发明名称 |
PROCESS TO REMOVE HF FROM 1,1,1,2,2,3,4,5,5,5-DECAFLUOROPENTANE |
摘要 |
<p>Disclosed is process for the recovery of HFC-43-10mee from a mixture comprising hydrogen fluoride and HFC-43-10mee, comprising feeding the composition comprising hydrogen fluoride and HFC-43-10mee to a distillation column, subjecting said mixture to a distillation step from which is formed a column distillate composition comprising an azeotrope or azeotrope-like composition of hydrogen fluoride and HFC-43-10mee, and a column-bottoms composition comprising HFC-43-10mee, condensing said column distillate composition to form two liquid phases, being i) an HFC-43-10mee-rich phase and ii) an HF-rich phase; and separating said two liquid phases..</p> |
申请公布号 |
WO2010025033(A1) |
申请公布日期 |
2010.03.04 |
申请号 |
WO2009US53355 |
申请日期 |
2009.08.11 |
申请人 |
E. I. DU PONT DE NEMOURS AND COMPANY;BARTELT, JOAN, ELLEN;KNAPP, JEFFREY, P. |
发明人 |
BARTELT, JOAN, ELLEN;KNAPP, JEFFREY, P. |
分类号 |
C07C17/38;C07C17/386;C07C19/08 |
主分类号 |
C07C17/38 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|