Title:
水中の硝酸性窒素除去用脱窒材の再生方法及び製造方法
Document Type and Number:
Japanese Patent JP4316256
Kind Code:
B2
Inventors:
Katsuhiro Yamada
Ryoji Takagi
Yasuhiro Hirado
Ryoji Takagi
Yasuhiro Hirado
Application Number:
JP2003047785A
Publication Date:
August 19, 2009
Filing Date:
February 25, 2003
Export Citation:
Assignee:
Nippon Steel Chemical Co., Ltd.
International Classes:
C02F3/00; C02F3/28; C02F3/34
Domestic Patent References:
| JP2000093997A | ||||
| JP2002066592A | ||||
| JP2001081655A | ||||
| JP2001117276A | ||||
| JP2002322258A | ||||
| JP64007996A | ||||
| JP5115892A | ||||
| JP2004344765A |
Attorney, Agent or Firm:
Katsuo Naruse
Tomohiro Nakamura
Eiichi Sano
Tomohiro Nakamura
Eiichi Sano