Process for purifying fluoroethanes and chlorofluoroethanes

Details Process for purifying fluoroethanes and chlorofluoroethanes Process for purifying fluoroethanes and chlorofluoroethanes

1992-12-22

1994-11-22

Siegel, Alan

Organic compounds -- part of the class 532-570 series

Organic compounds

Halogen containing

570166, 570167, 570168, 570169, 570175, C07C 1738, C07C 1708

Patent

active

053671031

ABSTRACT:
1,1,1.Trifluoro-2-fluoroethane (HFC 134A), respectively 1,1,1-trifluoro-2, 2-dichloroethane (HCFC 123) 1,1,1-trifluoro-2-chloro, 2-fluoroethane (HCFC 124) and pentafluoroethane (HFC 125), are purified from impurities respectively consisting of 1,1-difluoro-2-chloroethylene (HCFC 1122) and of difluorodichloroethylene (CFC 1112A and CFC 1112), by reacting in the liquid state respectively HFC 134A or HCFC 123, HCFC 124 and HFC 125 containing the relative impurities, with elemental fluorine, at temperatures ranging from -80.degree. to -40.degree. C.

REFERENCES:
patent: 5001287 (1991-03-01), Fernandez et al.

Affiliated with

Also associated with

Rating

Process for purifying fluoroethanes and chlorofluoroethanes does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Process for purifying fluoroethanes and chlorofluoroethanes, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Process for purifying fluoroethanes and chlorofluoroethanes will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1992305