Claims
- 1. A process for separating HF from organics comprising the step of:
- passing a mixture of HF and organics through beads of a fluorinated polymer having at least one sulfonic acid group and, thereafter,
- isolating the organic from the beads to produce an organic with reduced HF content of about 1 ppm to about 900 ppm.
- 2. The process of claim 1 wherein the mixture of HF and organics is an azeotropic or azeotrope-like mixture.
- 3. The process of claim 1 wherein the mixture of HF and organics is at least partly in liquid form.
- 4. The process of claim 1 wherein the HF and organics mixture is at least partly in gaseous form.
- 5. The process of claim 1 wherein the organics are selected from a group of chlorofluorocarbons, hydrochlorofluorocarbons, hydrofluorocarbons, and perfluorocarbons.
- 6. The process of claim 1 wherein the organic is selected from chlorodifluoromethane and difluoromethane.
- 7. The process of claim 1 wherein the organic is a mixture of 2-chloro- 1,1,1,2-tetrafluoroethane and 1,1,1,2-tetrafluoroethane.
- 8. The process of claim 1 wherein the organic is a mixture of 2-chloro-1,1,1,2-tetrafluoroethane and pentafluoroethane.
- 9. The process of either claim 1, 2, 3, 4, 5, 6, 7, or 8 wherein said reduced HF content is about 1 to about 7 ppm.
CROSS REFERENCE TO RELATED APPLICATIONS
This application is a continuation of application Ser. No. 08/710,041 filed 11 Sep. 1997, now abandoned, which is a continuation of application Ser. No. 08/402,785 filed Mar. 13, 1995, now abandoned, which is a continuation-in-part of application Ser. No. 08/279,618 filed Jul. 25, 1994, now U.S. Pat. No. 5,485,674, which is a continuation of application Ser. No. 08/109,372 filed Aug. 24, 1993, now abandoned.
US Referenced Citations (14)
Foreign Referenced Citations (2)
Number |
Date |
Country |
55-109201 |
Aug 1980 |
JPX |
1757721 |
Aug 1992 |
SUX |
Continuations (3)
|
Number |
Date |
Country |
Parent |
710041 |
Sep 1987 |
|
Parent |
402785 |
Mar 1995 |
|
Parent |
109372 |
Aug 1993 |
|
Continuation in Parts (1)
|
Number |
Date |
Country |
Parent |
279618 |
Jul 1994 |
|