Verfahren zur Abtrennung von HF durch azeotrope Destillation

Process for the separation of hydrogen fluoride (HF), 2,2-dichloro-1,1,1-trifluoroethane (FC-123), and/or 2-chloro-1,1,1,2-tetrafluoroethane (FC-124) from mixtures comprising them by controlling the molar ratio of HF/FC-123 in the mixture prior to subjecting the mixture to azeotropic distillation.

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Bibliographische Detailangaben
Hauptverfasser:	ROCKWELL, RICHARD T., CORPUS CHRISTI TEXAS 78413, US, MANZER, LEO ERNEST, WILMINGTON DELAWARE 19803, US, SISK, MICHAEL ANDREW, HOCKESSIN DELAWARE 19707, US, RAO, VELLIYUR NOTT MALLIKARJUNA, WILMINGTON DELAWARE 19809, US, WARWAS, EDWIN JAMES, WILMINGTON DELAWARE 19803, US, WINTERINGHAM, ROY, HOCKESSIN DELAWARE 19707, US
Format:	Patent
Sprache:	ger
Schlagworte:	ACYCLIC OR CARBOCYCLIC COMPOUNDS CHEMISTRY COMPOUNDS THEREOF INORGANIC CHEMISTRY METALLURGY NON-METALLIC ELEMENTS ORGANIC CHEMISTRY PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL SEPARATION TRANSPORTING
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Beschreibung
Zusammenfassung:	Process for the separation of hydrogen fluoride (HF), 2,2-dichloro-1,1,1-trifluoroethane (FC-123), and/or 2-chloro-1,1,1,2-tetrafluoroethane (FC-124) from mixtures comprising them by controlling the molar ratio of HF/FC-123 in the mixture prior to subjecting the mixture to azeotropic distillation.