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Title:
MEHOD FOR COLD DEFLUORINATION OF FLUORORESIN
Document Type and Number:
Japanese Patent JP2001253969
Kind Code:
A
Abstract:

To provide a method of reusing waste fluororesin molded products by cold defluorination.

A pulverized fluororesin component is mechanochemically treated in the presence of sodium hydroxide (solid) at normal temperature for a predetermined hours and subsequently filtered. The obtained solid residue is reused as a fuel and the water-soluble fluoride itself is reused as an inorganic fluoride.


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Inventors:
NAGATA CHOJU
SAITO FUMIYOSHI
CHO KIBU
Application Number:
JP2000064522A
Publication Date:
September 18, 2001
Filing Date:
March 09, 2000
Export Citation:
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Assignee:
DOWA MINING CO
International Classes:
B01D11/02; C08J11/16; (IPC1-7): C08J11/16; B01D11/02
Domestic Patent References:
JP2000070401A2000-03-07
JPH08504665A1996-05-21
JP2001172427A2001-06-26
JPH11124463A1999-05-11
JPH1088146A1998-04-07
JPS63126502A1988-05-30
JPH01294733A1989-11-28
JP2000248110A2000-09-12
JP2001270962A2001-10-02
Attorney, Agent or Firm:
Maruoka Masahiko



 
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