) 2002-07-31
EP1208065A1 (de) 2002-05-29
CN1145587C (zh) 2004-04-14
RU2248328C2 (ru) 2005-03-20
AU6691500A (en) 2001-02-05
SA00210609B1 (ar) 2006-08-22
HUP0201949A3 (en) 2003-01-28
JP2003505223A (ja) 2003-02-12
TR200200135T2 (tr) 2002-06-21

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