METHOD FOR RECOVERING HYDROGEN FLUORIDE

Title:

METHOD FOR RECOVERING HYDROGEN FLUORIDE

Document Type and Number:

WIPO Patent Application WO/2001/064579

Kind Code:

A1

Abstract:

A method for recovering hydrogen fluoride, characterized in that it comprises contacting a waste water containing hydrogen fluoride, and then heating the resultant resin, to thereby separate hydrogen fluoride.

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Inventors:

KONDO MASAHIRO (JP)
OSAKA YONOSUKE (JP)

Application Number:

PCT/JP2001/001612

Publication Date:

September 07, 2001

Filing Date:

March 02, 2001

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Assignee:

DAIKIN IND LTD (JP)
KONDO MASAHIRO (JP)
OSAKA YONOSUKE (JP)

International Classes:

B01J41/04; C01B7/19; C02F1/42; (IPC1-7): C01B7/19; B01J41/04; C02F1/42

Foreign References:

EP0593771A1	1994-04-27
EP0167957A2	1986-01-15

Attorney, Agent or Firm:

Saegusa, Eiji (1-7-1 Doshomachi, Chuo-k, Osaka-shi Osaka, JP)

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