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Patent Searching and Data


Title:
METHOD AND APPARATUS FOR PRODUCING 1,1,2,2,3,3,4- HEPTAFLUOROCYCLOPENTANE
Document Type and Number:
Japanese Patent JP2001247494
Kind Code:
A
Abstract:

To provide a method and a corresponding apparatus for producing the subject compound at a reduced cost through recovering a surplus hydrogen gas having not been used in the reaction and using the gas for the hydrogenation reaction again.

This method for producing the subject compound comprises hydrogenating 1-chloroheptafluorocyclopentene with an excessive hydrogen gas and is characterized by comprising the following three steps: 1st step: a reaction mixture is obtained by the hydrogenation reaction, 2nd step: a surplus hydrogen gas is recovered from the reaction mixture, and 3rd step: the hydrogen gas thus recovered is fed to the hydrogenation reaction again. The apparatus for producing the subject compound is also provided.


Inventors:
SUZUKI TAKEFUMI
KIN YOSHIO
YUASA HIROKO
YAMADA TOSHIRO
Application Number:
JP2000062364A
Publication Date:
September 11, 2001
Filing Date:
March 07, 2000
Export Citation:
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Assignee:
NIPPON ZEON CO
International Classes:
B01J23/44; C07B61/00; C07C17/354; C07C23/08; (IPC1-7): C07C17/354; B01J23/44; C07C23/08
Attorney, Agent or Firm:
Haruhito Oishi