In order to purify a crude pentafluoroethane (F125) containing chloropentafluoroethane (F115), it is subjected to a heat treatment in the presence of hydrogen, the treatment being carried out at a temperature at least equal to 550 DEG C. and with an H2/F115 molar ratio of at least 10.
申请公布号
US5990364(A)
申请公布日期
1999.11.23
申请号
US19970903360
申请日期
1997.07.30
申请人
SCHIRMANN, JEAN-PIERRE;HUB, SERGE;LACROIX, ERIC;LANTZ, ANDRE
发明人
SCHIRMANN, JEAN-PIERRE;HUB, SERGE;LACROIX, ERIC;LANTZ, ANDRE