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Title:
RECYCLING METHOD OF IRON POWDER FOR ARSENIC REMOVAL
Document Type and Number:
Japanese Patent JP2008006331
Kind Code:
A
Abstract:

To provide a recycling method of iron powder for arsenic removal, which is generally disposable.

The recycling method of the iron powder for the arsenic removal comprises the step of contacting the iron powder containing arsenic with an alkaline aqueous solution, and next, of contacting the iron powder contacted with the alkaline aqueous solution with an acid aqueous solution.


Inventors:
MATSUBARA MASAAKI
MURAKAMI YUTAKA
YAKOU YASUKO
Application Number:
JP2006176680A
Publication Date:
January 17, 2008
Filing Date:
June 27, 2006
Export Citation:
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Assignee:
KOBE STEEL LTD
International Classes:
B01J20/34; B01J20/02; B22F1/00; B22F9/16; B22F9/20; C02F1/62; C22B7/00
Domestic Patent References:
JP2003506214A2003-02-18
JP2004066161A2004-03-04
JPH09225298A1997-09-02
JPS5541863A1980-03-24
JP2003506214A2003-02-18
JP2004066161A2004-03-04
JPH09225298A1997-09-02
JPS5541863A1980-03-24
Attorney, Agent or Firm:
Kyuichi Ueki
Tadashi Sugakawa
Osamu Futakuchi
Hiroaki Ito



 
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