METHOD OF ELUTION OF FLUORINATED EMULSIFIER

PROBLEM TO BE SOLVED: To obtain a method for eluting a fluorinated emulsifier bonded to an anion exchange resin. SOLUTION: A resin is brought into contact with a mixture consisting of (a) water, (b) a compd. represented by M-X (wherein M is alkali metal ions or 1-4C alkyl ammonium ions and X is a hy...

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Hauptverfasser:	SCHWERTFEGER WERNER, LOEHR GERNOT, FUEHRER STEPHAN
Format:	Patent
Sprache:	eng
Schlagworte:	ACYCLIC OR CARBOCYCLIC COMPOUNDS CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY METALLURGY ORGANIC CHEMISTRY PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL SEPARATION THEIR RELEVANT APPARATUS TRANSPORTING TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To obtain a method for eluting a fluorinated emulsifier bonded to an anion exchange resin. SOLUTION: A resin is brought into contact with a mixture consisting of (a) water, (b) a compd. represented by M-X (wherein M is alkali metal ions or 1-4C alkyl ammonium ions and X is a hydroxyl group, fluoride or chloride) and (c) at least one kind of an org. solvent perfectly dissolving the components (a), (b) and providing an anion X- in an amt. sufficient to elute an emulsifier from an anion exchange resin.