DE2407834A1 - Verfahren zur abtrennung und reinigung von fluor- und chlorhaltigen perhalogencarbonsaeuren - Google Patents

Verfahren zur abtrennung und reinigung von fluor- und chlorhaltigen perhalogencarbonsaeuren

Info

Publication number
DE2407834A1
DE2407834A1 DE19742407834 DE2407834A DE2407834A1 DE 2407834 A1 DE2407834 A1 DE 2407834A1 DE 19742407834 DE19742407834 DE 19742407834 DE 2407834 A DE2407834 A DE 2407834A DE 2407834 A1 DE2407834 A1 DE 2407834A1
Authority
DE
Germany
Prior art keywords
acids
perhalocarboxylic
silica gel
separation
mixtures
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
DE19742407834
Other languages
German (de)
English (en)
Inventor
Joachim Dr Massonne
Werner Dr Rudolph
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.)
Kali Chemie AG
Original Assignee
Kali Chemie AG
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 Kali Chemie AG filed Critical Kali Chemie AG
Priority to DE19742407834 priority Critical patent/DE2407834A1/de
Priority to US05/548,818 priority patent/US4005137A/en
Priority to GB666775A priority patent/GB1454156A/en
Priority to CH200575A priority patent/CH605548A5/xx
Priority to FR7505040A priority patent/FR2261251B1/fr
Priority to JP50020792A priority patent/JPS50116417A/ja
Publication of DE2407834A1 publication Critical patent/DE2407834A1/de
Pending legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/42—Separation; Purification; Stabilisation; Use of additives
    • C07C51/47—Separation; Purification; Stabilisation; Use of additives by solid-liquid treatment; by chemisorption

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Treatment Of Liquids With Adsorbents In General (AREA)
DE19742407834 1974-02-19 1974-02-19 Verfahren zur abtrennung und reinigung von fluor- und chlorhaltigen perhalogencarbonsaeuren Pending DE2407834A1 (de)

Priority Applications (6)

Application Number Priority Date Filing Date Title
DE19742407834 DE2407834A1 (de) 1974-02-19 1974-02-19 Verfahren zur abtrennung und reinigung von fluor- und chlorhaltigen perhalogencarbonsaeuren
US05/548,818 US4005137A (en) 1974-02-19 1975-02-10 Process for the purification and separation of perhaloalkanoic acids from mixtures thereof with perhaloalkanes
GB666775A GB1454156A (en) 1974-02-19 1975-02-17 Process for the separation and purification of fluorine-con taining perhalocarboxylic acids
CH200575A CH605548A5 (US07321065-20080122-C00020.png) 1974-02-19 1975-02-18
FR7505040A FR2261251B1 (US07321065-20080122-C00020.png) 1974-02-19 1975-02-18
JP50020792A JPS50116417A (US07321065-20080122-C00020.png) 1974-02-19 1975-02-19

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19742407834 DE2407834A1 (de) 1974-02-19 1974-02-19 Verfahren zur abtrennung und reinigung von fluor- und chlorhaltigen perhalogencarbonsaeuren

Publications (1)

Publication Number Publication Date
DE2407834A1 true DE2407834A1 (de) 1975-09-04

Family

ID=5907790

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19742407834 Pending DE2407834A1 (de) 1974-02-19 1974-02-19 Verfahren zur abtrennung und reinigung von fluor- und chlorhaltigen perhalogencarbonsaeuren

Country Status (6)

Country Link
US (1) US4005137A (US07321065-20080122-C00020.png)
JP (1) JPS50116417A (US07321065-20080122-C00020.png)
CH (1) CH605548A5 (US07321065-20080122-C00020.png)
DE (1) DE2407834A1 (US07321065-20080122-C00020.png)
FR (1) FR2261251B1 (US07321065-20080122-C00020.png)
GB (1) GB1454156A (US07321065-20080122-C00020.png)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2903981A1 (de) * 1979-02-02 1980-08-07 Hoechst Ag Rueckgewinnung fluorierter emulgatorsaeuren aus basischen anionenaustauschern
US4597882A (en) * 1983-06-13 1986-07-01 Tokyo Denshi Kagaku Co., Ltd. Process for regenerating waste oils of synthetic lubricants containing fluorine atom
US4623487A (en) * 1985-03-14 1986-11-18 E. I. Du Pont De Nemours & Company Process for recovery of fluorosurfactants
ATE159978T1 (de) * 1992-08-07 1997-11-15 Fujikura Kasei Kk Elektrosensitive zusammensetzung
US5611210A (en) * 1993-03-05 1997-03-18 Ikon Corporation Fluoroiodocarbon blends as CFC and halon replacements
US6270689B1 (en) 1998-03-26 2001-08-07 Ikon Corporation Blend compositions of trifluoroiodomethane, tetrafluoroethane and difluoroethane
DE19932771A1 (de) * 1999-07-14 2001-01-18 Dyneon Gmbh Verfahren zur Eluierung fluorierter Emulgatoren
EP1561729A1 (en) * 2004-02-05 2005-08-10 3M Innovative Properties Company Removal of fluorinated surfactants from waste water
EP1561742B1 (en) * 2004-02-05 2012-11-21 3M Innovative Properties Company Method of recovering fluorinated acid surfactants from adsorbent particles loaded therewith
EP1700869A1 (en) * 2005-03-11 2006-09-13 3M Innovative Properties Company Recovery of fluorinated surfactants from a basic anion exchange resin having quaternary ammonium groups
US7671112B2 (en) * 2005-07-15 2010-03-02 3M Innovative Properties Company Method of making fluoropolymer dispersion
US20080015304A1 (en) 2006-07-13 2008-01-17 Klaus Hintzer Aqueous emulsion polymerization process for producing fluoropolymers
GB2430437A (en) * 2005-09-27 2007-03-28 3M Innovative Properties Co Method of making a fluoropolymer
WO2008101137A1 (en) * 2007-02-16 2008-08-21 3M Innovative Properties Company System and process for the removal of fluorochemicals from water
US20080264864A1 (en) * 2007-04-27 2008-10-30 3M Innovative Properties Company PROCESS FOR REMOVING FLUORINATED EMULSIFIER FROM FLUOROPOLMER DISPERSIONS USING AN ANION-EXCHANGE RESIN AND A pH-DEPENDENT SURFACTANT AND FLUOROPOLYMER DISPERSIONS CONTAINING A pH-DEPENDENT SURFACTANT

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3040081A (en) * 1959-03-27 1962-06-19 Gulf Research Development Co Separation of oxygenated hydrocarbon

Also Published As

Publication number Publication date
GB1454156A (en) 1976-10-27
FR2261251B1 (US07321065-20080122-C00020.png) 1978-06-30
CH605548A5 (US07321065-20080122-C00020.png) 1978-09-29
US4005137A (en) 1977-01-25
JPS50116417A (US07321065-20080122-C00020.png) 1975-09-11
FR2261251A1 (US07321065-20080122-C00020.png) 1975-09-12

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